From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Tue, 10 Jul 2007 18:07:15 +0000 (+0200)
Subject: [svn] updated groupby filter for better sorting
X-Git-Tag: 2.0rc1~283
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=fecf882baeb9fa2adb2d8e4fe44ea3b7ffd0ffdb;p=jinja2.git

[svn] updated groupby filter for better sorting

--HG--
branch : trunk
---

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