devpi-common

Utilities jointly used by devpi-server, devpi-client and others.

devpi-common v4.1.1 227.1K downloads/30d#9,188 on PyPI★ 1,214

Permissive license Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction,… (full text in the JSON record) Active released 2026-02-09

What it is and what it does

devpi-common is a utility library that centralizes shared functionality used by devpi-server, devpi-client, and related tools. It provides version comparison and normalization (including legacy version support via packaging-legacy), secure tar extraction with guards against malicious archives, and type information exports. The package depends on lazy, packaging-legacy, and requests, making it a lightweight bridge for devpi ecosystem components that need consistent version handling and file operations.

The library is production-stable and actively maintained, with recent releases addressing type hints, memory efficiency through __slots__, and security improvements in archive extraction. It supports Python 3.7 through 3.14 and PyPy, making it compatible with a wide range of Python environments.

Use it for:

Building devpi-server or devpi-client extensions that need consistent version parsing and comparison.
Integrating legacy Python package version handling into custom package management tools.
Safely extracting and validating tar archives in package distribution workflows.
Standardizing version normalization across multiple devpi ecosystem components.

Worth the install?

AI-flagged interpretation of the facts on this page — verify before relying

Provides shared utility functions for devpi-server and devpi-client, including version handling, tar extraction safety, and legacy package version support.

Yes. This is a stable, actively maintained utility library with low install friction, permissive licensing, and no known vulnerabilities. Install it if you are building on the devpi ecosystem or need its specific version-handling and tar-extraction utilities; otherwise, it is primarily useful as a transitive dependency of devpi-server or devpi-client.

Install

devpi-common on PyPI

pip

pip install devpi-common

uv

uv add devpi-common

poetry

poetry add devpi-common

Installing devpi-common

Before you install

Low install friction with a pure-Python wheel distribution. Actively maintained as of 2026-02-09 with recent bug fixes and memory optimizations; repository shows 1214 stars and was last committed to 2026-08-10.

License in practice

MIT license (permissive) permits unrestricted use, modification, and distribution with minimal restrictions—suitable for both open-source and proprietary projects.

Quickstart

pip install devpi-common

from devpi_common.version import Version
v = Version('1.0.0')
print(v)

Verify before relying

Whether the version handling and tar extraction utilities are suitable for production use outside the devpi ecosystem.
Performance characteristics of the __slots__ optimization introduced in 4.1.0 for memory-constrained environments.

Package facts

License	Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction,… (full text in the JSON record) (permissive)
Python support	supports the current Python release (>=3.7)
Install friction	low — pure-Python wheel
Runtime dependencies	3 — lazy, packaging-legacy, requests
Maintenance	actively maintained — 186 days since the last release
Last repo commit	2026-08-10
First released	2013-10-30
Downloads	227,081/month — #9,188 on PyPI (30-day window, as of 2026-08-14)
Known vulnerabilities	none known (OSV.dev, checked 2026-08-14)

Evidence: devpi_common-4.1.1-py3-none-any.whl

Development Status :: 5 - Production/StableEnvironment :: Web EnvironmentIntended Audience :: DevelopersIntended Audience :: System AdministratorsLicense :: OSI Approved :: MIT LicenseProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: PyPy