Make HTTPHeaders.__contains__() case-insensitive, like the rest of the object.

daharon · daharon · commit f6b2dbea2664 · 2011-09-19T09:32:27.000-07:00
diff --git a/tornado/httputil.py b/tornado/httputil.py
@@ -132,6 +132,10 @@ def __delitem__(self, name):
         dict.__delitem__(self, norm_name)
         del self._as_list[norm_name]
 
+    def __contains__(self, name):
+        norm_name = HTTPHeaders._normalize_name(name)
+        return dict.__contains__(self, norm_name)
+
     def get(self, name, default=None):
         return dict.get(self, HTTPHeaders._normalize_name(name), default)
 
