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# -*- coding: utf-8 -*-
"""
pint.compat.nullhandler
~~~~~~~~~~~~~~~~~~~~~~~
Taken from the Python 2.7 source code.
:copyright: 2013, PSF
:license: PSF License
"""
import logging
class NullHandler(logging.Handler):
"""
This handler does nothing. It's intended to be used to avoid the
"No handlers could be found for logger XXX" one-off warning. This is
important for library code, which may contain code to log events. If a user
of the library does not configure logging, the one-off warning might be
produced; to avoid this, the library developer simply needs to instantiate
a NullHandler and add it to the top-level logger of the library module or
package.
"""
def handle(self, record):
pass
def emit(self, record):
pass
def createLock(self):
self.lock = None
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