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30 lines
783 B
Python
30 lines
783 B
Python
import logging
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from lightning.pytorch.utilities import rank_zero_only
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def get_pylogger(name: str = __name__) -> logging.Logger:
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"""Initializes a multi-GPU-friendly python command line logger.
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:param name: The name of the logger, defaults to ``__name__``.
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:return: A logger object.
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"""
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logger = logging.getLogger(name)
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# this ensures all logging levels get marked with the rank zero decorator
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# otherwise logs would get multiplied for each GPU process in multi-GPU setup
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logging_levels = (
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"debug",
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"info",
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"warning",
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"error",
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"exception",
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"fatal",
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"critical",
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)
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for level in logging_levels:
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setattr(logger, level, rank_zero_only(getattr(logger, level)))
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return logger
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