113 lines
3.1 KiB
Python
113 lines
3.1 KiB
Python
"""\
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@file logutil.py
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@author Donovan Preston
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Copyright (c) 2006-2007, Linden Research, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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"""
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import syslog
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import logging
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def file_logger(filename):
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"""Create a logger. This sucks, the logging module sucks, but
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it'll do for now.
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"""
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handler = logging.FileHandler(filename)
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formatter = logging.Formatter()
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handler.setFormatter(formatter)
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log = logging.getLogger(filename)
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log.addHandler(handler)
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log.setLevel(logging.DEBUG)
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return log, handler
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def stream_logger(stream):
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"""Create a logger. This sucks."""
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handler = logging.StreamHandler(stream)
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formatter = logging.Formatter()
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handler.setFormatter(formatter)
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log = logging.getLogger()
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log.addHandler(handler)
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log.setLevel(logging.DEBUG)
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return log, handler
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class LineLogger(object):
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towrite = ''
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def __init__(self, emit=None):
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if emit is not None:
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self.emit = emit
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def write(self, stuff):
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self.towrite += stuff
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if '\n' in self.towrite:
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self.flush()
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def flush(self):
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try:
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newline = self.towrite.index('\n')
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except ValueError:
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newline = len(self.towrite)
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while True:
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self.emit(self.towrite[:newline])
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self.towrite = self.towrite[newline+1:]
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try:
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newline = self.towrite.index('\n')
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except ValueError:
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break
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def close(self):
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pass
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def emit(self, *args):
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pass
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class SysLogger(LineLogger):
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"""A file-like object which writes to syslog. Can be inserted
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as sys.stdin and sys.stderr to have logging output redirected
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to syslog.
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"""
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def __init__(self, priority):
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self.priority = priority
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def emit(self, line):
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syslog.syslog(self.priority, line)
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class TeeLogger(LineLogger):
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def __init__(self, one, two):
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self.one, self.two = one, two
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def emit(self, line):
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self.one.emit(line)
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self.two.emit(line)
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class FileLogger(LineLogger):
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def __init__(self, file):
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self.file = file
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def emit(self, line):
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self.file.write(line + '\n')
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self.file.flush()
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