--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/contrib/admin/__init__.py	Wed Jan 20 00:34:04 2010 +0100
@@ -0,0 +1,58 @@
+from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
+from django.contrib.admin.options import ModelAdmin, HORIZONTAL, VERTICAL
+from django.contrib.admin.options import StackedInline, TabularInline
+from django.contrib.admin.sites import AdminSite, site
+from django.utils.importlib import import_module
+
+# A flag to tell us if autodiscover is running.  autodiscover will set this to
+# True while running, and False when it finishes.
+LOADING = False
+
+def autodiscover():
+    """
+    Auto-discover INSTALLED_APPS admin.py modules and fail silently when
+    not present. This forces an import on them to register any admin bits they
+    may want.
+    """
+    # Bail out if autodiscover didn't finish loading from a previous call so
+    # that we avoid running autodiscover again when the URLconf is loaded by
+    # the exception handler to resolve the handler500 view.  This prevents an
+    # admin.py module with errors from re-registering models and raising a
+    # spurious AlreadyRegistered exception (see #8245).
+    global LOADING
+    if LOADING:
+        return
+    LOADING = True
+
+    import imp
+    from django.conf import settings
+
+    for app in settings.INSTALLED_APPS:
+        # For each app, we need to look for an admin.py inside that app's
+        # package. We can't use os.path here -- recall that modules may be
+        # imported different ways (think zip files) -- so we need to get
+        # the app's __path__ and look for admin.py on that path.
+
+        # Step 1: find out the app's __path__ Import errors here will (and
+        # should) bubble up, but a missing __path__ (which is legal, but weird)
+        # fails silently -- apps that do weird things with __path__ might
+        # need to roll their own admin registration.
+        try:
+            app_path = import_module(app).__path__
+        except AttributeError:
+            continue
+
+        # Step 2: use imp.find_module to find the app's admin.py. For some
+        # reason imp.find_module raises ImportError if the app can't be found
+        # but doesn't actually try to import the module. So skip this app if
+        # its admin.py doesn't exist
+        try:
+            imp.find_module('admin', app_path)
+        except ImportError:
+            continue
+
+        # Step 3: import the app's admin file. If this has errors we want them
+        # to bubble up.
+        import_module("%s.admin" % app)
+    # autodiscover was successful, reset loading flag.
+    LOADING = False