Projektarbeit-MYP/backend/app/utils/logging_config.py

101 lines
3.3 KiB
Python

import logging
import logging.handlers
import os
from typing import Dict
from config.settings import (
LOG_DIR, LOG_SUBDIRS, LOG_LEVEL, LOG_FORMAT, LOG_DATE_FORMAT,
get_log_file, ensure_log_directories
)
# Dictionary zur Speicherung der konfigurierten Logger
_loggers: Dict[str, logging.Logger] = {}
def setup_logging():
"""Initialisiert das Logging-System und erstellt alle erforderlichen Verzeichnisse."""
ensure_log_directories()
# Root-Logger konfigurieren
root_logger = logging.getLogger()
root_logger.setLevel(getattr(logging, LOG_LEVEL))
# Alle Handler entfernen
for handler in root_logger.handlers[:]:
root_logger.removeHandler(handler)
# Formatter erstellen
formatter = logging.Formatter(LOG_FORMAT, LOG_DATE_FORMAT)
# Console Handler für alle Logs
console_handler = logging.StreamHandler()
console_handler.setLevel(getattr(logging, LOG_LEVEL))
console_handler.setFormatter(formatter)
root_logger.addHandler(console_handler)
# File Handler für allgemeine App-Logs
app_log_file = get_log_file("app")
app_handler = logging.handlers.RotatingFileHandler(
app_log_file, maxBytes=10*1024*1024, backupCount=5
)
app_handler.setLevel(getattr(logging, LOG_LEVEL))
app_handler.setFormatter(formatter)
root_logger.addHandler(app_handler)
def get_logger(category: str) -> logging.Logger:
"""
Gibt einen konfigurierten Logger für eine bestimmte Kategorie zurück.
Args:
category: Log-Kategorie (app, scheduler, auth, jobs, printers, errors)
Returns:
logging.Logger: Konfigurierter Logger
"""
if category in _loggers:
return _loggers[category]
# Logger erstellen
logger = logging.getLogger(f"myp.{category}")
logger.setLevel(getattr(logging, LOG_LEVEL))
# Verhindere doppelte Logs durch Parent-Logger
logger.propagate = False
# Formatter erstellen
formatter = logging.Formatter(LOG_FORMAT, LOG_DATE_FORMAT)
# Console Handler
console_handler = logging.StreamHandler()
console_handler.setLevel(getattr(logging, LOG_LEVEL))
console_handler.setFormatter(formatter)
logger.addHandler(console_handler)
# File Handler für spezifische Kategorie
log_file = get_log_file(category)
file_handler = logging.handlers.RotatingFileHandler(
log_file, maxBytes=10*1024*1024, backupCount=5
)
file_handler.setLevel(getattr(logging, LOG_LEVEL))
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
# Error-Logs zusätzlich in errors.log schreiben
if category != "errors":
error_log_file = get_log_file("errors")
error_handler = logging.handlers.RotatingFileHandler(
error_log_file, maxBytes=10*1024*1024, backupCount=5
)
error_handler.setLevel(logging.ERROR)
error_handler.setFormatter(formatter)
logger.addHandler(error_handler)
_loggers[category] = logger
return logger
def log_startup_info():
"""Loggt Startup-Informationen."""
app_logger = get_logger("app")
app_logger.info("=" * 50)
app_logger.info("MYP (Manage Your Printers) wird gestartet...")
app_logger.info(f"Log-Verzeichnis: {LOG_DIR}")
app_logger.info(f"Log-Level: {LOG_LEVEL}")
app_logger.info("=" * 50)