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Adding PyPI packages to a local Python repository

As an alternative to a Curated PyPI repository, which requires online access to packages, a Local Python source can serve packages while disconnected from the public internet. This allows for use in air-gapped environments until a Python Offline Downloader for air-gapped PyPI packages is available in Package Manager. This script demonstrates how to download package distributions from PyPI and upload them to Posit Package Manager locally.

Prerequisites

  • A working version of Python
  • Twine installed in Python 
    pip install twine
  • Access to a Posit Package Manager server with a local Python source created 
    rspm create source --type=local-python --name=python
rspm create repo --type=python --name=python
rspm subscribe --repo=python --source=python
  • An API Token for your Posit Package Manager server with permissions to upload to the local Python source 
    rspm create token --sources=python --description="Upload packages to Python source"

Configuration

Download the script add-pypi-package.sh locally and set the following environment variables to refer to your Posit Package Manager instance:

Environment Variable Description Default
PACKAGEMANAGER_SOURCE A Package Manager local-python source to add packages python
PACKAGEMANAGER_ADDRESS URL to Package Manager http://localhost:4242
PACKAGEMANAGER_TOKEN API token generated by rspm create token with access to the local Python source
TEMPDIR Temporary base directory to download packages $TMPDIR, if set or /tmp
KEEP_PACKAGES If "false", delete the temporary packages once uploaded to Package Manager false

Usage

./add-pypi-package.sh package [version]

Specify a version number to download a specific version of the package. If version is omitted, will download the latest version available from PyPI.