40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
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from typing import Callable
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from cachetools import TTLCache, cached
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class LoggingMixin():
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"""
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Logging Mixin
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Shows similar messages only once every `refresh_period`.
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"""
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# Disable output completely
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show_output = True
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def __init__(self, logger, refresh_period: int = 3600):
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"""
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:param refresh_period: in seconds - Show identical messages in this intervals
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"""
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self.logger = logger
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self.refresh_period = refresh_period
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self._log_cache: TTLCache = TTLCache(maxsize=1024, ttl=self.refresh_period)
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def log_once(self, message: str, logmethod: Callable) -> None:
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"""
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Logs message - not more often than "refresh_period" to avoid log spamming
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Logs the log-message as debug as well to simplify debugging.
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:param message: String containing the message to be sent to the function.
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:param logmethod: Function that'll be called. Most likely `logger.info`.
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:return: None.
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"""
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@cached(cache=self._log_cache)
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def _log_once(message: str):
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logmethod(message)
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# Log as debug first
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self.logger.debug(message)
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# Call hidden function.
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if self.show_output:
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_log_once(message)
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