logging.py•1.73 kB
import structlog
import logging
import sys
from typing import Any, Dict
from src.config.settings import settings
# Configure standard library logging
# For MCP server, logs should go to stderr to keep stdout clean for JSON-RPC
logging.basicConfig(
format="%(message)s",
stream=sys.stderr,
level=getattr(logging, settings.mcp_log_level.upper()),
)
# 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.CallsiteParameterAdder(
parameters=[
structlog.processors.CallsiteParameter.FILENAME,
structlog.processors.CallsiteParameter.LINENO,
]
),
structlog.dev.ConsoleRenderer() if settings.is_development else structlog.processors.JSONRenderer(),
],
context_class=dict,
logger_factory=structlog.stdlib.LoggerFactory(),
cache_logger_on_first_use=True,
)
def get_logger(name: str) -> structlog.BoundLogger:
"""Get a structured logger instance."""
return structlog.get_logger(name)
def log_error(logger: structlog.BoundLogger, error: Exception, context: Dict[str, Any] = None) -> None:
"""Log an error with context."""
if context is None:
context = {}
logger.error(
"error_occurred",
error_type=type(error).__name__,
error_message=str(error),
**context
)