From fecf882baeb9fa2adb2d8e4fe44ea3b7ffd0ffdb Mon Sep 17 00:00:00 2001
From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Tue, 10 Jul 2007 20:07:15 +0200
Subject: [PATCH] [svn] updated groupby filter for better sorting

--HG--
branch : trunk
---
 jinja/filters.py | 6 ++----
 jinja/utils.py   | 7 +++++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/jinja/filters.py b/jinja/filters.py
index 6e74164..6407827 100644
--- a/jinja/filters.py
+++ b/jinja/filters.py
@@ -877,12 +877,10 @@ def do_groupby(attribute):
     """
     def wrapped(env, context, value):
         expr = lambda x: env.get_attribute(x, attribute)
-        rv = [{
+        return [{
             'grouper':  a,
             'list':     list(b)
-        } for a, b in groupby(sorted(value, key=expr), expr)]
-        rv.sort()
-        return rv
+        } for a, b in sorted(groupby(sorted(value, key=expr), expr))]
     return wrapped
 
 
diff --git a/jinja/utils.py b/jinja/utils.py
index c4a2bb2..a461bd7 100644
--- a/jinja/utils.py
+++ b/jinja/utils.py
@@ -61,9 +61,12 @@ except NameError:
 try:
     sorted = sorted
 except NameError:
-    def sorted(seq, reverse=False):
+    _cmp = cmp
+    def sorted(seq, cmp=None, key=None, reverse=False):
         rv = list(seq)
-        rv.sort()
+        if key is not None:
+            cmp = lambda a, b: _cmp(key(a), key(b))
+        rv.sort(cmp)
         if reverse:
             rv.reverse()
         return rv
-- 
2.26.2