              content_type = None
              if self.FORM_PARAM_CONTENTTYPE and request.POST.get(self.FORM_PARAM_CONTENTTYPE, None):
                  content_type = request.POST.get(self.FORM_PARAM_CONTENTTYPE, None)
  
              return (content_type, request.POST[self.FORM_PARAM_CONTENT])
  
          return (content_type, request.raw_post_data) 
</s> remove             if self.FORM_PARAM_CONTENTTYPE and request.POST.get(self.FORM_PARAM_CONTENTTYPE, None):
                content_type = request.POST.get(self.FORM_PARAM_CONTENTTYPE, None)
 </s> add             if self.CONTENTTYPE_PARAM and request.POST.get(self.CONTENTTYPE_PARAM, None):
                content_type = request.POST.get(self.CONTENTTYPE_PARAM, None) </s> remove         if (request.method == 'POST' and self.FORM_PARAM_CONTENT and
            request.POST.get(self.FORM_PARAM_CONTENT, None) is not None):
 </s> add         if (request.method == 'POST' and self.CONTENT_PARAM and
            request.POST.get(self.CONTENT_PARAM, None) is not None): </s> remove     FORM_PARAM_CONTENTTYPE = '_contenttype'
 </s> add     CONTENTTYPE_PARAM = '_contenttype' </s> remove     def determine_parser(self, request):
        """Return the appropriate parser for the input, given the client's 'Content-Type' header,
        and the content types that this Resource knows how to parse."""
        content_type = request.META.get('CONTENT_TYPE', 'application/x-www-form-urlencoded')
        raw_content = request.raw_post_data
    
        split = content_type.split(';', 1)
        if len(split) > 1:
            content_type = split[0]
        content_type = content_type.strip()
        
        # If CONTENTTYPE_PARAM is turned on, and this is a standard POST form then allow the content type to be overridden
        if (content_type == 'application/x-www-form-urlencoded' and
            request.method == 'POST' and
            self.CONTENTTYPE_PARAM and
            self.CONTENT_PARAM and
            request.POST.get(self.CONTENTTYPE_PARAM, None) and
            request.POST.get(self.CONTENT_PARAM, None)):
            raw_content = request.POST[self.CONTENT_PARAM]
            content_type = request.POST[self.CONTENTTYPE_PARAM]

        # Create a list of list of (media_type, Parser) tuples
        media_type_to_parser = dict([(parser.media_type, parser) for parser in self.parsers])

        try:
            return (media_type_to_parser[content_type], raw_content)
        except KeyError:
            raise ResponseException(status.HTTP_415_UNSUPPORTED_MEDIA_TYPE,
                                    {'detail': 'Unsupported media type \'%s\'' % content_type})


 </s> add  </s> remove # TODO: Make all parsers only list a single media_type, rather than a list
 </s> add class ParserMixin(object):
    parsers = ()

    def parse(self, content_type, content):
        # See RFC 2616 sec 3 - http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.7
        split = content_type.split(';', 1)
        if len(split) > 1:
            content_type = split[0]
        content_type = content_type.strip()

        media_type_to_parser = dict([(parser.media_type, parser) for parser in self.parsers])

        try:
            parser = media_type_to_parser[content_type]
        except KeyError:
            raise ResponseException(status.HTTP_415_UNSUPPORTED_MEDIA_TYPE,
                                    {'error': 'Unsupported media type in request \'%s\'.' % content_type})
        
        return parser(self).parse(content)

    @property
    def parsed_media_types(self):
        """Return an list of all the media types that this ParserMixin can parse."""
        return [parser.media_type for parser in self.parsers]
    
    @property
    def default_parser(self):
        """Return the ParerMixin's most prefered emitter.
        (This has no behavioural effect, but is may be used by documenting emitters)"""        
        return self.parsers[0]

            return (content_type, request.POST[self.CONTENT_PARAM])
              content_type = None
              if self.FORM_PARAM_CONTENTTYPE and request.POST.get(self.FORM_PARAM_CONTENTTYPE, None):
                  content_type = request.POST.get(self.FORM_PARAM_CONTENTTYPE, None)
  
            return (content_type, request.POST[self.CONTENT_PARAM])
  
          return (content_type, request.raw_post_data) 
keep keep keep keep replace keep keep
 Refactor a bunch of stuff into mixins, more tests 
djangorestframework/content.py