--- a/pyramid_cubicweb/core.py	Thu Sep 18 11:43:45 2014 +0200
+++ b/pyramid_cubicweb/core.py	Thu Sep 18 15:07:02 2014 +0200
@@ -1,5 +1,6 @@
 from contextlib import contextmanager
 from warnings import warn
+from cgi import FieldStorage
 
 import rql
 
@@ -65,6 +66,29 @@
         super(CubicWebPyramidRequest, self).__init__(vreg, https, post,
                                                      headers=headers_in)
 
+        self.content = request.body_file_seekable
+
+    def setup_params(self, params):
+        self.form = {}
+        for param, val in params.iteritems():
+            if param in self.no_script_form_params and val:
+                val = self.no_script_form_param(param, val)
+            if isinstance(val, FieldStorage) and val.file:
+                val = (val.filename, val.file)
+            if param == '_cwmsgid':
+                self.set_message_id(val)
+            elif param == '__message':
+                warn('[3.13] __message in request parameter is deprecated '
+                     '(may only be given to .build_url). Seeing this message '
+                     'usualy means your application hold some <form> where '
+                     'you should replace use of __message hidden input by '
+                     'form.set_message, so new _cwmsgid mechanism is properly '
+                     'used',
+                     DeprecationWarning)
+                self.set_message(val)
+            else:
+                self.form[param] = val
+
     def is_secure(self):
         return self._request.scheme == 'https'