87 lines
2.3 KiB
Python
87 lines
2.3 KiB
Python
# Public names
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__all__ = ['Logger']
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import sys
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import json
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import time
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# Logger singleton link
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_logger_singleton = None
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'''
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Public Logger oblect
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==================================================
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.set_level(level) - set level messages
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level - values 'debug', 'info', 'warning', 'error'
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* error - write error message
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* warning - write warning and error message
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* info - write info, warning and error message
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* debug - write all message
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.get_level() - get level messages
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.error(str) - write error message
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.warning(str) - write warning message
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.info(str) - write info message
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.debug(str)- write error message
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'''
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class Logger:
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_loglevel = 'info'
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_msg_level = {
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'debug': 'DEBUG',
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'info': 'INFO',
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'warning': 'WARNING',
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'error': 'ERROR'
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}
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def __new__(cls, *args):
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global _logger_singleton
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if _logger_singleton is None:
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_logger_singleton = super(Logger, cls).__new__(cls)
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return _logger_singleton
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def __init__(self, *args):
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if args:
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self.set_level(args[0])
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def set_level(self, level):
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if level in ['debug', 'info', 'warning', 'error']:
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self._loglevel = level
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return True
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else:
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self.warning('Log level "', level, '" not valid')
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return False
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def get_level(self):
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return self._loglevel
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def _make_message(self, level, message):
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r = []
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for m in message:
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if type(m).__name__ == 'str':
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r.append(m)
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else:
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r.append(json.dumps(m, sort_keys=True, indent=2))
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return '[' + str(time.time()) + '] ' + self._msg_level[level] + ': ' + ''.join(r) + "\n"
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def debug(self, *message):
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if self.get_level() in ['debug']:
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self._log2err(self._make_message('debug', message))
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def info(self, *message):
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if self.get_level() in ['debug', 'info']:
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self._log2out(self._make_message('info', message))
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def warning(self, *message):
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if self.get_level() in ['debug', 'info', 'warning']:
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self._log2out(self._make_message('warning', message))
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def error(self, *message):
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self._log2err(self._make_message('error', message))
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def _log2err(self, out):
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sys.stderr.write(out)
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def _log2out(self, out):
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sys.stdout.write(out)
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