/usr/lib/python2.7/dist-packages/pelican/log.py is in python-pelican 3.4.0-2.
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 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | # -*- coding: utf-8 -*-
from __future__ import unicode_literals, print_function
__all__ = [
'init'
]
import os
import sys
import logging
from collections import defaultdict
RESET_TERM = '\033[0;m'
COLOR_CODES = {
'red': 31,
'yellow': 33,
'cyan': 36,
'white': 37,
'bgred': 41,
'bggrey': 100,
}
def ansi(color, text):
"""Wrap text in an ansi escape sequence"""
code = COLOR_CODES[color]
return '\033[1;{0}m{1}{2}'.format(code, text, RESET_TERM)
class ANSIFormatter(logging.Formatter):
"""Convert a `logging.LogRecord' object into colored text, using ANSI
escape sequences.
"""
def format(self, record):
msg = record.getMessage()
if record.levelname == 'INFO':
return ansi('cyan', '-> ') + msg
elif record.levelname == 'WARNING':
return ansi('yellow', record.levelname) + ': ' + msg
elif record.levelname == 'ERROR':
return ansi('red', record.levelname) + ': ' + msg
elif record.levelname == 'CRITICAL':
return ansi('bgred', record.levelname) + ': ' + msg
elif record.levelname == 'DEBUG':
return ansi('bggrey', record.levelname) + ': ' + msg
else:
return ansi('white', record.levelname) + ': ' + msg
class TextFormatter(logging.Formatter):
"""
Convert a `logging.LogRecord' object into text.
"""
def format(self, record):
if not record.levelname or record.levelname == 'INFO':
return record.getMessage()
else:
return record.levelname + ': ' + record.getMessage()
class LimitFilter(logging.Filter):
"""
Remove duplicates records, and limit the number of records in the same
group.
Groups are specified by the message to use when the number of records in
the same group hit the limit.
E.g.: log.warning(('43 is not the answer', 'More erroneous answers'))
"""
ignore = set()
threshold = 5
group_count = defaultdict(int)
def filter(self, record):
# don't limit log messages for anything above "warning"
if record.levelno > logging.WARN:
return record
# extract group
group = None
if len(record.msg) == 2:
record.msg, group = record.msg
# ignore record if it was already raised
# use .getMessage() and not .msg for string formatting
ignore_key = (record.levelno, record.getMessage())
to_ignore = ignore_key in LimitFilter.ignore
LimitFilter.ignore.add(ignore_key)
if to_ignore:
return False
# check if we went over threshold
if group:
key = (record.levelno, group)
LimitFilter.group_count[key] += 1
if LimitFilter.group_count[key] == LimitFilter.threshold:
record.msg = group
if LimitFilter.group_count[key] > LimitFilter.threshold:
return False
return record
class LimitLogger(logging.Logger):
"""
A logger which adds LimitFilter automatically
"""
limit_filter = LimitFilter()
def __init__(self, *args, **kwargs):
super(LimitLogger, self).__init__(*args, **kwargs)
self.addFilter(LimitLogger.limit_filter)
logging.setLoggerClass(LimitLogger)
def init(level=None, handler=logging.StreamHandler()):
logger = logging.getLogger()
if (os.isatty(sys.stdout.fileno())
and not sys.platform.startswith('win')):
fmt = ANSIFormatter()
else:
fmt = TextFormatter()
handler.setFormatter(fmt)
logger.addHandler(handler)
if level:
logger.setLevel(level)
if __name__ == '__main__':
init(level=logging.DEBUG)
root_logger = logging.getLogger()
root_logger.debug('debug')
root_logger.info('info')
root_logger.warning('warning')
root_logger.error('error')
root_logger.critical('critical')
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