Created
May 14, 2018 23:13
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Logger example which puts messages for each level in their respective files
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| # -*- coding: utf-8 -*- | |
| from __future__ import absolute_import, unicode_literals | |
| import logging.config | |
| class F(logging.Filter): | |
| def __init__(self, level): | |
| super(F, self).__init__(logging.getLevelName(level)) | |
| self._level = level | |
| def filter(self, record): | |
| return record.levelno == self._level | |
| cfg = { | |
| 'version': 1, | |
| # 'disable_existing_loggers': True, # optionally drop all others | |
| 'filters': { | |
| 'd_f': { | |
| '()': 'example.F', | |
| 'level': logging.DEBUG, | |
| }, | |
| 'i_f': { | |
| '()': 'example.F', | |
| 'level': logging.INFO, | |
| }, | |
| 'w_f': { | |
| '()': 'example.F', | |
| 'level': logging.WARNING, | |
| }, | |
| 'e_f': { | |
| '()': 'example.F', | |
| 'level': logging.ERROR, | |
| }, | |
| 'c_f': { | |
| '()': 'example.F', | |
| 'level': logging.CRITICAL, | |
| }, | |
| }, | |
| 'handlers': { | |
| 'd_h' : { | |
| 'class': 'logging.FileHandler', | |
| 'filters': ['d_f'], | |
| 'filename': 'debug.log', | |
| }, | |
| 'i_h' : { | |
| 'class': 'logging.FileHandler', | |
| 'filters': ['i_f'], | |
| 'filename': 'info.log', | |
| }, | |
| 'w_h' : { | |
| 'class': 'logging.FileHandler', | |
| 'filters': ['w_f'], | |
| 'filename': 'warning.log', | |
| }, | |
| 'e_h' : { | |
| 'class': 'logging.FileHandler', | |
| 'filters': ['e_f'], | |
| 'filename': 'error.log', | |
| }, | |
| 'c_h' : { | |
| 'class': 'logging.FileHandler', | |
| 'filters': ['c_f'], | |
| 'filename': 'critical.log', | |
| }, | |
| }, | |
| 'loggers': { | |
| __name__: { | |
| 'handlers': ['d_h', 'i_h', 'w_h', 'e_h', 'c_h'], | |
| 'level': logging.DEBUG, | |
| } | |
| } | |
| } | |
| def main(): | |
| logging.config.dictConfig(cfg) | |
| logger = logging.getLogger(__name__) | |
| logger.debug("debugging atm, do not disturb") | |
| logger.info("just FYI, dude") | |
| logger.warning("heeed my waaarning!") | |
| logger.error("does not compute.") | |
| logger.critical("core meltdown imminent!!.") | |
| if __name__ == '__main__': | |
| main() |
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