/usr/share/pyshared/dulwich/log_utils.py is in python-dulwich 0.8.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | # log_utils.py -- Logging utilities for Dulwich
# Copyright (C) 2010 Google, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
"""Logging utilities for Dulwich.
Any module that uses logging needs to do compile-time initialization to set up
the logging environment. Since Dulwich is also used as a library, clients may
not want to see any logging output. In that case, we need to use a special
handler to suppress spurious warnings like "No handlers could be found for
logger dulwich.foo".
For details on the _NullHandler approach, see:
http://docs.python.org/library/logging.html#configuring-logging-for-a-library
For many modules, the only function from the logging module they need is
getLogger; this module exports that function for convenience. If a calling
module needs something else, it can import the standard logging module directly.
"""
import logging
import sys
getLogger = logging.getLogger
class _NullHandler(logging.Handler):
"""No-op logging handler to avoid unexpected logging warnings."""
def emit(self, record):
pass
_NULL_HANDLER = _NullHandler()
_DULWICH_LOGGER = getLogger('dulwich')
_DULWICH_LOGGER.addHandler(_NULL_HANDLER)
def default_logging_config():
"""Set up the default Dulwich loggers."""
remove_null_handler()
logging.basicConfig(level=logging.INFO, stream=sys.stderr,
format='%(asctime)s %(levelname)s: %(message)s')
def remove_null_handler():
"""Remove the null handler from the Dulwich loggers.
If a caller wants to set up logging using something other than
default_logging_config, calling this function first is a minor optimization
to avoid the overhead of using the _NullHandler.
"""
_DULWICH_LOGGER.removeHandler(_NULL_HANDLER)
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