我用Django教程Rest框架(http://www.django-rest-framework.org/tutorial/1-serialization)做这个练习
我正处于创建url的阶段,在访问视图时遇到了一个问题。在
我执行代码:
import snippets from views
我无法导入视图,将收到:
^{pr2}$我的代码视图:
from .models import Snippet
from serializers import SnippetSerializer
from rest_framework.renderers import JSONPRenderer
from rest_framework.parsers import JSONParser
from django.http import HttpResponse
from django.views.decorators.csrf import csrf_exempt
class JSONResponse(HttpResponse):
def __init__(self, data, **kwargs):
content = JSONPRenderer().render(data)
kwargs['content_type'] = 'aplication/json'
super(JSONPRenderer, self).__init__(content, **kwargs)
@csrf_exempt
def snippet_list(request):
"""
List all code snippets or create new code snippet
"""
if request.method == "GET":
snippet = Snippet.objects.all()
serializer = SnippetSerializer(snippet, many=True)
return JSONResponse(serializer.data)
elif request.method == "POST":
data = JSONParser().parse(request)
serializer = SnippetSerializer(data=data)
if serializer.is_valid():
serializer.save()
return JSONResponse(serializer.data, status=201)
return JSONResponse(serializer.data, status=400)
@csrf_exempt
def snippet_detail(request, pk):
"""
Retrive, delete or update code snippet
"""
try:
snippet = Snippet.objects.get(pk=pk)
except Snippet.DoesNotExist:
return HttpResponse(status=404)
if request.response == "GET":
serializer = SnippetSerializer(snippet)
return JSONResponse(serializer.data)
elif request.method == "PUT":
data = JSONParser().parse(request)
serializer = SnippetSerializer(snippet, data=data)
if serializer.is_valid():
serializer.save()
return HttpResponse(serializer.data)
return HttpResponse(serializer.errors, status=400)
elif request.method == "DELETE":
snippet.delete()
return HttpResponse(status=204)
我的代码URL:
from django.conf.urls import url
from snippets import views
urlpatterns = [
url(r'snippets/$', views.snippet_list),
url(r'snippets/(?P<pk>[0-9]+)/$', views.snippet_detail),
]
这只是一个缩进问题,你应该改变你的代码片段/视图.py收件人:
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