unearth
A utility to fetch and download python packages
Why this project?
This project exists as the last piece to complete the puzzle of a package manager. The other pieces are:
- resolvelib - Resolves concrete dependencies from a set of (abstract) requirements.
- unearth (This project) - Finds and downloads the best match(es) for a given requirement.
- build - Builds wheels from the source code.
- installer - Installs packages from wheels.
They provide all the low-level functionalities that are needed to resolve and install packages.
Why not pip?
The core functionality is basically extracted from pip. However, pip is not designed to be used as a library and hence the API is not very stable.
Unearth serves as a stable replacement for pip's PackageFinder API. It will follow the conventions of Semantic Versioning so that downstream projects can use it to develop their own package finding and downloading.
Requirements
unearth requires Python >=3.8
Installation
$ python -m pip install --upgrade unearth
Quickstart
Get the best matching candidate for a requirement:
>>> from unearth import PackageFinder
>>> finder = PackageFinder(index_urls=["https://pypi.org/simple/"])
>>> result = finder.find_best_match("flask>=2")
>>> result.best
Package(name='flask', version='2.1.2')
Using the CLI:
$ unearth "flask>=2"
{
"name": "flask",
"version": "3.0.0",
"link": {
"url": "https://files.pythonhosted.org/packages/36/42/015c23096649b908c809c69388a805a571a3bea44362fe87e33fc3afa01f/flask-3.0.0-py3-none-any.whl",
"comes_from": "https://pypi.org/simple/flask/",
"yank_reason": null,
"requires_python": ">=3.8",
"metadata": "https://files.pythonhosted.org/packages/36/42/015c23096649b908c809c69388a805a571a3bea44362fe87e33fc3afa01f/flask-3.0.0-py3-none-any.whl.metadata"
}
}
Documentation
1 maintainer
Metadata
1 maintainer
Release files for unearth 0.18.3
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| unearth-0.18.3.tar.gz | 286.2 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| unearth-0.18.3-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 334.8 kB
Release files / unearth-0.18.3.tar.gz
| Download URL | unearth-0.18.3.tar.gz |
|---|---|
| Size | 286.2 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
14067cf1141c906f787d6d9d070cbcfdd443fd1058aecaa650ce9519aa10dbdc
|
|
BLAKE2b-256 checksum How to use checksums |
09516e5d36fe4d468c8247afb7a9719cad001da78e65da4ed5015aec9150e095
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Aug 14, 2026.
Transparency logRelease files / unearth-0.18.3-py3-none-any.whl
| Download URL | unearth-0.18.3-py3-none-any.whl |
|---|---|
| Size | 48.6 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
306773b7a792af7d44b3b2a3bea21ba63a0b947546ad8ee793194fd09a6ae020
|
|
BLAKE2b-256 checksum How to use checksums |
1d1996eaf5da75a983b03cb5e2b8f345206c7fd26ee1ebb63fd25e7685c3e678
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Aug 14, 2026.
Transparency log
