Initial commit

matcha/utils/pylogger.py

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