parver
Parse and manipulate version numbers.
Decision gist · record as of 2026-08-14
Yes. parver is a stable, actively maintained library with zero dependencies, a permissive MIT license, and no known vulnerabilities. Install it if you need to parse or manipulate PEP 440 versions; the low friction and focused scope make it a straightforward choice for version-handling tasks.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Low install friction with no runtime dependencies.
- The package is actively maintained with a recent release and supports current Python versions.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects.
last release 2026-07-30 (15 days) · last repo commit 2026-08-07 · 48 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 7,815,628 downloads/mo, #1,691 on PyPI
Alternatives
Verify before relying
pip install parver
from parver import Version
v = Version.parse('1.3')
v.bump_dev()
v2 = Version.parse('v1.2.alpha-3')
print(v2.is_alpha)
print(v2.normalize())What it is and what it does
parver is a lightweight library for working with PEP 440 version numbers in Python. It provides a Version class that can parse version strings in various formats (including non-normalized forms like 'v1.2.alpha-3'), expose version components as attributes, and perform common operations like bumping development versions or normalizing to canonical form.
The package has no external dependencies and targets modern Python versions, making it straightforward to integrate into build tools, version management scripts, or any system that needs to reason about version numbers programmatically. It handles the complexity of PEP 440's grammar so you don't have to.
Use it for
- Bump development or release versions in build automation and CI/CD pipelines.
- Parse and validate version strings from package metadata or Git tags.
- Check whether a version is a pre-release, alpha, beta, or release candidate.
- Normalize non-standard version strings to PEP 440 canonical form for comparison.
- Extract version components for conditional logic in version-aware tools.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
parver is a stable, actively maintained library with zero dependencies, a permissive MIT license, and no known vulnerabilities. Install it if you need to parse or manipulate PEP 440 versions; the low friction and focused scope make it a straightforward choice for version-handling tasks.
Install
parver on PyPI
Before you install
Low install friction with no runtime dependencies. The package is actively maintained with a recent release and supports current Python versions.
Requires Python 3.10 or later.
License in practice
MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects.
Quickstart
pip install parver
from parver import Version
v = Version.parse('1.3')
v.bump_dev()
v2 = Version.parse('v1.2.alpha-3')
print(v2.is_alpha)
print(v2.normalize())Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 15 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 7,815,628 / month, #1,691 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.15Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPy |
Evidence: parver-1.0.1.post0-py3-none-any.whl
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See also awesomeversion · verlib2 · semver · vcver · dep-logic · dunamai · setuptools-git-versioning · semver4 · bump · packvers