From ab64b383177f8e554c876d7c8574df6169ecc515 Mon Sep 17 00:00:00 2001
From: Malcolm Tredinnick <malcolm.tredinnick@gmail.com>
Date: Fri, 9 Mar 2007 09:32:39 +0000
Subject: [PATCH] Fixed #2869 -- Do not append ADMIN_MEDIA_PREFIX to
 absolute-path URLs used for included javascript. Based on patches from
 SmileyChris and oyvind@saltvik.no.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4692 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/contrib/admin/templatetags/admin_modify.py | 10 ++++++----
 docs/model-api.txt                                |  3 +++
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/django/contrib/admin/templatetags/admin_modify.py b/django/contrib/admin/templatetags/admin_modify.py
index fcb5876b0c..e708b876bd 100644
--- a/django/contrib/admin/templatetags/admin_modify.py
+++ b/django/contrib/admin/templatetags/admin_modify.py
@@ -11,6 +11,7 @@ import re
 register = template.Library()
 
 word_re = re.compile('[A-Z][a-z]+')
+absolute_url_re = re.compile(r'^(?:http(?:s)?:/)?/', re.IGNORECASE)
 
 def class_name_to_underscored(name):
     return '_'.join([s.lower() for s in word_re.findall(name)[:-1]])
@@ -18,18 +19,19 @@ def class_name_to_underscored(name):
 def include_admin_script(script_path):
     """
     Returns an HTML script element for including a script from the admin
-    media url.
+    media url (or other location if an absolute url is given).
 
     Example usage::
 
-        {% include_admin_script js/calendar.js %}
+        {% include_admin_script "js/calendar.js" %}
 
     could return::
 
         <script type="text/javascript" src="/media/admin/js/calendar.js">
     """
-
-    return '<script type="text/javascript" src="%s%s"></script>' % (settings.ADMIN_MEDIA_PREFIX, script_path)
+    if not absolute_url_re.match(script_path):
+        script_path = '%s%s' % (settings.ADMIN_MEDIA_PREFIX, script_path)
+    return '<script type="text/javascript" src="%s"></script>' % script_path
 include_admin_script = register.simple_tag(include_admin_script)
 
 def submit_row(context):
diff --git a/docs/model-api.txt b/docs/model-api.txt
index 1e7f69903d..e66e96de68 100644
--- a/docs/model-api.txt
+++ b/docs/model-api.txt
@@ -1216,6 +1216,9 @@ screen via ``<script src="">`` tags. This can be used to tweak a given type of
 admin page in JavaScript or to provide "quick links" to fill in default values
 for certain fields.
 
+If relative URLs are used, Django admin will automatically prepend these links
+with ``settings.ADMIN_MEDIA_PREFIX``.
+
 ``list_display``
 ----------------