fix for PUT files

djangorestframework/content.py

@@ -24,6 +24,27 @@ class StandardContentMixin(ContentMixin):
             return None
         return (request.META.get('CONTENT_TYPE', None), request.raw_post_data)
 
+from django.core.files.base import File
+class SocketFile(File):
+    # Only forward access is allowed
+    def __init__(self, socket, size):
+        super(SocketFile, self).__init__(socket)
+        self._size = int(size)
+        self._pos = 0
+
+    def read(self, num_bytes=None):
+        if num_bytes is None:
+            num_bytes = self._size - self._pos
+        else:
+            num_bytes = min(num_bytes, self._size - self._pos)
+        self._pos += num_bytes
+        return self.file.read(num_bytes)
+
+    def tell(self):
+        return self._pos
+
+    def seek(self, position):
+        pass
 
 class OverloadedContentMixin(ContentMixin):
     """HTTP request content behaviour that also allows arbitrary content to be tunneled in form data."""
@@ -39,7 +60,7 @@ class OverloadedContentMixin(ContentMixin):
         Note that content_type may be None if it is unset."""
         if not request.META.get('CONTENT_LENGTH', None) and not request.META.get('TRANSFER_ENCODING', None):
             return None
-        
+            
         content_type = request.META.get('CONTENT_TYPE', None)
 
         if (request.method == 'POST' and self.CONTENT_PARAM and
@@ -51,5 +72,13 @@ class OverloadedContentMixin(ContentMixin):
                 content_type = request.POST.get(self.CONTENTTYPE_PARAM, None)
 
             return (content_type, request.POST[self.CONTENT_PARAM])
-
-        return (content_type, request.raw_post_data)
+        elif request.method == 'PUT':
+            f = SocketFile(request.environ['wsgi.input'], request.META['CONTENT_LENGTH'])
+            returned = (content_type, f.read())
+            return returned
+            #try:
+            #    f.close()
+            #except Exception as e:
+            #    print 'exception', e
+        else:
+            return (content_type, request.raw_post_data)

djangorestframework/parsers.py

@@ -1,3 +1,7 @@
+from StringIO import StringIO
+
+from django.http.multipartparser import MultiPartParser as DjangoMPParser
+
 from djangorestframework.response import ResponseException
 from djangorestframework import status
 
@@ -6,6 +10,10 @@ try:
 except ImportError:
     import simplejson as json
 
+try:
+    from urlparse import parse_qs
+except ImportError:
+    from cgi import parse_qs
 
 class ParserMixin(object):
     parsers = ()
@@ -75,50 +83,57 @@ class FormParser(BaseParser):
     """The default parser for form data.
     Return a dict containing a single value for each non-reserved parameter.
     """
-    
+    # TODO: not good, because posted/put lists are flattened !!!
     media_type = 'application/x-www-form-urlencoded'
 
     def parse(self, input):
-        # The FormParser doesn't parse the input as other parsers would, since Django's already done the
-        # form parsing for us.  We build the content object from the request directly.
         request = self.resource.request
 
         if request.method == 'PUT':
-            # Fix from piston to force Django to give PUT requests the same
-            # form processing that POST requests get...
-            #
-            # Bug fix: if _load_post_and_files has already been called, for
-            # example by middleware accessing request.POST, the below code to
-            # pretend the request is a POST instead of a PUT will be too late
-            # to make a difference. Also calling _load_post_and_files will result 
-            # in the following exception:
-            #   AttributeError: You cannot set the upload handlers after the upload has been processed.
-            # The fix is to check for the presence of the _post field which is set 
-            # the first time _load_post_and_files is called (both by wsgi.py and 
-            # modpython.py). If it's set, the request has to be 'reset' to redo
-            # the query value parsing in POST mode.
-            if hasattr(request, '_post'):
-                del request._post
-                del request._files
-            
-            try:
-                request.method = "POST"
-                request._load_post_and_files()
-                request.method = "PUT"
-            except AttributeError:
-                request.META['REQUEST_METHOD'] = 'POST'
-                request._load_post_and_files()
-                request.META['REQUEST_METHOD'] = 'PUT'
+            data = parse_qs(input)
+            # Flattening the parsed query data
+            for key, val in data.items():
+                data[key] = val[0]
+
+        if request.method == 'POST':
+            # Django has already done the form parsing for us.
+            data = dict(request.POST.items())
 
         # Strip any parameters that we are treating as reserved
-        data = {}
-        for (key, val) in request.POST.items():
-            if key not in self.resource.RESERVED_FORM_PARAMS:
-                data[key] = val
-        
+        for key in data:
+            if key in self.resource.RESERVED_FORM_PARAMS:
+                data.pop(key)
         return data
 
 # TODO: Allow parsers to specify multiple media_types
 class MultipartParser(FormParser):
     media_type = 'multipart/form-data'
 
+    def parse(self, input):
+        request = self.resource.request
+
+        if request.method == 'PUT':
+            upload_handlers = request._get_upload_handlers()
+            django_mpp = DjangoMPParser(request.META, StringIO(input), upload_handlers)
+            data, files = django_mpp.parse()
+            data = dict(data)
+            files = dict(files)
+
+        if request.method == 'POST':
+            # Django has already done the form parsing for us.
+            data = dict(request.POST)
+            files = dict(request.FILES)
+
+        # Flattening, then merging the POSTED/PUT data/files
+        for key, val in dict(data).items():
+            data[key] = val[0]
+        for key, val in dict(files).items():
+            files[key] = val[0].read()
+        data.update(files)
+        
+        # Strip any parameters that we are treating as reserved
+        for key in data:
+            if key in self.resource.RESERVED_FORM_PARAMS:
+                data.pop(key)
+        return data
+