From 06a8b1c02b2091b31ef4f39ddde3184f25f58260 Mon Sep 17 00:00:00 2001
From: Aaron Swartz <me@aaronsw.com>
Date: Fri, 6 Jan 2012 10:27:36 -0500
Subject: [PATCH] Add urlescape to default filters.

---
 jinja2/filters.py           | 10 +++++++++-
 jinja2/testsuite/filters.py |  6 +++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/jinja2/filters.py b/jinja2/filters.py
index 352b166..c170f51 100644
--- a/jinja2/filters.py
+++ b/jinja2/filters.py
@@ -10,6 +10,7 @@
 """
 import re
 import math
+import urllib
 from random import choice
 from operator import itemgetter
 from itertools import imap, groupby
@@ -69,6 +70,9 @@ def do_forceescape(value):
         value = value.__html__()
     return escape(unicode(value))
 
+def do_urlescape(value):
+    """Escape for use in URLs."""
+    return urllib.quote(value.encode('utf8'))
 
 @evalcontextfilter
 def do_replace(eval_ctx, s, old, new, count=None):
@@ -797,5 +801,9 @@ FILTERS = {
     'round':                do_round,
     'groupby':              do_groupby,
     'safe':                 do_mark_safe,
-    'xmlattr':              do_xmlattr
+    'xmlattr':              do_xmlattr,
+    'urlescape':            do_urlescape,
+    'urle':                 do_urlescape,
+    'urlencode':            do_urlescape,
+    'urlquote':             do_urlescape
 }
diff --git a/jinja2/testsuite/filters.py b/jinja2/testsuite/filters.py
index 770bdf2..a751299 100644
--- a/jinja2/testsuite/filters.py
+++ b/jinja2/testsuite/filters.py
@@ -366,7 +366,11 @@ class FilterTestCase(JinjaTestCase):
         assert tmpl.render() == '<div>foo</div>'
         tmpl = env.from_string('{{ "<div>foo</div>" }}')
         assert tmpl.render() == '&lt;div&gt;foo&lt;/div&gt;'
-
+    
+    def test_urlescape(self):
+        env = Environment(autoescape=True)
+        tmpl = env.from_string('{{ "Hello, world!"|urle }}')
+        assert tmpl.render() == 'Hello%2C%20world%21'
 
 def suite():
     suite = unittest.TestSuite()
-- 
2.26.2