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pelican-theme/pelican/log.py

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Python

from logging import *
import sys
import os
global ANSI
ANSI = {
'gray' : lambda(text) : u'\033[1;30m' + unicode(text) + u'\033[1;m',
'red' : lambda(text) : u'\033[1;31m' + unicode(text) + u'\033[1;m',
'green' : lambda(text) : u'\033[1;32m' + unicode(text) + u'\033[1;m',
'yellow' : lambda(text) : u'\033[1;33m' + unicode(text) + u'\033[1;m',
'blue' : lambda(text) : u'\033[1;34m' + unicode(text) + u'\033[1;m',
'magenta' : lambda(text) : u'\033[1;35m' + unicode(text) + u'\033[1;m',
'cyan' : lambda(text) : u'\033[1;36m' + unicode(text) + u'\033[1;m',
'white' : lambda(text) : u'\033[1;37m' + unicode(text) + u'\033[1;m',
'bgred' : lambda(text) : u'\033[1;41m' + unicode(text) + u'\033[1;m',
'bggreen' : lambda(text) : u'\033[1;42m' + unicode(text) + u'\033[1;m',
'bgbrown' : lambda(text) : u'\033[1;43m' + unicode(text) + u'\033[1;m',
'bgblue' : lambda(text) : u'\033[1;44m' + unicode(text) + u'\033[1;m',
'bgmagenta' : lambda(text) : u'\033[1;45m' + unicode(text) + u'\033[1;m',
'bgcyan' : lambda(text) : u'\033[1;46m' + unicode(text) + u'\033[1;m',
'bggray' : lambda(text) : u'\033[1;47m' + unicode(text) + u'\033[1;m',
'bgyellow' : lambda(text) : u'\033[1;43m' + unicode(text) + u'\033[1;m',
'bggrey' : lambda(text) : u'\033[1;100m' + unicode(text) + u'\033[1;m'
}
class ANSIFormatter(Formatter):
"""
Convert a `logging.LogReport' object into colored text, using ANSI escape sequences.
"""
## colors:
def format(self, record):
if record.levelname is 'INFO':
return ANSI['cyan']('-> ') + unicode(record.msg)
elif record.levelname is 'WARNING':
return ANSI['yellow'](record.levelname) + ': ' + unicode(record.msg)
elif record.levelname is 'ERROR':
return ANSI['red'](record.levelname) + ': ' + unicode(record.msg)
elif record.levelname is 'CRITICAL':
return ANSI['bgred'](record.levelname) + ': ' + unicode(record.msg)
elif record.levelname is 'DEBUG':
return ANSI['bggrey'](record.levelname) + ': ' + unicode(record.msg)
else:
return ANSI['white'](record.levelname) + ': ' + unicode(record.msg)
class TextFormatter(Formatter):
"""
Convert a `logging.LogReport' object into text.
"""
def format(self, record):
if not record.levelname or record.levelname is 'INFO':
return record.msg
else:
return record.levelname + ': ' + record.msg
class DummyFormatter(object):
"""
A dummy class.
Return an instance of the appropriate formatter (ANSIFormatter if sys.stdout.isatty() is True, else TextFormatter)
"""
def __new__(cls, *args, **kwargs):
if os.isatty(sys.stdout.fileno()): # thanks to http://stackoverflow.com/questions/2086961/how-can-i-determine-if-a-python-script-is-executed-from-crontab/2087031#2087031
return ANSIFormatter(*args, **kwargs)
else:
return TextFormatter( *args, **kwargs)
def init(level=None, logger=getLogger(), handler=StreamHandler()):
fmt = DummyFormatter()
handler.setFormatter(fmt)
logger.addHandler(handler)
if level:
logger.setLevel(level)
if __name__ == '__main__':
init(level=DEBUG)
debug('debug')
info('info')
warning('warning')
error('error')
critical('critical')
__all__ = [
"debug",
"info",
"warn",
"warning",
"error",
"critical",
"DEBUG",
"INFO",
"WARN",
"ERROR",
"CRITICAL"
]