From: Ben Darnell <ben@bendarnell.com>
Date: Tue, 12 Jul 2011 16:14:16 +0000 (-0700)
Subject: Better error message
X-Git-Tag: v2.1.0~92
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=631d2f42195d34ea520795c5ecca1b41a2b93c35;p=thirdparty%2Ftornado.git

Better error message
---

diff --git a/tornado/web.py b/tornado/web.py
index 6e8d14854..56bc34678 100644
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -1778,7 +1778,8 @@ class URLSpec(object):
             pattern += '$'
         self.regex = re.compile(pattern)
         assert len(self.regex.groupindex) in (0, self.regex.groups), \
-            "groups in url regexes must either be all named or all positional"
+            ("groups in url regexes must either be all named or all "
+             "positional: %r" % self.regex.pattern)
         self.handler_class = handler_class
         self.kwargs = kwargs
         self.name = name