Moved default admin from media to django/conf/admin_media, so Django is able to…

Moved default admin from media to django/conf/admin_media, so Django is able to introspect their location, in preparation for #76

git-svn-id: http://code.djangoproject.com/svn/django/trunk@185 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/bin/django-admin.py

@@ -365,13 +365,13 @@ startapp.args = "[appname]"
 def runserver(port):
     "Starts a lightweight Web server for development."
     from django.core.servers.basehttp import run, WSGIServerException
-    from django.core.handlers.wsgi import WSGIHandler
+    from django.core.handlers.wsgi import AdminMediaHandler, WSGIHandler
     if not port.isdigit():
         sys.stderr.write("Error: %r is not a valid port number.\n" % port)
         sys.exit(1)
     print "Starting server on port %s. Go to http://127.0.0.1:%s/ for Django." % (port, port)
     try:
-        run(int(port), WSGIHandler())
+        run(int(port), AdminMediaHandler(WSGIHandler()))
     except WSGIServerException, e:
         # Use helpful error messages instead of ugly tracebacks.
         ERRORS = {

django/core/handlers/wsgi.py

@@ -240,3 +240,45 @@ class WSGIHandler:
         "Helper function to return the traceback as a string"
         import sys, traceback
         return '\n'.join(traceback.format_exception(*sys.exc_info()))
+
+class AdminMediaHandler:
+    """
+    WSGI middleware that intercepts calls to the admin media directory, as
+    defined by the ADMIN_MEDIA_PREFIX setting, and serves those images.
+    Use this ONLY LOCALLY, for development! This hasn't been tested for
+    security and is not super efficient.
+    """
+    def __init__(self, application):
+        from django.conf import settings
+        import django
+        self.application = application
+        self.media_dir = django.__path__[0] + '/conf/admin_templates'
+        self.media_url = settings.ADMIN_MEDIA_PREFIX
+
+    def __call__(self, environ, start_response):
+        import os.path
+
+        # Ignore requests that aren't under ADMIN_MEDIA_PREFIX.
+        if not environ['PATH_INFO'].startswith(self.media_url):
+            return self.application(environ, start_response)
+
+        # Find the admin file and serve it up, if it exists and is readable.
+        file_path = os.path.join(self.media_dir, environ['PATH_INFO'][1:])
+        if not os.path.exists(file_path):
+            status = '404 NOT FOUND'
+            headers = {'Content-type': 'text/plain'}
+            output = ['Page not found: %s' % file_path]
+        else:
+            try:
+                fp = open(file_path, 'r')
+            except IOError:
+                status = '401 UNAUTHORIZED'
+                headers = {'Content-type': 'text/plain'}
+                output = ['Permission denied: %s' % file_path]
+            else:
+                status = '200 OK'
+                headers = {}
+                output = [fp.read()]
+                fp.close()
+        start_response(status, headers.items())
+        return output

setup.py

@@ -13,7 +13,10 @@ setup(
     license = 'BSD',
     packages = find_packages(),
     package_data = {
-        'django.conf': ['admin_templates/*.html', 'admin_templates/doc/*.html'],
+        'django.conf': ['admin_templates/*.html', 'admin_templates/doc/*.html',
+                        'admin_media/css/*.css', 'admin_media/img/admin/*.gif',
+                        'admin_media/img/admin/*.png', 'admin_media/js/*.js',
+                        'admin_media/js/admin/*js'],
     },
     scripts = ['django/bin/django-admin.py'],
 )