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我正在學習Django REST框架並在此示例上工作;'BlogPostResource'對象沒有任何屬性'請求'
http://django-rest-framework.org/examples/blogpost.html
但是當我嘗試打開http://localhost:8000/blog-post/
AttributeError at /blog-post/
'BlogPostResource' object has no attribute 'request'
Request Method: POST
Request URL: http://localhost:8000/blog-post/
Django Version: 1.4.1
Exception Type: AttributeError
Exception Value:
'BlogPostResource' object has no attribute 'request'
Exception Location: /Users/wolfiem/PycharmProjects/TestRestApi/TestApp/resources.py in url, line 16
Python Executable: /System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Python Version: 2.7.2
Python Path:
['/Users/wolfiem/PycharmProjects/TestRestApi',
'/Library/Python/2.7/site-packages/pexpect-2.4-py2.7.egg',
'/Library/Python/2.7/site-packages/pythondialog-2.7-py2.7.egg',
'/Library/Python/2.7/site-packages/pymongo-2.2.1-py2.7-macosx-10.7-intel.egg',
'/Library/Python/2.7/site-packages/riak-1.4.1-py2.7.egg',
'/Library/Python/2.7/site-packages/pip-1.1-py2.7.egg',
'/Library/Python/2.7/site-packages/MySQL_python-1.2.3-py2.7-macosx-10.8-intel.egg',
'/usr/local/lib/python2.7/site-packages',
'/opt/local/bin',
'/Library/Python/2.7/site-packages',
'/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python27.zip',
'/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7',
'/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin',
'/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac',
'/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages',
'/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python',
'/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk',
'/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-old',
'/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload',
'/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC']
這些都是從我的例子文件，我得到這個錯誤：
resources.py
from djangorestframework.resources import ModelResource
from djangorestframework.resources import reverse
from TestApp.models import BlogPost,Comment
class BlogPostResource(ModelResource):
"""
A Blog Post has a *title* and *content*, and can be associated with zero or more comments.
"""
model = BlogPost
fields = ('created','title','slug','content','url','comments')
ordering = ('-created',)
def url(self, instance):
return reverse('blog-post',
kwargs = {'key':instance.key},
request=self.request)
def comments(self, instance):
return reverse('comments',
kwargs = {'blogpost':instance.key},
request=self.request)
class CommentResource(ModelResource):
"""
A Comment is associated with a given Blog Post and has a *username* and *comment*, and optionally a *rating*.
"""
model = Comment
fields = ('username','comment','created','rating','url','blogpost')
ordering = ('-created',)
def blogpost(self, instance):
return reverse('blog-post',
kwargs={'key':instance.blogpost.key},
request=self.request)
models.py
from django.db import models
from django.template.defaultfilters import slugify
import uuid
def uuid_str():
return str(uuid.uuid1())
# Create your models here.
RATING_CHOICES = ((0, 'Awful'),
(1, 'Poor'),
(2, 'OK'),
(3, 'Good'),
(4, 'Excellent'))
MAX_POSTS = 10
class BlogPost(models.Model):
key = models.CharField(primary_key=True, max_length=64, default=uuid_str(), editable=False)
title = models.CharField(max_length=128)
content = models.TextField()
created = models.DateTimeField(auto_now_add=True)
slug = models.SlugField(editable=False,default='')
def encode(self):
return self.encode('utf8')
def save(self, force_insert=False, force_update=False, using=None):
"""
Save
"""
self.slug = slugify(self.title)
super(self.__class__,self).save()
for obj in self.__class__.objects.order_by('-created')[MAX_POSTS:]:
obj.delete()
class Comment(models.Model):
blogpost = models.ForeignKey(BlogPost,editable=False,related_name='comments')
username = models.CharField(max_length=128)
comment = models.TextField()
rating = models.IntegerField(blank=True,null=True,choices=RATING_CHOICES,help_text='How did you rate this post?')
created = models.DateTimeField(auto_now_add=True)
urls.py
from django.conf.urls import patterns, url
from djangorestframework.views import ListOrCreateModelView,InstanceModelView
from TestApp.resources import BlogPostResource,CommentResource
# Uncomment the next two lines to enable the admin:
# from django.contrib import admin
# admin.autodiscover()
urlpatterns = patterns('',
# Examples:
# url(r'^$', 'TestRestApi.views.home', name='home'),
# url(r'^TestRestApi/', include('TestRestApi.foo.urls')),
# Uncomment the admin/doc line below to enable admin documentation:
# url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
# Uncomment the next line to enable the admin:
# url(r'^admin/', include(admin.site.urls)),
# url(r'^restframework', include('djangorestframework.urls', namespace='djangorestframework')),
url(r'^$', ListOrCreateModelView.as_view(resource=BlogPostResource), name='blog-post-root'),
url(r'^(?P<key>[^/]+)/$', InstanceModelView.as_view(resource=BlogPostResource), name='blog-post'),
url(r'^(?P<blogpost>[^/]+)/comments/$',ListOrCreateModelView.as_view(resource=CommentResource), name='comments'),
url(r'^(?P<blogpost>[^/]+)/comments/(?P<id>[^/]+)/$', InstanceModelView.as_view(resource=CommentResource)),
)