rocm-systems/src/utils/logger.py

##############################################################################bl
# MIT License
#
# Copyright (c) 2021 - 2024 Advanced Micro Devices, Inc. All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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##############################################################################el

import logging
import os
import sys
from utils.utils import trace_logger

# Define the colors
BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8)
RESET_SEQ = "\033[0m"
COLOR_SEQ = "\033[1;%dm"

COLORS = {
    'WARNING': YELLOW,
    'INFO': GREEN,
    'DEBUG': BLUE,
    'CRITICAL': YELLOW,
    'ERROR': RED
}

# Define the formatter
class ColoredFormatter(logging.Formatter):
    def format(self, record):
        levelname = record.levelname
        if levelname in COLORS:
            levelname_color = COLOR_SEQ % (30 + COLORS[levelname]) + levelname + RESET_SEQ
            record.levelname = levelname_color
        return logging.Formatter.format(self, record)

# Setup logger
def setup_logging(verbose):
    # register a trace level logger
    logging.TRACE = logging.DEBUG - 5
    logging.addLevelName(logging.TRACE, "TRACE")
    setattr(logging, "TRACE", logging.TRACE)
    setattr(logging, "trace", trace_logger)

    # default: set loglevel based on selected verbosity
    levels = [logging.INFO, logging.DEBUG, logging.TRACE]
    loglevel = levels[min(verbose, len(levels) - 1)]  # cap to last level index
    # optional: override of default loglevel via env variable
    if "OMNIPERF_LOGLEVEL" in os.environ.keys():
        loglevel = os.environ['OMNIPERF_LOGLEVEL']
        if loglevel in {"DEBUG","debug"}:
            loglevel = logging.DEBUG
        elif loglevel in {"TRACE","trace"}:
            loglevel = logging.TRACE
        elif loglevel in {"INFO","info"}:
            loglevel = logging.INFO
        elif loglevel in {"ERROR","error"}:
            loglevel = logging.ERROR
        else:
            print("Ignoring unsupported OMNIPERF_LOGLEVEL setting (%s)" % loglevel)
            sys.exit(1)

    formatter = ColoredFormatter('%(levelname)s - %(message)s')
    handler = logging.StreamHandler(sys.stdout)
    handler.setFormatter(formatter)
    logging.basicConfig(level=loglevel, handlers=[handler])