49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
from functools import lru_cache
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import logging
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import sys
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from pathlib import Path
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@lru_cache(maxsize=None)
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def get_logger(
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name: str,
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log_file: str = "app.log",
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console_level: str = "INFO",
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file_level: str = "DEBUG",
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):
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"""
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Configure a logger with console and file handlers.
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Args:
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name: Logger name (usually __name__).
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log_file: Path to the log file.
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console_level: Console logging level (INFO, DEBUG, etc.).
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file_level: File logging level.
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"""
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logger = logging.getLogger(name)
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logger.setLevel(logging.DEBUG) # Set to lowest level (handlers filter further)
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# Clear existing handlers (avoid duplicates in Jupyter/reloads)
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logger.handlers.clear()
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# ---- Console Handler ----
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console_handler = logging.StreamHandler(sys.stdout)
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console_handler.setLevel(console_level.upper())
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console_format = logging.Formatter(
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"[%(asctime)s] %(levelname)s in %(module)s:%(lineno)d - %(message)s"
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# "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
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)
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console_handler.setFormatter(console_format)
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logger.addHandler(console_handler)
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# ---- File Handler ----
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# Path(log_file).parent.mkdir(parents=True, exist_ok=True) # Ensure dir exists
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# file_handler = logging.FileHandler(log_file)
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# file_handler.setLevel(file_level.upper())
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# file_format = logging.Formatter(
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# "%(asctime)s - %(name)s - %(levelname)s - %(message)s (%(filename)s:%(lineno)d)"
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# )
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# file_handler.setFormatter(file_format)
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# logger.addHandler(file_handler) # skip files for now
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return logger
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