Pylibyear

0.4.1 verified Fri May 01 auth: no python

A simple CLI tool to measure software dependency freshness by calculating the time since each dependency's latest release. Version 0.4.1, requires Python >=3.11, maintained on GitHub.

pip install pylibyear

Common errors

error pylibyear: error: argument path: invalid value ↓

cause File does not exist or is not a valid requirements file.

fix

Provide the correct path to an existing requirements.txt or pyproject.toml.

error requests.exceptions.ConnectionError: HTTPSConnectionPool ↓

cause No internet connection or PyPI is unreachable.

fix

Check internet connectivity and retry.

error ModuleNotFoundError: No module named 'pylibyear' ↓

cause Package not installed in the current Python environment.

fix

Run 'pip install pylibyear' in the desired environment.

Warnings

gotcha pylibyear expects a requirements.txt or pyproject.toml file; it does not analyze Pipfile or poetry.lock. ↓

fix Generate a requirements.txt via pip freeze or use pyproject.toml.

gotcha The CLI requires an active internet connection to query PyPI for each dependency. ↓

fix Ensure network access; no offline cache is available.

deprecated The --output-file option may write to a non-existent path without warning (fixed in 0.4.1). Upgrade to avoid silent failures. ↓

fix Upgrade to 0.4.1: pip install --upgrade pylibyear

Install

uv tool install pylibyear

Imports

pylibyear
```
import pylibyear
```
pylibyear is primarily used via CLI; programmatic import is possible but not officially documented.

Quickstart

Basic usage via Python import (CLI is recommended).

import pylibyear
# Note: pylibyear is primarily a CLI tool. Use shell command:
# pylibyear path/to/requirements.txt