Support HTTP PATCH method

tests/test_request.py

@@ -618,6 +618,10 @@ def test_is_body_readable_POST(self):
         req = self._blankOne('/', environ={'REQUEST_METHOD':'POST'})
         self.assertTrue(req.is_body_readable)
 
+    def test_is_body_readable_PATCH(self):
+        req = self._blankOne('/', environ={'REQUEST_METHOD':'PATCH'})
+        self.assertTrue(req.is_body_readable)
+
     def test_is_body_readable_GET(self):
         req = self._blankOne('/', environ={'REQUEST_METHOD':'GET'})
         self.assertFalse(req.is_body_readable)
@@ -3193,6 +3197,24 @@ def test_request_put(self):
         # Not OK, should return 412 Precondition Failed:
         self.assertTrue(not server_token in req.if_match)
 
+    def test_request_patch(self):
+        from webob.multidict import MultiDict
+        from webob.multidict import GetDict
+        req = self._blankOne('/test?check=a&check=b&name=Bob')
+        req.method = 'PATCH'
+        req.body = b'var1=value1&var2=value2&rep=1&rep=2'
+        req.environ['CONTENT_LENGTH'] = str(len(req.body))
+        req.environ['CONTENT_TYPE'] = 'application/x-www-form-urlencoded'
+        GET = GetDict([('check', 'a'),
+                      ('check', 'b'),
+                      ('name', 'Bob')], {})
+        self.assertEqual(req.GET, GET)
+        self.assertEqual(req.POST, MultiDict(
+                                [('var1', 'value1'),
+                                 ('var2', 'value2'),
+                                 ('rep', '1'),
+                                 ('rep', '2')]))
+
     def test_call_WSGI_app(self):
         req = self._blankOne('/')
         def wsgi_app(environ, start_response):

webob/request.py

@@ -92,7 +92,7 @@ def __repr__(self):
 http_method_probably_has_body = dict.fromkeys(
     ('GET', 'HEAD', 'DELETE', 'TRACE'), False)
 http_method_probably_has_body.update(
-    dict.fromkeys(('POST', 'PUT'), True))
+    dict.fromkeys(('POST', 'PUT', 'PATCH'), True))
 
 _LATIN_ENCODINGS = (
     'ascii', 'latin-1', 'latin', 'latin_1', 'l1', 'latin1',
@@ -740,11 +740,11 @@ def POST(self):
         Return a MultiDict containing all the variables from a form
         request. Returns an empty dict-like object for non-form requests.
 
-        Form requests are typically POST requests, however PUT requests with
-        an appropriate Content-Type are also supported.
+        Form requests are typically POST requests, however PUT & PATCH requests
+        with an appropriate Content-Type are also supported.
         """
         env = self.environ
-        if self.method not in ('POST', 'PUT'):
+        if self.method not in ('POST', 'PUT', 'PATCH'):
             return NoVars('Not a form request')
         if 'webob._parsed_post_vars' in env:
             vars, body_file = env['webob._parsed_post_vars']