mirror of
				https://github.com/sqlmapproject/sqlmap.git
				synced 2025-10-25 05:01:32 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			4430 lines
		
	
	
		
			167 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			4430 lines
		
	
	
		
			167 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| #!/usr/bin/env python
 | |
| # -*- coding: utf-8 -*-
 | |
| """
 | |
| Bottle is a fast and simple micro-framework for small web applications. It
 | |
| offers request dispatching (Routes) with URL parameter support, templates,
 | |
| a built-in HTTP Server and adapters for many third party WSGI/HTTP-server and
 | |
| template engines - all in a single file and with no dependencies other than the
 | |
| Python Standard Library.
 | |
| 
 | |
| Homepage and documentation: http://bottlepy.org/
 | |
| 
 | |
| Copyright (c) 2009-2018, Marcel Hellkamp.
 | |
| License: MIT (see LICENSE for details)
 | |
| """
 | |
| 
 | |
| from __future__ import print_function
 | |
| import sys
 | |
| 
 | |
| __author__ = 'Marcel Hellkamp'
 | |
| __version__ = '0.13-dev'
 | |
| __license__ = 'MIT'
 | |
| 
 | |
| ###############################################################################
 | |
| # Command-line interface ######################################################
 | |
| ###############################################################################
 | |
| # INFO: Some server adapters need to monkey-patch std-lib modules before they
 | |
| # are imported. This is why some of the command-line handling is done here, but
 | |
| # the actual call to _main() is at the end of the file.
 | |
| 
 | |
| 
 | |
| def _cli_parse(args):  # pragma: no coverage
 | |
|     from argparse import ArgumentParser
 | |
| 
 | |
|     parser = ArgumentParser(prog=args[0], usage="%(prog)s [options] package.module:app")
 | |
|     opt = parser.add_argument
 | |
|     opt("--version", action="store_true", help="show version number.")
 | |
|     opt("-b", "--bind", metavar="ADDRESS", help="bind socket to ADDRESS.")
 | |
|     opt("-s", "--server", default='wsgiref', help="use SERVER as backend.")
 | |
|     opt("-p", "--plugin", action="append", help="install additional plugin/s.")
 | |
|     opt("-c", "--conf", action="append", metavar="FILE",
 | |
|         help="load config values from FILE.")
 | |
|     opt("-C", "--param", action="append", metavar="NAME=VALUE",
 | |
|         help="override config values.")
 | |
|     opt("--debug", action="store_true", help="start server in debug mode.")
 | |
|     opt("--reload", action="store_true", help="auto-reload on file changes.")
 | |
|     opt('app', help='WSGI app entry point.', nargs='?')
 | |
| 
 | |
|     cli_args = parser.parse_args(args[1:])
 | |
| 
 | |
|     return cli_args, parser
 | |
| 
 | |
| 
 | |
| def _cli_patch(cli_args):  # pragma: no coverage
 | |
|     parsed_args, _ = _cli_parse(cli_args)
 | |
|     opts = parsed_args
 | |
|     if opts.server:
 | |
|         if opts.server.startswith('gevent'):
 | |
|             import gevent.monkey
 | |
|             gevent.monkey.patch_all()
 | |
|         elif opts.server.startswith('eventlet'):
 | |
|             import eventlet
 | |
|             eventlet.monkey_patch()
 | |
| 
 | |
| 
 | |
| if __name__ == '__main__':
 | |
|     _cli_patch(sys.argv)
 | |
| 
 | |
| ###############################################################################
 | |
| # Imports and Python 2/3 unification ##########################################
 | |
| ###############################################################################
 | |
| 
 | |
| import base64, calendar, cgi, email.utils, functools, hmac, imp, itertools,\
 | |
|        mimetypes, os, re, tempfile, threading, time, warnings, weakref, hashlib
 | |
| 
 | |
| from types import FunctionType
 | |
| from datetime import date as datedate, datetime, timedelta
 | |
| from tempfile import TemporaryFile
 | |
| from traceback import format_exc, print_exc
 | |
| from unicodedata import normalize
 | |
| 
 | |
| try:
 | |
|     from ujson import dumps as json_dumps, loads as json_lds
 | |
| except ImportError:
 | |
|     from json import dumps as json_dumps, loads as json_lds
 | |
| 
 | |
| # inspect.getargspec was removed in Python 3.6, use
 | |
| # Signature-based version where we can (Python 3.3+)
 | |
| try:
 | |
|     from inspect import signature
 | |
|     def getargspec(func):
 | |
|         params = signature(func).parameters
 | |
|         args, varargs, keywords, defaults = [], None, None, []
 | |
|         for name, param in params.items():
 | |
|             if param.kind == param.VAR_POSITIONAL:
 | |
|                 varargs = name
 | |
|             elif param.kind == param.VAR_KEYWORD:
 | |
|                 keywords = name
 | |
|             else:
 | |
|                 args.append(name)
 | |
|                 if param.default is not param.empty:
 | |
|                     defaults.append(param.default)
 | |
|         return (args, varargs, keywords, tuple(defaults) or None)
 | |
| except ImportError:
 | |
|     try:
 | |
|         from inspect import getfullargspec
 | |
|         def getargspec(func):
 | |
|             spec = getfullargspec(func)
 | |
|             kwargs = makelist(spec[0]) + makelist(spec.kwonlyargs)
 | |
|             return kwargs, spec[1], spec[2], spec[3]
 | |
|     except ImportError:
 | |
|         from inspect import getargspec
 | |
| 
 | |
| 
 | |
| py = sys.version_info
 | |
| py3k = py.major > 2
 | |
| 
 | |
| # Lots of stdlib and builtin differences.
 | |
| if py3k:
 | |
|     import http.client as httplib
 | |
|     import _thread as thread
 | |
|     from urllib.parse import urljoin, SplitResult as UrlSplitResult
 | |
|     from urllib.parse import urlencode, quote as urlquote, unquote as urlunquote
 | |
|     urlunquote = functools.partial(urlunquote, encoding='latin1')
 | |
|     from http.cookies import SimpleCookie, Morsel, CookieError
 | |
|     from collections.abc import MutableMapping as DictMixin
 | |
|     import pickle
 | |
|     from io import BytesIO
 | |
|     import configparser
 | |
| 
 | |
|     basestring = str
 | |
|     unicode = str
 | |
|     json_loads = lambda s: json_lds(touni(s))
 | |
|     callable = lambda x: hasattr(x, '__call__')
 | |
|     imap = map
 | |
| 
 | |
|     def _raise(*a):
 | |
|         raise a[0](a[1]).with_traceback(a[2])
 | |
| else:  # 2.x
 | |
|     import httplib
 | |
|     import thread
 | |
|     from urlparse import urljoin, SplitResult as UrlSplitResult
 | |
|     from urllib import urlencode, quote as urlquote, unquote as urlunquote
 | |
|     from Cookie import SimpleCookie, Morsel, CookieError
 | |
|     from itertools import imap
 | |
|     import cPickle as pickle
 | |
|     from StringIO import StringIO as BytesIO
 | |
|     import ConfigParser as configparser
 | |
|     from collections import MutableMapping as DictMixin
 | |
|     unicode = unicode
 | |
|     json_loads = json_lds
 | |
|     exec(compile('def _raise(*a): raise a[0], a[1], a[2]', '<py3fix>', 'exec'))
 | |
| 
 | |
| # Some helpers for string/byte handling
 | |
| def tob(s, enc='utf8'):
 | |
|     if isinstance(s, unicode):
 | |
|         return s.encode(enc)
 | |
|     return b'' if s is None else bytes(s)
 | |
| 
 | |
| 
 | |
| def touni(s, enc='utf8', err='strict'):
 | |
|     if isinstance(s, bytes):
 | |
|         return s.decode(enc, err)
 | |
|     return unicode("" if s is None else s)
 | |
| 
 | |
| 
 | |
| tonat = touni if py3k else tob
 | |
| 
 | |
| 
 | |
| def _stderr(*args):
 | |
|     try:
 | |
|         print(*args, file=sys.stderr)
 | |
|     except (IOError, AttributeError):
 | |
|         pass # Some environments do not allow printing (mod_wsgi)
 | |
| 
 | |
| 
 | |
| # A bug in functools causes it to break if the wrapper is an instance method
 | |
| def update_wrapper(wrapper, wrapped, *a, **ka):
 | |
|     try:
 | |
|         functools.update_wrapper(wrapper, wrapped, *a, **ka)
 | |
|     except AttributeError:
 | |
|         pass
 | |
| 
 | |
| # These helpers are used at module level and need to be defined first.
 | |
| # And yes, I know PEP-8, but sometimes a lower-case classname makes more sense.
 | |
| 
 | |
| 
 | |
| def depr(major, minor, cause, fix):
 | |
|     text = "Warning: Use of deprecated feature or API. (Deprecated in Bottle-%d.%d)\n"\
 | |
|            "Cause: %s\n"\
 | |
|            "Fix: %s\n" % (major, minor, cause, fix)
 | |
|     if DEBUG == 'strict':
 | |
|         raise DeprecationWarning(text)
 | |
|     warnings.warn(text, DeprecationWarning, stacklevel=3)
 | |
|     return DeprecationWarning(text)
 | |
| 
 | |
| 
 | |
| def makelist(data):  # This is just too handy
 | |
|     if isinstance(data, (tuple, list, set, dict)):
 | |
|         return list(data)
 | |
|     elif data:
 | |
|         return [data]
 | |
|     else:
 | |
|         return []
 | |
| 
 | |
| 
 | |
| class DictProperty(object):
 | |
|     """ Property that maps to a key in a local dict-like attribute. """
 | |
| 
 | |
|     def __init__(self, attr, key=None, read_only=False):
 | |
|         self.attr, self.key, self.read_only = attr, key, read_only
 | |
| 
 | |
|     def __call__(self, func):
 | |
|         functools.update_wrapper(self, func, updated=[])
 | |
|         self.getter, self.key = func, self.key or func.__name__
 | |
|         return self
 | |
| 
 | |
|     def __get__(self, obj, cls):
 | |
|         if obj is None: return self
 | |
|         key, storage = self.key, getattr(obj, self.attr)
 | |
|         if key not in storage: storage[key] = self.getter(obj)
 | |
|         return storage[key]
 | |
| 
 | |
|     def __set__(self, obj, value):
 | |
|         if self.read_only: raise AttributeError("Read-Only property.")
 | |
|         getattr(obj, self.attr)[self.key] = value
 | |
| 
 | |
|     def __delete__(self, obj):
 | |
|         if self.read_only: raise AttributeError("Read-Only property.")
 | |
|         del getattr(obj, self.attr)[self.key]
 | |
| 
 | |
| 
 | |
| class cached_property(object):
 | |
|     """ A property that is only computed once per instance and then replaces
 | |
|         itself with an ordinary attribute. Deleting the attribute resets the
 | |
|         property. """
 | |
| 
 | |
|     def __init__(self, func):
 | |
|         update_wrapper(self, func)
 | |
|         self.func = func
 | |
| 
 | |
|     def __get__(self, obj, cls):
 | |
|         if obj is None: return self
 | |
|         value = obj.__dict__[self.func.__name__] = self.func(obj)
 | |
|         return value
 | |
| 
 | |
| 
 | |
| class lazy_attribute(object):
 | |
|     """ A property that caches itself to the class object. """
 | |
| 
 | |
|     def __init__(self, func):
 | |
|         functools.update_wrapper(self, func, updated=[])
 | |
|         self.getter = func
 | |
| 
 | |
|     def __get__(self, obj, cls):
 | |
|         value = self.getter(cls)
 | |
|         setattr(cls, self.__name__, value)
 | |
|         return value
 | |
| 
 | |
| ###############################################################################
 | |
| # Exceptions and Events #######################################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| class BottleException(Exception):
 | |
|     """ A base class for exceptions used by bottle. """
 | |
|     pass
 | |
| 
 | |
| ###############################################################################
 | |
| # Routing ######################################################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| class RouteError(BottleException):
 | |
|     """ This is a base class for all routing related exceptions """
 | |
| 
 | |
| 
 | |
| class RouteReset(BottleException):
 | |
|     """ If raised by a plugin or request handler, the route is reset and all
 | |
|         plugins are re-applied. """
 | |
| 
 | |
| 
 | |
| class RouterUnknownModeError(RouteError):
 | |
| 
 | |
|     pass
 | |
| 
 | |
| 
 | |
| class RouteSyntaxError(RouteError):
 | |
|     """ The route parser found something not supported by this router. """
 | |
| 
 | |
| 
 | |
| class RouteBuildError(RouteError):
 | |
|     """ The route could not be built. """
 | |
| 
 | |
| 
 | |
| def _re_flatten(p):
 | |
|     """ Turn all capturing groups in a regular expression pattern into
 | |
|         non-capturing groups. """
 | |
|     if '(' not in p:
 | |
|         return p
 | |
|     return re.sub(r'(\\*)(\(\?P<[^>]+>|\((?!\?))', lambda m: m.group(0) if
 | |
|                   len(m.group(1)) % 2 else m.group(1) + '(?:', p)
 | |
| 
 | |
| 
 | |
| class Router(object):
 | |
|     """ A Router is an ordered collection of route->target pairs. It is used to
 | |
|         efficiently match WSGI requests against a number of routes and return
 | |
|         the first target that satisfies the request. The target may be anything,
 | |
|         usually a string, ID or callable object. A route consists of a path-rule
 | |
|         and a HTTP method.
 | |
| 
 | |
|         The path-rule is either a static path (e.g. `/contact`) or a dynamic
 | |
|         path that contains wildcards (e.g. `/wiki/<page>`). The wildcard syntax
 | |
|         and details on the matching order are described in docs:`routing`.
 | |
|     """
 | |
| 
 | |
|     default_pattern = '[^/]+'
 | |
|     default_filter = 're'
 | |
| 
 | |
|     #: The current CPython regexp implementation does not allow more
 | |
|     #: than 99 matching groups per regular expression.
 | |
|     _MAX_GROUPS_PER_PATTERN = 99
 | |
| 
 | |
|     def __init__(self, strict=False):
 | |
|         self.rules = []  # All rules in order
 | |
|         self._groups = {}  # index of regexes to find them in dyna_routes
 | |
|         self.builder = {}  # Data structure for the url builder
 | |
|         self.static = {}  # Search structure for static routes
 | |
|         self.dyna_routes = {}
 | |
|         self.dyna_regexes = {}  # Search structure for dynamic routes
 | |
|         #: If true, static routes are no longer checked first.
 | |
|         self.strict_order = strict
 | |
|         self.filters = {
 | |
|             're': lambda conf: (_re_flatten(conf or self.default_pattern),
 | |
|                                 None, None),
 | |
|             'int': lambda conf: (r'-?\d+', int, lambda x: str(int(x))),
 | |
|             'float': lambda conf: (r'-?[\d.]+', float, lambda x: str(float(x))),
 | |
|             'path': lambda conf: (r'.+?', None, None)
 | |
|         }
 | |
| 
 | |
|     def add_filter(self, name, func):
 | |
|         """ Add a filter. The provided function is called with the configuration
 | |
|         string as parameter and must return a (regexp, to_python, to_url) tuple.
 | |
|         The first element is a string, the last two are callables or None. """
 | |
|         self.filters[name] = func
 | |
| 
 | |
|     rule_syntax = re.compile('(\\\\*)'
 | |
|         '(?:(?::([a-zA-Z_][a-zA-Z_0-9]*)?()(?:#(.*?)#)?)'
 | |
|           '|(?:<([a-zA-Z_][a-zA-Z_0-9]*)?(?::([a-zA-Z_]*)'
 | |
|             '(?::((?:\\\\.|[^\\\\>])+)?)?)?>))')
 | |
| 
 | |
|     def _itertokens(self, rule):
 | |
|         offset, prefix = 0, ''
 | |
|         for match in self.rule_syntax.finditer(rule):
 | |
|             prefix += rule[offset:match.start()]
 | |
|             g = match.groups()
 | |
|             if g[2] is not None:
 | |
|                 depr(0, 13, "Use of old route syntax.",
 | |
|                             "Use <name> instead of :name in routes.")
 | |
|             if len(g[0]) % 2:  # Escaped wildcard
 | |
|                 prefix += match.group(0)[len(g[0]):]
 | |
|                 offset = match.end()
 | |
|                 continue
 | |
|             if prefix:
 | |
|                 yield prefix, None, None
 | |
|             name, filtr, conf = g[4:7] if g[2] is None else g[1:4]
 | |
|             yield name, filtr or 'default', conf or None
 | |
|             offset, prefix = match.end(), ''
 | |
|         if offset <= len(rule) or prefix:
 | |
|             yield prefix + rule[offset:], None, None
 | |
| 
 | |
|     def add(self, rule, method, target, name=None):
 | |
|         """ Add a new rule or replace the target for an existing rule. """
 | |
|         anons = 0  # Number of anonymous wildcards found
 | |
|         keys = []  # Names of keys
 | |
|         pattern = ''  # Regular expression pattern with named groups
 | |
|         filters = []  # Lists of wildcard input filters
 | |
|         builder = []  # Data structure for the URL builder
 | |
|         is_static = True
 | |
| 
 | |
|         for key, mode, conf in self._itertokens(rule):
 | |
|             if mode:
 | |
|                 is_static = False
 | |
|                 if mode == 'default': mode = self.default_filter
 | |
|                 mask, in_filter, out_filter = self.filters[mode](conf)
 | |
|                 if not key:
 | |
|                     pattern += '(?:%s)' % mask
 | |
|                     key = 'anon%d' % anons
 | |
|                     anons += 1
 | |
|                 else:
 | |
|                     pattern += '(?P<%s>%s)' % (key, mask)
 | |
|                     keys.append(key)
 | |
|                 if in_filter: filters.append((key, in_filter))
 | |
|                 builder.append((key, out_filter or str))
 | |
|             elif key:
 | |
|                 pattern += re.escape(key)
 | |
|                 builder.append((None, key))
 | |
| 
 | |
|         self.builder[rule] = builder
 | |
|         if name: self.builder[name] = builder
 | |
| 
 | |
|         if is_static and not self.strict_order:
 | |
|             self.static.setdefault(method, {})
 | |
|             self.static[method][self.build(rule)] = (target, None)
 | |
|             return
 | |
| 
 | |
|         try:
 | |
|             re_pattern = re.compile('^(%s)$' % pattern)
 | |
|             re_match = re_pattern.match
 | |
|         except re.error as e:
 | |
|             raise RouteSyntaxError("Could not add Route: %s (%s)" % (rule, e))
 | |
| 
 | |
|         if filters:
 | |
| 
 | |
|             def getargs(path):
 | |
|                 url_args = re_match(path).groupdict()
 | |
|                 for name, wildcard_filter in filters:
 | |
|                     try:
 | |
|                         url_args[name] = wildcard_filter(url_args[name])
 | |
|                     except ValueError:
 | |
|                         raise HTTPError(400, 'Path has wrong format.')
 | |
|                 return url_args
 | |
|         elif re_pattern.groupindex:
 | |
| 
 | |
|             def getargs(path):
 | |
|                 return re_match(path).groupdict()
 | |
|         else:
 | |
|             getargs = None
 | |
| 
 | |
|         flatpat = _re_flatten(pattern)
 | |
|         whole_rule = (rule, flatpat, target, getargs)
 | |
| 
 | |
|         if (flatpat, method) in self._groups:
 | |
|             if DEBUG:
 | |
|                 msg = 'Route <%s %s> overwrites a previously defined route'
 | |
|                 warnings.warn(msg % (method, rule), RuntimeWarning)
 | |
|             self.dyna_routes[method][
 | |
|                 self._groups[flatpat, method]] = whole_rule
 | |
|         else:
 | |
|             self.dyna_routes.setdefault(method, []).append(whole_rule)
 | |
|             self._groups[flatpat, method] = len(self.dyna_routes[method]) - 1
 | |
| 
 | |
|         self._compile(method)
 | |
| 
 | |
|     def _compile(self, method):
 | |
|         all_rules = self.dyna_routes[method]
 | |
|         comborules = self.dyna_regexes[method] = []
 | |
|         maxgroups = self._MAX_GROUPS_PER_PATTERN
 | |
|         for x in range(0, len(all_rules), maxgroups):
 | |
|             some = all_rules[x:x + maxgroups]
 | |
|             combined = (flatpat for (_, flatpat, _, _) in some)
 | |
|             combined = '|'.join('(^%s$)' % flatpat for flatpat in combined)
 | |
|             combined = re.compile(combined).match
 | |
|             rules = [(target, getargs) for (_, _, target, getargs) in some]
 | |
|             comborules.append((combined, rules))
 | |
| 
 | |
|     def build(self, _name, *anons, **query):
 | |
|         """ Build an URL by filling the wildcards in a rule. """
 | |
|         builder = self.builder.get(_name)
 | |
|         if not builder:
 | |
|             raise RouteBuildError("No route with that name.", _name)
 | |
|         try:
 | |
|             for i, value in enumerate(anons):
 | |
|                 query['anon%d' % i] = value
 | |
|             url = ''.join([f(query.pop(n)) if n else f for (n, f) in builder])
 | |
|             return url if not query else url + '?' + urlencode(query)
 | |
|         except KeyError as E:
 | |
|             raise RouteBuildError('Missing URL argument: %r' % E.args[0])
 | |
| 
 | |
|     def match(self, environ):
 | |
|         """ Return a (target, url_args) tuple or raise HTTPError(400/404/405). """
 | |
|         verb = environ['REQUEST_METHOD'].upper()
 | |
|         path = environ['PATH_INFO'] or '/'
 | |
| 
 | |
|         methods = ('PROXY', 'HEAD', 'GET', 'ANY') if verb == 'HEAD' else ('PROXY', verb, 'ANY')
 | |
| 
 | |
|         for method in methods:
 | |
|             if method in self.static and path in self.static[method]:
 | |
|                 target, getargs = self.static[method][path]
 | |
|                 return target, getargs(path) if getargs else {}
 | |
|             elif method in self.dyna_regexes:
 | |
|                 for combined, rules in self.dyna_regexes[method]:
 | |
|                     match = combined(path)
 | |
|                     if match:
 | |
|                         target, getargs = rules[match.lastindex - 1]
 | |
|                         return target, getargs(path) if getargs else {}
 | |
| 
 | |
|         # No matching route found. Collect alternative methods for 405 response
 | |
|         allowed = set([])
 | |
|         nocheck = set(methods)
 | |
|         for method in set(self.static) - nocheck:
 | |
|             if path in self.static[method]:
 | |
|                 allowed.add(method)
 | |
|         for method in set(self.dyna_regexes) - allowed - nocheck:
 | |
|             for combined, rules in self.dyna_regexes[method]:
 | |
|                 match = combined(path)
 | |
|                 if match:
 | |
|                     allowed.add(method)
 | |
|         if allowed:
 | |
|             allow_header = ",".join(sorted(allowed))
 | |
|             raise HTTPError(405, "Method not allowed.", Allow=allow_header)
 | |
| 
 | |
|         # No matching route and no alternative method found. We give up
 | |
|         raise HTTPError(404, "Not found: " + repr(path))
 | |
| 
 | |
| 
 | |
| class Route(object):
 | |
|     """ This class wraps a route callback along with route specific metadata and
 | |
|         configuration and applies Plugins on demand. It is also responsible for
 | |
|         turning an URL path rule into a regular expression usable by the Router.
 | |
|     """
 | |
| 
 | |
|     def __init__(self, app, rule, method, callback,
 | |
|                  name=None,
 | |
|                  plugins=None,
 | |
|                  skiplist=None, **config):
 | |
|         #: The application this route is installed to.
 | |
|         self.app = app
 | |
|         #: The path-rule string (e.g. ``/wiki/<page>``).
 | |
|         self.rule = rule
 | |
|         #: The HTTP method as a string (e.g. ``GET``).
 | |
|         self.method = method
 | |
|         #: The original callback with no plugins applied. Useful for introspection.
 | |
|         self.callback = callback
 | |
|         #: The name of the route (if specified) or ``None``.
 | |
|         self.name = name or None
 | |
|         #: A list of route-specific plugins (see :meth:`Bottle.route`).
 | |
|         self.plugins = plugins or []
 | |
|         #: A list of plugins to not apply to this route (see :meth:`Bottle.route`).
 | |
|         self.skiplist = skiplist or []
 | |
|         #: Additional keyword arguments passed to the :meth:`Bottle.route`
 | |
|         #: decorator are stored in this dictionary. Used for route-specific
 | |
|         #: plugin configuration and meta-data.
 | |
|         self.config = app.config._make_overlay()
 | |
|         self.config.load_dict(config)
 | |
| 
 | |
|     @cached_property
 | |
|     def call(self):
 | |
|         """ The route callback with all plugins applied. This property is
 | |
|             created on demand and then cached to speed up subsequent requests."""
 | |
|         return self._make_callback()
 | |
| 
 | |
|     def reset(self):
 | |
|         """ Forget any cached values. The next time :attr:`call` is accessed,
 | |
|             all plugins are re-applied. """
 | |
|         self.__dict__.pop('call', None)
 | |
| 
 | |
|     def prepare(self):
 | |
|         """ Do all on-demand work immediately (useful for debugging)."""
 | |
|         self.call
 | |
| 
 | |
|     def all_plugins(self):
 | |
|         """ Yield all Plugins affecting this route. """
 | |
|         unique = set()
 | |
|         for p in reversed(self.app.plugins + self.plugins):
 | |
|             if True in self.skiplist: break
 | |
|             name = getattr(p, 'name', False)
 | |
|             if name and (name in self.skiplist or name in unique): continue
 | |
|             if p in self.skiplist or type(p) in self.skiplist: continue
 | |
|             if name: unique.add(name)
 | |
|             yield p
 | |
| 
 | |
|     def _make_callback(self):
 | |
|         callback = self.callback
 | |
|         for plugin in self.all_plugins():
 | |
|             try:
 | |
|                 if hasattr(plugin, 'apply'):
 | |
|                     callback = plugin.apply(callback, self)
 | |
|                 else:
 | |
|                     callback = plugin(callback)
 | |
|             except RouteReset:  # Try again with changed configuration.
 | |
|                 return self._make_callback()
 | |
|             if callback is not self.callback:
 | |
|                 update_wrapper(callback, self.callback)
 | |
|         return callback
 | |
| 
 | |
|     def get_undecorated_callback(self):
 | |
|         """ Return the callback. If the callback is a decorated function, try to
 | |
|             recover the original function. """
 | |
|         func = self.callback
 | |
|         func = getattr(func, '__func__' if py3k else 'im_func', func)
 | |
|         closure_attr = '__closure__' if py3k else 'func_closure'
 | |
|         while hasattr(func, closure_attr) and getattr(func, closure_attr):
 | |
|             attributes = getattr(func, closure_attr)
 | |
|             func = attributes[0].cell_contents
 | |
| 
 | |
|             # in case of decorators with multiple arguments
 | |
|             if not isinstance(func, FunctionType):
 | |
|                 # pick first FunctionType instance from multiple arguments
 | |
|                 func = filter(lambda x: isinstance(x, FunctionType),
 | |
|                               map(lambda x: x.cell_contents, attributes))
 | |
|                 func = list(func)[0]  # py3 support
 | |
|         return func
 | |
| 
 | |
|     def get_callback_args(self):
 | |
|         """ Return a list of argument names the callback (most likely) accepts
 | |
|             as keyword arguments. If the callback is a decorated function, try
 | |
|             to recover the original function before inspection. """
 | |
|         return getargspec(self.get_undecorated_callback())[0]
 | |
| 
 | |
|     def get_config(self, key, default=None):
 | |
|         """ Lookup a config field and return its value, first checking the
 | |
|             route.config, then route.app.config."""
 | |
|         depr(0, 13, "Route.get_config() is deprecated.",
 | |
|                     "The Route.config property already includes values from the"
 | |
|                     " application config for missing keys. Access it directly.")
 | |
|         return self.config.get(key, default)
 | |
| 
 | |
|     def __repr__(self):
 | |
|         cb = self.get_undecorated_callback()
 | |
|         return '<%s %s -> %s:%s>' % (self.method, self.rule, cb.__module__, cb.__name__)
 | |
| 
 | |
| ###############################################################################
 | |
| # Application Object ###########################################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| class Bottle(object):
 | |
|     """ Each Bottle object represents a single, distinct web application and
 | |
|         consists of routes, callbacks, plugins, resources and configuration.
 | |
|         Instances are callable WSGI applications.
 | |
| 
 | |
|         :param catchall: If true (default), handle all exceptions. Turn off to
 | |
|                          let debugging middleware handle exceptions.
 | |
|     """
 | |
| 
 | |
|     @lazy_attribute
 | |
|     def _global_config(cls):
 | |
|         cfg = ConfigDict()
 | |
|         cfg.meta_set('catchall', 'validate', bool)
 | |
|         return cfg
 | |
| 
 | |
|     def __init__(self, **kwargs):
 | |
|         #: A :class:`ConfigDict` for app specific configuration.
 | |
|         self.config = self._global_config._make_overlay()
 | |
|         self.config._add_change_listener(
 | |
|             functools.partial(self.trigger_hook, 'config'))
 | |
| 
 | |
|         self.config.update({
 | |
|             "catchall": True
 | |
|         })
 | |
| 
 | |
|         if kwargs.get('catchall') is False:
 | |
|             depr(0, 13, "Bottle(catchall) keyword argument.",
 | |
|                         "The 'catchall' setting is now part of the app "
 | |
|                         "configuration. Fix: `app.config['catchall'] = False`")
 | |
|             self.config['catchall'] = False
 | |
|         if kwargs.get('autojson') is False:
 | |
|             depr(0, 13, "Bottle(autojson) keyword argument.",
 | |
|                  "The 'autojson' setting is now part of the app "
 | |
|                  "configuration. Fix: `app.config['json.enable'] = False`")
 | |
|             self.config['json.disable'] = True
 | |
| 
 | |
|         self._mounts = []
 | |
| 
 | |
|         #: A :class:`ResourceManager` for application files
 | |
|         self.resources = ResourceManager()
 | |
| 
 | |
|         self.routes = []  # List of installed :class:`Route` instances.
 | |
|         self.router = Router()  # Maps requests to :class:`Route` instances.
 | |
|         self.error_handler = {}
 | |
| 
 | |
|         # Core plugins
 | |
|         self.plugins = []  # List of installed plugins.
 | |
|         self.install(JSONPlugin())
 | |
|         self.install(TemplatePlugin())
 | |
| 
 | |
|     #: If true, most exceptions are caught and returned as :exc:`HTTPError`
 | |
|     catchall = DictProperty('config', 'catchall')
 | |
| 
 | |
|     __hook_names = 'before_request', 'after_request', 'app_reset', 'config'
 | |
|     __hook_reversed = {'after_request'}
 | |
| 
 | |
|     @cached_property
 | |
|     def _hooks(self):
 | |
|         return dict((name, []) for name in self.__hook_names)
 | |
| 
 | |
|     def add_hook(self, name, func):
 | |
|         """ Attach a callback to a hook. Three hooks are currently implemented:
 | |
| 
 | |
|             before_request
 | |
|                 Executed once before each request. The request context is
 | |
|                 available, but no routing has happened yet.
 | |
|             after_request
 | |
|                 Executed once after each request regardless of its outcome.
 | |
|             app_reset
 | |
|                 Called whenever :meth:`Bottle.reset` is called.
 | |
|         """
 | |
|         if name in self.__hook_reversed:
 | |
|             self._hooks[name].insert(0, func)
 | |
|         else:
 | |
|             self._hooks[name].append(func)
 | |
| 
 | |
|     def remove_hook(self, name, func):
 | |
|         """ Remove a callback from a hook. """
 | |
|         if name in self._hooks and func in self._hooks[name]:
 | |
|             self._hooks[name].remove(func)
 | |
|             return True
 | |
| 
 | |
|     def trigger_hook(self, __name, *args, **kwargs):
 | |
|         """ Trigger a hook and return a list of results. """
 | |
|         return [hook(*args, **kwargs) for hook in self._hooks[__name][:]]
 | |
| 
 | |
|     def hook(self, name):
 | |
|         """ Return a decorator that attaches a callback to a hook. See
 | |
|             :meth:`add_hook` for details."""
 | |
| 
 | |
|         def decorator(func):
 | |
|             self.add_hook(name, func)
 | |
|             return func
 | |
| 
 | |
|         return decorator
 | |
| 
 | |
|     def _mount_wsgi(self, prefix, app, **options):
 | |
|         segments = [p for p in prefix.split('/') if p]
 | |
|         if not segments:
 | |
|             raise ValueError('WSGI applications cannot be mounted to "/".')
 | |
|         path_depth = len(segments)
 | |
| 
 | |
|         def mountpoint_wrapper():
 | |
|             try:
 | |
|                 request.path_shift(path_depth)
 | |
|                 rs = HTTPResponse([])
 | |
| 
 | |
|                 def start_response(status, headerlist, exc_info=None):
 | |
|                     if exc_info:
 | |
|                         _raise(*exc_info)
 | |
|                     if py3k:
 | |
|                         # Errors here mean that the mounted WSGI app did not
 | |
|                         # follow PEP-3333 (which requires latin1) or used a
 | |
|                         # pre-encoding other than utf8 :/
 | |
|                         status = status.encode('latin1').decode('utf8')
 | |
|                         headerlist = [(k, v.encode('latin1').decode('utf8'))
 | |
|                                       for (k, v) in headerlist]
 | |
|                     rs.status = status
 | |
|                     for name, value in headerlist:
 | |
|                         rs.add_header(name, value)
 | |
|                     return rs.body.append
 | |
| 
 | |
|                 body = app(request.environ, start_response)
 | |
|                 rs.body = itertools.chain(rs.body, body) if rs.body else body
 | |
|                 return rs
 | |
|             finally:
 | |
|                 request.path_shift(-path_depth)
 | |
| 
 | |
|         options.setdefault('skip', True)
 | |
|         options.setdefault('method', 'PROXY')
 | |
|         options.setdefault('mountpoint', {'prefix': prefix, 'target': app})
 | |
|         options['callback'] = mountpoint_wrapper
 | |
| 
 | |
|         self.route('/%s/<:re:.*>' % '/'.join(segments), **options)
 | |
|         if not prefix.endswith('/'):
 | |
|             self.route('/' + '/'.join(segments), **options)
 | |
| 
 | |
|     def _mount_app(self, prefix, app, **options):
 | |
|         if app in self._mounts or '_mount.app' in app.config:
 | |
|             depr(0, 13, "Application mounted multiple times. Falling back to WSGI mount.",
 | |
|                  "Clone application before mounting to a different location.")
 | |
|             return self._mount_wsgi(prefix, app, **options)
 | |
| 
 | |
|         if options:
 | |
|             depr(0, 13, "Unsupported mount options. Falling back to WSGI mount.",
 | |
|                  "Do not specify any route options when mounting bottle application.")
 | |
|             return self._mount_wsgi(prefix, app, **options)
 | |
| 
 | |
|         if not prefix.endswith("/"):
 | |
|             depr(0, 13, "Prefix must end in '/'. Falling back to WSGI mount.",
 | |
|                  "Consider adding an explicit redirect from '/prefix' to '/prefix/' in the parent application.")
 | |
|             return self._mount_wsgi(prefix, app, **options)
 | |
| 
 | |
|         self._mounts.append(app)
 | |
|         app.config['_mount.prefix'] = prefix
 | |
|         app.config['_mount.app'] = self
 | |
|         for route in app.routes:
 | |
|             route.rule = prefix + route.rule.lstrip('/')
 | |
|             self.add_route(route)
 | |
| 
 | |
|     def mount(self, prefix, app, **options):
 | |
|         """ Mount an application (:class:`Bottle` or plain WSGI) to a specific
 | |
|             URL prefix. Example::
 | |
| 
 | |
|                 parent_app.mount('/prefix/', child_app)
 | |
| 
 | |
|             :param prefix: path prefix or `mount-point`.
 | |
|             :param app: an instance of :class:`Bottle` or a WSGI application.
 | |
| 
 | |
|             Plugins from the parent application are not applied to the routes
 | |
|             of the mounted child application. If you need plugins in the child
 | |
|             application, install them separately.
 | |
| 
 | |
|             While it is possible to use path wildcards within the prefix path
 | |
|             (:class:`Bottle` childs only), it is highly discouraged.
 | |
| 
 | |
|             The prefix path must end with a slash. If you want to access the
 | |
|             root of the child application via `/prefix` in addition to
 | |
|             `/prefix/`, consider adding a route with a 307 redirect to the
 | |
|             parent application.
 | |
|         """
 | |
| 
 | |
|         if not prefix.startswith('/'):
 | |
|             raise ValueError("Prefix must start with '/'")
 | |
| 
 | |
|         if isinstance(app, Bottle):
 | |
|             return self._mount_app(prefix, app, **options)
 | |
|         else:
 | |
|             return self._mount_wsgi(prefix, app, **options)
 | |
| 
 | |
|     def merge(self, routes):
 | |
|         """ Merge the routes of another :class:`Bottle` application or a list of
 | |
|             :class:`Route` objects into this application. The routes keep their
 | |
|             'owner', meaning that the :data:`Route.app` attribute is not
 | |
|             changed. """
 | |
|         if isinstance(routes, Bottle):
 | |
|             routes = routes.routes
 | |
|         for route in routes:
 | |
|             self.add_route(route)
 | |
| 
 | |
|     def install(self, plugin):
 | |
|         """ Add a plugin to the list of plugins and prepare it for being
 | |
|             applied to all routes of this application. A plugin may be a simple
 | |
|             decorator or an object that implements the :class:`Plugin` API.
 | |
|         """
 | |
|         if hasattr(plugin, 'setup'): plugin.setup(self)
 | |
|         if not callable(plugin) and not hasattr(plugin, 'apply'):
 | |
|             raise TypeError("Plugins must be callable or implement .apply()")
 | |
|         self.plugins.append(plugin)
 | |
|         self.reset()
 | |
|         return plugin
 | |
| 
 | |
|     def uninstall(self, plugin):
 | |
|         """ Uninstall plugins. Pass an instance to remove a specific plugin, a type
 | |
|             object to remove all plugins that match that type, a string to remove
 | |
|             all plugins with a matching ``name`` attribute or ``True`` to remove all
 | |
|             plugins. Return the list of removed plugins. """
 | |
|         removed, remove = [], plugin
 | |
|         for i, plugin in list(enumerate(self.plugins))[::-1]:
 | |
|             if remove is True or remove is plugin or remove is type(plugin) \
 | |
|             or getattr(plugin, 'name', True) == remove:
 | |
|                 removed.append(plugin)
 | |
|                 del self.plugins[i]
 | |
|                 if hasattr(plugin, 'close'): plugin.close()
 | |
|         if removed: self.reset()
 | |
|         return removed
 | |
| 
 | |
|     def reset(self, route=None):
 | |
|         """ Reset all routes (force plugins to be re-applied) and clear all
 | |
|             caches. If an ID or route object is given, only that specific route
 | |
|             is affected. """
 | |
|         if route is None: routes = self.routes
 | |
|         elif isinstance(route, Route): routes = [route]
 | |
|         else: routes = [self.routes[route]]
 | |
|         for route in routes:
 | |
|             route.reset()
 | |
|         if DEBUG:
 | |
|             for route in routes:
 | |
|                 route.prepare()
 | |
|         self.trigger_hook('app_reset')
 | |
| 
 | |
|     def close(self):
 | |
|         """ Close the application and all installed plugins. """
 | |
|         for plugin in self.plugins:
 | |
|             if hasattr(plugin, 'close'): plugin.close()
 | |
| 
 | |
|     def run(self, **kwargs):
 | |
|         """ Calls :func:`run` with the same parameters. """
 | |
|         run(self, **kwargs)
 | |
| 
 | |
|     def match(self, environ):
 | |
|         """ Search for a matching route and return a (:class:`Route`, urlargs)
 | |
|             tuple. The second value is a dictionary with parameters extracted
 | |
|             from the URL. Raise :exc:`HTTPError` (404/405) on a non-match."""
 | |
|         return self.router.match(environ)
 | |
| 
 | |
|     def get_url(self, routename, **kargs):
 | |
|         """ Return a string that matches a named route """
 | |
|         scriptname = request.environ.get('SCRIPT_NAME', '').strip('/') + '/'
 | |
|         location = self.router.build(routename, **kargs).lstrip('/')
 | |
|         return urljoin(urljoin('/', scriptname), location)
 | |
| 
 | |
|     def add_route(self, route):
 | |
|         """ Add a route object, but do not change the :data:`Route.app`
 | |
|             attribute."""
 | |
|         self.routes.append(route)
 | |
|         self.router.add(route.rule, route.method, route, name=route.name)
 | |
|         if DEBUG: route.prepare()
 | |
| 
 | |
|     def route(self,
 | |
|               path=None,
 | |
|               method='GET',
 | |
|               callback=None,
 | |
|               name=None,
 | |
|               apply=None,
 | |
|               skip=None, **config):
 | |
|         """ A decorator to bind a function to a request URL. Example::
 | |
| 
 | |
|                 @app.route('/hello/<name>')
 | |
|                 def hello(name):
 | |
|                     return 'Hello %s' % name
 | |
| 
 | |
|             The ``<name>`` part is a wildcard. See :class:`Router` for syntax
 | |
|             details.
 | |
| 
 | |
|             :param path: Request path or a list of paths to listen to. If no
 | |
|               path is specified, it is automatically generated from the
 | |
|               signature of the function.
 | |
|             :param method: HTTP method (`GET`, `POST`, `PUT`, ...) or a list of
 | |
|               methods to listen to. (default: `GET`)
 | |
|             :param callback: An optional shortcut to avoid the decorator
 | |
|               syntax. ``route(..., callback=func)`` equals ``route(...)(func)``
 | |
|             :param name: The name for this route. (default: None)
 | |
|             :param apply: A decorator or plugin or a list of plugins. These are
 | |
|               applied to the route callback in addition to installed plugins.
 | |
|             :param skip: A list of plugins, plugin classes or names. Matching
 | |
|               plugins are not installed to this route. ``True`` skips all.
 | |
| 
 | |
|             Any additional keyword arguments are stored as route-specific
 | |
|             configuration and passed to plugins (see :meth:`Plugin.apply`).
 | |
|         """
 | |
|         if callable(path): path, callback = None, path
 | |
|         plugins = makelist(apply)
 | |
|         skiplist = makelist(skip)
 | |
| 
 | |
|         def decorator(callback):
 | |
|             if isinstance(callback, basestring): callback = load(callback)
 | |
|             for rule in makelist(path) or yieldroutes(callback):
 | |
|                 for verb in makelist(method):
 | |
|                     verb = verb.upper()
 | |
|                     route = Route(self, rule, verb, callback,
 | |
|                                   name=name,
 | |
|                                   plugins=plugins,
 | |
|                                   skiplist=skiplist, **config)
 | |
|                     self.add_route(route)
 | |
|             return callback
 | |
| 
 | |
|         return decorator(callback) if callback else decorator
 | |
| 
 | |
|     def get(self, path=None, method='GET', **options):
 | |
|         """ Equals :meth:`route`. """
 | |
|         return self.route(path, method, **options)
 | |
| 
 | |
|     def post(self, path=None, method='POST', **options):
 | |
|         """ Equals :meth:`route` with a ``POST`` method parameter. """
 | |
|         return self.route(path, method, **options)
 | |
| 
 | |
|     def put(self, path=None, method='PUT', **options):
 | |
|         """ Equals :meth:`route` with a ``PUT`` method parameter. """
 | |
|         return self.route(path, method, **options)
 | |
| 
 | |
|     def delete(self, path=None, method='DELETE', **options):
 | |
|         """ Equals :meth:`route` with a ``DELETE`` method parameter. """
 | |
|         return self.route(path, method, **options)
 | |
| 
 | |
|     def patch(self, path=None, method='PATCH', **options):
 | |
|         """ Equals :meth:`route` with a ``PATCH`` method parameter. """
 | |
|         return self.route(path, method, **options)
 | |
| 
 | |
|     def error(self, code=500, callback=None):
 | |
|         """ Register an output handler for a HTTP error code. Can
 | |
|             be used as a decorator or called directly ::
 | |
| 
 | |
|                 def error_handler_500(error):
 | |
|                     return 'error_handler_500'
 | |
| 
 | |
|                 app.error(code=500, callback=error_handler_500)
 | |
| 
 | |
|                 @app.error(404)
 | |
|                 def error_handler_404(error):
 | |
|                     return 'error_handler_404'
 | |
| 
 | |
|         """
 | |
| 
 | |
|         def decorator(callback):
 | |
|             if isinstance(callback, basestring): callback = load(callback)
 | |
|             self.error_handler[int(code)] = callback
 | |
|             return callback
 | |
| 
 | |
|         return decorator(callback) if callback else decorator
 | |
| 
 | |
|     def default_error_handler(self, res):
 | |
|         return tob(template(ERROR_PAGE_TEMPLATE, e=res, template_settings=dict(name='__ERROR_PAGE_TEMPLATE')))
 | |
| 
 | |
|     def _handle(self, environ):
 | |
|         path = environ['bottle.raw_path'] = environ['PATH_INFO']
 | |
|         if py3k:
 | |
|             environ['PATH_INFO'] = path.encode('latin1').decode('utf8', 'ignore')
 | |
| 
 | |
|         environ['bottle.app'] = self
 | |
|         request.bind(environ)
 | |
|         response.bind()
 | |
| 
 | |
|         try:
 | |
|             while True: # Remove in 0.14 together with RouteReset
 | |
|                 out = None
 | |
|                 try:
 | |
|                     self.trigger_hook('before_request')
 | |
|                     route, args = self.router.match(environ)
 | |
|                     environ['route.handle'] = route
 | |
|                     environ['bottle.route'] = route
 | |
|                     environ['route.url_args'] = args
 | |
|                     out = route.call(**args)
 | |
|                     break
 | |
|                 except HTTPResponse as E:
 | |
|                     out = E
 | |
|                     break
 | |
|                 except RouteReset:
 | |
|                     depr(0, 13, "RouteReset exception deprecated",
 | |
|                                 "Call route.call() after route.reset() and "
 | |
|                                 "return the result.")
 | |
|                     route.reset()
 | |
|                     continue
 | |
|                 finally:
 | |
|                     if isinstance(out, HTTPResponse):
 | |
|                         out.apply(response)
 | |
|                     try:
 | |
|                         self.trigger_hook('after_request')
 | |
|                     except HTTPResponse as E:
 | |
|                         out = E
 | |
|                         out.apply(response)
 | |
|         except (KeyboardInterrupt, SystemExit, MemoryError):
 | |
|             raise
 | |
|         except Exception as E:
 | |
|             if not self.catchall: raise
 | |
|             stacktrace = format_exc()
 | |
|             environ['wsgi.errors'].write(stacktrace)
 | |
|             environ['wsgi.errors'].flush()
 | |
|             environ['bottle.exc_info'] = sys.exc_info()
 | |
|             out = HTTPError(500, "Internal Server Error", E, stacktrace)
 | |
|             out.apply(response)
 | |
| 
 | |
|         return out
 | |
| 
 | |
|     def _cast(self, out, peek=None):
 | |
|         """ Try to convert the parameter into something WSGI compatible and set
 | |
|         correct HTTP headers when possible.
 | |
|         Support: False, str, unicode, dict, HTTPResponse, HTTPError, file-like,
 | |
|         iterable of strings and iterable of unicodes
 | |
|         """
 | |
| 
 | |
|         # Empty output is done here
 | |
|         if not out:
 | |
|             if 'Content-Length' not in response:
 | |
|                 response['Content-Length'] = 0
 | |
|             return []
 | |
|         # Join lists of byte or unicode strings. Mixed lists are NOT supported
 | |
|         if isinstance(out, (tuple, list))\
 | |
|         and isinstance(out[0], (bytes, unicode)):
 | |
|             out = out[0][0:0].join(out)  # b'abc'[0:0] -> b''
 | |
|         # Encode unicode strings
 | |
|         if isinstance(out, unicode):
 | |
|             out = out.encode(response.charset)
 | |
|         # Byte Strings are just returned
 | |
|         if isinstance(out, bytes):
 | |
|             if 'Content-Length' not in response:
 | |
|                 response['Content-Length'] = len(out)
 | |
|             return [out]
 | |
|         # HTTPError or HTTPException (recursive, because they may wrap anything)
 | |
|         # TODO: Handle these explicitly in handle() or make them iterable.
 | |
|         if isinstance(out, HTTPError):
 | |
|             out.apply(response)
 | |
|             out = self.error_handler.get(out.status_code,
 | |
|                                          self.default_error_handler)(out)
 | |
|             return self._cast(out)
 | |
|         if isinstance(out, HTTPResponse):
 | |
|             out.apply(response)
 | |
|             return self._cast(out.body)
 | |
| 
 | |
|         # File-like objects.
 | |
|         if hasattr(out, 'read'):
 | |
|             if 'wsgi.file_wrapper' in request.environ:
 | |
|                 return request.environ['wsgi.file_wrapper'](out)
 | |
|             elif hasattr(out, 'close') or not hasattr(out, '__iter__'):
 | |
|                 return WSGIFileWrapper(out)
 | |
| 
 | |
|         # Handle Iterables. We peek into them to detect their inner type.
 | |
|         try:
 | |
|             iout = iter(out)
 | |
|             first = next(iout)
 | |
|             while not first:
 | |
|                 first = next(iout)
 | |
|         except StopIteration:
 | |
|             return self._cast('')
 | |
|         except HTTPResponse as E:
 | |
|             first = E
 | |
|         except (KeyboardInterrupt, SystemExit, MemoryError):
 | |
|             raise
 | |
|         except Exception as error:
 | |
|             if not self.catchall: raise
 | |
|             first = HTTPError(500, 'Unhandled exception', error, format_exc())
 | |
| 
 | |
|         # These are the inner types allowed in iterator or generator objects.
 | |
|         if isinstance(first, HTTPResponse):
 | |
|             return self._cast(first)
 | |
|         elif isinstance(first, bytes):
 | |
|             new_iter = itertools.chain([first], iout)
 | |
|         elif isinstance(first, unicode):
 | |
|             encoder = lambda x: x.encode(response.charset)
 | |
|             new_iter = imap(encoder, itertools.chain([first], iout))
 | |
|         else:
 | |
|             msg = 'Unsupported response type: %s' % type(first)
 | |
|             return self._cast(HTTPError(500, msg))
 | |
|         if hasattr(out, 'close'):
 | |
|             new_iter = _closeiter(new_iter, out.close)
 | |
|         return new_iter
 | |
| 
 | |
|     def wsgi(self, environ, start_response):
 | |
|         """ The bottle WSGI-interface. """
 | |
|         try:
 | |
|             out = self._cast(self._handle(environ))
 | |
|             # rfc2616 section 4.3
 | |
|             if response._status_code in (100, 101, 204, 304)\
 | |
|             or environ['REQUEST_METHOD'] == 'HEAD':
 | |
|                 if hasattr(out, 'close'): out.close()
 | |
|                 out = []
 | |
|             exc_info = environ.get('bottle.exc_info')
 | |
|             if exc_info is not None:
 | |
|                 del environ['bottle.exc_info']
 | |
|             start_response(response._wsgi_status_line(), response.headerlist, exc_info)
 | |
|             return out
 | |
|         except (KeyboardInterrupt, SystemExit, MemoryError):
 | |
|             raise
 | |
|         except Exception as E:
 | |
|             if not self.catchall: raise
 | |
|             err = '<h1>Critical error while processing request: %s</h1>' \
 | |
|                   % html_escape(environ.get('PATH_INFO', '/'))
 | |
|             if DEBUG:
 | |
|                 err += '<h2>Error:</h2>\n<pre>\n%s\n</pre>\n' \
 | |
|                        '<h2>Traceback:</h2>\n<pre>\n%s\n</pre>\n' \
 | |
|                        % (html_escape(repr(E)), html_escape(format_exc()))
 | |
|             environ['wsgi.errors'].write(err)
 | |
|             environ['wsgi.errors'].flush()
 | |
|             headers = [('Content-Type', 'text/html; charset=UTF-8')]
 | |
|             start_response('500 INTERNAL SERVER ERROR', headers, sys.exc_info())
 | |
|             return [tob(err)]
 | |
| 
 | |
|     def __call__(self, environ, start_response):
 | |
|         """ Each instance of :class:'Bottle' is a WSGI application. """
 | |
|         return self.wsgi(environ, start_response)
 | |
| 
 | |
|     def __enter__(self):
 | |
|         """ Use this application as default for all module-level shortcuts. """
 | |
|         default_app.push(self)
 | |
|         return self
 | |
| 
 | |
|     def __exit__(self, exc_type, exc_value, traceback):
 | |
|         default_app.pop()
 | |
| 
 | |
|     def __setattr__(self, name, value):
 | |
|         if name in self.__dict__:
 | |
|             raise AttributeError("Attribute %s already defined. Plugin conflict?" % name)
 | |
|         self.__dict__[name] = value
 | |
| 
 | |
| 
 | |
| ###############################################################################
 | |
| # HTTP and WSGI Tools ##########################################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| class BaseRequest(object):
 | |
|     """ A wrapper for WSGI environment dictionaries that adds a lot of
 | |
|         convenient access methods and properties. Most of them are read-only.
 | |
| 
 | |
|         Adding new attributes to a request actually adds them to the environ
 | |
|         dictionary (as 'bottle.request.ext.<name>'). This is the recommended
 | |
|         way to store and access request-specific data.
 | |
|     """
 | |
| 
 | |
|     __slots__ = ('environ', )
 | |
| 
 | |
|     #: Maximum size of memory buffer for :attr:`body` in bytes.
 | |
|     MEMFILE_MAX = 102400
 | |
| 
 | |
|     def __init__(self, environ=None):
 | |
|         """ Wrap a WSGI environ dictionary. """
 | |
|         #: The wrapped WSGI environ dictionary. This is the only real attribute.
 | |
|         #: All other attributes actually are read-only properties.
 | |
|         self.environ = {} if environ is None else environ
 | |
|         self.environ['bottle.request'] = self
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.app', read_only=True)
 | |
|     def app(self):
 | |
|         """ Bottle application handling this request. """
 | |
|         raise RuntimeError('This request is not connected to an application.')
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.route', read_only=True)
 | |
|     def route(self):
 | |
|         """ The bottle :class:`Route` object that matches this request. """
 | |
|         raise RuntimeError('This request is not connected to a route.')
 | |
| 
 | |
|     @DictProperty('environ', 'route.url_args', read_only=True)
 | |
|     def url_args(self):
 | |
|         """ The arguments extracted from the URL. """
 | |
|         raise RuntimeError('This request is not connected to a route.')
 | |
| 
 | |
|     @property
 | |
|     def path(self):
 | |
|         """ The value of ``PATH_INFO`` with exactly one prefixed slash (to fix
 | |
|             broken clients and avoid the "empty path" edge case). """
 | |
|         return '/' + self.environ.get('PATH_INFO', '').lstrip('/')
 | |
| 
 | |
|     @property
 | |
|     def method(self):
 | |
|         """ The ``REQUEST_METHOD`` value as an uppercase string. """
 | |
|         return self.environ.get('REQUEST_METHOD', 'GET').upper()
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.headers', read_only=True)
 | |
|     def headers(self):
 | |
|         """ A :class:`WSGIHeaderDict` that provides case-insensitive access to
 | |
|             HTTP request headers. """
 | |
|         return WSGIHeaderDict(self.environ)
 | |
| 
 | |
|     def get_header(self, name, default=None):
 | |
|         """ Return the value of a request header, or a given default value. """
 | |
|         return self.headers.get(name, default)
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.cookies', read_only=True)
 | |
|     def cookies(self):
 | |
|         """ Cookies parsed into a :class:`FormsDict`. Signed cookies are NOT
 | |
|             decoded. Use :meth:`get_cookie` if you expect signed cookies. """
 | |
|         cookies = SimpleCookie(self.environ.get('HTTP_COOKIE', '')).values()
 | |
|         return FormsDict((c.key, c.value) for c in cookies)
 | |
| 
 | |
|     def get_cookie(self, key, default=None, secret=None, digestmod=hashlib.sha256):
 | |
|         """ Return the content of a cookie. To read a `Signed Cookie`, the
 | |
|             `secret` must match the one used to create the cookie (see
 | |
|             :meth:`BaseResponse.set_cookie`). If anything goes wrong (missing
 | |
|             cookie or wrong signature), return a default value. """
 | |
|         value = self.cookies.get(key)
 | |
|         if secret:
 | |
|             # See BaseResponse.set_cookie for details on signed cookies.
 | |
|             if value and value.startswith('!') and '?' in value:
 | |
|                 sig, msg = map(tob, value[1:].split('?', 1))
 | |
|                 hash = hmac.new(tob(secret), msg, digestmod=digestmod).digest()
 | |
|                 if _lscmp(sig, base64.b64encode(hash)):
 | |
|                     dst = pickle.loads(base64.b64decode(msg))
 | |
|                     if dst and dst[0] == key:
 | |
|                         return dst[1]
 | |
|             return default
 | |
|         return value or default
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.query', read_only=True)
 | |
|     def query(self):
 | |
|         """ The :attr:`query_string` parsed into a :class:`FormsDict`. These
 | |
|             values are sometimes called "URL arguments" or "GET parameters", but
 | |
|             not to be confused with "URL wildcards" as they are provided by the
 | |
|             :class:`Router`. """
 | |
|         get = self.environ['bottle.get'] = FormsDict()
 | |
|         pairs = _parse_qsl(self.environ.get('QUERY_STRING', ''))
 | |
|         for key, value in pairs:
 | |
|             get[key] = value
 | |
|         return get
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.forms', read_only=True)
 | |
|     def forms(self):
 | |
|         """ Form values parsed from an `url-encoded` or `multipart/form-data`
 | |
|             encoded POST or PUT request body. The result is returned as a
 | |
|             :class:`FormsDict`. All keys and values are strings. File uploads
 | |
|             are stored separately in :attr:`files`. """
 | |
|         forms = FormsDict()
 | |
|         forms.recode_unicode = self.POST.recode_unicode
 | |
|         for name, item in self.POST.allitems():
 | |
|             if not isinstance(item, FileUpload):
 | |
|                 forms[name] = item
 | |
|         return forms
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.params', read_only=True)
 | |
|     def params(self):
 | |
|         """ A :class:`FormsDict` with the combined values of :attr:`query` and
 | |
|             :attr:`forms`. File uploads are stored in :attr:`files`. """
 | |
|         params = FormsDict()
 | |
|         for key, value in self.query.allitems():
 | |
|             params[key] = value
 | |
|         for key, value in self.forms.allitems():
 | |
|             params[key] = value
 | |
|         return params
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.files', read_only=True)
 | |
|     def files(self):
 | |
|         """ File uploads parsed from `multipart/form-data` encoded POST or PUT
 | |
|             request body. The values are instances of :class:`FileUpload`.
 | |
| 
 | |
|         """
 | |
|         files = FormsDict()
 | |
|         files.recode_unicode = self.POST.recode_unicode
 | |
|         for name, item in self.POST.allitems():
 | |
|             if isinstance(item, FileUpload):
 | |
|                 files[name] = item
 | |
|         return files
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.json', read_only=True)
 | |
|     def json(self):
 | |
|         """ If the ``Content-Type`` header is ``application/json`` or
 | |
|             ``application/json-rpc``, this property holds the parsed content
 | |
|             of the request body. Only requests smaller than :attr:`MEMFILE_MAX`
 | |
|             are processed to avoid memory exhaustion.
 | |
|             Invalid JSON raises a 400 error response.
 | |
|         """
 | |
|         ctype = self.environ.get('CONTENT_TYPE', '').lower().split(';')[0]
 | |
|         if ctype in ('application/json', 'application/json-rpc'):
 | |
|             b = self._get_body_string(self.MEMFILE_MAX)
 | |
|             if not b:
 | |
|                 return None
 | |
|             try:
 | |
|                 return json_loads(b)
 | |
|             except (ValueError, TypeError):
 | |
|                 raise HTTPError(400, 'Invalid JSON')
 | |
|         return None
 | |
| 
 | |
|     def _iter_body(self, read, bufsize):
 | |
|         maxread = max(0, self.content_length)
 | |
|         while maxread:
 | |
|             part = read(min(maxread, bufsize))
 | |
|             if not part: break
 | |
|             yield part
 | |
|             maxread -= len(part)
 | |
| 
 | |
|     @staticmethod
 | |
|     def _iter_chunked(read, bufsize):
 | |
|         err = HTTPError(400, 'Error while parsing chunked transfer body.')
 | |
|         rn, sem, bs = tob('\r\n'), tob(';'), tob('')
 | |
|         while True:
 | |
|             header = read(1)
 | |
|             while header[-2:] != rn:
 | |
|                 c = read(1)
 | |
|                 header += c
 | |
|                 if not c: raise err
 | |
|                 if len(header) > bufsize: raise err
 | |
|             size, _, _ = header.partition(sem)
 | |
|             try:
 | |
|                 maxread = int(tonat(size.strip()), 16)
 | |
|             except ValueError:
 | |
|                 raise err
 | |
|             if maxread == 0: break
 | |
|             buff = bs
 | |
|             while maxread > 0:
 | |
|                 if not buff:
 | |
|                     buff = read(min(maxread, bufsize))
 | |
|                 part, buff = buff[:maxread], buff[maxread:]
 | |
|                 if not part: raise err
 | |
|                 yield part
 | |
|                 maxread -= len(part)
 | |
|             if read(2) != rn:
 | |
|                 raise err
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.body', read_only=True)
 | |
|     def _body(self):
 | |
|         try:
 | |
|             read_func = self.environ['wsgi.input'].read
 | |
|         except KeyError:
 | |
|             self.environ['wsgi.input'] = BytesIO()
 | |
|             return self.environ['wsgi.input']
 | |
|         body_iter = self._iter_chunked if self.chunked else self._iter_body
 | |
|         body, body_size, is_temp_file = BytesIO(), 0, False
 | |
|         for part in body_iter(read_func, self.MEMFILE_MAX):
 | |
|             body.write(part)
 | |
|             body_size += len(part)
 | |
|             if not is_temp_file and body_size > self.MEMFILE_MAX:
 | |
|                 body, tmp = TemporaryFile(mode='w+b'), body
 | |
|                 body.write(tmp.getvalue())
 | |
|                 del tmp
 | |
|                 is_temp_file = True
 | |
|         self.environ['wsgi.input'] = body
 | |
|         body.seek(0)
 | |
|         return body
 | |
| 
 | |
|     def _get_body_string(self, maxread):
 | |
|         """ Read body into a string. Raise HTTPError(413) on requests that are
 | |
|             too large. """
 | |
|         if self.content_length > maxread:
 | |
|             raise HTTPError(413, 'Request entity too large')
 | |
|         data = self.body.read(maxread + 1)
 | |
|         if len(data) > maxread:
 | |
|             raise HTTPError(413, 'Request entity too large')
 | |
|         return data
 | |
| 
 | |
|     @property
 | |
|     def body(self):
 | |
|         """ The HTTP request body as a seek-able file-like object. Depending on
 | |
|             :attr:`MEMFILE_MAX`, this is either a temporary file or a
 | |
|             :class:`io.BytesIO` instance. Accessing this property for the first
 | |
|             time reads and replaces the ``wsgi.input`` environ variable.
 | |
|             Subsequent accesses just do a `seek(0)` on the file object. """
 | |
|         self._body.seek(0)
 | |
|         return self._body
 | |
| 
 | |
|     @property
 | |
|     def chunked(self):
 | |
|         """ True if Chunked transfer encoding was. """
 | |
|         return 'chunked' in self.environ.get(
 | |
|             'HTTP_TRANSFER_ENCODING', '').lower()
 | |
| 
 | |
|     #: An alias for :attr:`query`.
 | |
|     GET = query
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.post', read_only=True)
 | |
|     def POST(self):
 | |
|         """ The values of :attr:`forms` and :attr:`files` combined into a single
 | |
|             :class:`FormsDict`. Values are either strings (form values) or
 | |
|             instances of :class:`cgi.FieldStorage` (file uploads).
 | |
|         """
 | |
|         post = FormsDict()
 | |
|         # We default to application/x-www-form-urlencoded for everything that
 | |
|         # is not multipart and take the fast path (also: 3.1 workaround)
 | |
|         if not self.content_type.startswith('multipart/'):
 | |
|             body = tonat(self._get_body_string(self.MEMFILE_MAX), 'latin1')
 | |
|             for key, value in _parse_qsl(body):
 | |
|                 post[key] = value
 | |
|             return post
 | |
| 
 | |
|         safe_env = {'QUERY_STRING': ''}  # Build a safe environment for cgi
 | |
|         for key in ('REQUEST_METHOD', 'CONTENT_TYPE', 'CONTENT_LENGTH'):
 | |
|             if key in self.environ: safe_env[key] = self.environ[key]
 | |
|         args = dict(fp=self.body, environ=safe_env, keep_blank_values=True)
 | |
| 
 | |
|         if py3k:
 | |
|             args['encoding'] = 'utf8'
 | |
|             post.recode_unicode = False
 | |
|         data = cgi.FieldStorage(**args)
 | |
|         self['_cgi.FieldStorage'] = data  #http://bugs.python.org/issue18394
 | |
|         data = data.list or []
 | |
|         for item in data:
 | |
|             if item.filename is None:
 | |
|                 post[item.name] = item.value
 | |
|             else:
 | |
|                 post[item.name] = FileUpload(item.file, item.name,
 | |
|                                              item.filename, item.headers)
 | |
|         return post
 | |
| 
 | |
|     @property
 | |
|     def url(self):
 | |
|         """ The full request URI including hostname and scheme. If your app
 | |
|             lives behind a reverse proxy or load balancer and you get confusing
 | |
|             results, make sure that the ``X-Forwarded-Host`` header is set
 | |
|             correctly. """
 | |
|         return self.urlparts.geturl()
 | |
| 
 | |
|     @DictProperty('environ', 'bottle.request.urlparts', read_only=True)
 | |
|     def urlparts(self):
 | |
|         """ The :attr:`url` string as an :class:`urlparse.SplitResult` tuple.
 | |
|             The tuple contains (scheme, host, path, query_string and fragment),
 | |
|             but the fragment is always empty because it is not visible to the
 | |
|             server. """
 | |
|         env = self.environ
 | |
|         http = env.get('HTTP_X_FORWARDED_PROTO') \
 | |
|              or env.get('wsgi.url_scheme', 'http')
 | |
|         host = env.get('HTTP_X_FORWARDED_HOST') or env.get('HTTP_HOST')
 | |
|         if not host:
 | |
|             # HTTP 1.1 requires a Host-header. This is for HTTP/1.0 clients.
 | |
|             host = env.get('SERVER_NAME', '127.0.0.1')
 | |
|             port = env.get('SERVER_PORT')
 | |
|             if port and port != ('80' if http == 'http' else '443'):
 | |
|                 host += ':' + port
 | |
|         path = urlquote(self.fullpath)
 | |
|         return UrlSplitResult(http, host, path, env.get('QUERY_STRING'), '')
 | |
| 
 | |
|     @property
 | |
|     def fullpath(self):
 | |
|         """ Request path including :attr:`script_name` (if present). """
 | |
|         return urljoin(self.script_name, self.path.lstrip('/'))
 | |
| 
 | |
|     @property
 | |
|     def query_string(self):
 | |
|         """ The raw :attr:`query` part of the URL (everything in between ``?``
 | |
|             and ``#``) as a string. """
 | |
|         return self.environ.get('QUERY_STRING', '')
 | |
| 
 | |
|     @property
 | |
|     def script_name(self):
 | |
|         """ The initial portion of the URL's `path` that was removed by a higher
 | |
|             level (server or routing middleware) before the application was
 | |
|             called. This script path is returned with leading and tailing
 | |
|             slashes. """
 | |
|         script_name = self.environ.get('SCRIPT_NAME', '').strip('/')
 | |
|         return '/' + script_name + '/' if script_name else '/'
 | |
| 
 | |
|     def path_shift(self, shift=1):
 | |
|         """ Shift path segments from :attr:`path` to :attr:`script_name` and
 | |
|             vice versa.
 | |
| 
 | |
|            :param shift: The number of path segments to shift. May be negative
 | |
|                          to change the shift direction. (default: 1)
 | |
|         """
 | |
|         script, path = path_shift(self.environ.get('SCRIPT_NAME', '/'), self.path, shift)
 | |
|         self['SCRIPT_NAME'], self['PATH_INFO'] = script, path
 | |
| 
 | |
|     @property
 | |
|     def content_length(self):
 | |
|         """ The request body length as an integer. The client is responsible to
 | |
|             set this header. Otherwise, the real length of the body is unknown
 | |
|             and -1 is returned. In this case, :attr:`body` will be empty. """
 | |
|         return int(self.environ.get('CONTENT_LENGTH') or -1)
 | |
| 
 | |
|     @property
 | |
|     def content_type(self):
 | |
|         """ The Content-Type header as a lowercase-string (default: empty). """
 | |
|         return self.environ.get('CONTENT_TYPE', '').lower()
 | |
| 
 | |
|     @property
 | |
|     def is_xhr(self):
 | |
|         """ True if the request was triggered by a XMLHttpRequest. This only
 | |
|             works with JavaScript libraries that support the `X-Requested-With`
 | |
|             header (most of the popular libraries do). """
 | |
|         requested_with = self.environ.get('HTTP_X_REQUESTED_WITH', '')
 | |
|         return requested_with.lower() == 'xmlhttprequest'
 | |
| 
 | |
|     @property
 | |
|     def is_ajax(self):
 | |
|         """ Alias for :attr:`is_xhr`. "Ajax" is not the right term. """
 | |
|         return self.is_xhr
 | |
| 
 | |
|     @property
 | |
|     def auth(self):
 | |
|         """ HTTP authentication data as a (user, password) tuple. This
 | |
|             implementation currently supports basic (not digest) authentication
 | |
|             only. If the authentication happened at a higher level (e.g. in the
 | |
|             front web-server or a middleware), the password field is None, but
 | |
|             the user field is looked up from the ``REMOTE_USER`` environ
 | |
|             variable. On any errors, None is returned. """
 | |
|         basic = parse_auth(self.environ.get('HTTP_AUTHORIZATION', ''))
 | |
|         if basic: return basic
 | |
|         ruser = self.environ.get('REMOTE_USER')
 | |
|         if ruser: return (ruser, None)
 | |
|         return None
 | |
| 
 | |
|     @property
 | |
|     def remote_route(self):
 | |
|         """ A list of all IPs that were involved in this request, starting with
 | |
|             the client IP and followed by zero or more proxies. This does only
 | |
|             work if all proxies support the ```X-Forwarded-For`` header. Note
 | |
|             that this information can be forged by malicious clients. """
 | |
|         proxy = self.environ.get('HTTP_X_FORWARDED_FOR')
 | |
|         if proxy: return [ip.strip() for ip in proxy.split(',')]
 | |
|         remote = self.environ.get('REMOTE_ADDR')
 | |
|         return [remote] if remote else []
 | |
| 
 | |
|     @property
 | |
|     def remote_addr(self):
 | |
|         """ The client IP as a string. Note that this information can be forged
 | |
|             by malicious clients. """
 | |
|         route = self.remote_route
 | |
|         return route[0] if route else None
 | |
| 
 | |
|     def copy(self):
 | |
|         """ Return a new :class:`Request` with a shallow :attr:`environ` copy. """
 | |
|         return Request(self.environ.copy())
 | |
| 
 | |
|     def get(self, value, default=None):
 | |
|         return self.environ.get(value, default)
 | |
| 
 | |
|     def __getitem__(self, key):
 | |
|         return self.environ[key]
 | |
| 
 | |
|     def __delitem__(self, key):
 | |
|         self[key] = ""
 | |
|         del (self.environ[key])
 | |
| 
 | |
|     def __iter__(self):
 | |
|         return iter(self.environ)
 | |
| 
 | |
|     def __len__(self):
 | |
|         return len(self.environ)
 | |
| 
 | |
|     def keys(self):
 | |
|         return self.environ.keys()
 | |
| 
 | |
|     def __setitem__(self, key, value):
 | |
|         """ Change an environ value and clear all caches that depend on it. """
 | |
| 
 | |
|         if self.environ.get('bottle.request.readonly'):
 | |
|             raise KeyError('The environ dictionary is read-only.')
 | |
| 
 | |
|         self.environ[key] = value
 | |
|         todelete = ()
 | |
| 
 | |
|         if key == 'wsgi.input':
 | |
|             todelete = ('body', 'forms', 'files', 'params', 'post', 'json')
 | |
|         elif key == 'QUERY_STRING':
 | |
|             todelete = ('query', 'params')
 | |
|         elif key.startswith('HTTP_'):
 | |
|             todelete = ('headers', 'cookies')
 | |
| 
 | |
|         for key in todelete:
 | |
|             self.environ.pop('bottle.request.' + key, None)
 | |
| 
 | |
|     def __repr__(self):
 | |
|         return '<%s: %s %s>' % (self.__class__.__name__, self.method, self.url)
 | |
| 
 | |
|     def __getattr__(self, name):
 | |
|         """ Search in self.environ for additional user defined attributes. """
 | |
|         try:
 | |
|             var = self.environ['bottle.request.ext.%s' % name]
 | |
|             return var.__get__(self) if hasattr(var, '__get__') else var
 | |
|         except KeyError:
 | |
|             raise AttributeError('Attribute %r not defined.' % name)
 | |
| 
 | |
|     def __setattr__(self, name, value):
 | |
|         if name == 'environ': return object.__setattr__(self, name, value)
 | |
|         key = 'bottle.request.ext.%s' % name
 | |
|         if hasattr(self, name):
 | |
|             raise AttributeError("Attribute already defined: %s" % name)
 | |
|         self.environ[key] = value
 | |
| 
 | |
|     def __delattr__(self, name):
 | |
|         try:
 | |
|             del self.environ['bottle.request.ext.%s' % name]
 | |
|         except KeyError:
 | |
|             raise AttributeError("Attribute not defined: %s" % name)
 | |
| 
 | |
| 
 | |
| def _hkey(key):
 | |
|     if '\n' in key or '\r' in key or '\0' in key:
 | |
|         raise ValueError("Header names must not contain control characters: %r" % key)
 | |
|     return key.title().replace('_', '-')
 | |
| 
 | |
| 
 | |
| def _hval(value):
 | |
|     value = tonat(value)
 | |
|     if '\n' in value or '\r' in value or '\0' in value:
 | |
|         raise ValueError("Header value must not contain control characters: %r" % value)
 | |
|     return value
 | |
| 
 | |
| 
 | |
| class HeaderProperty(object):
 | |
|     def __init__(self, name, reader=None, writer=None, default=''):
 | |
|         self.name, self.default = name, default
 | |
|         self.reader, self.writer = reader, writer
 | |
|         self.__doc__ = 'Current value of the %r header.' % name.title()
 | |
| 
 | |
|     def __get__(self, obj, _):
 | |
|         if obj is None: return self
 | |
|         value = obj.get_header(self.name, self.default)
 | |
|         return self.reader(value) if self.reader else value
 | |
| 
 | |
|     def __set__(self, obj, value):
 | |
|         obj[self.name] = self.writer(value) if self.writer else value
 | |
| 
 | |
|     def __delete__(self, obj):
 | |
|         del obj[self.name]
 | |
| 
 | |
| 
 | |
| class BaseResponse(object):
 | |
|     """ Storage class for a response body as well as headers and cookies.
 | |
| 
 | |
|         This class does support dict-like case-insensitive item-access to
 | |
|         headers, but is NOT a dict. Most notably, iterating over a response
 | |
|         yields parts of the body and not the headers.
 | |
| 
 | |
|         :param body: The response body as one of the supported types.
 | |
|         :param status: Either an HTTP status code (e.g. 200) or a status line
 | |
|                        including the reason phrase (e.g. '200 OK').
 | |
|         :param headers: A dictionary or a list of name-value pairs.
 | |
| 
 | |
|         Additional keyword arguments are added to the list of headers.
 | |
|         Underscores in the header name are replaced with dashes.
 | |
|     """
 | |
| 
 | |
|     default_status = 200
 | |
|     default_content_type = 'text/html; charset=UTF-8'
 | |
| 
 | |
|     # Header denylist for specific response codes
 | |
|     # (rfc2616 section 10.2.3 and 10.3.5)
 | |
|     bad_headers = {
 | |
|         204: frozenset(('Content-Type', 'Content-Length')),
 | |
|         304: frozenset(('Allow', 'Content-Encoding', 'Content-Language',
 | |
|                   'Content-Length', 'Content-Range', 'Content-Type',
 | |
|                   'Content-Md5', 'Last-Modified'))
 | |
|     }
 | |
| 
 | |
|     def __init__(self, body='', status=None, headers=None, **more_headers):
 | |
|         self._cookies = None
 | |
|         self._headers = {}
 | |
|         self.body = body
 | |
|         self.status = status or self.default_status
 | |
|         if headers:
 | |
|             if isinstance(headers, dict):
 | |
|                 headers = headers.items()
 | |
|             for name, value in headers:
 | |
|                 self.add_header(name, value)
 | |
|         if more_headers:
 | |
|             for name, value in more_headers.items():
 | |
|                 self.add_header(name, value)
 | |
| 
 | |
|     def copy(self, cls=None):
 | |
|         """ Returns a copy of self. """
 | |
|         cls = cls or BaseResponse
 | |
|         assert issubclass(cls, BaseResponse)
 | |
|         copy = cls()
 | |
|         copy.status = self.status
 | |
|         copy._headers = dict((k, v[:]) for (k, v) in self._headers.items())
 | |
|         if self._cookies:
 | |
|             cookies = copy._cookies = SimpleCookie()
 | |
|             for k,v in self._cookies.items():
 | |
|                 cookies[k] = v.value
 | |
|                 cookies[k].update(v) # also copy cookie attributes
 | |
|         return copy
 | |
| 
 | |
|     def __iter__(self):
 | |
|         return iter(self.body)
 | |
| 
 | |
|     def close(self):
 | |
|         if hasattr(self.body, 'close'):
 | |
|             self.body.close()
 | |
| 
 | |
|     @property
 | |
|     def status_line(self):
 | |
|         """ The HTTP status line as a string (e.g. ``404 Not Found``)."""
 | |
|         return self._status_line
 | |
| 
 | |
|     @property
 | |
|     def status_code(self):
 | |
|         """ The HTTP status code as an integer (e.g. 404)."""
 | |
|         return self._status_code
 | |
| 
 | |
|     def _set_status(self, status):
 | |
|         if isinstance(status, int):
 | |
|             code, status = status, _HTTP_STATUS_LINES.get(status)
 | |
|         elif ' ' in status:
 | |
|             if '\n' in status or '\r' in status or '\0' in status:
 | |
|                 raise ValueError('Status line must not include control chars.')
 | |
|             status = status.strip()
 | |
|             code = int(status.split()[0])
 | |
|         else:
 | |
|             raise ValueError('String status line without a reason phrase.')
 | |
|         if not 100 <= code <= 999:
 | |
|             raise ValueError('Status code out of range.')
 | |
|         self._status_code = code
 | |
|         self._status_line = str(status or ('%d Unknown' % code))
 | |
| 
 | |
|     def _get_status(self):
 | |
|         return self._status_line
 | |
| 
 | |
|     status = property(
 | |
|         _get_status, _set_status, None,
 | |
|         ''' A writeable property to change the HTTP response status. It accepts
 | |
|             either a numeric code (100-999) or a string with a custom reason
 | |
|             phrase (e.g. "404 Brain not found"). Both :data:`status_line` and
 | |
|             :data:`status_code` are updated accordingly. The return value is
 | |
|             always a status string. ''')
 | |
|     del _get_status, _set_status
 | |
| 
 | |
|     @property
 | |
|     def headers(self):
 | |
|         """ An instance of :class:`HeaderDict`, a case-insensitive dict-like
 | |
|             view on the response headers. """
 | |
|         hdict = HeaderDict()
 | |
|         hdict.dict = self._headers
 | |
|         return hdict
 | |
| 
 | |
|     def __contains__(self, name):
 | |
|         return _hkey(name) in self._headers
 | |
| 
 | |
|     def __delitem__(self, name):
 | |
|         del self._headers[_hkey(name)]
 | |
| 
 | |
|     def __getitem__(self, name):
 | |
|         return self._headers[_hkey(name)][-1]
 | |
| 
 | |
|     def __setitem__(self, name, value):
 | |
|         self._headers[_hkey(name)] = [_hval(value)]
 | |
| 
 | |
|     def get_header(self, name, default=None):
 | |
|         """ Return the value of a previously defined header. If there is no
 | |
|             header with that name, return a default value. """
 | |
|         return self._headers.get(_hkey(name), [default])[-1]
 | |
| 
 | |
|     def set_header(self, name, value):
 | |
|         """ Create a new response header, replacing any previously defined
 | |
|             headers with the same name. """
 | |
|         self._headers[_hkey(name)] = [_hval(value)]
 | |
| 
 | |
|     def add_header(self, name, value):
 | |
|         """ Add an additional response header, not removing duplicates. """
 | |
|         self._headers.setdefault(_hkey(name), []).append(_hval(value))
 | |
| 
 | |
|     def iter_headers(self):
 | |
|         """ Yield (header, value) tuples, skipping headers that are not
 | |
|             allowed with the current response status code. """
 | |
|         return self.headerlist
 | |
| 
 | |
|     def _wsgi_status_line(self):
 | |
|         """ WSGI conform status line (latin1-encodeable) """
 | |
|         if py3k:
 | |
|             return self._status_line.encode('utf8').decode('latin1')
 | |
|         return self._status_line
 | |
| 
 | |
|     @property
 | |
|     def headerlist(self):
 | |
|         """ WSGI conform list of (header, value) tuples. """
 | |
|         out = []
 | |
|         headers = list(self._headers.items())
 | |
|         if 'Content-Type' not in self._headers:
 | |
|             headers.append(('Content-Type', [self.default_content_type]))
 | |
|         if self._status_code in self.bad_headers:
 | |
|             bad_headers = self.bad_headers[self._status_code]
 | |
|             headers = [h for h in headers if h[0] not in bad_headers]
 | |
|         out += [(name, val) for (name, vals) in headers for val in vals]
 | |
|         if self._cookies:
 | |
|             for c in self._cookies.values():
 | |
|                 out.append(('Set-Cookie', _hval(c.OutputString())))
 | |
|         if py3k:
 | |
|             out = [(k, v.encode('utf8').decode('latin1')) for (k, v) in out]
 | |
|         return out
 | |
| 
 | |
|     content_type = HeaderProperty('Content-Type')
 | |
|     content_length = HeaderProperty('Content-Length', reader=int, default=-1)
 | |
|     expires = HeaderProperty(
 | |
|         'Expires',
 | |
|         reader=lambda x: datetime.utcfromtimestamp(parse_date(x)),
 | |
|         writer=lambda x: http_date(x))
 | |
| 
 | |
|     @property
 | |
|     def charset(self, default='UTF-8'):
 | |
|         """ Return the charset specified in the content-type header (default: utf8). """
 | |
|         if 'charset=' in self.content_type:
 | |
|             return self.content_type.split('charset=')[-1].split(';')[0].strip()
 | |
|         return default
 | |
| 
 | |
|     def set_cookie(self, name, value, secret=None, digestmod=hashlib.sha256, **options):
 | |
|         """ Create a new cookie or replace an old one. If the `secret` parameter is
 | |
|             set, create a `Signed Cookie` (described below).
 | |
| 
 | |
|             :param name: the name of the cookie.
 | |
|             :param value: the value of the cookie.
 | |
|             :param secret: a signature key required for signed cookies.
 | |
| 
 | |
|             Additionally, this method accepts all RFC 2109 attributes that are
 | |
|             supported by :class:`cookie.Morsel`, including:
 | |
| 
 | |
|             :param maxage: maximum age in seconds. (default: None)
 | |
|             :param expires: a datetime object or UNIX timestamp. (default: None)
 | |
|             :param domain: the domain that is allowed to read the cookie.
 | |
|               (default: current domain)
 | |
|             :param path: limits the cookie to a given path (default: current path)
 | |
|             :param secure: limit the cookie to HTTPS connections (default: off).
 | |
|             :param httponly: prevents client-side javascript to read this cookie
 | |
|               (default: off, requires Python 2.6 or newer).
 | |
|             :param samesite: Control or disable third-party use for this cookie.
 | |
|               Possible values: `lax`, `strict` or `none` (default).
 | |
| 
 | |
|             If neither `expires` nor `maxage` is set (default), the cookie will
 | |
|             expire at the end of the browser session (as soon as the browser
 | |
|             window is closed).
 | |
| 
 | |
|             Signed cookies may store any pickle-able object and are
 | |
|             cryptographically signed to prevent manipulation. Keep in mind that
 | |
|             cookies are limited to 4kb in most browsers.
 | |
| 
 | |
|             Warning: Pickle is a potentially dangerous format. If an attacker
 | |
|             gains access to the secret key, he could forge cookies that execute
 | |
|             code on server side if unpickled. Using pickle is discouraged and
 | |
|             support for it will be removed in later versions of bottle.
 | |
| 
 | |
|             Warning: Signed cookies are not encrypted (the client can still see
 | |
|             the content) and not copy-protected (the client can restore an old
 | |
|             cookie). The main intention is to make pickling and unpickling
 | |
|             save, not to store secret information at client side.
 | |
|         """
 | |
|         if not self._cookies:
 | |
|             self._cookies = SimpleCookie()
 | |
| 
 | |
|         # Monkey-patch Cookie lib to support 'SameSite' parameter
 | |
|         # https://tools.ietf.org/html/draft-west-first-party-cookies-07#section-4.1
 | |
|         if py < (3, 8, 0):
 | |
|             Morsel._reserved.setdefault('samesite', 'SameSite')
 | |
| 
 | |
|         if secret:
 | |
|             if not isinstance(value, basestring):
 | |
|                 depr(0, 13, "Pickling of arbitrary objects into cookies is "
 | |
|                             "deprecated.", "Only store strings in cookies. "
 | |
|                             "JSON strings are fine, too.")
 | |
|             encoded = base64.b64encode(pickle.dumps([name, value], -1))
 | |
|             sig = base64.b64encode(hmac.new(tob(secret), encoded,
 | |
|                                             digestmod=digestmod).digest())
 | |
|             value = touni(tob('!') + sig + tob('?') + encoded)
 | |
|         elif not isinstance(value, basestring):
 | |
|             raise TypeError('Secret key required for non-string cookies.')
 | |
| 
 | |
|         # Cookie size plus options must not exceed 4kb.
 | |
|         if len(name) + len(value) > 3800:
 | |
|             raise ValueError('Content does not fit into a cookie.')
 | |
| 
 | |
|         self._cookies[name] = value
 | |
| 
 | |
|         for key, value in options.items():
 | |
|             if key in ('max_age', 'maxage'): # 'maxage' variant added in 0.13
 | |
|                 key = 'max-age'
 | |
|                 if isinstance(value, timedelta):
 | |
|                     value = value.seconds + value.days * 24 * 3600
 | |
|             if key == 'expires':
 | |
|                 value = http_date(value)
 | |
|             if key in ('same_site', 'samesite'): # 'samesite' variant added in 0.13
 | |
|                 key, value = 'samesite', (value or "none").lower()
 | |
|                 if value not in ('lax', 'strict', 'none'):
 | |
|                     raise CookieError("Invalid value for SameSite")
 | |
|             if key in ('secure', 'httponly') and not value:
 | |
|                 continue
 | |
|             self._cookies[name][key] = value
 | |
| 
 | |
|     def delete_cookie(self, key, **kwargs):
 | |
|         """ Delete a cookie. Be sure to use the same `domain` and `path`
 | |
|             settings as used to create the cookie. """
 | |
|         kwargs['max_age'] = -1
 | |
|         kwargs['expires'] = 0
 | |
|         self.set_cookie(key, '', **kwargs)
 | |
| 
 | |
|     def __repr__(self):
 | |
|         out = ''
 | |
|         for name, value in self.headerlist:
 | |
|             out += '%s: %s\n' % (name.title(), value.strip())
 | |
|         return out
 | |
| 
 | |
| 
 | |
| def _local_property():
 | |
|     ls = threading.local()
 | |
| 
 | |
|     def fget(_):
 | |
|         try:
 | |
|             return ls.var
 | |
|         except AttributeError:
 | |
|             raise RuntimeError("Request context not initialized.")
 | |
| 
 | |
|     def fset(_, value):
 | |
|         ls.var = value
 | |
| 
 | |
|     def fdel(_):
 | |
|         del ls.var
 | |
| 
 | |
|     return property(fget, fset, fdel, 'Thread-local property')
 | |
| 
 | |
| 
 | |
| class LocalRequest(BaseRequest):
 | |
|     """ A thread-local subclass of :class:`BaseRequest` with a different
 | |
|         set of attributes for each thread. There is usually only one global
 | |
|         instance of this class (:data:`request`). If accessed during a
 | |
|         request/response cycle, this instance always refers to the *current*
 | |
|         request (even on a multithreaded server). """
 | |
|     bind = BaseRequest.__init__
 | |
|     environ = _local_property()
 | |
| 
 | |
| 
 | |
| class LocalResponse(BaseResponse):
 | |
|     """ A thread-local subclass of :class:`BaseResponse` with a different
 | |
|         set of attributes for each thread. There is usually only one global
 | |
|         instance of this class (:data:`response`). Its attributes are used
 | |
|         to build the HTTP response at the end of the request/response cycle.
 | |
|     """
 | |
|     bind = BaseResponse.__init__
 | |
|     _status_line = _local_property()
 | |
|     _status_code = _local_property()
 | |
|     _cookies = _local_property()
 | |
|     _headers = _local_property()
 | |
|     body = _local_property()
 | |
| 
 | |
| 
 | |
| Request = BaseRequest
 | |
| Response = BaseResponse
 | |
| 
 | |
| 
 | |
| class HTTPResponse(Response, BottleException):
 | |
|     def __init__(self, body='', status=None, headers=None, **more_headers):
 | |
|         super(HTTPResponse, self).__init__(body, status, headers, **more_headers)
 | |
| 
 | |
|     def apply(self, other):
 | |
|         other._status_code = self._status_code
 | |
|         other._status_line = self._status_line
 | |
|         other._headers = self._headers
 | |
|         other._cookies = self._cookies
 | |
|         other.body = self.body
 | |
| 
 | |
| 
 | |
| class HTTPError(HTTPResponse):
 | |
|     default_status = 500
 | |
| 
 | |
|     def __init__(self,
 | |
|                  status=None,
 | |
|                  body=None,
 | |
|                  exception=None,
 | |
|                  traceback=None, **more_headers):
 | |
|         self.exception = exception
 | |
|         self.traceback = traceback
 | |
|         super(HTTPError, self).__init__(body, status, **more_headers)
 | |
| 
 | |
| ###############################################################################
 | |
| # Plugins ######################################################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| class PluginError(BottleException):
 | |
|     pass
 | |
| 
 | |
| 
 | |
| class JSONPlugin(object):
 | |
|     name = 'json'
 | |
|     api = 2
 | |
| 
 | |
|     def __init__(self, json_dumps=json_dumps):
 | |
|         self.json_dumps = json_dumps
 | |
| 
 | |
|     def setup(self, app):
 | |
|         app.config._define('json.enable', default=True, validate=bool,
 | |
|                           help="Enable or disable automatic dict->json filter.")
 | |
|         app.config._define('json.ascii', default=False, validate=bool,
 | |
|                           help="Use only 7-bit ASCII characters in output.")
 | |
|         app.config._define('json.indent', default=True, validate=bool,
 | |
|                           help="Add whitespace to make json more readable.")
 | |
|         app.config._define('json.dump_func', default=None,
 | |
|                           help="If defined, use this function to transform"
 | |
|                                " dict into json. The other options no longer"
 | |
|                                " apply.")
 | |
| 
 | |
|     def apply(self, callback, route):
 | |
|         dumps = self.json_dumps
 | |
|         if not self.json_dumps: return callback
 | |
| 
 | |
|         def wrapper(*a, **ka):
 | |
|             try:
 | |
|                 rv = callback(*a, **ka)
 | |
|             except HTTPResponse as resp:
 | |
|                 rv = resp
 | |
| 
 | |
|             if isinstance(rv, dict):
 | |
|                 #Attempt to serialize, raises exception on failure
 | |
|                 json_response = dumps(rv)
 | |
|                 #Set content type only if serialization successful
 | |
|                 response.content_type = 'application/json'
 | |
|                 return json_response
 | |
|             elif isinstance(rv, HTTPResponse) and isinstance(rv.body, dict):
 | |
|                 rv.body = dumps(rv.body)
 | |
|                 rv.content_type = 'application/json'
 | |
|             return rv
 | |
| 
 | |
|         return wrapper
 | |
| 
 | |
| 
 | |
| class TemplatePlugin(object):
 | |
|     """ This plugin applies the :func:`view` decorator to all routes with a
 | |
|         `template` config parameter. If the parameter is a tuple, the second
 | |
|         element must be a dict with additional options (e.g. `template_engine`)
 | |
|         or default variables for the template. """
 | |
|     name = 'template'
 | |
|     api = 2
 | |
| 
 | |
|     def setup(self, app):
 | |
|         app.tpl = self
 | |
| 
 | |
|     def apply(self, callback, route):
 | |
|         conf = route.config.get('template')
 | |
|         if isinstance(conf, (tuple, list)) and len(conf) == 2:
 | |
|             return view(conf[0], **conf[1])(callback)
 | |
|         elif isinstance(conf, str):
 | |
|             return view(conf)(callback)
 | |
|         else:
 | |
|             return callback
 | |
| 
 | |
| 
 | |
| #: Not a plugin, but part of the plugin API. TODO: Find a better place.
 | |
| class _ImportRedirect(object):
 | |
|     def __init__(self, name, impmask):
 | |
|         """ Create a virtual package that redirects imports (see PEP 302). """
 | |
|         self.name = name
 | |
|         self.impmask = impmask
 | |
|         self.module = sys.modules.setdefault(name, imp.new_module(name))
 | |
|         self.module.__dict__.update({
 | |
|             '__file__': __file__,
 | |
|             '__path__': [],
 | |
|             '__all__': [],
 | |
|             '__loader__': self
 | |
|         })
 | |
|         sys.meta_path.append(self)
 | |
| 
 | |
|     def find_module(self, fullname, path=None):
 | |
|         if '.' not in fullname: return
 | |
|         packname = fullname.rsplit('.', 1)[0]
 | |
|         if packname != self.name: return
 | |
|         return self
 | |
| 
 | |
|     def load_module(self, fullname):
 | |
|         if fullname in sys.modules: return sys.modules[fullname]
 | |
|         modname = fullname.rsplit('.', 1)[1]
 | |
|         realname = self.impmask % modname
 | |
|         __import__(realname)
 | |
|         module = sys.modules[fullname] = sys.modules[realname]
 | |
|         setattr(self.module, modname, module)
 | |
|         module.__loader__ = self
 | |
|         return module
 | |
| 
 | |
| ###############################################################################
 | |
| # Common Utilities #############################################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| class MultiDict(DictMixin):
 | |
|     """ This dict stores multiple values per key, but behaves exactly like a
 | |
|         normal dict in that it returns only the newest value for any given key.
 | |
|         There are special methods available to access the full list of values.
 | |
|     """
 | |
| 
 | |
|     def __init__(self, *a, **k):
 | |
|         self.dict = dict((k, [v]) for (k, v) in dict(*a, **k).items())
 | |
| 
 | |
|     def __len__(self):
 | |
|         return len(self.dict)
 | |
| 
 | |
|     def __iter__(self):
 | |
|         return iter(self.dict)
 | |
| 
 | |
|     def __contains__(self, key):
 | |
|         return key in self.dict
 | |
| 
 | |
|     def __delitem__(self, key):
 | |
|         del self.dict[key]
 | |
| 
 | |
|     def __getitem__(self, key):
 | |
|         return self.dict[key][-1]
 | |
| 
 | |
|     def __setitem__(self, key, value):
 | |
|         self.append(key, value)
 | |
| 
 | |
|     def keys(self):
 | |
|         return self.dict.keys()
 | |
| 
 | |
|     if py3k:
 | |
| 
 | |
|         def values(self):
 | |
|             return (v[-1] for v in self.dict.values())
 | |
| 
 | |
|         def items(self):
 | |
|             return ((k, v[-1]) for k, v in self.dict.items())
 | |
| 
 | |
|         def allitems(self):
 | |
|             return ((k, v) for k, vl in self.dict.items() for v in vl)
 | |
| 
 | |
|         iterkeys = keys
 | |
|         itervalues = values
 | |
|         iteritems = items
 | |
|         iterallitems = allitems
 | |
| 
 | |
|     else:
 | |
| 
 | |
|         def values(self):
 | |
|             return [v[-1] for v in self.dict.values()]
 | |
| 
 | |
|         def items(self):
 | |
|             return [(k, v[-1]) for k, v in self.dict.items()]
 | |
| 
 | |
|         def iterkeys(self):
 | |
|             return self.dict.iterkeys()
 | |
| 
 | |
|         def itervalues(self):
 | |
|             return (v[-1] for v in self.dict.itervalues())
 | |
| 
 | |
|         def iteritems(self):
 | |
|             return ((k, v[-1]) for k, v in self.dict.iteritems())
 | |
| 
 | |
|         def iterallitems(self):
 | |
|             return ((k, v) for k, vl in self.dict.iteritems() for v in vl)
 | |
| 
 | |
|         def allitems(self):
 | |
|             return [(k, v) for k, vl in self.dict.iteritems() for v in vl]
 | |
| 
 | |
|     def get(self, key, default=None, index=-1, type=None):
 | |
|         """ Return the most recent value for a key.
 | |
| 
 | |
|             :param default: The default value to be returned if the key is not
 | |
|                    present or the type conversion fails.
 | |
|             :param index: An index for the list of available values.
 | |
|             :param type: If defined, this callable is used to cast the value
 | |
|                     into a specific type. Exception are suppressed and result in
 | |
|                     the default value to be returned.
 | |
|         """
 | |
|         try:
 | |
|             val = self.dict[key][index]
 | |
|             return type(val) if type else val
 | |
|         except Exception:
 | |
|             pass
 | |
|         return default
 | |
| 
 | |
|     def append(self, key, value):
 | |
|         """ Add a new value to the list of values for this key. """
 | |
|         self.dict.setdefault(key, []).append(value)
 | |
| 
 | |
|     def replace(self, key, value):
 | |
|         """ Replace the list of values with a single value. """
 | |
|         self.dict[key] = [value]
 | |
| 
 | |
|     def getall(self, key):
 | |
|         """ Return a (possibly empty) list of values for a key. """
 | |
|         return self.dict.get(key) or []
 | |
| 
 | |
|     #: Aliases for WTForms to mimic other multi-dict APIs (Django)
 | |
|     getone = get
 | |
|     getlist = getall
 | |
| 
 | |
| 
 | |
| class FormsDict(MultiDict):
 | |
|     """ This :class:`MultiDict` subclass is used to store request form data.
 | |
|         Additionally to the normal dict-like item access methods (which return
 | |
|         unmodified data as native strings), this container also supports
 | |
|         attribute-like access to its values. Attributes are automatically de-
 | |
|         or recoded to match :attr:`input_encoding` (default: 'utf8'). Missing
 | |
|         attributes default to an empty string. """
 | |
| 
 | |
|     #: Encoding used for attribute values.
 | |
|     input_encoding = 'utf8'
 | |
|     #: If true (default), unicode strings are first encoded with `latin1`
 | |
|     #: and then decoded to match :attr:`input_encoding`.
 | |
|     recode_unicode = True
 | |
| 
 | |
|     def _fix(self, s, encoding=None):
 | |
|         if isinstance(s, unicode) and self.recode_unicode:  # Python 3 WSGI
 | |
|             return s.encode('latin1').decode(encoding or self.input_encoding)
 | |
|         elif isinstance(s, bytes):  # Python 2 WSGI
 | |
|             return s.decode(encoding or self.input_encoding)
 | |
|         else:
 | |
|             return s
 | |
| 
 | |
|     def decode(self, encoding=None):
 | |
|         """ Returns a copy with all keys and values de- or recoded to match
 | |
|             :attr:`input_encoding`. Some libraries (e.g. WTForms) want a
 | |
|             unicode dictionary. """
 | |
|         copy = FormsDict()
 | |
|         enc = copy.input_encoding = encoding or self.input_encoding
 | |
|         copy.recode_unicode = False
 | |
|         for key, value in self.allitems():
 | |
|             copy.append(self._fix(key, enc), self._fix(value, enc))
 | |
|         return copy
 | |
| 
 | |
|     def getunicode(self, name, default=None, encoding=None):
 | |
|         """ Return the value as a unicode string, or the default. """
 | |
|         try:
 | |
|             return self._fix(self[name], encoding)
 | |
|         except (UnicodeError, KeyError):
 | |
|             return default
 | |
| 
 | |
|     def __getattr__(self, name, default=unicode()):
 | |
|         # Without this guard, pickle generates a cryptic TypeError:
 | |
|         if name.startswith('__') and name.endswith('__'):
 | |
|             return super(FormsDict, self).__getattr__(name)
 | |
|         return self.getunicode(name, default=default)
 | |
| 
 | |
| class HeaderDict(MultiDict):
 | |
|     """ A case-insensitive version of :class:`MultiDict` that defaults to
 | |
|         replace the old value instead of appending it. """
 | |
| 
 | |
|     def __init__(self, *a, **ka):
 | |
|         self.dict = {}
 | |
|         if a or ka: self.update(*a, **ka)
 | |
| 
 | |
|     def __contains__(self, key):
 | |
|         return _hkey(key) in self.dict
 | |
| 
 | |
|     def __delitem__(self, key):
 | |
|         del self.dict[_hkey(key)]
 | |
| 
 | |
|     def __getitem__(self, key):
 | |
|         return self.dict[_hkey(key)][-1]
 | |
| 
 | |
|     def __setitem__(self, key, value):
 | |
|         self.dict[_hkey(key)] = [_hval(value)]
 | |
| 
 | |
|     def append(self, key, value):
 | |
|         self.dict.setdefault(_hkey(key), []).append(_hval(value))
 | |
| 
 | |
|     def replace(self, key, value):
 | |
|         self.dict[_hkey(key)] = [_hval(value)]
 | |
| 
 | |
|     def getall(self, key):
 | |
|         return self.dict.get(_hkey(key)) or []
 | |
| 
 | |
|     def get(self, key, default=None, index=-1):
 | |
|         return MultiDict.get(self, _hkey(key), default, index)
 | |
| 
 | |
|     def filter(self, names):
 | |
|         for name in (_hkey(n) for n in names):
 | |
|             if name in self.dict:
 | |
|                 del self.dict[name]
 | |
| 
 | |
| 
 | |
| class WSGIHeaderDict(DictMixin):
 | |
|     """ This dict-like class wraps a WSGI environ dict and provides convenient
 | |
|         access to HTTP_* fields. Keys and values are native strings
 | |
|         (2.x bytes or 3.x unicode) and keys are case-insensitive. If the WSGI
 | |
|         environment contains non-native string values, these are de- or encoded
 | |
|         using a lossless 'latin1' character set.
 | |
| 
 | |
|         The API will remain stable even on changes to the relevant PEPs.
 | |
|         Currently PEP 333, 444 and 3333 are supported. (PEP 444 is the only one
 | |
|         that uses non-native strings.)
 | |
|     """
 | |
|     #: List of keys that do not have a ``HTTP_`` prefix.
 | |
|     cgikeys = ('CONTENT_TYPE', 'CONTENT_LENGTH')
 | |
| 
 | |
|     def __init__(self, environ):
 | |
|         self.environ = environ
 | |
| 
 | |
|     def _ekey(self, key):
 | |
|         """ Translate header field name to CGI/WSGI environ key. """
 | |
|         key = key.replace('-', '_').upper()
 | |
|         if key in self.cgikeys:
 | |
|             return key
 | |
|         return 'HTTP_' + key
 | |
| 
 | |
|     def raw(self, key, default=None):
 | |
|         """ Return the header value as is (may be bytes or unicode). """
 | |
|         return self.environ.get(self._ekey(key), default)
 | |
| 
 | |
|     def __getitem__(self, key):
 | |
|         val = self.environ[self._ekey(key)]
 | |
|         if py3k:
 | |
|             if isinstance(val, unicode):
 | |
|                 val = val.encode('latin1').decode('utf8')
 | |
|             else:
 | |
|                 val = val.decode('utf8')
 | |
|         return val
 | |
| 
 | |
|     def __setitem__(self, key, value):
 | |
|         raise TypeError("%s is read-only." % self.__class__)
 | |
| 
 | |
|     def __delitem__(self, key):
 | |
|         raise TypeError("%s is read-only." % self.__class__)
 | |
| 
 | |
|     def __iter__(self):
 | |
|         for key in self.environ:
 | |
|             if key[:5] == 'HTTP_':
 | |
|                 yield _hkey(key[5:])
 | |
|             elif key in self.cgikeys:
 | |
|                 yield _hkey(key)
 | |
| 
 | |
|     def keys(self):
 | |
|         return [x for x in self]
 | |
| 
 | |
|     def __len__(self):
 | |
|         return len(self.keys())
 | |
| 
 | |
|     def __contains__(self, key):
 | |
|         return self._ekey(key) in self.environ
 | |
| 
 | |
| _UNSET = object()
 | |
| 
 | |
| class ConfigDict(dict):
 | |
|     """ A dict-like configuration storage with additional support for
 | |
|         namespaces, validators, meta-data, overlays and more.
 | |
| 
 | |
|         This dict-like class is heavily optimized for read access. All read-only
 | |
|         methods as well as item access should be as fast as the built-in dict.
 | |
|     """
 | |
| 
 | |
|     __slots__ = ('_meta', '_change_listener', '_overlays', '_virtual_keys', '_source', '__weakref__')
 | |
| 
 | |
|     def __init__(self):
 | |
|         self._meta = {}
 | |
|         self._change_listener = []
 | |
|         #: Weak references of overlays that need to be kept in sync.
 | |
|         self._overlays = []
 | |
|         #: Config that is the source for this overlay.
 | |
|         self._source = None
 | |
|         #: Keys of values copied from the source (values we do not own)
 | |
|         self._virtual_keys = set()
 | |
| 
 | |
|     def load_module(self, path, squash=True):
 | |
|         """Load values from a Python module.
 | |
| 
 | |
|            Example modue ``config.py``::
 | |
| 
 | |
|                 DEBUG = True
 | |
|                 SQLITE = {
 | |
|                     "db": ":memory:"
 | |
|                 }
 | |
| 
 | |
| 
 | |
|            >>> c = ConfigDict()
 | |
|            >>> c.load_module('config')
 | |
|            {DEBUG: True, 'SQLITE.DB': 'memory'}
 | |
|            >>> c.load_module("config", False)
 | |
|            {'DEBUG': True, 'SQLITE': {'DB': 'memory'}}
 | |
| 
 | |
|            :param squash: If true (default), dictionary values are assumed to
 | |
|                           represent namespaces (see :meth:`load_dict`).
 | |
|         """
 | |
|         config_obj = load(path)
 | |
|         obj = {key: getattr(config_obj, key) for key in dir(config_obj)
 | |
|                if key.isupper()}
 | |
| 
 | |
|         if squash:
 | |
|             self.load_dict(obj)
 | |
|         else:
 | |
|             self.update(obj)
 | |
|         return self
 | |
| 
 | |
|     def load_config(self, filename, **options):
 | |
|         """ Load values from an ``*.ini`` style config file.
 | |
| 
 | |
|             A configuration file consists of sections, each led by a
 | |
|             ``[section]`` header, followed by key/value entries separated by
 | |
|             either ``=`` or ``:``. Section names and keys are case-insensitive.
 | |
|             Leading and trailing whitespace is removed from keys and values.
 | |
|             Values can be omitted, in which case the key/value delimiter may
 | |
|             also be left out. Values can also span multiple lines, as long as
 | |
|             they are indented deeper than the first line of the value. Commands
 | |
|             are prefixed by ``#`` or ``;`` and may only appear on their own on
 | |
|             an otherwise empty line.
 | |
| 
 | |
|             Both section and key names may contain dots (``.``) as namespace
 | |
|             separators. The actual configuration parameter name is constructed
 | |
|             by joining section name and key name together and converting to
 | |
|             lower case.
 | |
| 
 | |
|             The special sections ``bottle`` and ``ROOT`` refer to the root
 | |
|             namespace and the ``DEFAULT`` section defines default values for all
 | |
|             other sections.
 | |
| 
 | |
|             With Python 3, extended string interpolation is enabled.
 | |
| 
 | |
|             :param filename: The path of a config file, or a list of paths.
 | |
|             :param options: All keyword parameters are passed to the underlying
 | |
|                 :class:`python:configparser.ConfigParser` constructor call.
 | |
| 
 | |
|         """
 | |
|         options.setdefault('allow_no_value', True)
 | |
|         if py3k:
 | |
|             options.setdefault('interpolation',
 | |
|                                configparser.ExtendedInterpolation())
 | |
|         conf = configparser.ConfigParser(**options)
 | |
|         conf.read(filename)
 | |
|         for section in conf.sections():
 | |
|             for key in conf.options(section):
 | |
|                 value = conf.get(section, key)
 | |
|                 if section not in ('bottle', 'ROOT'):
 | |
|                     key = section + '.' + key
 | |
|                 self[key.lower()] = value
 | |
|         return self
 | |
| 
 | |
|     def load_dict(self, source, namespace=''):
 | |
|         """ Load values from a dictionary structure. Nesting can be used to
 | |
|             represent namespaces.
 | |
| 
 | |
|             >>> c = ConfigDict()
 | |
|             >>> c.load_dict({'some': {'namespace': {'key': 'value'} } })
 | |
|             {'some.namespace.key': 'value'}
 | |
|         """
 | |
|         for key, value in source.items():
 | |
|             if isinstance(key, basestring):
 | |
|                 nskey = (namespace + '.' + key).strip('.')
 | |
|                 if isinstance(value, dict):
 | |
|                     self.load_dict(value, namespace=nskey)
 | |
|                 else:
 | |
|                     self[nskey] = value
 | |
|             else:
 | |
|                 raise TypeError('Key has type %r (not a string)' % type(key))
 | |
|         return self
 | |
| 
 | |
|     def update(self, *a, **ka):
 | |
|         """ If the first parameter is a string, all keys are prefixed with this
 | |
|             namespace. Apart from that it works just as the usual dict.update().
 | |
| 
 | |
|             >>> c = ConfigDict()
 | |
|             >>> c.update('some.namespace', key='value')
 | |
|         """
 | |
|         prefix = ''
 | |
|         if a and isinstance(a[0], basestring):
 | |
|             prefix = a[0].strip('.') + '.'
 | |
|             a = a[1:]
 | |
|         for key, value in dict(*a, **ka).items():
 | |
|             self[prefix + key] = value
 | |
| 
 | |
|     def setdefault(self, key, value):
 | |
|         if key not in self:
 | |
|             self[key] = value
 | |
|         return self[key]
 | |
| 
 | |
|     def __setitem__(self, key, value):
 | |
|         if not isinstance(key, basestring):
 | |
|             raise TypeError('Key has type %r (not a string)' % type(key))
 | |
| 
 | |
|         self._virtual_keys.discard(key)
 | |
| 
 | |
|         value = self.meta_get(key, 'filter', lambda x: x)(value)
 | |
|         if key in self and self[key] is value:
 | |
|             return
 | |
| 
 | |
|         self._on_change(key, value)
 | |
|         dict.__setitem__(self, key, value)
 | |
| 
 | |
|         for overlay in self._iter_overlays():
 | |
|             overlay._set_virtual(key, value)
 | |
| 
 | |
|     def __delitem__(self, key):
 | |
|         if key not in self:
 | |
|             raise KeyError(key)
 | |
|         if key in self._virtual_keys:
 | |
|             raise KeyError("Virtual keys cannot be deleted: %s" % key)
 | |
| 
 | |
|         if self._source and key in self._source:
 | |
|             # Not virtual, but present in source -> Restore virtual value
 | |
|             dict.__delitem__(self, key)
 | |
|             self._set_virtual(key, self._source[key])
 | |
|         else:  # not virtual, not present in source. This is OUR value
 | |
|             self._on_change(key, None)
 | |
|             dict.__delitem__(self, key)
 | |
|             for overlay in self._iter_overlays():
 | |
|                 overlay._delete_virtual(key)
 | |
| 
 | |
|     def _set_virtual(self, key, value):
 | |
|         """ Recursively set or update virtual keys. Do nothing if non-virtual
 | |
|             value is present. """
 | |
|         if key in self and key not in self._virtual_keys:
 | |
|             return  # Do nothing for non-virtual keys.
 | |
| 
 | |
|         self._virtual_keys.add(key)
 | |
|         if key in self and self[key] is not value:
 | |
|             self._on_change(key, value)
 | |
|         dict.__setitem__(self, key, value)
 | |
|         for overlay in self._iter_overlays():
 | |
|             overlay._set_virtual(key, value)
 | |
| 
 | |
|     def _delete_virtual(self, key):
 | |
|         """ Recursively delete virtual entry. Do nothing if key is not virtual.
 | |
|         """
 | |
|         if key not in self._virtual_keys:
 | |
|             return  # Do nothing for non-virtual keys.
 | |
| 
 | |
|         if key in self:
 | |
|             self._on_change(key, None)
 | |
|         dict.__delitem__(self, key)
 | |
|         self._virtual_keys.discard(key)
 | |
|         for overlay in self._iter_overlays():
 | |
|             overlay._delete_virtual(key)
 | |
| 
 | |
|     def _on_change(self, key, value):
 | |
|         for cb in self._change_listener:
 | |
|             if cb(self, key, value):
 | |
|                 return True
 | |
| 
 | |
|     def _add_change_listener(self, func):
 | |
|         self._change_listener.append(func)
 | |
|         return func
 | |
| 
 | |
|     def meta_get(self, key, metafield, default=None):
 | |
|         """ Return the value of a meta field for a key. """
 | |
|         return self._meta.get(key, {}).get(metafield, default)
 | |
| 
 | |
|     def meta_set(self, key, metafield, value):
 | |
|         """ Set the meta field for a key to a new value. """
 | |
|         self._meta.setdefault(key, {})[metafield] = value
 | |
| 
 | |
|     def meta_list(self, key):
 | |
|         """ Return an iterable of meta field names defined for a key. """
 | |
|         return self._meta.get(key, {}).keys()
 | |
| 
 | |
|     def _define(self, key, default=_UNSET, help=_UNSET, validate=_UNSET):
 | |
|         """ (Unstable) Shortcut for plugins to define own config parameters. """
 | |
|         if default is not _UNSET:
 | |
|             self.setdefault(key, default)
 | |
|         if help is not _UNSET:
 | |
|             self.meta_set(key, 'help', help)
 | |
|         if validate is not _UNSET:
 | |
|             self.meta_set(key, 'validate', validate)
 | |
| 
 | |
|     def _iter_overlays(self):
 | |
|         for ref in self._overlays:
 | |
|             overlay = ref()
 | |
|             if overlay is not None:
 | |
|                 yield overlay
 | |
| 
 | |
|     def _make_overlay(self):
 | |
|         """ (Unstable) Create a new overlay that acts like a chained map: Values
 | |
|             missing in the overlay are copied from the source map. Both maps
 | |
|             share the same meta entries.
 | |
| 
 | |
|             Entries that were copied from the source are called 'virtual'. You
 | |
|             can not delete virtual keys, but overwrite them, which turns them
 | |
|             into non-virtual entries. Setting keys on an overlay never affects
 | |
|             its source, but may affect any number of child overlays.
 | |
| 
 | |
|             Other than collections.ChainMap or most other implementations, this
 | |
|             approach does not resolve missing keys on demand, but instead
 | |
|             actively copies all values from the source to the overlay and keeps
 | |
|             track of virtual and non-virtual keys internally. This removes any
 | |
|             lookup-overhead. Read-access is as fast as a build-in dict for both
 | |
|             virtual and non-virtual keys.
 | |
| 
 | |
|             Changes are propagated recursively and depth-first. A failing
 | |
|             on-change handler in an overlay stops the propagation of virtual
 | |
|             values and may result in an partly updated tree. Take extra care
 | |
|             here and make sure that on-change handlers never fail.
 | |
| 
 | |
|             Used by Route.config
 | |
|         """
 | |
|         # Cleanup dead references
 | |
|         self._overlays[:] = [ref for ref in self._overlays if ref() is not None]
 | |
| 
 | |
|         overlay = ConfigDict()
 | |
|         overlay._meta = self._meta
 | |
|         overlay._source = self
 | |
|         self._overlays.append(weakref.ref(overlay))
 | |
|         for key in self:
 | |
|             overlay._set_virtual(key, self[key])
 | |
|         return overlay
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| class AppStack(list):
 | |
|     """ A stack-like list. Calling it returns the head of the stack. """
 | |
| 
 | |
|     def __call__(self):
 | |
|         """ Return the current default application. """
 | |
|         return self.default
 | |
| 
 | |
|     def push(self, value=None):
 | |
|         """ Add a new :class:`Bottle` instance to the stack """
 | |
|         if not isinstance(value, Bottle):
 | |
|             value = Bottle()
 | |
|         self.append(value)
 | |
|         return value
 | |
|     new_app = push
 | |
| 
 | |
|     @property
 | |
|     def default(self):
 | |
|         try:
 | |
|             return self[-1]
 | |
|         except IndexError:
 | |
|             return self.push()
 | |
| 
 | |
| 
 | |
| class WSGIFileWrapper(object):
 | |
|     def __init__(self, fp, buffer_size=1024 * 64):
 | |
|         self.fp, self.buffer_size = fp, buffer_size
 | |
|         for attr in 'fileno', 'close', 'read', 'readlines', 'tell', 'seek':
 | |
|             if hasattr(fp, attr): setattr(self, attr, getattr(fp, attr))
 | |
| 
 | |
|     def __iter__(self):
 | |
|         buff, read = self.buffer_size, self.read
 | |
|         part = read(buff)
 | |
|         while part:
 | |
|             yield part
 | |
|             part = read(buff)
 | |
| 
 | |
| 
 | |
| class _closeiter(object):
 | |
|     """ This only exists to be able to attach a .close method to iterators that
 | |
|         do not support attribute assignment (most of itertools). """
 | |
| 
 | |
|     def __init__(self, iterator, close=None):
 | |
|         self.iterator = iterator
 | |
|         self.close_callbacks = makelist(close)
 | |
| 
 | |
|     def __iter__(self):
 | |
|         return iter(self.iterator)
 | |
| 
 | |
|     def close(self):
 | |
|         for func in self.close_callbacks:
 | |
|             func()
 | |
| 
 | |
| 
 | |
| class ResourceManager(object):
 | |
|     """ This class manages a list of search paths and helps to find and open
 | |
|         application-bound resources (files).
 | |
| 
 | |
|         :param base: default value for :meth:`add_path` calls.
 | |
|         :param opener: callable used to open resources.
 | |
|         :param cachemode: controls which lookups are cached. One of 'all',
 | |
|                          'found' or 'none'.
 | |
|     """
 | |
| 
 | |
|     def __init__(self, base='./', opener=open, cachemode='all'):
 | |
|         self.opener = opener
 | |
|         self.base = base
 | |
|         self.cachemode = cachemode
 | |
| 
 | |
|         #: A list of search paths. See :meth:`add_path` for details.
 | |
|         self.path = []
 | |
|         #: A cache for resolved paths. ``res.cache.clear()`` clears the cache.
 | |
|         self.cache = {}
 | |
| 
 | |
|     def add_path(self, path, base=None, index=None, create=False):
 | |
|         """ Add a new path to the list of search paths. Return False if the
 | |
|             path does not exist.
 | |
| 
 | |
|             :param path: The new search path. Relative paths are turned into
 | |
|                 an absolute and normalized form. If the path looks like a file
 | |
|                 (not ending in `/`), the filename is stripped off.
 | |
|             :param base: Path used to absolutize relative search paths.
 | |
|                 Defaults to :attr:`base` which defaults to ``os.getcwd()``.
 | |
|             :param index: Position within the list of search paths. Defaults
 | |
|                 to last index (appends to the list).
 | |
| 
 | |
|             The `base` parameter makes it easy to reference files installed
 | |
|             along with a python module or package::
 | |
| 
 | |
|                 res.add_path('./resources/', __file__)
 | |
|         """
 | |
|         base = os.path.abspath(os.path.dirname(base or self.base))
 | |
|         path = os.path.abspath(os.path.join(base, os.path.dirname(path)))
 | |
|         path += os.sep
 | |
|         if path in self.path:
 | |
|             self.path.remove(path)
 | |
|         if create and not os.path.isdir(path):
 | |
|             os.makedirs(path)
 | |
|         if index is None:
 | |
|             self.path.append(path)
 | |
|         else:
 | |
|             self.path.insert(index, path)
 | |
|         self.cache.clear()
 | |
|         return os.path.exists(path)
 | |
| 
 | |
|     def __iter__(self):
 | |
|         """ Iterate over all existing files in all registered paths. """
 | |
|         search = self.path[:]
 | |
|         while search:
 | |
|             path = search.pop()
 | |
|             if not os.path.isdir(path): continue
 | |
|             for name in os.listdir(path):
 | |
|                 full = os.path.join(path, name)
 | |
|                 if os.path.isdir(full): search.append(full)
 | |
|                 else: yield full
 | |
| 
 | |
|     def lookup(self, name):
 | |
|         """ Search for a resource and return an absolute file path, or `None`.
 | |
| 
 | |
|             The :attr:`path` list is searched in order. The first match is
 | |
|             returned. Symlinks are followed. The result is cached to speed up
 | |
|             future lookups. """
 | |
|         if name not in self.cache or DEBUG:
 | |
|             for path in self.path:
 | |
|                 fpath = os.path.join(path, name)
 | |
|                 if os.path.isfile(fpath):
 | |
|                     if self.cachemode in ('all', 'found'):
 | |
|                         self.cache[name] = fpath
 | |
|                     return fpath
 | |
|             if self.cachemode == 'all':
 | |
|                 self.cache[name] = None
 | |
|         return self.cache[name]
 | |
| 
 | |
|     def open(self, name, mode='r', *args, **kwargs):
 | |
|         """ Find a resource and return a file object, or raise IOError. """
 | |
|         fname = self.lookup(name)
 | |
|         if not fname: raise IOError("Resource %r not found." % name)
 | |
|         return self.opener(fname, mode=mode, *args, **kwargs)
 | |
| 
 | |
| 
 | |
| class FileUpload(object):
 | |
|     def __init__(self, fileobj, name, filename, headers=None):
 | |
|         """ Wrapper for file uploads. """
 | |
|         #: Open file(-like) object (BytesIO buffer or temporary file)
 | |
|         self.file = fileobj
 | |
|         #: Name of the upload form field
 | |
|         self.name = name
 | |
|         #: Raw filename as sent by the client (may contain unsafe characters)
 | |
|         self.raw_filename = filename
 | |
|         #: A :class:`HeaderDict` with additional headers (e.g. content-type)
 | |
|         self.headers = HeaderDict(headers) if headers else HeaderDict()
 | |
| 
 | |
|     content_type = HeaderProperty('Content-Type')
 | |
|     content_length = HeaderProperty('Content-Length', reader=int, default=-1)
 | |
| 
 | |
|     def get_header(self, name, default=None):
 | |
|         """ Return the value of a header within the multipart part. """
 | |
|         return self.headers.get(name, default)
 | |
| 
 | |
|     @cached_property
 | |
|     def filename(self):
 | |
|         """ Name of the file on the client file system, but normalized to ensure
 | |
|             file system compatibility. An empty filename is returned as 'empty'.
 | |
| 
 | |
|             Only ASCII letters, digits, dashes, underscores and dots are
 | |
|             allowed in the final filename. Accents are removed, if possible.
 | |
|             Whitespace is replaced by a single dash. Leading or tailing dots
 | |
|             or dashes are removed. The filename is limited to 255 characters.
 | |
|         """
 | |
|         fname = self.raw_filename
 | |
|         if not isinstance(fname, unicode):
 | |
|             fname = fname.decode('utf8', 'ignore')
 | |
|         fname = normalize('NFKD', fname)
 | |
|         fname = fname.encode('ASCII', 'ignore').decode('ASCII')
 | |
|         fname = os.path.basename(fname.replace('\\', os.path.sep))
 | |
|         fname = re.sub(r'[^a-zA-Z0-9-_.\s]', '', fname).strip()
 | |
|         fname = re.sub(r'[-\s]+', '-', fname).strip('.-')
 | |
|         return fname[:255] or 'empty'
 | |
| 
 | |
|     def _copy_file(self, fp, chunk_size=2 ** 16):
 | |
|         read, write, offset = self.file.read, fp.write, self.file.tell()
 | |
|         while 1:
 | |
|             buf = read(chunk_size)
 | |
|             if not buf: break
 | |
|             write(buf)
 | |
|         self.file.seek(offset)
 | |
| 
 | |
|     def save(self, destination, overwrite=False, chunk_size=2 ** 16):
 | |
|         """ Save file to disk or copy its content to an open file(-like) object.
 | |
|             If *destination* is a directory, :attr:`filename` is added to the
 | |
|             path. Existing files are not overwritten by default (IOError).
 | |
| 
 | |
|             :param destination: File path, directory or file(-like) object.
 | |
|             :param overwrite: If True, replace existing files. (default: False)
 | |
|             :param chunk_size: Bytes to read at a time. (default: 64kb)
 | |
|         """
 | |
|         if isinstance(destination, basestring):  # Except file-likes here
 | |
|             if os.path.isdir(destination):
 | |
|                 destination = os.path.join(destination, self.filename)
 | |
|             if not overwrite and os.path.exists(destination):
 | |
|                 raise IOError('File exists.')
 | |
|             with open(destination, 'wb') as fp:
 | |
|                 self._copy_file(fp, chunk_size)
 | |
|         else:
 | |
|             self._copy_file(destination, chunk_size)
 | |
| 
 | |
| ###############################################################################
 | |
| # Application Helper ###########################################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| def abort(code=500, text='Unknown Error.'):
 | |
|     """ Aborts execution and causes a HTTP error. """
 | |
|     raise HTTPError(code, text)
 | |
| 
 | |
| 
 | |
| def redirect(url, code=None):
 | |
|     """ Aborts execution and causes a 303 or 302 redirect, depending on
 | |
|         the HTTP protocol version. """
 | |
|     if not code:
 | |
|         code = 303 if request.get('SERVER_PROTOCOL') == "HTTP/1.1" else 302
 | |
|     res = response.copy(cls=HTTPResponse)
 | |
|     res.status = code
 | |
|     res.body = ""
 | |
|     res.set_header('Location', urljoin(request.url, url))
 | |
|     raise res
 | |
| 
 | |
| 
 | |
| def _file_iter_range(fp, offset, bytes, maxread=1024 * 1024, close=False):
 | |
|     """ Yield chunks from a range in a file, optionally closing it at the end.
 | |
|         No chunk is bigger than maxread. """
 | |
|     fp.seek(offset)
 | |
|     while bytes > 0:
 | |
|         part = fp.read(min(bytes, maxread))
 | |
|         if not part:
 | |
|             break
 | |
|         bytes -= len(part)
 | |
|         yield part
 | |
|     if close:
 | |
|         fp.close()
 | |
| 
 | |
| 
 | |
| def static_file(filename, root,
 | |
|                 mimetype=True,
 | |
|                 download=False,
 | |
|                 charset='UTF-8',
 | |
|                 etag=None,
 | |
|                 headers=None):
 | |
|     """ Open a file in a safe way and return an instance of :exc:`HTTPResponse`
 | |
|         that can be sent back to the client.
 | |
| 
 | |
|         :param filename: Name or path of the file to send, relative to ``root``.
 | |
|         :param root: Root path for file lookups. Should be an absolute directory
 | |
|             path.
 | |
|         :param mimetype: Provide the content-type header (default: guess from
 | |
|             file extension)
 | |
|         :param download: If True, ask the browser to open a `Save as...` dialog
 | |
|             instead of opening the file with the associated program. You can
 | |
|             specify a custom filename as a string. If not specified, the
 | |
|             original filename is used (default: False).
 | |
|         :param charset: The charset for files with a ``text/*`` mime-type.
 | |
|             (default: UTF-8)
 | |
|         :param etag: Provide a pre-computed ETag header. If set to ``False``,
 | |
|             ETag handling is disabled. (default: auto-generate ETag header)
 | |
|         :param headers: Additional headers dict to add to the response.
 | |
| 
 | |
|         While checking user input is always a good idea, this function provides
 | |
|         additional protection against malicious ``filename`` parameters from
 | |
|         breaking out of the ``root`` directory and leaking sensitive information
 | |
|         to an attacker.
 | |
| 
 | |
|         Read-protected files or files outside of the ``root`` directory are
 | |
|         answered with ``403 Access Denied``. Missing files result in a
 | |
|         ``404 Not Found`` response. Conditional requests (``If-Modified-Since``,
 | |
|         ``If-None-Match``) are answered with ``304 Not Modified`` whenever
 | |
|         possible. ``HEAD`` and ``Range`` requests (used by download managers to
 | |
|         check or continue partial downloads) are also handled automatically.
 | |
| 
 | |
|     """
 | |
| 
 | |
|     root = os.path.join(os.path.abspath(root), '')
 | |
|     filename = os.path.abspath(os.path.join(root, filename.strip('/\\')))
 | |
|     headers = headers.copy() if headers else {}
 | |
| 
 | |
|     if not filename.startswith(root):
 | |
|         return HTTPError(403, "Access denied.")
 | |
|     if not os.path.exists(filename) or not os.path.isfile(filename):
 | |
|         return HTTPError(404, "File does not exist.")
 | |
|     if not os.access(filename, os.R_OK):
 | |
|         return HTTPError(403, "You do not have permission to access this file.")
 | |
| 
 | |
|     if mimetype is True:
 | |
|         if download and download is not True:
 | |
|             mimetype, encoding = mimetypes.guess_type(download)
 | |
|         else:
 | |
|             mimetype, encoding = mimetypes.guess_type(filename)
 | |
|         if encoding:
 | |
|             headers['Content-Encoding'] = encoding
 | |
| 
 | |
|     if mimetype:
 | |
|         if (mimetype[:5] == 'text/' or mimetype == 'application/javascript')\
 | |
|           and charset and 'charset' not in mimetype:
 | |
|             mimetype += '; charset=%s' % charset
 | |
|         headers['Content-Type'] = mimetype
 | |
| 
 | |
|     if download:
 | |
|         download = os.path.basename(filename if download is True else download)
 | |
|         headers['Content-Disposition'] = 'attachment; filename="%s"' % download
 | |
| 
 | |
|     stats = os.stat(filename)
 | |
|     headers['Content-Length'] = clen = stats.st_size
 | |
|     headers['Last-Modified'] = email.utils.formatdate(stats.st_mtime,
 | |
|                                                       usegmt=True)
 | |
|     headers['Date'] = email.utils.formatdate(time.time(), usegmt=True)
 | |
| 
 | |
|     getenv = request.environ.get
 | |
| 
 | |
|     if etag is None:
 | |
|         etag = '%d:%d:%d:%d:%s' % (stats.st_dev, stats.st_ino, stats.st_mtime,
 | |
|                                    clen, filename)
 | |
|         etag = hashlib.sha1(tob(etag)).hexdigest()
 | |
| 
 | |
|     if etag:
 | |
|         headers['ETag'] = etag
 | |
|         check = getenv('HTTP_IF_NONE_MATCH')
 | |
|         if check and check == etag:
 | |
|             return HTTPResponse(status=304, **headers)
 | |
| 
 | |
|     ims = getenv('HTTP_IF_MODIFIED_SINCE')
 | |
|     if ims:
 | |
|         ims = parse_date(ims.split(";")[0].strip())
 | |
|         if ims is not None and ims >= int(stats.st_mtime):
 | |
|             return HTTPResponse(status=304, **headers)
 | |
| 
 | |
|     body = '' if request.method == 'HEAD' else open(filename, 'rb')
 | |
| 
 | |
|     headers["Accept-Ranges"] = "bytes"
 | |
|     range_header = getenv('HTTP_RANGE')
 | |
|     if range_header:
 | |
|         ranges = list(parse_range_header(range_header, clen))
 | |
|         if not ranges:
 | |
|             return HTTPError(416, "Requested Range Not Satisfiable")
 | |
|         offset, end = ranges[0]
 | |
|         headers["Content-Range"] = "bytes %d-%d/%d" % (offset, end - 1, clen)
 | |
|         headers["Content-Length"] = str(end - offset)
 | |
|         if body: body = _file_iter_range(body, offset, end - offset, close=True)
 | |
|         return HTTPResponse(body, status=206, **headers)
 | |
|     return HTTPResponse(body, **headers)
 | |
| 
 | |
| ###############################################################################
 | |
| # HTTP Utilities and MISC (TODO) ###############################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| def debug(mode=True):
 | |
|     """ Change the debug level.
 | |
|     There is only one debug level supported at the moment."""
 | |
|     global DEBUG
 | |
|     if mode: warnings.simplefilter('default')
 | |
|     DEBUG = bool(mode)
 | |
| 
 | |
| 
 | |
| def http_date(value):
 | |
|     if isinstance(value, basestring):
 | |
|         return value
 | |
|     if isinstance(value, datetime):
 | |
|         # aware datetime.datetime is converted to UTC time
 | |
|         # naive datetime.datetime is treated as UTC time
 | |
|         value = value.utctimetuple()
 | |
|     elif isinstance(value, datedate):
 | |
|         # datetime.date is naive, and is treated as UTC time
 | |
|         value = value.timetuple()
 | |
|     if not isinstance(value, (int, float)):
 | |
|         # convert struct_time in UTC to UNIX timestamp
 | |
|         value = calendar.timegm(value)
 | |
|     return email.utils.formatdate(value, usegmt=True)
 | |
| 
 | |
| 
 | |
| def parse_date(ims):
 | |
|     """ Parse rfc1123, rfc850 and asctime timestamps and return UTC epoch. """
 | |
|     try:
 | |
|         ts = email.utils.parsedate_tz(ims)
 | |
|         return calendar.timegm(ts[:8] + (0, )) - (ts[9] or 0)
 | |
|     except (TypeError, ValueError, IndexError, OverflowError):
 | |
|         return None
 | |
| 
 | |
| 
 | |
| def parse_auth(header):
 | |
|     """ Parse rfc2617 HTTP authentication header string (basic) and return (user,pass) tuple or None"""
 | |
|     try:
 | |
|         method, data = header.split(None, 1)
 | |
|         if method.lower() == 'basic':
 | |
|             user, pwd = touni(base64.b64decode(tob(data))).split(':', 1)
 | |
|             return user, pwd
 | |
|     except (KeyError, ValueError):
 | |
|         return None
 | |
| 
 | |
| 
 | |
| def parse_range_header(header, maxlen=0):
 | |
|     """ Yield (start, end) ranges parsed from a HTTP Range header. Skip
 | |
|         unsatisfiable ranges. The end index is non-inclusive."""
 | |
|     if not header or header[:6] != 'bytes=': return
 | |
|     ranges = [r.split('-', 1) for r in header[6:].split(',') if '-' in r]
 | |
|     for start, end in ranges:
 | |
|         try:
 | |
|             if not start:  # bytes=-100    -> last 100 bytes
 | |
|                 start, end = max(0, maxlen - int(end)), maxlen
 | |
|             elif not end:  # bytes=100-    -> all but the first 99 bytes
 | |
|                 start, end = int(start), maxlen
 | |
|             else:  # bytes=100-200 -> bytes 100-200 (inclusive)
 | |
|                 start, end = int(start), min(int(end) + 1, maxlen)
 | |
|             if 0 <= start < end <= maxlen:
 | |
|                 yield start, end
 | |
|         except ValueError:
 | |
|             pass
 | |
| 
 | |
| 
 | |
| #: Header tokenizer used by _parse_http_header()
 | |
| _hsplit = re.compile('(?:(?:"((?:[^"\\\\]|\\\\.)*)")|([^;,=]+))([;,=]?)').findall
 | |
| 
 | |
| def _parse_http_header(h):
 | |
|     """ Parses a typical multi-valued and parametrised HTTP header (e.g. Accept headers) and returns a list of values
 | |
|         and parameters. For non-standard or broken input, this implementation may return partial results.
 | |
|     :param h: A header string (e.g. ``text/html,text/plain;q=0.9,*/*;q=0.8``)
 | |
|     :return: List of (value, params) tuples. The second element is a (possibly empty) dict.
 | |
|     """
 | |
|     values = []
 | |
|     if '"' not in h:  # INFO: Fast path without regexp (~2x faster)
 | |
|         for value in h.split(','):
 | |
|             parts = value.split(';')
 | |
|             values.append((parts[0].strip(), {}))
 | |
|             for attr in parts[1:]:
 | |
|                 name, value = attr.split('=', 1)
 | |
|                 values[-1][1][name.strip()] = value.strip()
 | |
|     else:
 | |
|         lop, key, attrs = ',', None, {}
 | |
|         for quoted, plain, tok in _hsplit(h):
 | |
|             value = plain.strip() if plain else quoted.replace('\\"', '"')
 | |
|             if lop == ',':
 | |
|                 attrs = {}
 | |
|                 values.append((value, attrs))
 | |
|             elif lop == ';':
 | |
|                 if tok == '=':
 | |
|                     key = value
 | |
|                 else:
 | |
|                     attrs[value] = ''
 | |
|             elif lop == '=' and key:
 | |
|                 attrs[key] = value
 | |
|                 key = None
 | |
|             lop = tok
 | |
|     return values
 | |
| 
 | |
| 
 | |
| def _parse_qsl(qs):
 | |
|     r = []
 | |
|     for pair in qs.split('&'):
 | |
|         if not pair: continue
 | |
|         nv = pair.split('=', 1)
 | |
|         if len(nv) != 2: nv.append('')
 | |
|         key = urlunquote(nv[0].replace('+', ' '))
 | |
|         value = urlunquote(nv[1].replace('+', ' '))
 | |
|         r.append((key, value))
 | |
|     return r
 | |
| 
 | |
| 
 | |
| def _lscmp(a, b):
 | |
|     """ Compares two strings in a cryptographically safe way:
 | |
|         Runtime is not affected by length of common prefix. """
 | |
|     return not sum(0 if x == y else 1
 | |
|                    for x, y in zip(a, b)) and len(a) == len(b)
 | |
| 
 | |
| 
 | |
| def cookie_encode(data, key, digestmod=None):
 | |
|     """ Encode and sign a pickle-able object. Return a (byte) string """
 | |
|     depr(0, 13, "cookie_encode() will be removed soon.",
 | |
|                 "Do not use this API directly.")
 | |
|     digestmod = digestmod or hashlib.sha256
 | |
|     msg = base64.b64encode(pickle.dumps(data, -1))
 | |
|     sig = base64.b64encode(hmac.new(tob(key), msg, digestmod=digestmod).digest())
 | |
|     return tob('!') + sig + tob('?') + msg
 | |
| 
 | |
| 
 | |
| def cookie_decode(data, key, digestmod=None):
 | |
|     """ Verify and decode an encoded string. Return an object or None."""
 | |
|     depr(0, 13, "cookie_decode() will be removed soon.",
 | |
|                 "Do not use this API directly.")
 | |
|     data = tob(data)
 | |
|     if cookie_is_encoded(data):
 | |
|         sig, msg = data.split(tob('?'), 1)
 | |
|         digestmod = digestmod or hashlib.sha256
 | |
|         hashed = hmac.new(tob(key), msg, digestmod=digestmod).digest()
 | |
|         if _lscmp(sig[1:], base64.b64encode(hashed)):
 | |
|             return pickle.loads(base64.b64decode(msg))
 | |
|     return None
 | |
| 
 | |
| 
 | |
| def cookie_is_encoded(data):
 | |
|     """ Return True if the argument looks like a encoded cookie."""
 | |
|     depr(0, 13, "cookie_is_encoded() will be removed soon.",
 | |
|                 "Do not use this API directly.")
 | |
|     return bool(data.startswith(tob('!')) and tob('?') in data)
 | |
| 
 | |
| 
 | |
| def html_escape(string):
 | |
|     """ Escape HTML special characters ``&<>`` and quotes ``'"``. """
 | |
|     return string.replace('&', '&').replace('<', '<').replace('>', '>')\
 | |
|                  .replace('"', '"').replace("'", ''')
 | |
| 
 | |
| 
 | |
| def html_quote(string):
 | |
|     """ Escape and quote a string to be used as an HTTP attribute."""
 | |
|     return '"%s"' % html_escape(string).replace('\n', '
')\
 | |
|                     .replace('\r', '
').replace('\t', '	')
 | |
| 
 | |
| 
 | |
| def yieldroutes(func):
 | |
|     """ Return a generator for routes that match the signature (name, args)
 | |
|     of the func parameter. This may yield more than one route if the function
 | |
|     takes optional keyword arguments. The output is best described by example::
 | |
| 
 | |
|         a()         -> '/a'
 | |
|         b(x, y)     -> '/b/<x>/<y>'
 | |
|         c(x, y=5)   -> '/c/<x>' and '/c/<x>/<y>'
 | |
|         d(x=5, y=6) -> '/d' and '/d/<x>' and '/d/<x>/<y>'
 | |
|     """
 | |
|     path = '/' + func.__name__.replace('__', '/').lstrip('/')
 | |
|     spec = getargspec(func)
 | |
|     argc = len(spec[0]) - len(spec[3] or [])
 | |
|     path += ('/<%s>' * argc) % tuple(spec[0][:argc])
 | |
|     yield path
 | |
|     for arg in spec[0][argc:]:
 | |
|         path += '/<%s>' % arg
 | |
|         yield path
 | |
| 
 | |
| 
 | |
| def path_shift(script_name, path_info, shift=1):
 | |
|     """ Shift path fragments from PATH_INFO to SCRIPT_NAME and vice versa.
 | |
| 
 | |
|         :return: The modified paths.
 | |
|         :param script_name: The SCRIPT_NAME path.
 | |
|         :param script_name: The PATH_INFO path.
 | |
|         :param shift: The number of path fragments to shift. May be negative to
 | |
|           change the shift direction. (default: 1)
 | |
|     """
 | |
|     if shift == 0: return script_name, path_info
 | |
|     pathlist = path_info.strip('/').split('/')
 | |
|     scriptlist = script_name.strip('/').split('/')
 | |
|     if pathlist and pathlist[0] == '': pathlist = []
 | |
|     if scriptlist and scriptlist[0] == '': scriptlist = []
 | |
|     if 0 < shift <= len(pathlist):
 | |
|         moved = pathlist[:shift]
 | |
|         scriptlist = scriptlist + moved
 | |
|         pathlist = pathlist[shift:]
 | |
|     elif 0 > shift >= -len(scriptlist):
 | |
|         moved = scriptlist[shift:]
 | |
|         pathlist = moved + pathlist
 | |
|         scriptlist = scriptlist[:shift]
 | |
|     else:
 | |
|         empty = 'SCRIPT_NAME' if shift < 0 else 'PATH_INFO'
 | |
|         raise AssertionError("Cannot shift. Nothing left from %s" % empty)
 | |
|     new_script_name = '/' + '/'.join(scriptlist)
 | |
|     new_path_info = '/' + '/'.join(pathlist)
 | |
|     if path_info.endswith('/') and pathlist: new_path_info += '/'
 | |
|     return new_script_name, new_path_info
 | |
| 
 | |
| 
 | |
| def auth_basic(check, realm="private", text="Access denied"):
 | |
|     """ Callback decorator to require HTTP auth (basic).
 | |
|         TODO: Add route(check_auth=...) parameter. """
 | |
| 
 | |
|     def decorator(func):
 | |
| 
 | |
|         @functools.wraps(func)
 | |
|         def wrapper(*a, **ka):
 | |
|             user, password = request.auth or (None, None)
 | |
|             if user is None or not check(user, password):
 | |
|                 err = HTTPError(401, text)
 | |
|                 err.add_header('WWW-Authenticate', 'Basic realm="%s"' % realm)
 | |
|                 return err
 | |
|             return func(*a, **ka)
 | |
| 
 | |
|         return wrapper
 | |
| 
 | |
|     return decorator
 | |
| 
 | |
| # Shortcuts for common Bottle methods.
 | |
| # They all refer to the current default application.
 | |
| 
 | |
| 
 | |
| def make_default_app_wrapper(name):
 | |
|     """ Return a callable that relays calls to the current default app. """
 | |
| 
 | |
|     @functools.wraps(getattr(Bottle, name))
 | |
|     def wrapper(*a, **ka):
 | |
|         return getattr(app(), name)(*a, **ka)
 | |
| 
 | |
|     return wrapper
 | |
| 
 | |
| 
 | |
| route     = make_default_app_wrapper('route')
 | |
| get       = make_default_app_wrapper('get')
 | |
| post      = make_default_app_wrapper('post')
 | |
| put       = make_default_app_wrapper('put')
 | |
| delete    = make_default_app_wrapper('delete')
 | |
| patch     = make_default_app_wrapper('patch')
 | |
| error     = make_default_app_wrapper('error')
 | |
| mount     = make_default_app_wrapper('mount')
 | |
| hook      = make_default_app_wrapper('hook')
 | |
| install   = make_default_app_wrapper('install')
 | |
| uninstall = make_default_app_wrapper('uninstall')
 | |
| url       = make_default_app_wrapper('get_url')
 | |
| 
 | |
| ###############################################################################
 | |
| # Server Adapter ###############################################################
 | |
| ###############################################################################
 | |
| 
 | |
| # Before you edit or add a server adapter, please read:
 | |
| # - https://github.com/bottlepy/bottle/pull/647#issuecomment-60152870
 | |
| # - https://github.com/bottlepy/bottle/pull/865#issuecomment-242795341
 | |
| 
 | |
| class ServerAdapter(object):
 | |
|     quiet = False
 | |
| 
 | |
|     def __init__(self, host='127.0.0.1', port=8080, **options):
 | |
|         self.options = options
 | |
|         self.host = host
 | |
|         self.port = int(port)
 | |
| 
 | |
|     def run(self, handler):  # pragma: no cover
 | |
|         pass
 | |
| 
 | |
|     def __repr__(self):
 | |
|         args = ', '.join('%s=%s' % (k, repr(v))
 | |
|                           for k, v in self.options.items())
 | |
|         return "%s(%s)" % (self.__class__.__name__, args)
 | |
| 
 | |
| 
 | |
| class CGIServer(ServerAdapter):
 | |
|     quiet = True
 | |
| 
 | |
|     def run(self, handler):  # pragma: no cover
 | |
|         from wsgiref.handlers import CGIHandler
 | |
| 
 | |
|         def fixed_environ(environ, start_response):
 | |
|             environ.setdefault('PATH_INFO', '')
 | |
|             return handler(environ, start_response)
 | |
| 
 | |
|         CGIHandler().run(fixed_environ)
 | |
| 
 | |
| 
 | |
| class FlupFCGIServer(ServerAdapter):
 | |
|     def run(self, handler):  # pragma: no cover
 | |
|         import flup.server.fcgi
 | |
|         self.options.setdefault('bindAddress', (self.host, self.port))
 | |
|         flup.server.fcgi.WSGIServer(handler, **self.options).run()
 | |
| 
 | |
| 
 | |
| class WSGIRefServer(ServerAdapter):
 | |
|     def run(self, app):  # pragma: no cover
 | |
|         from wsgiref.simple_server import make_server
 | |
|         from wsgiref.simple_server import WSGIRequestHandler, WSGIServer
 | |
|         import socket
 | |
| 
 | |
|         class FixedHandler(WSGIRequestHandler):
 | |
|             def address_string(self):  # Prevent reverse DNS lookups please.
 | |
|                 return self.client_address[0]
 | |
| 
 | |
|             def log_request(*args, **kw):
 | |
|                 if not self.quiet:
 | |
|                     return WSGIRequestHandler.log_request(*args, **kw)
 | |
| 
 | |
|         handler_cls = self.options.get('handler_class', FixedHandler)
 | |
|         server_cls = self.options.get('server_class', WSGIServer)
 | |
| 
 | |
|         if ':' in self.host:  # Fix wsgiref for IPv6 addresses.
 | |
|             if getattr(server_cls, 'address_family') == socket.AF_INET:
 | |
| 
 | |
|                 class server_cls(server_cls):
 | |
|                     address_family = socket.AF_INET6
 | |
| 
 | |
|         self.srv = make_server(self.host, self.port, app, server_cls,
 | |
|                                handler_cls)
 | |
|         self.port = self.srv.server_port  # update port actual port (0 means random)
 | |
|         try:
 | |
|             self.srv.serve_forever()
 | |
|         except KeyboardInterrupt:
 | |
|             self.srv.server_close()  # Prevent ResourceWarning: unclosed socket
 | |
|             raise
 | |
| 
 | |
| 
 | |
| class CherryPyServer(ServerAdapter):
 | |
|     def run(self, handler):  # pragma: no cover
 | |
|         depr(0, 13, "The wsgi server part of cherrypy was split into a new "
 | |
|                     "project called 'cheroot'.", "Use the 'cheroot' server "
 | |
|                     "adapter instead of cherrypy.")
 | |
|         from cherrypy import wsgiserver # This will fail for CherryPy >= 9
 | |
| 
 | |
|         self.options['bind_addr'] = (self.host, self.port)
 | |
|         self.options['wsgi_app'] = handler
 | |
| 
 | |
|         certfile = self.options.get('certfile')
 | |
|         if certfile:
 | |
|             del self.options['certfile']
 | |
|         keyfile = self.options.get('keyfile')
 | |
|         if keyfile:
 | |
|             del self.options['keyfile']
 | |
| 
 | |
|         server = wsgiserver.CherryPyWSGIServer(**self.options)
 | |
|         if certfile:
 | |
|             server.ssl_certificate = certfile
 | |
|         if keyfile:
 | |
|             server.ssl_private_key = keyfile
 | |
| 
 | |
|         try:
 | |
|             server.start()
 | |
|         finally:
 | |
|             server.stop()
 | |
| 
 | |
| 
 | |
| class CherootServer(ServerAdapter):
 | |
|     def run(self, handler): # pragma: no cover
 | |
|         from cheroot import wsgi
 | |
|         from cheroot.ssl import builtin
 | |
|         self.options['bind_addr'] = (self.host, self.port)
 | |
|         self.options['wsgi_app'] = handler
 | |
|         certfile = self.options.pop('certfile', None)
 | |
|         keyfile = self.options.pop('keyfile', None)
 | |
|         chainfile = self.options.pop('chainfile', None)
 | |
|         server = wsgi.Server(**self.options)
 | |
|         if certfile and keyfile:
 | |
|             server.ssl_adapter = builtin.BuiltinSSLAdapter(
 | |
|                     certfile, keyfile, chainfile)
 | |
|         try:
 | |
|             server.start()
 | |
|         finally:
 | |
|             server.stop()
 | |
| 
 | |
| 
 | |
| class WaitressServer(ServerAdapter):
 | |
|     def run(self, handler):
 | |
|         from waitress import serve
 | |
|         serve(handler, host=self.host, port=self.port, _quiet=self.quiet, **self.options)
 | |
| 
 | |
| 
 | |
| class PasteServer(ServerAdapter):
 | |
|     def run(self, handler):  # pragma: no cover
 | |
|         from paste import httpserver
 | |
|         from paste.translogger import TransLogger
 | |
|         handler = TransLogger(handler, setup_console_handler=(not self.quiet))
 | |
|         httpserver.serve(handler,
 | |
|                          host=self.host,
 | |
|                          port=str(self.port), **self.options)
 | |
| 
 | |
| 
 | |
| class MeinheldServer(ServerAdapter):
 | |
|     def run(self, handler):
 | |
|         from meinheld import server
 | |
|         server.listen((self.host, self.port))
 | |
|         server.run(handler)
 | |
| 
 | |
| 
 | |
| class FapwsServer(ServerAdapter):
 | |
|     """ Extremely fast webserver using libev. See http://www.fapws.org/ """
 | |
| 
 | |
|     def run(self, handler):  # pragma: no cover
 | |
|         depr(0, 13, "fapws3 is not maintained and support will be dropped.")
 | |
|         import fapws._evwsgi as evwsgi
 | |
|         from fapws import base, config
 | |
|         port = self.port
 | |
|         if float(config.SERVER_IDENT[-2:]) > 0.4:
 | |
|             # fapws3 silently changed its API in 0.5
 | |
|             port = str(port)
 | |
|         evwsgi.start(self.host, port)
 | |
|         # fapws3 never releases the GIL. Complain upstream. I tried. No luck.
 | |
|         if 'BOTTLE_CHILD' in os.environ and not self.quiet:
 | |
|             _stderr("WARNING: Auto-reloading does not work with Fapws3.")
 | |
|             _stderr("         (Fapws3 breaks python thread support)")
 | |
|         evwsgi.set_base_module(base)
 | |
| 
 | |
|         def app(environ, start_response):
 | |
|             environ['wsgi.multiprocess'] = False
 | |
|             return handler(environ, start_response)
 | |
| 
 | |
|         evwsgi.wsgi_cb(('', app))
 | |
|         evwsgi.run()
 | |
| 
 | |
| 
 | |
| class TornadoServer(ServerAdapter):
 | |
|     """ The super hyped asynchronous server by facebook. Untested. """
 | |
| 
 | |
|     def run(self, handler):  # pragma: no cover
 | |
|         import tornado.wsgi, tornado.httpserver, tornado.ioloop
 | |
|         container = tornado.wsgi.WSGIContainer(handler)
 | |
|         server = tornado.httpserver.HTTPServer(container)
 | |
|         server.listen(port=self.port, address=self.host)
 | |
|         tornado.ioloop.IOLoop.instance().start()
 | |
| 
 | |
| 
 | |
| class AppEngineServer(ServerAdapter):
 | |
|     """ Adapter for Google App Engine. """
 | |
|     quiet = True
 | |
| 
 | |
|     def run(self, handler):
 | |
|         depr(0, 13, "AppEngineServer no longer required",
 | |
|              "Configure your application directly in your app.yaml")
 | |
|         from google.appengine.ext.webapp import util
 | |
|         # A main() function in the handler script enables 'App Caching'.
 | |
|         # Lets makes sure it is there. This _really_ improves performance.
 | |
|         module = sys.modules.get('__main__')
 | |
|         if module and not hasattr(module, 'main'):
 | |
|             module.main = lambda: util.run_wsgi_app(handler)
 | |
|         util.run_wsgi_app(handler)
 | |
| 
 | |
| 
 | |
| class TwistedServer(ServerAdapter):
 | |
|     """ Untested. """
 | |
| 
 | |
|     def run(self, handler):
 | |
|         from twisted.web import server, wsgi
 | |
|         from twisted.python.threadpool import ThreadPool
 | |
|         from twisted.internet import reactor
 | |
|         thread_pool = ThreadPool()
 | |
|         thread_pool.start()
 | |
|         reactor.addSystemEventTrigger('after', 'shutdown', thread_pool.stop)
 | |
|         factory = server.Site(wsgi.WSGIResource(reactor, thread_pool, handler))
 | |
|         reactor.listenTCP(self.port, factory, interface=self.host)
 | |
|         if not reactor.running:
 | |
|             reactor.run()
 | |
| 
 | |
| 
 | |
| class DieselServer(ServerAdapter):
 | |
|     """ Untested. """
 | |
| 
 | |
|     def run(self, handler):
 | |
|         depr(0, 13, "Diesel is not tested or supported and will be removed.")
 | |
|         from diesel.protocols.wsgi import WSGIApplication
 | |
|         app = WSGIApplication(handler, port=self.port)
 | |
|         app.run()
 | |
| 
 | |
| 
 | |
| class GeventServer(ServerAdapter):
 | |
|     """ Untested. Options:
 | |
| 
 | |
|         * See gevent.wsgi.WSGIServer() documentation for more options.
 | |
|     """
 | |
| 
 | |
|     def run(self, handler):
 | |
|         from gevent import pywsgi, local
 | |
|         if not isinstance(threading.local(), local.local):
 | |
|             msg = "Bottle requires gevent.monkey.patch_all() (before import)"
 | |
|             raise RuntimeError(msg)
 | |
|         if self.quiet:
 | |
|             self.options['log'] = None
 | |
|         address = (self.host, self.port)
 | |
|         server = pywsgi.WSGIServer(address, handler, **self.options)
 | |
|         if 'BOTTLE_CHILD' in os.environ:
 | |
|             import signal
 | |
|             signal.signal(signal.SIGINT, lambda s, f: server.stop())
 | |
|         server.serve_forever()
 | |
| 
 | |
| 
 | |
| class GunicornServer(ServerAdapter):
 | |
|     """ Untested. See http://gunicorn.org/configure.html for options. """
 | |
| 
 | |
|     def run(self, handler):
 | |
|         from gunicorn.app.base import BaseApplication
 | |
| 
 | |
|         if self.host.startswith("unix:"):
 | |
|             config = {'bind': self.host}
 | |
|         else:
 | |
|             config = {'bind': "%s:%d" % (self.host, self.port)}
 | |
| 
 | |
|         config.update(self.options)
 | |
| 
 | |
|         class GunicornApplication(BaseApplication):
 | |
|             def load_config(self):
 | |
|                 for key, value in config.items():
 | |
|                     self.cfg.set(key, value)
 | |
| 
 | |
|             def load(self):
 | |
|                 return handler
 | |
| 
 | |
|         GunicornApplication().run()
 | |
| 
 | |
| 
 | |
| class EventletServer(ServerAdapter):
 | |
|     """ Untested. Options:
 | |
| 
 | |
|         * `backlog` adjust the eventlet backlog parameter which is the maximum
 | |
|           number of queued connections. Should be at least 1; the maximum
 | |
|           value is system-dependent.
 | |
|         * `family`: (default is 2) socket family, optional. See socket
 | |
|           documentation for available families.
 | |
|     """
 | |
| 
 | |
|     def run(self, handler):
 | |
|         from eventlet import wsgi, listen, patcher
 | |
|         if not patcher.is_monkey_patched(os):
 | |
|             msg = "Bottle requires eventlet.monkey_patch() (before import)"
 | |
|             raise RuntimeError(msg)
 | |
|         socket_args = {}
 | |
|         for arg in ('backlog', 'family'):
 | |
|             try:
 | |
|                 socket_args[arg] = self.options.pop(arg)
 | |
|             except KeyError:
 | |
|                 pass
 | |
|         address = (self.host, self.port)
 | |
|         try:
 | |
|             wsgi.server(listen(address, **socket_args), handler,
 | |
|                         log_output=(not self.quiet))
 | |
|         except TypeError:
 | |
|             # Fallback, if we have old version of eventlet
 | |
|             wsgi.server(listen(address), handler)
 | |
| 
 | |
| 
 | |
| class BjoernServer(ServerAdapter):
 | |
|     """ Fast server written in C: https://github.com/jonashaag/bjoern """
 | |
| 
 | |
|     def run(self, handler):
 | |
|         from bjoern import run
 | |
|         run(handler, self.host, self.port, reuse_port=True)
 | |
| 
 | |
| class AsyncioServerAdapter(ServerAdapter):
 | |
|     """ Extend ServerAdapter for adding custom event loop """
 | |
|     def get_event_loop(self):
 | |
|         pass
 | |
| 
 | |
| class AiohttpServer(AsyncioServerAdapter):
 | |
|     """ Asynchronous HTTP client/server framework for asyncio
 | |
|         https://pypi.python.org/pypi/aiohttp/
 | |
|         https://pypi.org/project/aiohttp-wsgi/
 | |
|     """
 | |
| 
 | |
|     def get_event_loop(self):
 | |
|         import asyncio
 | |
|         return asyncio.new_event_loop()
 | |
| 
 | |
|     def run(self, handler):
 | |
|         import asyncio
 | |
|         from aiohttp_wsgi.wsgi import serve
 | |
|         self.loop = self.get_event_loop()
 | |
|         asyncio.set_event_loop(self.loop)
 | |
| 
 | |
|         if 'BOTTLE_CHILD' in os.environ:
 | |
|             import signal
 | |
|             signal.signal(signal.SIGINT, lambda s, f: self.loop.stop())
 | |
| 
 | |
|         serve(handler, host=self.host, port=self.port)
 | |
| 
 | |
| 
 | |
| class AiohttpUVLoopServer(AiohttpServer):
 | |
|     """uvloop
 | |
|        https://github.com/MagicStack/uvloop
 | |
|     """
 | |
|     def get_event_loop(self):
 | |
|         import uvloop
 | |
|         return uvloop.new_event_loop()
 | |
| 
 | |
| class AutoServer(ServerAdapter):
 | |
|     """ Untested. """
 | |
|     adapters = [WaitressServer, PasteServer, TwistedServer, CherryPyServer,
 | |
|                 CherootServer, WSGIRefServer]
 | |
| 
 | |
|     def run(self, handler):
 | |
|         for sa in self.adapters:
 | |
|             try:
 | |
|                 return sa(self.host, self.port, **self.options).run(handler)
 | |
|             except ImportError:
 | |
|                 pass
 | |
| 
 | |
| 
 | |
| server_names = {
 | |
|     'cgi': CGIServer,
 | |
|     'flup': FlupFCGIServer,
 | |
|     'wsgiref': WSGIRefServer,
 | |
|     'waitress': WaitressServer,
 | |
|     'cherrypy': CherryPyServer,
 | |
|     'cheroot': CherootServer,
 | |
|     'paste': PasteServer,
 | |
|     'fapws3': FapwsServer,
 | |
|     'tornado': TornadoServer,
 | |
|     'gae': AppEngineServer,
 | |
|     'twisted': TwistedServer,
 | |
|     'diesel': DieselServer,
 | |
|     'meinheld': MeinheldServer,
 | |
|     'gunicorn': GunicornServer,
 | |
|     'eventlet': EventletServer,
 | |
|     'gevent': GeventServer,
 | |
|     'bjoern': BjoernServer,
 | |
|     'aiohttp': AiohttpServer,
 | |
|     'uvloop': AiohttpUVLoopServer,
 | |
|     'auto': AutoServer,
 | |
| }
 | |
| 
 | |
| ###############################################################################
 | |
| # Application Control ##########################################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| def load(target, **namespace):
 | |
|     """ Import a module or fetch an object from a module.
 | |
| 
 | |
|         * ``package.module`` returns `module` as a module object.
 | |
|         * ``pack.mod:name`` returns the module variable `name` from `pack.mod`.
 | |
|         * ``pack.mod:func()`` calls `pack.mod.func()` and returns the result.
 | |
| 
 | |
|         The last form accepts not only function calls, but any type of
 | |
|         expression. Keyword arguments passed to this function are available as
 | |
|         local variables. Example: ``import_string('re:compile(x)', x='[a-z]')``
 | |
|     """
 | |
|     module, target = target.split(":", 1) if ':' in target else (target, None)
 | |
|     if module not in sys.modules: __import__(module)
 | |
|     if not target: return sys.modules[module]
 | |
|     if target.isalnum(): return getattr(sys.modules[module], target)
 | |
|     package_name = module.split('.')[0]
 | |
|     namespace[package_name] = sys.modules[package_name]
 | |
|     return eval('%s.%s' % (module, target), namespace)
 | |
| 
 | |
| 
 | |
| def load_app(target):
 | |
|     """ Load a bottle application from a module and make sure that the import
 | |
|         does not affect the current default application, but returns a separate
 | |
|         application object. See :func:`load` for the target parameter. """
 | |
|     global NORUN
 | |
|     NORUN, nr_old = True, NORUN
 | |
|     tmp = default_app.push()  # Create a new "default application"
 | |
|     try:
 | |
|         rv = load(target)  # Import the target module
 | |
|         return rv if callable(rv) else tmp
 | |
|     finally:
 | |
|         default_app.remove(tmp)  # Remove the temporary added default application
 | |
|         NORUN = nr_old
 | |
| 
 | |
| 
 | |
| _debug = debug
 | |
| 
 | |
| 
 | |
| def run(app=None,
 | |
|         server='wsgiref',
 | |
|         host='127.0.0.1',
 | |
|         port=8080,
 | |
|         interval=1,
 | |
|         reloader=False,
 | |
|         quiet=False,
 | |
|         plugins=None,
 | |
|         debug=None,
 | |
|         config=None, **kargs):
 | |
|     """ Start a server instance. This method blocks until the server terminates.
 | |
| 
 | |
|         :param app: WSGI application or target string supported by
 | |
|                :func:`load_app`. (default: :func:`default_app`)
 | |
|         :param server: Server adapter to use. See :data:`server_names` keys
 | |
|                for valid names or pass a :class:`ServerAdapter` subclass.
 | |
|                (default: `wsgiref`)
 | |
|         :param host: Server address to bind to. Pass ``0.0.0.0`` to listens on
 | |
|                all interfaces including the external one. (default: 127.0.0.1)
 | |
|         :param port: Server port to bind to. Values below 1024 require root
 | |
|                privileges. (default: 8080)
 | |
|         :param reloader: Start auto-reloading server? (default: False)
 | |
|         :param interval: Auto-reloader interval in seconds (default: 1)
 | |
|         :param quiet: Suppress output to stdout and stderr? (default: False)
 | |
|         :param options: Options passed to the server adapter.
 | |
|      """
 | |
|     if NORUN: return
 | |
|     if reloader and not os.environ.get('BOTTLE_CHILD'):
 | |
|         import subprocess
 | |
|         fd, lockfile = tempfile.mkstemp(prefix='bottle.', suffix='.lock')
 | |
|         environ = os.environ.copy()
 | |
|         environ['BOTTLE_CHILD'] = 'true'
 | |
|         environ['BOTTLE_LOCKFILE'] = lockfile
 | |
|         args = [sys.executable] + sys.argv
 | |
|         # If a package was loaded with `python -m`, then `sys.argv` needs to be
 | |
|         # restored to the original value, or imports might break. See #1336
 | |
|         if getattr(sys.modules.get('__main__'), '__package__', None):
 | |
|             args[1:1] = ["-m", sys.modules['__main__'].__package__]
 | |
| 
 | |
|         try:
 | |
|             os.close(fd)  # We never write to this file
 | |
|             while os.path.exists(lockfile):
 | |
|                 p = subprocess.Popen(args, env=environ)
 | |
|                 while p.poll() is None:
 | |
|                     os.utime(lockfile, None)  # Tell child we are still alive
 | |
|                     time.sleep(interval)
 | |
|                 if p.returncode == 3:  # Child wants to be restarted
 | |
|                     continue
 | |
|                 sys.exit(p.returncode)
 | |
|         except KeyboardInterrupt:
 | |
|             pass
 | |
|         finally:
 | |
|             if os.path.exists(lockfile):
 | |
|                 os.unlink(lockfile)
 | |
|         return
 | |
| 
 | |
|     try:
 | |
|         if debug is not None: _debug(debug)
 | |
|         app = app or default_app()
 | |
|         if isinstance(app, basestring):
 | |
|             app = load_app(app)
 | |
|         if not callable(app):
 | |
|             raise ValueError("Application is not callable: %r" % app)
 | |
| 
 | |
|         for plugin in plugins or []:
 | |
|             if isinstance(plugin, basestring):
 | |
|                 plugin = load(plugin)
 | |
|             app.install(plugin)
 | |
| 
 | |
|         if config:
 | |
|             app.config.update(config)
 | |
| 
 | |
|         if server in server_names:
 | |
|             server = server_names.get(server)
 | |
|         if isinstance(server, basestring):
 | |
|             server = load(server)
 | |
|         if isinstance(server, type):
 | |
|             server = server(host=host, port=port, **kargs)
 | |
|         if not isinstance(server, ServerAdapter):
 | |
|             raise ValueError("Unknown or unsupported server: %r" % server)
 | |
| 
 | |
|         server.quiet = server.quiet or quiet
 | |
|         if not server.quiet:
 | |
|             _stderr("Bottle v%s server starting up (using %s)..." %
 | |
|                     (__version__, repr(server)))
 | |
|             if server.host.startswith("unix:"):
 | |
|                 _stderr("Listening on %s" % server.host)
 | |
|             else:
 | |
|                 _stderr("Listening on http://%s:%d/" %
 | |
|                         (server.host, server.port))
 | |
|             _stderr("Hit Ctrl-C to quit.\n")
 | |
| 
 | |
|         if reloader:
 | |
|             lockfile = os.environ.get('BOTTLE_LOCKFILE')
 | |
|             bgcheck = FileCheckerThread(lockfile, interval)
 | |
|             with bgcheck:
 | |
|                 server.run(app)
 | |
|             if bgcheck.status == 'reload':
 | |
|                 sys.exit(3)
 | |
|         else:
 | |
|             server.run(app)
 | |
|     except KeyboardInterrupt:
 | |
|         pass
 | |
|     except (SystemExit, MemoryError):
 | |
|         raise
 | |
|     except:
 | |
|         if not reloader: raise
 | |
|         if not getattr(server, 'quiet', quiet):
 | |
|             print_exc()
 | |
|         time.sleep(interval)
 | |
|         sys.exit(3)
 | |
| 
 | |
| 
 | |
| class FileCheckerThread(threading.Thread):
 | |
|     """ Interrupt main-thread as soon as a changed module file is detected,
 | |
|         the lockfile gets deleted or gets too old. """
 | |
| 
 | |
|     def __init__(self, lockfile, interval):
 | |
|         threading.Thread.__init__(self)
 | |
|         self.daemon = True
 | |
|         self.lockfile, self.interval = lockfile, interval
 | |
|         #: Is one of 'reload', 'error' or 'exit'
 | |
|         self.status = None
 | |
| 
 | |
|     def run(self):
 | |
|         exists = os.path.exists
 | |
|         mtime = lambda p: os.stat(p).st_mtime
 | |
|         files = dict()
 | |
| 
 | |
|         for module in list(sys.modules.values()):
 | |
|             path = getattr(module, '__file__', '') or ''
 | |
|             if path[-4:] in ('.pyo', '.pyc'): path = path[:-1]
 | |
|             if path and exists(path): files[path] = mtime(path)
 | |
| 
 | |
|         while not self.status:
 | |
|             if not exists(self.lockfile)\
 | |
|             or mtime(self.lockfile) < time.time() - self.interval - 5:
 | |
|                 self.status = 'error'
 | |
|                 thread.interrupt_main()
 | |
|             for path, lmtime in list(files.items()):
 | |
|                 if not exists(path) or mtime(path) > lmtime:
 | |
|                     self.status = 'reload'
 | |
|                     thread.interrupt_main()
 | |
|                     break
 | |
|             time.sleep(self.interval)
 | |
| 
 | |
|     def __enter__(self):
 | |
|         self.start()
 | |
| 
 | |
|     def __exit__(self, exc_type, *_):
 | |
|         if not self.status: self.status = 'exit'  # silent exit
 | |
|         self.join()
 | |
|         return exc_type is not None and issubclass(exc_type, KeyboardInterrupt)
 | |
| 
 | |
| ###############################################################################
 | |
| # Template Adapters ############################################################
 | |
| ###############################################################################
 | |
| 
 | |
| 
 | |
| class TemplateError(BottleException):
 | |
|     pass
 | |
| 
 | |
| 
 | |
| class BaseTemplate(object):
 | |
|     """ Base class and minimal API for template adapters """
 | |
|     extensions = ['tpl', 'html', 'thtml', 'stpl']
 | |
|     settings = {}  #used in prepare()
 | |
|     defaults = {}  #used in render()
 | |
| 
 | |
|     def __init__(self,
 | |
|                  source=None,
 | |
|                  name=None,
 | |
|                  lookup=None,
 | |
|                  encoding='utf8', **settings):
 | |
|         """ Create a new template.
 | |
|         If the source parameter (str or buffer) is missing, the name argument
 | |
|         is used to guess a template filename. Subclasses can assume that
 | |
|         self.source and/or self.filename are set. Both are strings.
 | |
|         The lookup, encoding and settings parameters are stored as instance
 | |
|         variables.
 | |
|         The lookup parameter stores a list containing directory paths.
 | |
|         The encoding parameter should be used to decode byte strings or files.
 | |
|         The settings parameter contains a dict for engine-specific settings.
 | |
|         """
 | |
|         self.name = name
 | |
|         self.source = source.read() if hasattr(source, 'read') else source
 | |
|         self.filename = source.filename if hasattr(source, 'filename') else None
 | |
|         self.lookup = [os.path.abspath(x) for x in lookup] if lookup else []
 | |
|         self.encoding = encoding
 | |
|         self.settings = self.settings.copy()  # Copy from class variable
 | |
|         self.settings.update(settings)  # Apply
 | |
|         if not self.source and self.name:
 | |
|             self.filename = self.search(self.name, self.lookup)
 | |
|             if not self.filename:
 | |
|                 raise TemplateError('Template %s not found.' % repr(name))
 | |
|         if not self.source and not self.filename:
 | |
|             raise TemplateError('No template specified.')
 | |
|         self.prepare(**self.settings)
 | |
| 
 | |
|     @classmethod
 | |
|     def search(cls, name, lookup=None):
 | |
|         """ Search name in all directories specified in lookup.
 | |
|         First without, then with common extensions. Return first hit. """
 | |
|         if not lookup:
 | |
|             raise depr(0, 12, "Empty template lookup path.", "Configure a template lookup path.")
 | |
| 
 | |
|         if os.path.isabs(name):
 | |
|             raise depr(0, 12, "Use of absolute path for template name.",
 | |
|                        "Refer to templates with names or paths relative to the lookup path.")
 | |
| 
 | |
|         for spath in lookup:
 | |
|             spath = os.path.abspath(spath) + os.sep
 | |
|             fname = os.path.abspath(os.path.join(spath, name))
 | |
|             if not fname.startswith(spath): continue
 | |
|             if os.path.isfile(fname): return fname
 | |
|             for ext in cls.extensions:
 | |
|                 if os.path.isfile('%s.%s' % (fname, ext)):
 | |
|                     return '%s.%s' % (fname, ext)
 | |
| 
 | |
|     @classmethod
 | |
|     def global_config(cls, key, *args):
 | |
|         """ This reads or sets the global settings stored in class.settings. """
 | |
|         if args:
 | |
|             cls.settings = cls.settings.copy()  # Make settings local to class
 | |
|             cls.settings[key] = args[0]
 | |
|         else:
 | |
|             return cls.settings[key]
 | |
| 
 | |
|     def prepare(self, **options):
 | |
|         """ Run preparations (parsing, caching, ...).
 | |
|         It should be possible to call this again to refresh a template or to
 | |
|         update settings.
 | |
|         """
 | |
|         raise NotImplementedError
 | |
| 
 | |
|     def render(self, *args, **kwargs):
 | |
|         """ Render the template with the specified local variables and return
 | |
|         a single byte or unicode string. If it is a byte string, the encoding
 | |
|         must match self.encoding. This method must be thread-safe!
 | |
|         Local variables may be provided in dictionaries (args)
 | |
|         or directly, as keywords (kwargs).
 | |
|         """
 | |
|         raise NotImplementedError
 | |
| 
 | |
| 
 | |
| class MakoTemplate(BaseTemplate):
 | |
|     def prepare(self, **options):
 | |
|         from mako.template import Template
 | |
|         from mako.lookup import TemplateLookup
 | |
|         options.update({'input_encoding': self.encoding})
 | |
|         options.setdefault('format_exceptions', bool(DEBUG))
 | |
|         lookup = TemplateLookup(directories=self.lookup, **options)
 | |
|         if self.source:
 | |
|             self.tpl = Template(self.source, lookup=lookup, **options)
 | |
|         else:
 | |
|             self.tpl = Template(uri=self.name,
 | |
|                                 filename=self.filename,
 | |
|                                 lookup=lookup, **options)
 | |
| 
 | |
|     def render(self, *args, **kwargs):
 | |
|         for dictarg in args:
 | |
|             kwargs.update(dictarg)
 | |
|         _defaults = self.defaults.copy()
 | |
|         _defaults.update(kwargs)
 | |
|         return self.tpl.render(**_defaults)
 | |
| 
 | |
| 
 | |
| class CheetahTemplate(BaseTemplate):
 | |
|     def prepare(self, **options):
 | |
|         from Cheetah.Template import Template
 | |
|         self.context = threading.local()
 | |
|         self.context.vars = {}
 | |
|         options['searchList'] = [self.context.vars]
 | |
|         if self.source:
 | |
|             self.tpl = Template(source=self.source, **options)
 | |
|         else:
 | |
|             self.tpl = Template(file=self.filename, **options)
 | |
| 
 | |
|     def render(self, *args, **kwargs):
 | |
|         for dictarg in args:
 | |
|             kwargs.update(dictarg)
 | |
|         self.context.vars.update(self.defaults)
 | |
|         self.context.vars.update(kwargs)
 | |
|         out = str(self.tpl)
 | |
|         self.context.vars.clear()
 | |
|         return out
 | |
| 
 | |
| 
 | |
| class Jinja2Template(BaseTemplate):
 | |
|     def prepare(self, filters=None, tests=None, globals={}, **kwargs):
 | |
|         from jinja2 import Environment, FunctionLoader
 | |
|         self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
 | |
|         if filters: self.env.filters.update(filters)
 | |
|         if tests: self.env.tests.update(tests)
 | |
|         if globals: self.env.globals.update(globals)
 | |
|         if self.source:
 | |
|             self.tpl = self.env.from_string(self.source)
 | |
|         else:
 | |
|             self.tpl = self.env.get_template(self.name)
 | |
| 
 | |
|     def render(self, *args, **kwargs):
 | |
|         for dictarg in args:
 | |
|             kwargs.update(dictarg)
 | |
|         _defaults = self.defaults.copy()
 | |
|         _defaults.update(kwargs)
 | |
|         return self.tpl.render(**_defaults)
 | |
| 
 | |
|     def loader(self, name):
 | |
|         if name == self.filename:
 | |
|             fname = name
 | |
|         else:
 | |
|             fname = self.search(name, self.lookup)
 | |
|         if not fname: return
 | |
|         with open(fname, "rb") as f:
 | |
|             return (f.read().decode(self.encoding), fname, lambda: False)
 | |
| 
 | |
| 
 | |
| class SimpleTemplate(BaseTemplate):
 | |
|     def prepare(self,
 | |
|                 escape_func=html_escape,
 | |
|                 noescape=False,
 | |
|                 syntax=None, **ka):
 | |
|         self.cache = {}
 | |
|         enc = self.encoding
 | |
|         self._str = lambda x: touni(x, enc)
 | |
|         self._escape = lambda x: escape_func(touni(x, enc))
 | |
|         self.syntax = syntax
 | |
|         if noescape:
 | |
|             self._str, self._escape = self._escape, self._str
 | |
| 
 | |
|     @cached_property
 | |
|     def co(self):
 | |
|         return compile(self.code, self.filename or '<string>', 'exec')
 | |
| 
 | |
|     @cached_property
 | |
|     def code(self):
 | |
|         source = self.source
 | |
|         if not source:
 | |
|             with open(self.filename, 'rb') as f:
 | |
|                 source = f.read()
 | |
|         try:
 | |
|             source, encoding = touni(source), 'utf8'
 | |
|         except UnicodeError:
 | |
|             raise depr(0, 11, 'Unsupported template encodings.', 'Use utf-8 for templates.')
 | |
|         parser = StplParser(source, encoding=encoding, syntax=self.syntax)
 | |
|         code = parser.translate()
 | |
|         self.encoding = parser.encoding
 | |
|         return code
 | |
| 
 | |
|     def _rebase(self, _env, _name=None, **kwargs):
 | |
|         _env['_rebase'] = (_name, kwargs)
 | |
| 
 | |
|     def _include(self, _env, _name=None, **kwargs):
 | |
|         env = _env.copy()
 | |
|         env.update(kwargs)
 | |
|         if _name not in self.cache:
 | |
|             self.cache[_name] = self.__class__(name=_name, lookup=self.lookup, syntax=self.syntax)
 | |
|         return self.cache[_name].execute(env['_stdout'], env)
 | |
| 
 | |
|     def execute(self, _stdout, kwargs):
 | |
|         env = self.defaults.copy()
 | |
|         env.update(kwargs)
 | |
|         env.update({
 | |
|             '_stdout': _stdout,
 | |
|             '_printlist': _stdout.extend,
 | |
|             'include': functools.partial(self._include, env),
 | |
|             'rebase': functools.partial(self._rebase, env),
 | |
|             '_rebase': None,
 | |
|             '_str': self._str,
 | |
|             '_escape': self._escape,
 | |
|             'get': env.get,
 | |
|             'setdefault': env.setdefault,
 | |
|             'defined': env.__contains__
 | |
|         })
 | |
|         exec(self.co, env)
 | |
|         if env.get('_rebase'):
 | |
|             subtpl, rargs = env.pop('_rebase')
 | |
|             rargs['base'] = ''.join(_stdout)  #copy stdout
 | |
|             del _stdout[:]  # clear stdout
 | |
|             return self._include(env, subtpl, **rargs)
 | |
|         return env
 | |
| 
 | |
|     def render(self, *args, **kwargs):
 | |
|         """ Render the template using keyword arguments as local variables. """
 | |
|         env = {}
 | |
|         stdout = []
 | |
|         for dictarg in args:
 | |
|             env.update(dictarg)
 | |
|         env.update(kwargs)
 | |
|         self.execute(stdout, env)
 | |
|         return ''.join(stdout)
 | |
| 
 | |
| 
 | |
| class StplSyntaxError(TemplateError):
 | |
|     pass
 | |
| 
 | |
| 
 | |
| class StplParser(object):
 | |
|     """ Parser for stpl templates. """
 | |
|     _re_cache = {}  #: Cache for compiled re patterns
 | |
| 
 | |
|     # This huge pile of voodoo magic splits python code into 8 different tokens.
 | |
|     # We use the verbose (?x) regex mode to make this more manageable
 | |
| 
 | |
|     _re_tok = r'''(
 | |
|         [urbURB]*
 | |
|         (?:  ''(?!')
 | |
|             |""(?!")
 | |
|             |'{6}
 | |
|             |"{6}
 | |
|             |'(?:[^\\']|\\.)+?'
 | |
|             |"(?:[^\\"]|\\.)+?"
 | |
|             |'{3}(?:[^\\]|\\.|\n)+?'{3}
 | |
|             |"{3}(?:[^\\]|\\.|\n)+?"{3}
 | |
|         )
 | |
|     )'''
 | |
| 
 | |
|     _re_inl = _re_tok.replace(r'|\n', '')  # We re-use this string pattern later
 | |
| 
 | |
|     _re_tok += r'''
 | |
|         # 2: Comments (until end of line, but not the newline itself)
 | |
|         |(\#.*)
 | |
| 
 | |
|         # 3: Open and close (4) grouping tokens
 | |
|         |([\[\{\(])
 | |
|         |([\]\}\)])
 | |
| 
 | |
|         # 5,6: Keywords that start or continue a python block (only start of line)
 | |
|         |^([\ \t]*(?:if|for|while|with|try|def|class)\b)
 | |
|         |^([\ \t]*(?:elif|else|except|finally)\b)
 | |
| 
 | |
|         # 7: Our special 'end' keyword (but only if it stands alone)
 | |
|         |((?:^|;)[\ \t]*end[\ \t]*(?=(?:%(block_close)s[\ \t]*)?\r?$|;|\#))
 | |
| 
 | |
|         # 8: A customizable end-of-code-block template token (only end of line)
 | |
|         |(%(block_close)s[\ \t]*(?=\r?$))
 | |
| 
 | |
|         # 9: And finally, a single newline. The 10th token is 'everything else'
 | |
|         |(\r?\n)
 | |
|     '''
 | |
| 
 | |
|     # Match the start tokens of code areas in a template
 | |
|     _re_split = r'''(?m)^[ \t]*(\\?)((%(line_start)s)|(%(block_start)s))'''
 | |
|     # Match inline statements (may contain python strings)
 | |
|     _re_inl = r'''%%(inline_start)s((?:%s|[^'"\n])*?)%%(inline_end)s''' % _re_inl
 | |
| 
 | |
|     # add the flag in front of the regexp to avoid Deprecation warning (see Issue #949)
 | |
|     # verbose and dot-matches-newline mode
 | |
|     _re_tok = '(?mx)' + _re_tok
 | |
|     _re_inl = '(?mx)' + _re_inl
 | |
| 
 | |
| 
 | |
|     default_syntax = '<% %> % {{ }}'
 | |
| 
 | |
|     def __init__(self, source, syntax=None, encoding='utf8'):
 | |
|         self.source, self.encoding = touni(source, encoding), encoding
 | |
|         self.set_syntax(syntax or self.default_syntax)
 | |
|         self.code_buffer, self.text_buffer = [], []
 | |
|         self.lineno, self.offset = 1, 0
 | |
|         self.indent, self.indent_mod = 0, 0
 | |
|         self.paren_depth = 0
 | |
| 
 | |
|     def get_syntax(self):
 | |
|         """ Tokens as a space separated string (default: <% %> % {{ }}) """
 | |
|         return self._syntax
 | |
| 
 | |
|     def set_syntax(self, syntax):
 | |
|         self._syntax = syntax
 | |
|         self._tokens = syntax.split()
 | |
|         if syntax not in self._re_cache:
 | |
|             names = 'block_start block_close line_start inline_start inline_end'
 | |
|             etokens = map(re.escape, self._tokens)
 | |
|             pattern_vars = dict(zip(names.split(), etokens))
 | |
|             patterns = (self._re_split, self._re_tok, self._re_inl)
 | |
|             patterns = [re.compile(p % pattern_vars) for p in patterns]
 | |
|             self._re_cache[syntax] = patterns
 | |
|         self.re_split, self.re_tok, self.re_inl = self._re_cache[syntax]
 | |
| 
 | |
|     syntax = property(get_syntax, set_syntax)
 | |
| 
 | |
|     def translate(self):
 | |
|         if self.offset: raise RuntimeError('Parser is a one time instance.')
 | |
|         while True:
 | |
|             m = self.re_split.search(self.source, pos=self.offset)
 | |
|             if m:
 | |
|                 text = self.source[self.offset:m.start()]
 | |
|                 self.text_buffer.append(text)
 | |
|                 self.offset = m.end()
 | |
|                 if m.group(1):  # Escape syntax
 | |
|                     line, sep, _ = self.source[self.offset:].partition('\n')
 | |
|                     self.text_buffer.append(self.source[m.start():m.start(1)] +
 | |
|                                             m.group(2) + line + sep)
 | |
|                     self.offset += len(line + sep)
 | |
|                     continue
 | |
|                 self.flush_text()
 | |
|                 self.offset += self.read_code(self.source[self.offset:],
 | |
|                                               multiline=bool(m.group(4)))
 | |
|             else:
 | |
|                 break
 | |
|         self.text_buffer.append(self.source[self.offset:])
 | |
|         self.flush_text()
 | |
|         return ''.join(self.code_buffer)
 | |
| 
 | |
|     def read_code(self, pysource, multiline):
 | |
|         code_line, comment = '', ''
 | |
|         offset = 0
 | |
|         while True:
 | |
|             m = self.re_tok.search(pysource, pos=offset)
 | |
|             if not m:
 | |
|                 code_line += pysource[offset:]
 | |
|                 offset = len(pysource)
 | |
|                 self.write_code(code_line.strip(), comment)
 | |
|                 break
 | |
|             code_line += pysource[offset:m.start()]
 | |
|             offset = m.end()
 | |
|             _str, _com, _po, _pc, _blk1, _blk2, _end, _cend, _nl = m.groups()
 | |
|             if self.paren_depth > 0 and (_blk1 or _blk2):  # a if b else c
 | |
|                 code_line += _blk1 or _blk2
 | |
|                 continue
 | |
|             if _str:  # Python string
 | |
|                 code_line += _str
 | |
|             elif _com:  # Python comment (up to EOL)
 | |
|                 comment = _com
 | |
|                 if multiline and _com.strip().endswith(self._tokens[1]):
 | |
|                     multiline = False  # Allow end-of-block in comments
 | |
|             elif _po:  # open parenthesis
 | |
|                 self.paren_depth += 1
 | |
|                 code_line += _po
 | |
|             elif _pc:  # close parenthesis
 | |
|                 if self.paren_depth > 0:
 | |
|                     # we could check for matching parentheses here, but it's
 | |
|                     # easier to leave that to python - just check counts
 | |
|                     self.paren_depth -= 1
 | |
|                 code_line += _pc
 | |
|             elif _blk1:  # Start-block keyword (if/for/while/def/try/...)
 | |
|                 code_line = _blk1
 | |
|                 self.indent += 1
 | |
|                 self.indent_mod -= 1
 | |
|             elif _blk2:  # Continue-block keyword (else/elif/except/...)
 | |
|                 code_line = _blk2
 | |
|                 self.indent_mod -= 1
 | |
|             elif _cend:  # The end-code-block template token (usually '%>')
 | |
|                 if multiline: multiline = False
 | |
|                 else: code_line += _cend
 | |
|             elif _end:
 | |
|                 self.indent -= 1
 | |
|                 self.indent_mod += 1
 | |
|             else:  # \n
 | |
|                 self.write_code(code_line.strip(), comment)
 | |
|                 self.lineno += 1
 | |
|                 code_line, comment, self.indent_mod = '', '', 0
 | |
|                 if not multiline:
 | |
|                     break
 | |
| 
 | |
|         return offset
 | |
| 
 | |
|     def flush_text(self):
 | |
|         text = ''.join(self.text_buffer)
 | |
|         del self.text_buffer[:]
 | |
|         if not text: return
 | |
|         parts, pos, nl = [], 0, '\\\n' + '  ' * self.indent
 | |
|         for m in self.re_inl.finditer(text):
 | |
|             prefix, pos = text[pos:m.start()], m.end()
 | |
|             if prefix:
 | |
|                 parts.append(nl.join(map(repr, prefix.splitlines(True))))
 | |
|             if prefix.endswith('\n'): parts[-1] += nl
 | |
|             parts.append(self.process_inline(m.group(1).strip()))
 | |
|         if pos < len(text):
 | |
|             prefix = text[pos:]
 | |
|             lines = prefix.splitlines(True)
 | |
|             if lines[-1].endswith('\\\\\n'): lines[-1] = lines[-1][:-3]
 | |
|             elif lines[-1].endswith('\\\\\r\n'): lines[-1] = lines[-1][:-4]
 | |
|             parts.append(nl.join(map(repr, lines)))
 | |
|         code = '_printlist((%s,))' % ', '.join(parts)
 | |
|         self.lineno += code.count('\n') + 1
 | |
|         self.write_code(code)
 | |
| 
 | |
|     @staticmethod
 | |
|     def process_inline(chunk):
 | |
|         if chunk[0] == '!': return '_str(%s)' % chunk[1:]
 | |
|         return '_escape(%s)' % chunk
 | |
| 
 | |
|     def write_code(self, line, comment=''):
 | |
|         code = '  ' * (self.indent + self.indent_mod)
 | |
|         code += line.lstrip() + comment + '\n'
 | |
|         self.code_buffer.append(code)
 | |
| 
 | |
| 
 | |
| def template(*args, **kwargs):
 | |
|     """
 | |
|     Get a rendered template as a string iterator.
 | |
|     You can use a name, a filename or a template string as first parameter.
 | |
|     Template rendering arguments can be passed as dictionaries
 | |
|     or directly (as keyword arguments).
 | |
|     """
 | |
|     tpl = args[0] if args else None
 | |
|     for dictarg in args[1:]:
 | |
|         kwargs.update(dictarg)
 | |
|     adapter = kwargs.pop('template_adapter', SimpleTemplate)
 | |
|     lookup = kwargs.pop('template_lookup', TEMPLATE_PATH)
 | |
|     tplid = (id(lookup), tpl)
 | |
|     if tplid not in TEMPLATES or DEBUG:
 | |
|         settings = kwargs.pop('template_settings', {})
 | |
|         if isinstance(tpl, adapter):
 | |
|             TEMPLATES[tplid] = tpl
 | |
|             if settings: TEMPLATES[tplid].prepare(**settings)
 | |
|         elif "\n" in tpl or "{" in tpl or "%" in tpl or '$' in tpl:
 | |
|             TEMPLATES[tplid] = adapter(source=tpl, lookup=lookup, **settings)
 | |
|         else:
 | |
|             TEMPLATES[tplid] = adapter(name=tpl, lookup=lookup, **settings)
 | |
|     if not TEMPLATES[tplid]:
 | |
|         abort(500, 'Template (%s) not found' % tpl)
 | |
|     return TEMPLATES[tplid].render(kwargs)
 | |
| 
 | |
| 
 | |
| mako_template = functools.partial(template, template_adapter=MakoTemplate)
 | |
| cheetah_template = functools.partial(template,
 | |
|                                      template_adapter=CheetahTemplate)
 | |
| jinja2_template = functools.partial(template, template_adapter=Jinja2Template)
 | |
| 
 | |
| 
 | |
| def view(tpl_name, **defaults):
 | |
|     """ Decorator: renders a template for a handler.
 | |
|         The handler can control its behavior like that:
 | |
| 
 | |
|           - return a dict of template vars to fill out the template
 | |
|           - return something other than a dict and the view decorator will not
 | |
|             process the template, but return the handler result as is.
 | |
|             This includes returning a HTTPResponse(dict) to get,
 | |
|             for instance, JSON with autojson or other castfilters.
 | |
|     """
 | |
| 
 | |
|     def decorator(func):
 | |
| 
 | |
|         @functools.wraps(func)
 | |
|         def wrapper(*args, **kwargs):
 | |
|             result = func(*args, **kwargs)
 | |
|             if isinstance(result, (dict, DictMixin)):
 | |
|                 tplvars = defaults.copy()
 | |
|                 tplvars.update(result)
 | |
|                 return template(tpl_name, **tplvars)
 | |
|             elif result is None:
 | |
|                 return template(tpl_name, defaults)
 | |
|             return result
 | |
| 
 | |
|         return wrapper
 | |
| 
 | |
|     return decorator
 | |
| 
 | |
| 
 | |
| mako_view = functools.partial(view, template_adapter=MakoTemplate)
 | |
| cheetah_view = functools.partial(view, template_adapter=CheetahTemplate)
 | |
| jinja2_view = functools.partial(view, template_adapter=Jinja2Template)
 | |
| 
 | |
| ###############################################################################
 | |
| # Constants and Globals ########################################################
 | |
| ###############################################################################
 | |
| 
 | |
| TEMPLATE_PATH = ['./', './views/']
 | |
| TEMPLATES = {}
 | |
| DEBUG = False
 | |
| NORUN = False  # If set, run() does nothing. Used by load_app()
 | |
| 
 | |
| #: A dict to map HTTP status codes (e.g. 404) to phrases (e.g. 'Not Found')
 | |
| HTTP_CODES = httplib.responses.copy()
 | |
| HTTP_CODES[418] = "I'm a teapot"  # RFC 2324
 | |
| HTTP_CODES[428] = "Precondition Required"
 | |
| HTTP_CODES[429] = "Too Many Requests"
 | |
| HTTP_CODES[431] = "Request Header Fields Too Large"
 | |
| HTTP_CODES[451] = "Unavailable For Legal Reasons" # RFC 7725
 | |
| HTTP_CODES[511] = "Network Authentication Required"
 | |
| _HTTP_STATUS_LINES = dict((k, '%d %s' % (k, v))
 | |
|                           for (k, v) in HTTP_CODES.items())
 | |
| 
 | |
| #: The default template used for error pages. Override with @error()
 | |
| ERROR_PAGE_TEMPLATE = """
 | |
| %%try:
 | |
|     %%from %s import DEBUG, request
 | |
|     <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
 | |
|     <html>
 | |
|         <head>
 | |
|             <title>Error: {{e.status}}</title>
 | |
|             <style type="text/css">
 | |
|               html {background-color: #eee; font-family: sans-serif;}
 | |
|               body {background-color: #fff; border: 1px solid #ddd;
 | |
|                     padding: 15px; margin: 15px;}
 | |
|               pre {background-color: #eee; border: 1px solid #ddd; padding: 5px;}
 | |
|             </style>
 | |
|         </head>
 | |
|         <body>
 | |
|             <h1>Error: {{e.status}}</h1>
 | |
|             <p>Sorry, the requested URL <tt>{{repr(request.url)}}</tt>
 | |
|                caused an error:</p>
 | |
|             <pre>{{e.body}}</pre>
 | |
|             %%if DEBUG and e.exception:
 | |
|               <h2>Exception:</h2>
 | |
|               %%try:
 | |
|                 %%exc = repr(e.exception)
 | |
|               %%except:
 | |
|                 %%exc = '<unprintable %%s object>' %% type(e.exception).__name__
 | |
|               %%end
 | |
|               <pre>{{exc}}</pre>
 | |
|             %%end
 | |
|             %%if DEBUG and e.traceback:
 | |
|               <h2>Traceback:</h2>
 | |
|               <pre>{{e.traceback}}</pre>
 | |
|             %%end
 | |
|         </body>
 | |
|     </html>
 | |
| %%except ImportError:
 | |
|     <b>ImportError:</b> Could not generate the error page. Please add bottle to
 | |
|     the import path.
 | |
| %%end
 | |
| """ % __name__
 | |
| 
 | |
| #: A thread-safe instance of :class:`LocalRequest`. If accessed from within a
 | |
| #: request callback, this instance always refers to the *current* request
 | |
| #: (even on a multi-threaded server).
 | |
| request = LocalRequest()
 | |
| 
 | |
| #: A thread-safe instance of :class:`LocalResponse`. It is used to change the
 | |
| #: HTTP response for the *current* request.
 | |
| response = LocalResponse()
 | |
| 
 | |
| #: A thread-safe namespace. Not used by Bottle.
 | |
| local = threading.local()
 | |
| 
 | |
| # Initialize app stack (create first empty Bottle app now deferred until needed)
 | |
| # BC: 0.6.4 and needed for run()
 | |
| apps = app = default_app = AppStack()
 | |
| 
 | |
| #: A virtual package that redirects import statements.
 | |
| #: Example: ``import bottle.ext.sqlite`` actually imports `bottle_sqlite`.
 | |
| ext = _ImportRedirect('bottle.ext' if __name__ == '__main__' else
 | |
|                       __name__ + ".ext", 'bottle_%s').module
 | |
| 
 | |
| 
 | |
| def _main(argv):  # pragma: no coverage
 | |
|     args, parser = _cli_parse(argv)
 | |
| 
 | |
|     def _cli_error(cli_msg):
 | |
|         parser.print_help()
 | |
|         _stderr('\nError: %s\n' % cli_msg)
 | |
|         sys.exit(1)
 | |
| 
 | |
|     if args.version:
 | |
|         print('Bottle %s' % __version__)
 | |
|         sys.exit(0)
 | |
|     if not args.app:
 | |
|         _cli_error("No application entry point specified.")
 | |
| 
 | |
|     sys.path.insert(0, '.')
 | |
|     sys.modules.setdefault('bottle', sys.modules['__main__'])
 | |
| 
 | |
|     host, port = (args.bind or 'localhost'), 8080
 | |
|     if ':' in host and host.rfind(']') < host.rfind(':'):
 | |
|         host, port = host.rsplit(':', 1)
 | |
|     host = host.strip('[]')
 | |
| 
 | |
|     config = ConfigDict()
 | |
| 
 | |
|     for cfile in args.conf or []:
 | |
|         try:
 | |
|             if cfile.endswith('.json'):
 | |
|                 with open(cfile, 'rb') as fp:
 | |
|                     config.load_dict(json_loads(fp.read()))
 | |
|             else:
 | |
|                 config.load_config(cfile)
 | |
|         except configparser.Error as parse_error:
 | |
|             _cli_error(parse_error)
 | |
|         except IOError:
 | |
|             _cli_error("Unable to read config file %r" % cfile)
 | |
|         except (UnicodeError, TypeError, ValueError) as error:
 | |
|             _cli_error("Unable to parse config file %r: %s" % (cfile, error))
 | |
| 
 | |
|     for cval in args.param or []:
 | |
|         if '=' in cval:
 | |
|             config.update((cval.split('=', 1),))
 | |
|         else:
 | |
|             config[cval] = True
 | |
| 
 | |
|     run(args.app,
 | |
|         host=host,
 | |
|         port=int(port),
 | |
|         server=args.server,
 | |
|         reloader=args.reload,
 | |
|         plugins=args.plugin,
 | |
|         debug=args.debug,
 | |
|         config=config)
 | |
| 
 | |
| 
 | |
| if __name__ == '__main__':  # pragma: no coverage
 | |
|     _main(sys.argv)
 |