[New-bugs-announce] [issue1436] logging.config.fileConfig, NameError: name 'RotatingFileHandler' is not defined

sebastian report at bugs.python.org
Tue Nov 13 13:41:46 CET 2007


New submission from sebastian:

fileConfig crashes with a NameError when trying to configure a
RotatingFileHandler (I assume the same holds for other handlers defined
in logging.handlers). Using StreamHandler (from the logging package)
works fine. Most likely, I am missing something here, but if not, this
is a really bad joke...

RotatingFileHandler is available on my system, a qualified name must be
used:

Python 2.5.1 (r251:54869, Apr 18 2007, 22:08:04) 
[GCC 4.0.1 (Apple Computer, Inc. build 5367)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import logging
>>> import logging.handlers
>>> RotatingFileHandler("test.log", "a", 5000, 5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'RotatingFileHandler' is not defined
>>> logging.handlers.RotatingFileHandler("test.log", "a", 5000, 5)
<logging.handlers.RotatingFileHandler instance at 0x7940d0>

fileConfig crashes, with or without qualified names:

>>> import logging.config
>>> logging.config.fileConfig("test.ini")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/logging/config.py",
line 84, in fileConfig
    handlers = _install_handlers(cp, formatters)
  File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/logging/config.py",
line 149, in _install_handlers
    klass = eval(klass, vars(logging))
  File "<string>", line 1, in <module>
NameError: name 'RotatingFileHandler' is not defined
>>> logging.config.fileConfig("test.qualified_name.ini")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/logging/config.py",
line 84, in fileConfig
    handlers = _install_handlers(cp, formatters)
  File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/logging/config.py",
line 149, in _install_handlers
    klass = eval(klass, vars(logging))
  File "<string>", line 1, in <module>
NameError: name 'logging' is not defined

test.ini (in configurationFiles.zip):
---
[loggers]
keys=root

[handlers]
keys=fileHandler

[formatters]
keys=simpleFormatter

[logger_root]
level=DEBUG
handlers=fileHandler

[handler_fileHandler]
class=RotatingFileHandler
level=DEBUG
formatter=simpleFormatter
args=('test.log', 'a', 5000000, 5)

[formatter_simpleFormatter]
format=%(asctime)s - %(name)s - %(levelname)s - %(message)s
datefmt=
---

test.qualified_name.ini (in configurationFiles.zip):
---
[loggers]
keys=root

[handlers]
keys=fileHandler

[formatters]
keys=simpleFormatter

[logger_root]
level=DEBUG
handlers=fileHandler

[handler_fileHandler]
class=logging.handlers.RotatingFileHandler
level=DEBUG
formatter=simpleFormatter
args=('test.log', 'a', 5000000, 5)

[formatter_simpleFormatter]
format=%(asctime)s - %(name)s - %(levelname)s - %(message)s
datefmt=
---

----------
components: Library (Lib)
files: configurationFiles.zip
messages: 57448
nosy: sebastian
severity: urgent
status: open
title: logging.config.fileConfig, NameError: name 'RotatingFileHandler' is not defined
type: crash
versions: Python 2.5
Added file: http://bugs.python.org/file8740/configurationFiles.zip

__________________________________
Tracker <report at bugs.python.org>
<http://bugs.python.org/issue1436>
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