dummy-versioning-demo 0.4.0

Dummy package for testing Python versioning and PyPI publishing

test-python-repo

User guide for the demo package repository at https://github.com/neerajmythink/test-python-repo.

This repository is used to test:

• Python package versioning from Git tags
• wheel and source distribution builds
• publishing to PyPI from GitHub Actions
• pulling the package from PyPI or Cloudsmith

Overview

The repository name is test-python-repo, while the published Python package name is dummy-versioning-demo.

The import name is dummy_versioning_demo.

Current package features:

• hello() returns a simple demo string
• __version__ is generated automatically from Git metadata
• tests verify both the import and installed package version metadata

Repository layout

• pyproject.toml - package metadata and build configuration
• src/dummy_versioning_demo/ - package source code
• tests/ - package tests
• .github/workflows/ci.yml - test matrix and build validation
• .github/workflows/publish.yml - publish to PyPI on GitHub release
• package_build.sh - create annotated release tag and build package artifacts
• package_push.sh - local upload helper using twine
• package_pull.sh - install helper for PyPI or Cloudsmith

Requirements

• Python 3.9 or newer
• pip
• Git tags available locally when building release versions

For local build and release testing, install:

• build
• pytest
• twine

Install for development

Create and activate a virtual environment, then install the package in editable mode.

Recommended flow:

• pip install --upgrade pip
• pip install -e .
• pip install pytest build twine

Run the package locally

After installation, test the package in Python:

• import dummy_versioning_demo
• dummy_versioning_demo.hello()
• dummy_versioning_demo.__version__

Run tests

Run the test suite with:

• pytest -q

The test suite verifies:

• the package imports correctly
• hello() returns the expected demo output
• installed package metadata matches dummy_versioning_demo.__version__

Build distributions

Build both a wheel and source distribution with:

• python -m build

Or use the helper script to create an annotated release tag and build in one step:

• ./package_build.sh 0.1.0
• ./package_build.sh 0.1.0 --push

Artifacts are created in dist/:

• *.whl
• *.tar.gz

Versioning

This repository uses setuptools-scm, so version numbers are generated automatically from Git tags.

You should not manually edit src/dummy_versioning_demo/_version.py.

Examples:

• Git tag v0.1.0 -> package version 0.1.0
• commits after that tag -> development versions such as 0.1.devN

If your build currently shows 0.1.dev3, it means the build was created from a commit that is not exactly on the v0.1.0 tag.

To build version 0.1.0 exactly:

1. Commit your release-ready changes.
2. Create an annotated tag such as v0.1.0 on that commit.
3. Push the tag to GitHub.
4. Rebuild the package.

You can automate steps 2 through 4 with:

• ./package_build.sh 0.1.0 --push

Useful checks:

• git tag
• git describe --tags --exact-match
• git ls-remote --tags origin

GitHub Actions

CI workflow

.github/workflows/ci.yml runs on pushes to main and on pull requests.

It performs the following steps:

• tests on Python 3.9, 3.10, 3.11, and 3.12
• installs the package in editable mode
• runs pytest
• builds distribution artifacts

Publish workflow

.github/workflows/publish.yml publishes to PyPI when a GitHub release is published.

It:

• checks out the repo with full tag history
• builds the package
• publishes using pypa/gh-action-pypi-publish

Publish to PyPI

Recommended: GitHub trusted publishing

This is the cleanest setup for this repo.

To enable it:

1. In PyPI, configure a Trusted Publisher for neerajmythink/test-python-repo.
2. In GitHub, keep or create the pypi environment.
3. Create a GitHub release from a version tag such as v0.1.0.

When the release is published, GitHub Actions builds and uploads the package to PyPI.

Local publish with twine

The repo also includes package_push.sh for local uploads.

Before using it, export your PyPI token in the shell:

• export TWINE_USERNAME=__token__
• export TWINE_PASSWORD=<your-pypi-token>

Then run the helper script or upload directly with twine.

Install from package indexes

The helper script package_pull.sh supports installing:

• from PyPI
• from Cloudsmith

It also supports these install modes:

• fixed version, currently ==0.1.0
• latest version
• version range >=0.1.0,<0.2.0

For PyPI, equivalent examples are:

• pip install 'dummy-versioning-demo==0.1.0'
• pip install 'dummy-versioning-demo'
• pip install 'dummy-versioning-demo>=0.1.0,<0.2.0'

Notes

• Keep fetch-depth: 0 in CI and publish workflows so tag-based versioning works correctly.
• If there is no exact release tag on the current commit, setuptools-scm will generate a development version.
• The package name (dummy-versioning-demo) is different from the repository name (test-python-repo), which is normal but worth remembering during install and publish steps.