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84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
import time
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import json
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from pisa import f_logger, c_logger
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class _StructuredMessage:
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def __init__(self, message, **kwargs):
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self.message = message
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self.time = time.asctime()
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self.kwargs = kwargs
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def __str__(self):
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return {**self.kwargs, "message": self.message, "time": self.time}
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class Logger:
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"""
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The :class:`Logger` is the class in charge of logging events into the log file.
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Args:
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actor (:obj:`str`): the system actor that is logging the event (e.g. ``Watcher``, ``Cryptographer``, ...).
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"""
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def __init__(self, actor=None):
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self.actor = actor
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def _add_prefix(self, msg):
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return msg if self.actor is None else "[{}] {}".format(self.actor, msg)
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def _create_console_message(self, msg, **kwargs):
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return _StructuredMessage(self._add_prefix(msg), actor=self.actor, **kwargs).message
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def _create_file_message(self, msg, **kwargs):
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return json.dumps(_StructuredMessage(msg, actor=self.actor, **kwargs).__str__())
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def info(self, msg, **kwargs):
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"""
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Logs an ``INFO`` level message to stdout and file.
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Args:
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msg (:obj:`str`): the message to be logged.
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kwargs: a ``key:value`` collection parameters to be added to the output.
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"""
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f_logger.info(self._create_file_message(msg, **kwargs))
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c_logger.info(self._create_console_message(msg, **kwargs))
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def debug(self, msg, **kwargs):
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"""
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Logs an ``DEBUG`` level message to stdout and file.
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Args:
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msg (:obj:`str`): the message to be logged.
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kwargs: a ``key:value`` collection parameters to be added to the output.
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"""
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f_logger.debug(self._create_file_message(msg, **kwargs))
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c_logger.debug(self._create_console_message(msg, **kwargs))
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def error(self, msg, **kwargs):
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"""
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Logs an ``ERROR`` level message to stdout and file.
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Args:
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msg (:obj:`str`): the message to be logged.
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kwargs: a ``key:value`` collection parameters to be added to the output.
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"""
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f_logger.error(self._create_file_message(msg, **kwargs))
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c_logger.error(self._create_console_message(msg, **kwargs))
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def warning(self, msg, **kwargs):
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"""
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Logs an ``WARNING`` level message to stdout and file.
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Args:
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msg (:obj:`str`): the message to be logged.
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kwargs: a ``key:value`` collection parameters to be added to the output.
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"""
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f_logger.warning(self._create_file_message(msg, **kwargs))
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c_logger.warning(self._create_console_message(msg, **kwargs))
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