mirror of
https://github.com/Infinidat/infi.clickhouse_orm.git
synced 2024-11-22 09:06:41 +03:00
139 lines
4.8 KiB
Python
139 lines
4.8 KiB
Python
|
|
import inspect
|
|
from collections import namedtuple
|
|
|
|
DefaultArgSpec = namedtuple('DefaultArgSpec', 'has_default default_value')
|
|
|
|
def _get_default_arg(args, defaults, arg_index):
|
|
""" Method that determines if an argument has default value or not,
|
|
and if yes what is the default value for the argument
|
|
|
|
:param args: array of arguments, eg: ['first_arg', 'second_arg', 'third_arg']
|
|
:param defaults: array of default values, eg: (42, 'something')
|
|
:param arg_index: index of the argument in the argument array for which,
|
|
this function checks if a default value exists or not. And if default value
|
|
exists it would return the default value. Example argument: 1
|
|
:return: Tuple of whether there is a default or not, and if yes the default
|
|
value, eg: for index 2 i.e. for "second_arg" this function returns (True, 42)
|
|
"""
|
|
if not defaults:
|
|
return DefaultArgSpec(False, None)
|
|
|
|
args_with_no_defaults = len(args) - len(defaults)
|
|
|
|
if arg_index < args_with_no_defaults:
|
|
return DefaultArgSpec(False, None)
|
|
else:
|
|
value = defaults[arg_index - args_with_no_defaults]
|
|
if (type(value) is str):
|
|
value = '"%s"' % value
|
|
return DefaultArgSpec(True, value)
|
|
|
|
def get_method_sig(method):
|
|
""" Given a function, it returns a string that pretty much looks how the
|
|
function signature would be written in python.
|
|
|
|
:param method: a python method
|
|
:return: A string similar describing the pythong method signature.
|
|
eg: "my_method(first_argArg, second_arg=42, third_arg='something')"
|
|
"""
|
|
|
|
# The return value of ArgSpec is a bit weird, as the list of arguments and
|
|
# list of defaults are returned in separate array.
|
|
# eg: ArgSpec(args=['first_arg', 'second_arg', 'third_arg'],
|
|
# varargs=None, keywords=None, defaults=(42, 'something'))
|
|
argspec = inspect.getargspec(method)
|
|
arg_index=0
|
|
args = []
|
|
|
|
# Use the args and defaults array returned by argspec and find out
|
|
# which arguments has default
|
|
for arg in argspec.args:
|
|
default_arg = _get_default_arg(argspec.args, argspec.defaults, arg_index)
|
|
if default_arg.has_default:
|
|
val = default_arg.default_value
|
|
if isinstance(val, basestring):
|
|
val = '"' + val + '"'
|
|
args.append("%s=%s" % (arg, val))
|
|
else:
|
|
args.append(arg)
|
|
arg_index += 1
|
|
if argspec.varargs:
|
|
args.append('*' + argspec.varargs)
|
|
if argspec.keywords:
|
|
args.append('**' + argspec.keywords)
|
|
return "%s(%s)" % (method.__name__, ", ".join(args[1:]))
|
|
|
|
|
|
def docstring(obj):
|
|
doc = (obj.__doc__ or '').rstrip()
|
|
if doc:
|
|
lines = doc.split('\n')
|
|
# Find the length of the whitespace prefix common to all non-empty lines
|
|
indentation = min(len(line) - len(line.lstrip()) for line in lines if line.strip())
|
|
# Output the lines without the indentation
|
|
for line in lines:
|
|
print line[indentation:]
|
|
print
|
|
|
|
|
|
def class_doc(cls, list_methods=True):
|
|
bases = ', '.join([b.__name__ for b in cls.__bases__])
|
|
print '###', cls.__name__
|
|
print
|
|
if bases != 'object':
|
|
print 'Extends', bases
|
|
print
|
|
docstring(cls)
|
|
for name, method in inspect.getmembers(cls, inspect.ismethod):
|
|
if name == '__init__':
|
|
# Initializer
|
|
print '####', get_method_sig(method).replace(name, cls.__name__)
|
|
elif name[0] == '_':
|
|
# Private method
|
|
continue
|
|
elif method.__self__ == cls:
|
|
# Class method
|
|
if not list_methods:
|
|
continue
|
|
print '#### %s.%s' % (cls.__name__, get_method_sig(method))
|
|
else:
|
|
# Regular method
|
|
if not list_methods:
|
|
continue
|
|
print '####', get_method_sig(method)
|
|
print
|
|
docstring(method)
|
|
print
|
|
|
|
|
|
def module_doc(classes, list_methods=True):
|
|
mdl = classes[0].__module__
|
|
print mdl
|
|
print '-' * len(mdl)
|
|
print
|
|
for cls in classes:
|
|
class_doc(cls, list_methods)
|
|
|
|
|
|
def all_subclasses(cls):
|
|
return cls.__subclasses__() + [g for s in cls.__subclasses__() for g in all_subclasses(s)]
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
from infi.clickhouse_orm import database
|
|
from infi.clickhouse_orm import fields
|
|
from infi.clickhouse_orm import engines
|
|
from infi.clickhouse_orm import models
|
|
from infi.clickhouse_orm import query
|
|
|
|
print 'Class Reference'
|
|
print '==============='
|
|
print
|
|
module_doc([database.Database, database.DatabaseException])
|
|
module_doc([models.Model, models.BufferModel, models.DistributedModel])
|
|
module_doc(sorted([fields.Field] + all_subclasses(fields.Field), key=lambda x: x.__name__), False)
|
|
module_doc([engines.Engine] + all_subclasses(engines.Engine), False)
|
|
module_doc([query.QuerySet, query.AggregateQuerySet])
|