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"""
Enhanced logging with structured output
"""
import logging
import sys
import json
from datetime import datetime
from typing import Any, Dict, Optional
import structlog
from pathlib import Path
# Configure structlog
structlog.configure(
processors=[
structlog.stdlib.filter_by_level,
structlog.stdlib.add_logger_name,
structlog.stdlib.add_log_level,
structlog.stdlib.PositionalArgumentsFormatter(),
structlog.processors.TimeStamper(fmt="iso"),
structlog.processors.StackInfoRenderer(),
structlog.processors.format_exc_info,
structlog.processors.UnicodeDecoder(),
structlog.processors.JSONRenderer()
],
context_class=dict,
logger_factory=structlog.stdlib.LoggerFactory(),
cache_logger_on_first_use=True,
)
class StructuredLogger:
"""Wrapper for structured logging"""
def __init__(self, name: str):
self.logger = structlog.get_logger(name)
self._context = {}
def bind(self, **kwargs):
"""Bind context variables"""
self._context.update(kwargs)
return self
def _log(self, level: str, message: str, **kwargs):
"""Internal log method"""
log_data = {
**self._context,
**kwargs,
'timestamp': datetime.utcnow().isoformat(),
'level': level,
'message': message
}
getattr(self.logger, level)(message, **log_data)
def debug(self, message: str, **kwargs):
self._log('debug', message, **kwargs)
def info(self, message: str, **kwargs):
self._log('info', message, **kwargs)
def warning(self, message: str, **kwargs):
self._log('warning', message, **kwargs)
def error(self, message: str, exc_info=False, **kwargs):
if exc_info:
kwargs['exc_info'] = exc_info
self._log('error', message, **kwargs)
def critical(self, message: str, **kwargs):
self._log('critical', message, **kwargs)
def setup_logging(
log_level: str = "INFO",
log_file: Optional[str] = None,
json_logs: bool = True
):
"""Setup logging configuration"""
# Create logs directory if needed
if log_file:
log_path = Path(log_file)
log_path.parent.mkdir(parents=True, exist_ok=True)
# Configure root logger
root_logger = logging.getLogger()
root_logger.setLevel(getattr(logging, log_level.upper()))
# Remove existing handlers
for handler in root_logger.handlers[:]:
root_logger.removeHandler(handler)
# Console handler
console_handler = logging.StreamHandler(sys.stdout)
if json_logs:
# JSON formatter for structured logs
formatter = logging.Formatter('%(message)s')
else:
# Human-readable formatter
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
console_handler.setFormatter(formatter)
root_logger.addHandler(console_handler)
# File handler if specified
if log_file:
file_handler = logging.FileHandler(log_file)
file_handler.setFormatter(formatter)
root_logger.addHandler(file_handler)
# Suppress noisy libraries
logging.getLogger('httpx').setLevel(logging.WARNING)
logging.getLogger('httpcore').setLevel(logging.WARNING)
logging.getLogger('asyncio').setLevel(logging.WARNING)
def get_logger(name: str) -> StructuredLogger:
"""Get a structured logger instance"""
return StructuredLogger(name)
class LoggerAdapter:
"""Adapter for legacy logging compatibility"""
def __init__(self, logger: StructuredLogger):
self.logger = logger
def __getattr__(self, name):
return getattr(self.logger, name) |