From 47cbd5c2d2bae8fa94de15c1065edbd82eb96baa Mon Sep 17 00:00:00 2001
From: "Dustin C. Hatch" <admiralnemo@gmail.com>
Date: Thu, 26 May 2011 02:00:13 +0000
Subject: [PATCH] Patch requests that try to use POST "emulate" some other verb
 like PUT

---
 src/milla/app.py | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/milla/app.py b/src/milla/app.py
index 40ec801..e57eed6 100644
--- a/src/milla/app.py
+++ b/src/milla/app.py
@@ -65,11 +65,20 @@ class Application(object):
             else:
                 return HTTPNotFound()(environ, start_response)
 
+        request = webob.Request(environ)
+        request.config = self.config.copy()
+
+        # Sometimes, hacky applications will try to "emulate" some HTTP
+        # method like POST or DELETE by specifying an _method parameter
+        # in a POST request.
+        if request.method == 'POST' and '_method' in request.POST:
+            request.method = request.POST.pop('_method')
+
         allowed_methods = getattr(func, 'allowed_methods',
                                   self.DEFAULT_ALLOWED_METHODS)
-        if environ['REQUEST_METHOD'] not in allowed_methods:
+        if request.method not in allowed_methods:
             allow_header = {'Allow': ', '.join(allowed_methods)}
-            if environ['REQUEST_METHOD'] == 'OPTIONS':
+            if request.method == 'OPTIONS':
                 def options_response(request, *args, **kwargs):
                     response = request.ResponseClass()
                     response.headers = allow_header
@@ -78,9 +87,6 @@ class Application(object):
             return HTTPMethodNotAllowed(headers=allow_header)(environ,
                                                               start_response)
 
-        request = webob.Request(environ)
-        request.config = self.config.copy()
-
         start_response_wrapper = StartResponseWrapper(start_response)
         request.start_response = start_response_wrapper        
         try: