codechu-log
Stdlib-only structured logging for Python 3.10+. One call configures a
rotating file handler, a TTY-aware console handler, optional JSON output,
and a redaction list. Context is propagated through contextvars so it
works across await boundaries.
from codechu_log import setup, bind, Context
log = bind(setup("myapp", file="app.log", json=True), service="api")
with Context(request_id="r-42"):
log.info("started", user="onur")
Output (one JSON object per line):
{"ts": "2026-05-20T12:34:56.789012+00:00", "level": "INFO",
"logger": "myapp", "msg": "started",
"fields": {"service": "api", "request_id": "r-42", "user": "onur"},
"exc_info": null, "pid": 4321, "thread": "MainThread"}
Features
setup(name, *, level, file, json, max_bytes, backup_count, fmt, redact)— one-call configuration withRotatingFileHandlerand a TTY-aware console handler.Context(**fields)— context manager backed bycontextvars; nested scopes merge, child wins on key conflict, propagation survivesawait.bind(logger, **fields)— always-on fields per logger.structured(logger)—log.info("msg", key=value)lifts kwargs into the structured payload.redact=[...]— replace listed field keys with<redacted>in both text and JSON output.
Install
pip install codechu-log
Documentation
- API reference — every public symbol and the JSON schema.
- Recipes — common configurations.
- CHANGELOG
License
MIT — see LICENSE.
1 maintainer
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