New submission from Nikolaus Rath <nikol...@rath.org>:
I believe the following should print only one log message, not two:
import logging
class Filter(object):
def filter(self, record):
return record.name == 'foo'
logger = logging.getLogger()
formatter = logging.Formatter('%(message)s')
handler = logging.StreamHandler()
handler.setFormatter(formatter)
logger.addFilter(Filter())
logger.addHandler(handler)
logging.getLogger('foo').warn('foo!')
logging.getLogger('bar').warn('bar!')
If the filter is added to the handler instead of the logger, everything works
as expected.
If this is desired behaviour, please consider this a bug against the
documentation. In that case I propose to extend the documentation of
Logger.addFilter() as follows: "Note that the filter will act only on log
messages that are generated by this logger, and not on messages that have been
generated by descendant loggers."
----------
components: Library (Lib)
messages: 113932
nosy: Nikratio
priority: normal
severity: normal
status: open
title: logging filter is ignored when added to root handler
type: behavior
versions: Python 2.6
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue9606>
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