π Deploy to PyPI workflow (graphql-python/graphene-sqlalchemy)
The π Deploy to PyPI workflow from graphql-python/graphene-sqlalchemy, explained and optimized by Latchkey.
CI health: F - at risk
Point runs-on at Latchkey and get caching, run de-duplication, job timeouts, SHA-pinned actions, self-healing for flaky steps, and up to 58% lower cost, applied automatically.
What it does
This is the π Deploy to PyPI workflow from the graphql-python/graphene-sqlalchemy repository, a real project running GitHub Actions. It is shown here with attribution under its MIT license.
Below, Latchkey shows a faster, safer version produced by its optimization engine.
The workflow
name: π Deploy to PyPI
on:
push:
tags:
- '*'
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Set up Python 3.10
uses: actions/setup-python@v4
with:
python-version: '3.10'
- name: Build wheel and source tarball
run: |
pip install wheel
python setup.py sdist bdist_wheel
- name: Publish a Python distribution to PyPI
uses: pypa/gh-action-pypi-publish@v1.1.0
with:
user: __token__
password: ${{ secrets.PYPI_API_TOKEN }}
The same workflow, on Latchkey
Estimated ~20% faster on cache hits, plus fewer wasted runs and a safer supply chain. Added and changed lines are highlighted.
name: π Deploy to PyPI on: push: tags: - '*' concurrency: group: ${{ github.workflow }}-${{ github.ref }} cancel-in-progress: true jobs: build: timeout-minutes: 30 runs-on: latchkey-small steps: - uses: actions/checkout@v4 - name: Set up Python 3.10 uses: actions/setup-python@v4 with: cache: 'pip' python-version: '3.10' - name: Build wheel and source tarball run: | pip install wheel python setup.py sdist bdist_wheel - name: Publish a Python distribution to PyPI uses: pypa/gh-action-pypi-publish@v1.1.0 with: user: __token__ password: ${{ secrets.PYPI_API_TOKEN }}
What changed
- Run on Latchkey managed runners with one line (
runs-on), which apply the fixes below automatically and self-heal transient failures. This example useslatchkey-small; pick the runner size that fits the job. - Cancel superseded runs when a branch or PR gets a newer push.
- Cache dependency installs on the setup step so they are served from cache.
- Add a job timeout so a hung step cannot burn hours of runner time.
1 third-party action is referenced by a movable tag. Pin it to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.
What Latchkey heals here
This workflow has steps that commonly fail on transient issues (network, registries, flaky browsers). On Latchkey managed runners they are detected, retried, and self-healed instead of failing your build:
- Dependency installs
This workflow runs 1 job per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.