logmuse
Logging setup
Decision gist · record as of 2026-08-14
Yes. Logmuse is a lightweight, actively maintained utility with no dependencies, permissive licensing, and a clear single purpose: reducing boilerplate for CLI logging. Install it if you're building a command-line tool with argparse and want standard logging options without writing setup code. Skip it only if you prefer to manage logging configuration yourself or don't need CLI-driven verbosity control.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction: pure Python wheel with no runtime dependencies.
- Active maintenance—released 7 days ago with commits through 2026-08-07.
- Supports Python 3.10 through 3.14.
License · maintenance · safety
BSD-2-Clause (permissive) — BSD-2-Clause (permissive): you can use, modify, and distribute logmuse freely in commercial and open-source projects with minimal restrictions.
last release 2026-08-07 (7 days) · last repo commit 2026-08-07 · 3 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 122,441 downloads/mo, #11,950 on PyPI
Alternatives
Verify before relying
pip install logmuse
import argparse
import logmuse
parser = argparse.ArgumentParser()
parser = logmuse.add_logging_options(parser)
args = parser.parse_args()
logger = logmuse.logger_via_cli(args)
logger.info("Hello, world!")- Whether logmuse's root logger configuration works correctly when the package is imported as a library by other code
- Performance impact of logmuse's handler setup on applications with many loggers
What it is and what it does
Logmuse is a small utility that bridges argparse and Python's standard logging module, letting you add three standard CLI options (`--verbosity`, `--silent`, `--logdev`) to your command-line tool in one line. Instead of writing your own logging setup code, you call `add_logging_options()` to inject these arguments into your parser, then `logger_via_cli()` to configure the root logger based on what the user passed. All loggers in your package and its dependencies automatically respect these settings.
The package is designed for CLI tools that want familiar logging controls without boilerplate. It works with standard Python logging, so imported packages don't need logmuse at all—they just use `logging.getLogger(__name__)` and inherit the configuration from your CLI entry point. The main gotcha is to avoid calling `init_logger()` at import time, which would break library usage by replacing handlers before the root logger can be configured.
Use it for
- Add standard logging controls to a CLI tool without writing custom argparse setup or logging configuration code.
- Let users control verbosity levels (1–5 mapping to CRITICAL through DEBUG) and developer mode from the command line.
- Silence all logging output with `--silent` for scripting or batch workflows.
- Enable detailed developer logging with timestamps and line numbers via `--logdev` for debugging.
- Configure logging in an interactive Python session with `init_logger()` for quick testing.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
Logmuse is a lightweight, actively maintained utility with no dependencies, permissive licensing, and a clear single purpose: reducing boilerplate for CLI logging. Install it if you're building a command-line tool with argparse and want standard logging options without writing setup code. Skip it only if you prefer to manage logging configuration yourself or don't need CLI-driven verbosity control.
Install
logmuse on PyPI
Before you install
Low friction: pure Python wheel with no runtime dependencies. Active maintenance—released 7 days ago with commits through 2026-08-07. Supports Python 3.10 through 3.14.
License in practice
BSD-2-Clause (permissive): you can use, modify, and distribute logmuse freely in commercial and open-source projects with minimal restrictions.
Quickstart
pip install logmuse
import argparse
import logmuse
parser = argparse.ArgumentParser()
parser = logmuse.add_logging_options(parser)
args = parser.parse_args()
logger = logmuse.logger_via_cli(args)
logger.info("Hello, world!")Verify before relying
- Whether logmuse's root logger configuration works correctly when the package is imported as a library by other code
- Performance impact of logmuse's handler setup on applications with many loggers
Package facts
| License | BSD-2-Clause permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 7 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 122,441 / month, #11,950 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaLicense :: OSI Approved :: BSD LicenseProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Topic :: Scientific/Engineering :: Bio-Informatics |
Evidence: logmuse-0.3.1-py3-none-any.whl
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See also jaraco.logging · Twiggy · logistro · vmodule · verboselogs · glog · logging-tree · tiered-debug · snakemake-interface-logger-plugins · codemagic-cli-tools