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pip-timemachine

A simple Python server that forwards requests to PyPI's Simple API, filters results based on a specific point in time, and returns the response.

Primary purpose is for testing pip, but may be useful for reliably installing the same packages from a given date.

Features

  • Filters package files by a specified datetime
  • Powered by PEP 691 and PEP 700 to quickly filter packages after the given time
  • Can point to any simple index that supports PEP 691 and PEP 700, not just PyPI

Installation

I reccomend install pip-timemachine as a tool, e.g.

Using uv:

uv tool install pip-timemachine

Or using pipx:

pipx install pip-timemachine

Usage

Run

Once installed, run the server:

pip-timemachine 2023-10-18T12:00:00

And then point pip (or any other installer) to use this server as an index:

pip install requests --index http://127.0.0.1:8040/simple

CLI Options

 Usage: pip-timemachine [OPTIONS] MOMENT:[%Y-%m-%d|%Y-%m-%dT%H:%M:%S|%Y-%m-%d %H:%M:%S]
 
 Arguments:
   moment      MOMENT:[%Y-%m-%d|%Y-%m-%dT%H:%M:%S|%Y-%m-%d %H:%M:%S]  [default: None] [required]
 
 Options : 
   --index        TEXT     [default: https://pypi.org/simple]
   --port         INTEGER  [default: 8040]
   --help                  Help

To Dos

  • Support clients (e.g. pip) that do not support PEP 691 or PEP 700