From: Owen Nelson <onelson@gmail.com>
Date: Sat, 29 Dec 2012 01:20:23 +0000 (-0500)
Subject: Fixes issue where GAE error handling can cause AttributeError: 'NoneType' object... 
X-Git-Tag: rel_0_8_0~37^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16ab0d61ef7e3e324bec71a672983384eba48389;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

Fixes issue where GAE error handling can cause AttributeError: 'NoneType' object has no attribute 'group'
---

diff --git a/lib/sqlalchemy/dialects/mysql/gaerdbms.py b/lib/sqlalchemy/dialects/mysql/gaerdbms.py
index 54444204eb..5972b2177f 100644
--- a/lib/sqlalchemy/dialects/mysql/gaerdbms.py
+++ b/lib/sqlalchemy/dialects/mysql/gaerdbms.py
@@ -50,7 +50,9 @@ class MySQLDialect_gaerdbms(MySQLDialect_mysqldb):
 
     def _extract_error_code(self, exception):
         match = re.compile(r"^(\d+):").match(str(exception))
-        code = match.group(1)
+        # The rdbms api will wrap then re-raise some types of errors
+        # making this regex return no matches.
+        code = match.group(1) if match else None
         if code:
             return int(code)