Changes between Version 3 and Version 4 of MultiHostMiddleware

Timestamp:

Jan 10, 2012, 5:00:06 AM (12 years ago)

Author:

Cal Leeming

Comment:

--

MultiHostMiddleware

@@ +1 @@
+
+{{{
+#!python
+# File: README
+
+"""
+
+ A simple middleware component that lets you use a single Django
+ instance to server multiple distinct hosts.
+
+ IMPORTANT!! Make sure this is the FIRST entry in your MIDDLEWARE_CLASSES
+
+ Revision log:
+
+ v1.2 - 10th January 2012 (Cal Leeming - cal.leeming@simplicitymedialtd.co.uk)
+  * Added 'LoadingTime' response header (tells us how long the request took to process)
+  * Added 'MultiHost' response header (tells us if multihost was used or not)
+  * Added 'HOST_MIDDLEWARE_URLCONF_MAP' example
+  * Cleaned up code slightly
+
+"""
+
+}}}
+
+{{{
+#!python
+# File: settings.py
+
+HOST_MIDDLEWARE_URLCONF_MAP = {
+    # Control Panel
+    "www.example.com": "webapp.sites.example.urls",
+}
+
+}}}
 
 {{{
 #!python
 # File: multihost.py
-
-##
-# A simple middleware component that lets you use a single Django
-# instance to server multiple distinct hosts.
-# 6th July 2011: IMPORTANT!! Make sure this is the FIRST entry in your MIDDLEWARE_CLASSES
-# - Cal
-##
 
 from django.conf import settings
@@ -18 +45 @@
     def process_request(self, request):
         try:
+            request.META["LoadingStart"] = time.time()
             host = request.META["HTTP_HOST"]
             if host[-3:] == ":80":
                 host = host[:-3] # ignore default port number, if present
-            request.urlconf = settings.HOST_MIDDLEWARE_URLCONF_MAP[host]
+            if settings.HOST_MIDDLEWARE_URLCONF_MAP.has_key(host):
+                request.urlconf = settings.HOST_MIDDLEWARE_URLCONF_MAP[host]
+                request.META["MultiHost"] = str(request.urlconf)
+            else:
+                request.META["MultiHost"] = str(settings.ROOT_URLCONF)
+
         except KeyError:
             pass # use default urlconf (settings.ROOT_URLCONF)
 
     def process_response(self, request, response):
+        if request.META.has_key('MultiHost'):
+            response['MultiHost'] = request.META.get("MultiHost")
+
+        if request.META.has_key('LoadingStart'):
+            _loading_time = time.time() - int(request.META["LoadingStart"])
+            response['LoadingTime'] = "%.2fs" % ( _loading_time, )
+
         if getattr(request, "urlconf", None):
             patch_vary_headers(response, ('Host',))