pyproject-dependencies
Decision gist · record as of 2026-08-14
Yes, if you need to inspect or extract Python project dependencies programmatically or from the command line. The low install friction, permissive license, active maintenance, and zero known vulnerabilities make it a safe choice. Not necessary if you only work with projects that already expose their dependencies clearly through standard files.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.7 or later.
- The --no-isolation flag requires the build backend to be available in the current environment.
- Low friction install with four straightforward runtime dependencies.
License · maintenance · safety
permissive license (permissive) — MIT license (permissive) means you can use, modify, and distribute this package freely with minimal restrictions.
last release 2023-09-23 (1056 days) · last repo commit 2026-08-10 · 7 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 78,728 downloads/mo, #14,413 on PyPI
Alternatives
Verify before relying
pip install pyproject-dependencies
pyproject-dependencies /path/to/project
# Or with filtering:
pyproject-dependencies --name-filter '^requests' /path/to/project- Whether the package handles all modern dependency specifiers and conditional dependencies correctly.
- Performance characteristics when analyzing projects with large dependency trees.
- How well it handles environment markers and extras in dependency declarations.
What it is and what it does
pyproject-dependencies is a command-line tool that reads Python project metadata and outputs their direct dependencies. It works by parsing pyproject.toml or setup.py files, or by invoking the project's build backend to extract declared requirements. The tool is useful for understanding what a project directly depends on without installing it or running a full dependency resolver.
The package depends on build, packaging, tomli, and typing-extensions to handle build backends, version parsing, TOML reading, and type hints. It supports filtering dependencies by name regex and can optionally exclude projects from their own dependency lists when analyzing multiple interdependent projects.
Use it for
- Audit direct dependencies of a project before deciding whether to use or contribute to it.
- Generate dependency reports for compliance or security scanning workflows.
- Extract requirements from projects that don't have a requirements.txt file.
- Analyze build-time dependencies separately from runtime dependencies.
- Filter and list only specific dependency categories using regex patterns.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need to inspect or extract Python project dependencies programmatically or from the command line.
The low install friction, permissive license, active maintenance, and zero known vulnerabilities make it a safe choice. Not necessary if you only work with projects that already expose their dependencies clearly through standard files.
Install
pyproject-dependencies on PyPI
Before you install
Low friction install with four straightforward runtime dependencies. Active maintenance with a recent commit on 2026-08-10, though the package itself last released on 2023-09-23.
Requires Python 3.7 or later. The --no-isolation flag requires the build backend to be available in the current environment.
License in practice
MIT license (permissive) means you can use, modify, and distribute this package freely with minimal restrictions.
Quickstart
pip install pyproject-dependencies
pyproject-dependencies /path/to/project
# Or with filtering:
pyproject-dependencies --name-filter '^requests' /path/to/projectVerify before relying
- Whether the package handles all modern dependency specifiers and conditional dependencies correctly.
- Performance characteristics when analyzing projects with large dependency trees.
- How well it handles environment markers and extras in dependency declarations.
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.7 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 4 packagesbuildpackagingtomlityping-extensions |
| Maintenance | Actively maintained 1,056 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 78,728 / month, #14,413 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 :: MIT License |
Evidence: pyproject_dependencies-1.3.2-py3-none-any.whl
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See also pyproject-parser · pyproject-hooks · single-source · pyproject-api · pyproject-toml · pyproject2conda · sphinx-pyproject · pip-check-reqs · validate-pyproject-schema-store · pipreqs