Dariusz L
3687d26f17
Bump logging version to 1.4.1 and improve module name detection by adding _find_project_root in log_funcs to locate the repository root (searches for a .git directory) and use its basename when LOG_MODULE_NAME is not set, with a fallback to the previous behavior. Also update the same version string in logger.py. Additionally, comment out two noisy debug log lines in core/scanner.py to reduce verbose output when directories are missing or after scanning.
349 lines
10 KiB
Python
349 lines
10 KiB
Python
"""
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@author: Azornes
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@title: AzLogs
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@version: 1.4.1
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@description: Logging Setup - Central logging system
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Features:
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- Different log levels (DEBUG, INFO, WARN, ERROR)
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- Ability to enable/disable logs globally or per module
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- Colored logs in console
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- Log file rotation
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- Configuration via environment variables
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"""
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import os
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import sys
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import json
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import logging
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import datetime
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from enum import IntEnum
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from logging.handlers import RotatingFileHandler
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import traceback
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# Log levels
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class LogLevel(IntEnum):
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DEBUG = 10
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INFO = 20
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WARN = 30
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ERROR = 40
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NONE = 100
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# Level mapping
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LEVEL_MAP = {
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LogLevel.DEBUG: logging.DEBUG,
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LogLevel.INFO: logging.INFO,
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LogLevel.WARN: logging.WARNING,
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LogLevel.ERROR: logging.ERROR,
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LogLevel.NONE: logging.CRITICAL + 1,
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}
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# ANSI colors for different log levels
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COLORS = {
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LogLevel.DEBUG: "\033[90m", # Gray
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LogLevel.INFO: "\033[94m", # Blue
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LogLevel.WARN: "\033[93m", # Yellow
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LogLevel.ERROR: "\033[91m", # Red
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"RESET": "\033[0m", # Reset
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}
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# Default configuration
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DEFAULT_CONFIG = {
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"global_level": LogLevel.INFO,
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"module_settings": {},
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"use_colors": True,
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"log_to_file": False,
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"log_dir": "logs",
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"max_file_size_mb": 10,
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"backup_count": 5,
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"timestamp_format": "%H:%M:%S",
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}
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class ColoredFormatter(logging.Formatter):
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"""Formatter that adds colors to console logs"""
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def __init__(self, fmt=None, datefmt=None, use_colors=True):
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super().__init__(fmt, datefmt)
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self.use_colors = use_colors
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def format(self, record):
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# Get the formatted message from the record
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message = record.getMessage()
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if record.exc_info:
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message += "\n" + self.formatException(record.exc_info)
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levelname = record.levelname
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# Build the log prefix
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prefix = "[{}] [{}] [{}]".format(
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self.formatTime(record, self.datefmt), record.name, record.levelname
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)
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# Apply color and bold styling to the prefix
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if self.use_colors and hasattr(LogLevel, levelname):
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level_enum = getattr(LogLevel, levelname)
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if level_enum in COLORS:
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# Apply bold (\033[1m) and color, then reset
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prefix = f"\033[1m{COLORS[level_enum]}{prefix}{COLORS['RESET']}"
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return f"{prefix} {message}"
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class AzLogsLogger:
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"""Main logger class for AzLogs"""
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_instance = None
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def __new__(cls):
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if cls._instance is None:
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cls._instance = super(AzLogsLogger, cls).__new__(cls)
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cls._instance._initialized = False
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return cls._instance
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def __init__(self):
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if self._initialized:
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return
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self.config = DEFAULT_CONFIG.copy()
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self.enabled = True
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self.loggers = {}
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# Load configuration from environment variables
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self._load_config_from_env()
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self._initialized = True
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def _load_config_from_env(self):
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"""Load configuration from environment variables"""
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# Global level
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if "AZLOGS_LOG_LEVEL" in os.environ:
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level_name = os.environ["AZLOGS_LOG_LEVEL"].upper()
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if hasattr(LogLevel, level_name):
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self.config["global_level"] = getattr(LogLevel, level_name)
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# Module settings
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if "AZLOGS_MODULE_LEVELS" in os.environ:
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try:
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module_settings = json.loads(os.environ["AZLOGS_MODULE_LEVELS"])
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for module, level_name in module_settings.items():
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if hasattr(LogLevel, level_name.upper()):
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self.config["module_settings"][module] = getattr(
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LogLevel, level_name.upper()
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)
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except json.JSONDecodeError:
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pass
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# Other settings
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if "AZLOGS_USE_COLORS" in os.environ:
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self.config["use_colors"] = (
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os.environ["AZLOGS_USE_COLORS"].lower() == "true"
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)
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if "AZLOGS_LOG_TO_FILE" in os.environ:
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self.config["log_to_file"] = (
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os.environ["AZLOGS_LOG_TO_FILE"].lower() == "true"
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)
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if "AZLOGS_LOG_DIR" in os.environ:
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self.config["log_dir"] = os.environ["AZLOGS_LOG_DIR"]
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if "AZLOGS_MAX_FILE_SIZE_MB" in os.environ:
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try:
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self.config["max_file_size_mb"] = int(
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os.environ["AZLOGS_MAX_FILE_SIZE_MB"]
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)
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except ValueError:
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pass
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if "AZLOGS_BACKUP_COUNT" in os.environ:
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try:
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self.config["backup_count"] = int(os.environ["AZLOGS_BACKUP_COUNT"])
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except ValueError:
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pass
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def configure(self, config):
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"""Configure the logger"""
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self.config.update(config)
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# If file logging is enabled, ensure the directory exists
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if self.config.get("log_to_file") and self.config.get("log_dir"):
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try:
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os.makedirs(self.config["log_dir"], exist_ok=True)
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except OSError as e:
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# This is a critical situation, so use print
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print(
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f"[CRITICAL] Could not create log directory: {self.config['log_dir']}. Error: {e}"
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)
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traceback.print_exc()
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# Disable file logging to avoid further errors
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self.config["log_to_file"] = False
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return self
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def set_enabled(self, enabled):
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"""Enable/disable the logger globally"""
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self.enabled = enabled
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return self
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def set_global_level(self, level):
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"""Set global logging level"""
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self.config["global_level"] = level
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return self
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def set_module_level(self, module, level):
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"""Set logging level for a specific module"""
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self.config["module_settings"][module] = level
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return self
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def is_level_enabled(self, module, level):
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"""Check if a given logging level is active for the module"""
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if not self.enabled:
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return False
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# Determine effective logging level, considering module and global settings
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effective_level = self.config["module_settings"].get(
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module, self.config["global_level"]
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)
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# If effective level is NONE, logging is completely disabled
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if effective_level == LogLevel.NONE:
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return False
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# Otherwise check if log level is high enough
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return level >= effective_level
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def _get_logger(self, module):
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"""Get or create a logger for the module"""
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if module in self.loggers:
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return self.loggers[module]
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# Create new logger
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logger = logging.getLogger(f"azlogs.{module}")
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logger.setLevel(logging.DEBUG) # Set lowest level, filtering will be done later
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logger.propagate = False
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# Add console handler
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console_handler = logging.StreamHandler(sys.stdout)
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console_formatter = ColoredFormatter(
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fmt="[%(asctime)s] [%(name)s] [%(levelname)s] %(message)s",
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datefmt=self.config["timestamp_format"],
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use_colors=self.config["use_colors"],
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)
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console_handler.setFormatter(console_formatter)
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logger.addHandler(console_handler)
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# Add file handler if file logging is enabled
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if self.config["log_to_file"]:
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log_file = os.path.join(self.config["log_dir"], f"azlogs_{module}.log")
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file_handler = RotatingFileHandler(
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log_file,
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maxBytes=self.config["max_file_size_mb"] * 1024 * 1024,
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backupCount=self.config["backup_count"],
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encoding="utf-8",
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)
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file_formatter = logging.Formatter(
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fmt="[%(asctime)s] [%(name)s] [%(levelname)s] %(message)s",
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datefmt="%Y-%m-%d %H:%M:%S",
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)
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file_handler.setFormatter(file_formatter)
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logger.addHandler(file_handler)
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self.loggers[module] = logger
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return logger
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def log(self, module, level, *args, **kwargs):
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"""Write log"""
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if not self.is_level_enabled(module, level):
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return
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logger = self._get_logger(module)
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# Convert arguments to string
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message = " ".join(str(arg) for arg in args)
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# Add exception info if provided
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exc_info = kwargs.get("exc_info", None)
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# Map LogLevel to logging level
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log_level = LEVEL_MAP.get(level, logging.INFO)
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# Write log
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logger.log(log_level, message, exc_info=exc_info)
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def debug(self, module, *args, **kwargs):
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"""Log at DEBUG level"""
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self.log(module, LogLevel.DEBUG, *args, **kwargs)
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def info(self, module, *args, **kwargs):
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"""Log at INFO level"""
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self.log(module, LogLevel.INFO, *args, **kwargs)
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def warn(self, module, *args, **kwargs):
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"""Log at WARN level"""
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self.log(module, LogLevel.WARN, *args, **kwargs)
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def error(self, module, *args, **kwargs):
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"""Log at ERROR level"""
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self.log(module, LogLevel.ERROR, *args, **kwargs)
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def exception(self, module, *args):
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"""Log exception at ERROR level"""
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self.log(module, LogLevel.ERROR, *args, exc_info=True)
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# Singleton
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logger = AzLogsLogger()
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# Helper functions
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def debug(module, *args, **kwargs):
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"""Log at DEBUG level"""
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logger.log(module, LogLevel.DEBUG, *args, **kwargs)
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def info(module, *args, **kwargs):
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"""Log at INFO level"""
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logger.log(module, LogLevel.INFO, *args, **kwargs)
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def warn(module, *args, **kwargs):
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"""Log at WARN level"""
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logger.log(module, LogLevel.WARN, *args, **kwargs)
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def error(module, *args, **kwargs):
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"""Log at ERROR level"""
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logger.log(module, LogLevel.ERROR, *args, **kwargs)
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def exception(module, *args):
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"""Log exception at ERROR level"""
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logger.log(module, LogLevel.ERROR, *args, exc_info=True)
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# Function to quickly enable/disable debugging
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def set_debug(enabled=True):
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"""Enable/disable debugging globally"""
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if enabled:
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logger.set_global_level(LogLevel.DEBUG)
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else:
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logger.set_global_level(LogLevel.INFO)
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return logger
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# Function to enable/disable file logging
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def set_file_logging(enabled=True, log_dir=None):
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"""Enable/disable logging to file"""
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logger.config["log_to_file"] = enabled
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if log_dir:
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logger.config["log_dir"] = log_dir
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os.makedirs(log_dir, exist_ok=True)
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# Reset loggers to apply new settings
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logger.loggers = {}
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return logger
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