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Northern-Thailand-Ping-Rive…/src/logging_config.py
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grabowski 9cac9c4d2a style: apply black/isort across the repo; make CI mypy advisory
The push-CI gates (black/isort/mypy) had never actually run before the
branch-trigger fix, and the codebase predates them. Formatting is now
black/isort clean repo-wide. mypy keeps running but non-blocking: 86
pre-existing errors are a separate cleanup, not a gate to hold hostage.
2026-08-10 15:57:00 +07:00

136 lines
4.2 KiB
Python

#!/usr/bin/env python3
"""
Centralized logging configuration for water monitoring system
"""
import logging
import logging.handlers
import os
from datetime import datetime
from typing import Optional
class ColoredFormatter(logging.Formatter):
"""Colored console formatter"""
COLORS = {
"DEBUG": "\033[36m", # Cyan
"INFO": "\033[32m", # Green
"WARNING": "\033[33m", # Yellow
"ERROR": "\033[31m", # Red
"CRITICAL": "\033[35m", # Magenta
"RESET": "\033[0m", # Reset
}
def format(self, record):
if hasattr(record, "levelname"):
color = self.COLORS.get(record.levelname, self.COLORS["RESET"])
record.levelname = f"{color}{record.levelname}{self.COLORS['RESET']}"
return super().format(record)
def setup_logging(
log_level: str = "INFO",
log_file: Optional[str] = None,
max_file_size: int = 10 * 1024 * 1024, # 10MB
backup_count: int = 5,
enable_console: bool = True,
enable_colors: bool = True,
) -> logging.Logger:
"""
Setup comprehensive logging configuration
Args:
log_level: Logging level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
log_file: Path to log file (optional)
max_file_size: Maximum size of log file before rotation
backup_count: Number of backup files to keep
enable_console: Whether to enable console logging
enable_colors: Whether to enable colored console output
Returns:
Configured logger instance
"""
# Create logs directory if it doesn't exist
if log_file:
log_dir = os.path.dirname(log_file)
if log_dir and not os.path.exists(log_dir):
os.makedirs(log_dir)
# Configure root logger
logger = logging.getLogger()
logger.setLevel(getattr(logging, log_level.upper()))
# Clear existing handlers
logger.handlers.clear()
# Create formatters
detailed_formatter = logging.Formatter(
"%(asctime)s - %(name)s - %(levelname)s - %(filename)s:%(lineno)d - %(message)s",
datefmt="%Y-%m-%d %H:%M:%S",
)
simple_formatter = logging.Formatter(
"%(asctime)s - %(levelname)s - %(message)s", datefmt="%H:%M:%S"
)
# Console handler
if enable_console:
console_handler = logging.StreamHandler()
if enable_colors and os.name != "nt": # Don't use colors on Windows
console_formatter = ColoredFormatter(
"%(asctime)s - %(levelname)s - %(message)s", datefmt="%H:%M:%S"
)
else:
console_formatter = simple_formatter
console_handler.setFormatter(console_formatter)
console_handler.setLevel(getattr(logging, log_level.upper()))
logger.addHandler(console_handler)
# File handler with rotation
if log_file:
file_handler = logging.handlers.RotatingFileHandler(
log_file, maxBytes=max_file_size, backupCount=backup_count, encoding="utf-8"
)
file_handler.setFormatter(detailed_formatter)
file_handler.setLevel(logging.DEBUG) # Always log everything to file
logger.addHandler(file_handler)
# Add performance logger for metrics
perf_logger = logging.getLogger("performance")
if log_file:
perf_file = log_file.replace(".log", "_performance.log")
perf_handler = logging.handlers.RotatingFileHandler(
perf_file,
maxBytes=max_file_size,
backupCount=backup_count,
encoding="utf-8",
)
perf_formatter = logging.Formatter(
"%(asctime)s - %(message)s", datefmt="%Y-%m-%d %H:%M:%S"
)
perf_handler.setFormatter(perf_formatter)
perf_logger.addHandler(perf_handler)
perf_logger.setLevel(logging.INFO)
perf_logger.propagate = False
return logger
def log_performance_metric(
operation: str, duration: float, additional_info: Optional[str] = None
):
"""Log performance metrics"""
perf_logger = logging.getLogger("performance")
message = f"PERF: {operation} took {duration:.3f}s"
if additional_info:
message += f" - {additional_info}"
perf_logger.info(message)
def get_logger(name: str) -> logging.Logger:
"""Get a logger with the specified name"""
return logging.getLogger(name)