Logging: improved error reporting for BaseConfigurator.resolve().
diff --git a/Lib/logging/config.py b/Lib/logging/config.py
index 07b9d1a..356183f 100644
--- a/Lib/logging/config.py
+++ b/Lib/logging/config.py
@@ -387,15 +387,21 @@
"""
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."""