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python-discovery (1.3.1)

Published 2026-05-18 23:52:32 +03:00 by mpavlov

Installation

pip install --index-url  python-discovery

About this package

Python interpreter discovery

python-discovery

PyPI Supported Python versions Downloads check Documentation Status

What is python-discovery?

python-discovery is a library for discovering Python interpreters installed on your machine. You may have multiple Python versions from system packages, pyenv, mise, asdf, uv, or the Windows registry (PEP 514). This library finds the right one for you.

Give it a requirement like python3.12 or >=3.11,<3.13, and it searches all known locations, verifies each candidate, and returns detailed metadata about the match. Results are cached to disk so repeated lookups are fast.

Usage

from pathlib import Path

from python_discovery import DiskCache, get_interpreter

cache = DiskCache(root=Path("~/.cache/python-discovery").expanduser())
result = get_interpreter("python3.12", cache=cache)
if result is not None:
    print(result.executable)  # /usr/bin/python3.12
    print(result.implementation)  # CPython
    print(result.version_info[:3])  # (3, 12, 1)

The get_interpreter() function accepts various specification formats:

  • Absolute path: /usr/bin/python3.12
  • Version: 3.12
  • Implementation prefix: cpython3.12
  • Version specifier: >=3.10, >=3.11,<3.13

Documentation

Full documentation is available at python-discovery.readthedocs.io

Requirements

Requires Python: >=3.8
Details
PyPI
2026-05-18 23:52:32 +03:00
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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, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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1.3.1 2026-05-18