61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
"""Structured logging via structlog with stdlib bridge.
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All modules use ``get_logger(__name__)`` and emit key/value pairs.
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"""
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from __future__ import annotations
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import logging
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import sys
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from typing import Any
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import structlog
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from app.config import settings
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def configure_logging() -> None:
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level = getattr(logging, settings.app_log_level.upper(), logging.INFO)
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timestamper = structlog.processors.TimeStamper(fmt="iso", utc=True)
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shared_processors: list[Any] = [
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structlog.contextvars.merge_contextvars,
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structlog.stdlib.add_log_level,
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structlog.stdlib.add_logger_name,
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timestamper,
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structlog.processors.StackInfoRenderer(),
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structlog.processors.format_exc_info,
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]
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structlog.configure(
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processors=[*shared_processors, structlog.stdlib.ProcessorFormatter.wrap_for_formatter],
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logger_factory=structlog.stdlib.LoggerFactory(),
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wrapper_class=structlog.stdlib.BoundLogger,
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cache_logger_on_first_use=True,
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)
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formatter = structlog.stdlib.ProcessorFormatter(
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foreign_pre_chain=shared_processors,
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processors=[
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structlog.stdlib.ProcessorFormatter.remove_processors_meta,
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structlog.processors.JSONRenderer(),
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],
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)
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handler = logging.StreamHandler(sys.stdout)
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handler.setFormatter(formatter)
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root = logging.getLogger()
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root.handlers.clear()
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root.addHandler(handler)
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root.setLevel(level)
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# Quiet down noisy libs
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for noisy in ("urllib3", "botocore", "s3transfer", "elasticsearch", "opensearch", "httpx"):
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logging.getLogger(noisy).setLevel(logging.WARNING)
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def get_logger(name: str | None = None) -> structlog.stdlib.BoundLogger:
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return structlog.get_logger(name)
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