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https://github.com/certbot/certbot.git
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133 lines
2.7 KiB
Python
133 lines
2.7 KiB
Python
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import sys
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import time
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class Singleton(object):
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_instance = None
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def __new__(cls, *args, **kwargs):
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if not cls._instance:
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cls._instance = super(Singleton, cls).__new__(
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cls, *args, **kwargs)
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return cls._instance
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# log levels
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TRACE=5
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DEBUG=4
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INFO=3
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WARN=2
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ERROR=1
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FATAL=0
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NONE=-1
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class Logger(Singleton):
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debugLevelStr = {TRACE:'TRACE', DEBUG:'DEBUG', INFO:'INFO', \
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WARN:'WARN', ERROR:'ERROR', FATAL:'FATAL'}
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def __init__(self):
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self.level = INFO
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def debugLevel(self, level=DEBUG):
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return self.debugLevelStr[level]
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def log(self, level, data):
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raise Exception("Error: no Logger defined")
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def timefmt(self, t=None):
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if t == None:
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t = time.time()
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return time.strftime("%b %d %Y %H:%M:%S", time.localtime(t)) + ('%.03f' % (t - int(t)))[1:]
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class FileLogger(Logger):
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def __init__(self, outfile):
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self.outfile = outfile
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def log(self, level, data):
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msg = "%s [%s] %s\n" % (self.timefmt(), self.debugLevel(level), data)
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self.outfile.write(msg)
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import dialog
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class NcursesLogger(Logger):
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def __init__(self, firstmessage="", height=18, width=70):
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self.content = firstmessage
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self.d = dialog.Dialog()
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self.height = height
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self.width = width
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self.show()
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def add(self, s):
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self.content += s
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self.show()
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def show(self):
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self.d.infobox(self.content, self.height, self.width)
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def log(self, level, data):
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self.add(data + "\n")
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log_instance = None
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def setLogger(log_inst):
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global log_instance
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log_instance = log_inst
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def setLogLevel(log_level):
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global log_instance
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log_instance.level = log_level
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def log(level, data):
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global log_instance
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if level <= log_instance.level:
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log_instance.log(level, data)
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def trace(data):
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log(TRACE, data)
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def debug(data):
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log(DEBUG, data)
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def info(data):
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log(INFO, data)
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def warn(data):
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log(WARN, data)
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def error(data):
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log(ERROR, data)
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def fatal(data):
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log(FATAL, data)
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def none(data):
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# Uh...what?
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pass
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if __name__ == "__main__":
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# Unit test/example usage:
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import logger
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# Set the logging type you want to use (stdout logging):
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#logger.setLogger(FileLogger(sys.stdout))
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logger.setLogger(NcursesLogger())
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# Set the most verbose you want to log (TRACE, DEBUG, INFO, WARN, ERROR, FATAL, NONE)
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logger.setLogLevel(logger.TRACE)
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# Log a message:
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logger.log(logger.INFO, "logger!")
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time.sleep(0.01)
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# Alternatively, use
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logger.error("errrrr")
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logger.trace("some trace data: %d - %f - %s" % (5, 8.3, 'cows'))
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