Fixed #5318 -- Added __contains__ method to HttpRequest, mirroring existing has_key method. Thanks for the patch, robbie@prelab.net.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6097 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/http/__init__.py

@@ -38,9 +38,12 @@ class HttpRequest(object):
                 return d[key]
         raise KeyError, "%s not found in either POST or GET" % key
 
-    def has_key(self, key):
+    def __contains__(self, key):
         return key in self.GET or key in self.POST
 
+    def has_key(self, key):
+        return key in self
+        
     def get_full_path(self):
         return ''