docs: update http method override middleware example (encode#6776)

etene · tomchristie · commit f5470ab9e292 · 2019-07-03T10:23:35.000+01:00
diff --git a/docs/topics/browser-enhancements.md b/docs/topics/browser-enhancements.md
@@ -51,13 +51,15 @@ For example:
 
     METHOD_OVERRIDE_HEADER = 'HTTP_X_HTTP_METHOD_OVERRIDE'
 
-    class MethodOverrideMiddleware(object):
-        def process_view(self, request, callback, callback_args, callback_kwargs):
-            if request.method != 'POST':
-                return
-            if METHOD_OVERRIDE_HEADER not in request.META:
-                return
-            request.method = request.META[METHOD_OVERRIDE_HEADER]
+    class MethodOverrideMiddleware:
+
+        def __init__(self, get_response):
+            self.get_response = get_response
+
+        def __call__(self, request):
+            if request.method == 'POST' and METHOD_OVERRIDE_HEADER in request.META:
+                request.method = request.META[METHOD_OVERRIDE_HEADER]
+            return self.get_response(request)
 
 ## URL based accept headers
 
