From a95182c847a826d4c353a375335a85b2b7e52335 Mon Sep 17 00:00:00 2001
From: meriy100 <kouta@meriy100.com>
Date: Tue, 26 May 2026 17:36:47 +0900
Subject: [PATCH] feat: Add create-release-pr-for-python action

Add a new composite action for creating release PRs for Python packages.
Based on create-release-pr-for-gem, with the version file update step
changed from awk (single-quote pattern) to sed (double-quote pattern)
to support Python's VERSION = "x.y.z" convention.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .../create-release-pr-for-python/action.yml   | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 .github/actions/create-release-pr-for-python/action.yml

diff --git a/.github/actions/create-release-pr-for-python/action.yml b/.github/actions/create-release-pr-for-python/action.yml
new file mode 100644
index 0000000..196b3df
--- /dev/null
+++ b/.github/actions/create-release-pr-for-python/action.yml
@@ -0,0 +1,72 @@
+name: Create Release PR for Python
+description: Create a pull request for releasing a new version of a Python package.
+inputs:
+  base-branch:
+    required: true
+    description: The base branch
+  version-file-path:
+    required: true
+    description: The path to the version file. ex. ./src/my_pkg/version.py
+  commit-user-email:
+    description: The email address of the user who created the commit
+    default: "41898282+github-actions[bot]@users.noreply.github.com"
+  commit-user-name:
+    description: The name of the user who created the commit
+    default: "github-actions[bot]"
+  tag-prefix:
+    description: The tag prefix
+    default: "v"
+  pre-release:
+    description: Whether the release is a pre-release
+    default: false
+  source-branch:
+    required: false
+    description: Branch to scan for commits. Defaults to base-branch if not specified.
+    default: ""
+
+runs:
+  using: "composite"
+  steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+        ref: ${{ inputs.source-branch || inputs.base-branch }}
+        token: ${{ env.GITHUB_TOKEN }}
+    - name: Conventional Changelog Action
+      id: changelog
+      uses: TriPSs/conventional-changelog-action@v6
+      with:
+        preset: conventionalcommits
+        skip-version-file: true
+        output-file: false
+        git-branch: ${{ inputs.source-branch || inputs.base-branch }}
+        git-push: false
+        skip-commit: true
+        skip-tag: true
+        tag-prefix: ${{ inputs.tag-prefix }}
+        github-token: ${{ env.GITHUB_TOKEN }}
+        pre-release: ${{ inputs.pre-release }}
+    - name: Commit version up commit
+      if: ${{ steps.changelog.outputs.skipped == 'false' }}
+      env:
+        VERSION: ${{ steps.changelog.outputs.version }}
+      run: |
+        git config --local user.email "${{ inputs.commit-user-email }}"
+        git config --local user.name "${{ inputs.commit-user-name }}"
+        git checkout -b release/${{ inputs.tag-prefix }}$VERSION
+        sed -i "s/VERSION = \".*\"/VERSION = \"$VERSION\"/" ${{ inputs.version-file-path }}
+        git add ${{ inputs.version-file-path }}
+        git commit -m "chore: bump version to v$VERSION"
+        git push origin release/${{ inputs.tag-prefix }}$VERSION
+      shell: bash
+    - name: Create Pull Request
+      if: ${{ steps.changelog.outputs.skipped == 'false' }}
+      env:
+        GH_TOKEN: ${{ env.GITHUB_TOKEN }}
+      run: |
+        cat <<EOF > /tmp/pr_body.txt
+        ${{ steps.changelog.outputs.clean_changelog }}
+        EOF
+        gh pr create --title "chore: Release version to v${{ steps.changelog.outputs.version }}" --body-file /tmp/pr_body.txt --base ${{ inputs.base-branch }} --head release/${{ inputs.tag-prefix }}${{ steps.changelog.outputs.version }}
+      shell: bash