49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
|
"""Application logging setup using structlog."""
|
||
|
|
|
||
|
|
from __future__ import annotations
|
||
|
|
|
||
|
|
import logging
|
||
|
|
import sys
|
||
|
|
|
||
|
|
import structlog
|
||
|
|
|
||
|
|
from app.config import get_settings
|
||
|
|
|
||
|
|
|
||
|
|
def configure_logging() -> None:
|
||
|
|
"""Configure structlog + stdlib logging once at startup."""
|
||
|
|
cfg = get_settings()
|
||
|
|
level = getattr(logging, cfg.log_level.upper(), logging.INFO)
|
||
|
|
|
||
|
|
# stdlib root logger
|
||
|
|
logging.basicConfig(
|
||
|
|
level=level,
|
||
|
|
format="%(message)s",
|
||
|
|
stream=sys.stdout,
|
||
|
|
)
|
||
|
|
|
||
|
|
# structlog processors — JSON output in prod, pretty console in dev
|
||
|
|
shared_processors = [
|
||
|
|
structlog.contextvars.merge_contextvars,
|
||
|
|
structlog.processors.add_log_level,
|
||
|
|
structlog.processors.TimeStamper(fmt="iso"),
|
||
|
|
structlog.processors.StackInfoRenderer(),
|
||
|
|
structlog.processors.format_exc_info,
|
||
|
|
]
|
||
|
|
if cfg.debug:
|
||
|
|
renderer = structlog.dev.ConsoleRenderer(colors=True)
|
||
|
|
else:
|
||
|
|
renderer = structlog.processors.JSONRenderer()
|
||
|
|
|
||
|
|
structlog.configure(
|
||
|
|
processors=shared_processors + [renderer],
|
||
|
|
wrapper_class=structlog.make_filtering_bound_logger(level),
|
||
|
|
logger_factory=structlog.PrintLoggerFactory(),
|
||
|
|
cache_logger_on_first_use=True,
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def get_logger(name: str | None = None) -> structlog.stdlib.BoundLogger:
|
||
|
|
"""Return a structlog logger bound to `name`."""
|
||
|
|
return structlog.get_logger(name) # type: ignore[return-value]
|