pyproject-parser
Parser for 'pyproject.toml'
Decision gist · record as of 2026-08-14
Yes. The package is actively maintained, has low install friction, carries a permissive MIT license, and solves a concrete problem—parsing pyproject.toml—that many build and packaging tools need. No known vulnerabilities. Install it if your tool or script needs to read project metadata from pyproject.toml files.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction installation with a pure-Python wheel and active maintenance as of 2026-07-08.
- Nine runtime dependencies are all well-established packaging and utility libraries, posing minimal compatibility risk.
License · maintenance · safety
permissive license (permissive) — MIT license permits commercial and private use with minimal restrictions; you may use, modify, and distribute the package freely provided you retain the copyright notice and license text.
last release 2025-12-11 (246 days) · last repo commit 2026-07-08 · 21 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 788,723 downloads/mo, #5,056 on PyPI
Alternatives
Verify before relying
from pyproject_parser import PyProject
project = PyProject.load('pyproject.toml')
print(project.metadata)- Whether the package handles malformed or non-compliant pyproject.toml files gracefully or raises exceptions.
- Performance characteristics when parsing large or deeply nested pyproject.toml files.
- Extent of support for PEP 621 optional fields and vendor-specific extensions beyond the core specification.
What it is and what it does
pyproject-parser reads and parses pyproject.toml files—the standard Python project configuration format defined by PEP 518 and PEP 621—and exposes their metadata as structured Python objects. It handles both build system configuration (PEP 518) and project metadata (PEP 621), making it useful for tools that need to inspect or manipulate project definitions programmatically.
The package depends on dom-toml for TOML parsing, packaging for version handling, and several utility libraries from the domdf ecosystem. It's typed and actively maintained, supporting Python 3.7 through 3.13 on CPython and PyPy. An optional readme extra adds validation to check whether a project's README will render correctly on PyPI.
Use it for
- Build tools and CI/CD systems that need to read project metadata without loading the entire project.
- Package management utilities that inspect or validate pyproject.toml structure and compliance.
- Development tools that extract dependencies, version strings, or author information from project configuration.
- Linters or analyzers that check pyproject.toml for correctness or best practices.
- Project scaffolding or migration tools that parse and transform project metadata.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
The package is actively maintained, has low install friction, carries a permissive MIT license, and solves a concrete problem—parsing pyproject.toml—that many build and packaging tools need. No known vulnerabilities. Install it if your tool or script needs to read project metadata from pyproject.toml files.
Install
pyproject-parser on PyPI
Before you install
Low friction installation with a pure-Python wheel and active maintenance as of 2026-07-08. Nine runtime dependencies are all well-established packaging and utility libraries, posing minimal compatibility risk.
License in practice
MIT license permits commercial and private use with minimal restrictions; you may use, modify, and distribute the package freely provided you retain the copyright notice and license text.
Quickstart
from pyproject_parser import PyProject
project = PyProject.load('pyproject.toml')
print(project.metadata)Verify before relying
- Whether the package handles malformed or non-compliant pyproject.toml files gracefully or raises exceptions.
- Performance characteristics when parsing large or deeply nested pyproject.toml files.
- Extent of support for PEP 621 optional fields and vendor-specific extensions beyond the core specification.
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.7 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 9 packagesapeye-coreattrsdom-tomldomdf-python-toolslicense-expressionnatsortpackagingshippinglabeltyping-extensions |
| Maintenance | Actively maintained 246 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 788,723 / month, #5,056 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Software Development :: Libraries :: Python ModulesTopic :: System :: Archiving :: PackagingTyping :: Typed |
Evidence: pyproject_parser-0.14.0-py3-none-any.whl
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See also dist-meta · pyproject-api · pyproject-dependencies · pyproject-toml · sphinx-pyproject · whey · pyproject-metadata · pypi-json · validate-pyproject · single-source