From: Vinay Sajip <vinay_sajip@yahoo.co.uk>
Date: Wed, 2 Jun 2010 10:05:31 +0000 (+0000)
Subject: Logging: improved error reporting for BaseConfigurator.resolve().
X-Git-Tag: v2.7rc1~51
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3b4849a21d691bf95b9d4d4171b60c496e109ae6;p=python

Logging: improved error reporting for BaseConfigurator.resolve().
---

diff --git a/Lib/logging/config.py b/Lib/logging/config.py
index 07b9d1a834..356183f5ed 100644
--- a/Lib/logging/config.py
+++ b/Lib/logging/config.py
@@ -387,15 +387,21 @@ class BaseConfigurator(object):
         """
         name = s.split('.')
         used = name.pop(0)
-        found = self.importer(used)
-        for frag in name:
-            used += '.' + frag
-            try:
-                found = getattr(found, frag)
-            except AttributeError:
-                self.importer(used)
-                found = getattr(found, frag)
-        return found
+        try:
+            found = self.importer(used)
+            for frag in name:
+                used += '.' + frag
+                try:
+                    found = getattr(found, frag)
+                except AttributeError:
+                    self.importer(used)
+                    found = getattr(found, frag)
+            return found
+        except ImportError:
+            e, tb = sys.exc_info()[1:]
+            v = ValueError('Cannot resolve %r: %s' % (s, e))
+            v.__cause__, v.__traceback__ = e, tb
+            raise v
 
     def ext_convert(self, value):
         """Default converter for the ext:// protocol."""