⚡
Rust-Native Engine
Powered by a Rust engine built with PyO3 for maximum performance and memory safety.
A Rust-powered, high-performance logging library for Python.

from logly import logger
# Add sinks with per-sink configuration
logger.add("app.log", level="DEBUG", rotation="daily", retention="30 days", compression="gzip")
logger.add("errors.log", level="ERROR", rotation="daily", retention="90 days")
logger.add("stdout", level="INFO", colorize=True)
# Log at all levels
logger.trace("Detailed trace")
logger.debug("Debug info")
logger.info("Application started")
logger.notice("Notice message")
logger.success("Operation completed!")
logger.warning("Warning message")
logger.error("Error occurred")
logger.fail("Operation failed")
logger.critical("Critical system error!")
logger.fatal("Fatal system failure!")
# Bind context
app_logger = logger.bind(user_id="12345", request_id="abc-789")
app_logger.info("User logged in")
# Exception handling
with logger.catch():
risky_operation()
logger.complete()pip install loglyuv add loglygit clone https://github.com/muhammad-fiaz/logly.git
cd logly
uv sync
uv run maturin develop| Feature | Logly | stdlib logging |
|---|---|---|
| Rust-native engine | ✅ | ❌ |
| 10 built-in log levels | ✅ | ❌ |
| Custom levels | ✅ | Manual |
| Multiple sinks | ✅ | ✅ |
| File rotation | ✅ | Handler dependent |
| Retention policies | ✅ | Handler dependent |
| Compression | ✅ | Handler dependent |
| JSON serialization | ✅ | Formatter dependent |
| Context binding | ✅ | Adapter based |
| Record patching | ✅ | ❌ |
| Exception catching | ✅ | ❌ |
| Background workers | ✅ | QueueHandler |
| FastAPI integration | ✅ | ❌ |
| Django integration | ✅ | ❌ |
| Rich console | ✅ | ❌ |
| Custom colors (ANSI) | ✅ | Manual |
| Type-safe config | ✅ | ❌ |
| Zero unsafe Rust | ✅ | N/A |
Active Development
Logly is currently under active development and stabilizing. Due to this, performance benchmarks are not yet available. If you encounter any issues, please feel free to report them.