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Publish flash-attn-4 to PyPI #6

Publish flash-attn-4 to PyPI

Publish flash-attn-4 to PyPI #6

Workflow file for this run

name: Publish flash-attn-4 to PyPI
on:
push:
tags:
- 'fa4-v*'
schedule:
- cron: '0 8 * * 3' # Wednesday 08:00 UTC
workflow_dispatch:
permissions:
contents: write
jobs:
prepare-release:
runs-on: ubuntu-latest
outputs:
release_tag: ${{ steps.resolve-tag.outputs.release_tag }}
steps:
- name: Require default branch for manual runs
if: github.event_name == 'workflow_dispatch'
run: |
if [ "${{ github.ref_name }}" != "${{ github.event.repository.default_branch }}" ]; then
echo "::error::Run this workflow from ${{ github.event.repository.default_branch }} only"
exit 1
fi
- uses: actions/checkout@v4
if: github.event_name != 'push'
with:
ref: ${{ github.event.repository.default_branch }}
fetch-depth: 0
- uses: actions/setup-python@v5
if: github.event_name != 'push'
with:
python-version: '3.12'
- name: Bump beta tag
if: github.event_name != 'push'
id: bump
run: python .github/scripts/bump_beta_tag.py --push
- name: Resolve release tag
id: resolve-tag
run: |
if [ "${{ github.event_name }}" = "push" ]; then
echo "release_tag=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"
else
echo "release_tag=${{ steps.bump.outputs.next_tag }}" >> "$GITHUB_OUTPUT"
fi
build:
needs: prepare-release
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
with:
ref: ${{ needs.prepare-release.outputs.release_tag }}
fetch-depth: 0
- uses: actions/setup-python@v5
with:
python-version: '3.12'
- name: Install build dependencies
run: pip install build twine
- name: Extract version from tag
id: strip-prefix
run: |
TAG="${{ needs.prepare-release.outputs.release_tag }}"
echo "version=${TAG#fa4-v}" >> "$GITHUB_OUTPUT"
- name: Build package
run: python -m build
working-directory: flash_attn/cute
env:
SETUPTOOLS_SCM_PRETEND_VERSION: ${{ steps.strip-prefix.outputs.version }}
- name: Check package metadata
run: twine check dist/*
working-directory: flash_attn/cute
- name: Store distribution packages
uses: actions/upload-artifact@v4
with:
name: python-package-distributions
path: flash_attn/cute/dist/
github-release:
needs: [prepare-release, build]
runs-on: ubuntu-latest
steps:
- name: Download distribution packages
uses: actions/download-artifact@v4
with:
name: python-package-distributions
path: dist/
- name: Create GitHub Release
uses: softprops/action-gh-release@v2
with:
tag_name: ${{ needs.prepare-release.outputs.release_tag }}
files: dist/*
generate_release_notes: true
prerelease: ${{ contains(needs.prepare-release.outputs.release_tag, '.beta') }}
publish-to-pypi:
needs: build
runs-on: ubuntu-latest
environment:
name: pypi
url: https://pypi.org/p/flash-attn-4
permissions:
id-token: write
steps:
- name: Download distribution packages
uses: actions/download-artifact@v4
with:
name: python-package-distributions
path: dist/
- name: Publish to PyPI
uses: pypa/gh-action-pypi-publish@release/v1