REST : rest_framework.decorators.api_view 实现PATCH

对 http://www.django-rest-framework.org/tutorial/2-requests-and-responses/ 做补充

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 @api_view(['GET', 'PATCH', 'DELETE'])
 def snippet_detail(request, pk):
     """
     Retrieve, update or delete a snippet instance.
     """
     try:
         snippet = Snippet.objects.get(pk=pk)
     except Snippet.DoesNotExist:
         return Response(status=status.HTTP_404_NOT_FOUND)

     elif request.method == 'PATCH':
         newData = transferPatchData(snippet, request.data)
         serializer = SnippetSerializer(snippet, data=newData)
         if serializer.is_valid():
             serializer.save()
             return Response(serializer.data)
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

 def transferPatchData(obj, reqtData):
     newData = {}
     for attrName in obj.__dict__.keys():
         if re.search(r"^_", attrName):
             continue
         if reqtData.has_key(attrName):
             newData[attrName] = reqtData.get(attrName)
         else:
             newData[attrName] = getattr(obj, attrName)
     return newData

来自 “ ITPUB博客 ” ，链接：http://blog.itpub.net/26250550/viewspace-2120779/，如需转载，请注明出处，否则将追究法律责任。

转载于:http://blog.itpub.net/26250550/viewspace-2120779/