Source code for pyEdgeEval.utils.logger

#!/usr/bin/env python3
# Copyright (c) OpenMMLab. All rights reserved.

"""Modified from mmcv.utils

- logger name
"""

import logging


logger_initialized: dict = {}


[docs]def get_logger(name, log_file=None, log_level=logging.INFO, file_mode="w"): """Initialize and get a logger by name. If the logger has not been initialized, this method will initialize the logger by adding one or two handlers, otherwise the initialized logger will be directly returned. During initialization, a StreamHandler will always be added. If `log_file` is specified and the process rank is 0, a FileHandler will also be added. Args: name (str): Logger name. log_file (str | None): The log filename. If specified, a FileHandler will be added to the logger. log_level (int): The logger level. Note that only the process of rank 0 is affected, and other processes will set the level to "Error" thus be silent most of the time. file_mode (str): The file mode used in opening log file. Defaults to 'w'. Returns: logging.Logger: The expected logger. """ logger = logging.getLogger(name) if name in logger_initialized: return logger # handle hierarchical names # e.g., logger "a" is initialized, then logger "a.b" will skip the # initialization since it is a child of "a". for logger_name in logger_initialized: if name.startswith(logger_name): return logger stream_handler = logging.StreamHandler() handlers = [stream_handler] if log_file is not None: # Here, the default behaviour of the official logger is 'a'. Thus, we # provide an interface to change the file mode to the default # behaviour. file_handler = logging.FileHandler(log_file, file_mode) handlers.append(file_handler) formatter = logging.Formatter( "%(asctime)s - %(name)s - %(levelname)s - %(message)s" ) for handler in handlers: handler.setFormatter(formatter) handler.setLevel(log_level) logger.addHandler(handler) logger.setLevel(log_level) logger_initialized[name] = True return logger
[docs]def get_root_logger(log_file=None, log_level=logging.INFO): """Get the root logger. The logger will be initialized if it has not been initialized. By default a StreamHandler will be added. If `log_file` is specified, a FileHandler will also be added. The name of the root logger is the top-level package name, e.g., "potato". Args: log_file (str | None): The log filename. If specified, a FileHandler will be added to the root logger. log_level (int): The root logger level. Note that only the process of rank 0 is affected, while other processes will set the level to "Error" and be silent most of the time. Returns: logging.Logger: The root logger. """ logger = get_logger( name="pyEdgeEval", log_file=log_file, log_level=log_level ) return logger