Add parsers, form validation, etc...

src/rest/utils.py

+# From piston...
+
+def coerce_put_post(request):
+    """
+    Django doesn't particularly understand REST.
+    In case we send data over PUT, Django won't
+    actually look at the data and load it. We need
+    to twist its arm here.
+    
+    The try/except abominiation here is due to a bug
+    in mod_python. This should fix it.
+    """
+    if request.method != 'PUT':
+        return
+
+    # 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'
+        
+    request.PUT = request.POST

src/testapp/forms.py

+from django import forms
+
+class ExampleForm(forms.Form):
+    title = forms.CharField(max_length=100)
+    message = forms.CharField()
+    sender = forms.EmailField()
+    valid = forms.BooleanField(required=False)