mirror of
https://github.com/encode/django-rest-framework.git
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Merge pull request #175 from izquierdo/custom_reverse
Custom reverse() and drop set_script_prefix
This commit is contained in:
commit
49ebaf106d
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@ -1,10 +1,10 @@
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from django import forms
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from django.core.urlresolvers import reverse, get_urlconf, get_resolver, NoReverseMatch
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from django.core.urlresolvers import get_urlconf, get_resolver, NoReverseMatch
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from django.db import models
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from djangorestframework.response import ErrorResponse
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from djangorestframework.serializer import Serializer, _SkipField
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from djangorestframework.utils import as_tuple
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from djangorestframework.utils import as_tuple, reverse
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class BaseResource(Serializer):
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@ -354,7 +354,7 @@ class ModelResource(FormResource):
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instance_attrs[param] = attr
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try:
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return reverse(self.view_callable[0], kwargs=instance_attrs)
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return reverse(self.view_callable[0], self.view.request, kwargs=instance_attrs)
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except NoReverseMatch:
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pass
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raise _SkipField
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@ -1,8 +1,8 @@
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from django.conf.urls.defaults import patterns, url
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from django.core.urlresolvers import reverse
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from django.test import TestCase
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from django.utils import simplejson as json
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from djangorestframework.utils import reverse
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from djangorestframework.views import View
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@ -11,7 +11,7 @@ class MockView(View):
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permissions = ()
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def get(self, request):
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return reverse('another')
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return reverse('another', request)
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urlpatterns = patterns('',
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url(r'^$', MockView.as_view()),
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@ -1,6 +1,7 @@
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import django
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from django.utils.encoding import smart_unicode
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from django.utils.xmlutils import SimplerXMLGenerator
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from django.core.urlresolvers import resolve
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from django.core.urlresolvers import resolve, reverse as django_reverse
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from django.conf import settings
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from djangorestframework.compat import StringIO
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@ -173,3 +174,21 @@ class XMLRenderer():
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def dict2xml(input):
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return XMLRenderer().dict2xml(input)
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def reverse(viewname, request, *args, **kwargs):
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"""
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Do the same as :py:func:`django.core.urlresolvers.reverse` but using
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*request* to build a fully qualified URL.
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"""
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return request.build_absolute_uri(django_reverse(viewname, *args, **kwargs))
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if django.VERSION >= (1, 4):
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from django.core.urlresolvers import reverse_lazy as django_reverse_lazy
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def reverse_lazy(viewname, request, *args, **kwargs):
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"""
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Do the same as :py:func:`django.core.urlresolvers.reverse_lazy` but using
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*request* to build a fully qualified URL.
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"""
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return request.build_absolute_uri(django_reverse_lazy(viewname, *args, **kwargs))
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@ -181,20 +181,12 @@ class View(ResourceMixin, RequestMixin, ResponseMixin, AuthMixin, DjangoView):
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Required if you want to do things like set `request.upload_handlers` before
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the authentication and dispatch handling is run.
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"""
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# Calls to 'reverse' will not be fully qualified unless we set the
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# scheme/host/port here.
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self.orig_prefix = get_script_prefix()
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if not (self.orig_prefix.startswith('http:') or self.orig_prefix.startswith('https:')):
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prefix = '%s://%s' % (request.is_secure() and 'https' or 'http', request.get_host())
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set_script_prefix(prefix + self.orig_prefix)
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return request
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def final(self, request, response, *args, **kargs):
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"""
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Hook for any code that needs to run after everything else in the view.
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"""
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# Restore script_prefix.
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set_script_prefix(self.orig_prefix)
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# Always add these headers.
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response.headers['Allow'] = ', '.join(self.allowed_methods)
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# sample to allow caching using Vary http header
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47
docs/howto/reverse.rst
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47
docs/howto/reverse.rst
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Returning URIs from your Web APIs
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=================================
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"The central feature that distinguishes the REST architectural style from
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other network-based styles is its emphasis on a uniform interface between
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components."
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-- Roy Fielding, Architectural Styles and the Design of Network-based Software Architectures
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As a rule, it's probably better practice to return absolute URIs from you web APIs, e.g. "http://example.com/foobar", rather than returning relative URIs, e.g. "/foobar".
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The advantages of doing so are:
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* It's more explicit.
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* It leaves less work for your API clients.
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* There's no ambiguity about the meaning of the string when it's found in representations such as JSON that do not have a native URI type.
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* It allows us to easily do things like markup HTML representations with hyperlinks.
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Django REST framework provides two utility functions to make it simpler to return absolute URIs from your Web API.
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There's no requirement for you to use them, but if you do then the self-describing API will be able to automatically hyperlink its output for you, which makes browsing the API much easier.
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reverse(viewname, request, ...)
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-------------------------------
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The :py:func:`~utils.reverse` function has the same behavior as :py:func:`django.core.urlresolvers.reverse` [1]_, except that it takes a request object and returns a fully qualified URL, using the request to determine the host and port::
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from djangorestframework.utils import reverse
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from djangorestframework.views import View
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class MyView(View):
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def get(self, request):
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context = {
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'url': reverse('year-summary', request, args=[1945])
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}
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return Response(context)
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reverse_lazy(viewname, request, ...)
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------------------------------------
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The :py:func:`~utils.reverse_lazy` function has the same behavior as :py:func:`django.core.urlresolvers.reverse_lazy` [2]_, except that it takes a request object and returns a fully qualified URL, using the request to determine the host and port.
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.. rubric:: Footnotes
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.. [1] https://docs.djangoproject.com/en/dev/topics/http/urls/#reverse
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.. [2] https://docs.djangoproject.com/en/dev/topics/http/urls/#reverse-lazy
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5
docs/library/utils.rst
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5
docs/library/utils.rst
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:mod:`utils`
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==============
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.. automodule:: utils
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:members:
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from django.core.urlresolvers import reverse
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from djangorestframework.resources import ModelResource
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from djangorestframework.utils import reverse
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from blogpost.models import BlogPost, Comment
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@ -12,7 +12,7 @@ class BlogPostResource(ModelResource):
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ordering = ('-created',)
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def comments(self, instance):
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return reverse('comments', kwargs={'blogpost': instance.key})
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return reverse('comments', request, kwargs={'blogpost': instance.key})
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class CommentResource(ModelResource):
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ordering = ('-created',)
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def blogpost(self, instance):
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return reverse('blog-post', kwargs={'key': instance.blogpost.key})
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return reverse('blog-post', request, kwargs={'key': instance.blogpost.key})
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"""Test a range of REST API usage of the example application.
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"""
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from django.core.urlresolvers import reverse
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from django.test import TestCase
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from django.core.urlresolvers import reverse
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from django.utils import simplejson as json
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from djangorestframework.compat import RequestFactory
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from djangorestframework.utils import reverse
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from djangorestframework.views import InstanceModelView, ListOrCreateModelView
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from blogpost import models, urls
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@ -2,9 +2,9 @@ from djangorestframework.compat import View # Use Django 1.3's django.views.gen
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from djangorestframework.mixins import ResponseMixin
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from djangorestframework.renderers import DEFAULT_RENDERERS
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from djangorestframework.response import Response
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from djangorestframework.utils import reverse
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from django.conf.urls.defaults import patterns, url
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from django.core.urlresolvers import reverse
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class ExampleView(ResponseMixin, View):
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def get(self, request):
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response = Response(200, {'description': 'Some example content',
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'url': reverse('mixin-view')})
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'url': reverse('mixin-view', request)})
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return self.render(response)
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from django.conf import settings
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from django.core.urlresolvers import reverse
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from djangorestframework.utils import reverse
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from djangorestframework.views import View
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from djangorestframework.response import Response
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from djangorestframework import status
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filepaths = [os.path.join(OBJECT_STORE_DIR, file) for file in os.listdir(OBJECT_STORE_DIR) if not file.startswith('.')]
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ctime_sorted_basenames = [item[0] for item in sorted([(os.path.basename(path), os.path.getctime(path)) for path in filepaths],
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key=operator.itemgetter(1), reverse=True)]
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return [reverse('stored-object', kwargs={'key':key}) for key in ctime_sorted_basenames]
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return [reverse('stored-object', request, kwargs={'key':key}) for key in ctime_sorted_basenames]
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def post(self, request):
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"""
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pathname = os.path.join(OBJECT_STORE_DIR, key)
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pickle.dump(self.CONTENT, open(pathname, 'wb'))
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remove_oldest_files(OBJECT_STORE_DIR, MAX_FILES)
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return Response(status.HTTP_201_CREATED, self.CONTENT, {'Location': reverse('stored-object', kwargs={'key':key})})
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return Response(status.HTTP_201_CREATED, self.CONTENT, {'Location': reverse('stored-object', request, kwargs={'key':key})})
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class StoredObject(View):
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from djangorestframework.views import View
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from djangorestframework.permissions import PerUserThrottling, IsAuthenticated
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from django.core.urlresolvers import reverse
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from djangorestframework.utils import reverse
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class PermissionsExampleView(View):
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return [
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{
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'name': 'Throttling Example',
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'url': reverse('throttled-resource')
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'url': reverse('throttled-resource', request)
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},
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{
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'name': 'Logged in example',
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'url': reverse('loggedin-resource')
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'url': reverse('loggedin-resource', request)
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},
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]
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from __future__ import with_statement # for python 2.5
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from django.conf import settings
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from django.core.urlresolvers import reverse
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from djangorestframework.resources import FormResource
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from djangorestframework.response import Response
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from djangorestframework.renderers import BaseRenderer
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from djangorestframework.utils import reverse
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from djangorestframework.views import View
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from djangorestframework import status
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Return a list of all currently existing snippets.
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"""
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unique_ids = [os.path.split(f)[1] for f in list_dir_sorted_by_ctime(HIGHLIGHTED_CODE_DIR)]
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return [reverse('pygments-instance', args=[unique_id]) for unique_id in unique_ids]
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return [reverse('pygments-instance', request, args=[unique_id]) for unique_id in unique_ids]
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def post(self, request):
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"""
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remove_oldest_files(HIGHLIGHTED_CODE_DIR, MAX_FILES)
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return Response(status.HTTP_201_CREATED, headers={'Location': reverse('pygments-instance', args=[unique_id])})
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return Response(status.HTTP_201_CREATED, headers={'Location': reverse('pygments-instance', request, args=[unique_id])})
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class PygmentsInstance(View):
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from django.core.urlresolvers import reverse
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from djangorestframework.utils import reverse
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from djangorestframework.views import View
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from djangorestframework.response import Response
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from djangorestframework import status
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"""
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Handle GET requests, returning a list of URLs pointing to 3 other views.
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"""
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return {"Some other resources": [reverse('another-example', kwargs={'num':num}) for num in range(3)]}
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return {"Some other resources": [reverse('another-example', request, kwargs={'num':num}) for num in range(3)]}
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class AnotherExampleView(View):
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"""The root view for the examples provided with Django REST framework"""
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from django.core.urlresolvers import reverse
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from djangorestframework.utils import reverse
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from djangorestframework.views import View
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Please feel free to browse, create, edit and delete the resources in these examples."""
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def get(self, request):
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return [{'name': 'Simple Resource example', 'url': reverse('example-resource')},
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{'name': 'Simple ModelResource example', 'url': reverse('model-resource-root')},
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{'name': 'Simple Mixin-only example', 'url': reverse('mixin-view')},
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{'name': 'Object store API', 'url': reverse('object-store-root')},
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{'name': 'Code highlighting API', 'url': reverse('pygments-root')},
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{'name': 'Blog posts API', 'url': reverse('blog-posts-root')},
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{'name': 'Permissions example', 'url': reverse('permissions-example')}
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return [{'name': 'Simple Resource example', 'url': reverse('example-resource', request)},
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{'name': 'Simple ModelResource example', 'url': reverse('model-resource-root', request)},
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{'name': 'Simple Mixin-only example', 'url': reverse('mixin-view', request)},
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{'name': 'Object store API', 'url': reverse('object-store-root', request)},
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{'name': 'Code highlighting API', 'url': reverse('pygments-root', request)},
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{'name': 'Blog posts API', 'url': reverse('blog-posts-root', request)},
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{'name': 'Permissions example', 'url': reverse('permissions-example', request)}
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]
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