♻️ Refactor Deploy Docs GitHub Action to be a script and update token preparing for org (#1039)

Author: tiangolo

.github/actions/comment-docs-preview-in-pr/Dockerfile

@@ -6,6 +6,11 @@ on:
     types:
       - completed
 
+permissions:
+  deployments: write
+  issues: write
+  pull-requests: write
+
 jobs:
   deploy-docs:
     runs-on: ubuntu-latest
@@ -38,9 +43,22 @@ jobs:
           directory: './site'
           gitHubToken: ${{ secrets.GITHUB_TOKEN }}
           branch: ${{ ( github.event.workflow_run.head_repository.full_name == github.repository && github.event.workflow_run.head_branch == 'main' && 'main' ) || ( github.event.workflow_run.head_sha ) }}
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+      - uses: actions/cache@v4
+        id: cache
+        with:
+          path: ${{ env.pythonLocation }}
+          key: ${{ runner.os }}-python-github-actions-${{ env.pythonLocation }}-${{ hashFiles('requirements-github-actions.txt') }}-v01
+      - name: Install GitHub Actions dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: pip install -r requirements-github-actions.txt
       - name: Comment Deploy
         if: steps.deploy.outputs.url != ''
-        uses: ./.github/actions/comment-docs-preview-in-pr
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          deploy_url: "${{ steps.deploy.outputs.url }}"
+        run: python ./scripts/comment_docs_deploy_url_in_pr.py
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          DEPLOY_URL: ${{ steps.deploy.outputs.url }}
+          COMMIT_SHA: ${{ github.event.workflow_run.head_sha }}

.github/actions/comment-docs-preview-in-pr/action.yml

@@ -0,0 +1,4 @@
+PyGithub>=2.3.0,<3.0.0
+pydantic>=2.5.3,<3.0.0
+pydantic-settings>=2.1.0,<3.0.0
+httpx>=0.27.0,<0.28.0

.github/actions/comment-docs-preview-in-pr/app/main.py

@@ -0,0 +1,31 @@
+import logging
+import sys
+
+from github import Github
+from pydantic import SecretStr
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    github_repository: str
+    github_token: SecretStr
+    deploy_url: str
+    commit_sha: str
+
+
+if __name__ == "__main__":
+    logging.basicConfig(level=logging.INFO)
+    settings = Settings()
+    logging.info(f"Using config: {settings.model_dump_json()}")
+    g = Github(settings.github_token.get_secret_value())
+    repo = g.get_repo(settings.github_repository)
+    use_pr = next(
+        (pr for pr in repo.get_pulls() if pr.head.sha == settings.commit_sha), None
+    )
+    if not use_pr:
+        logging.error(f"No PR found for hash: {settings.commit_sha}")
+        sys.exit(0)
+    use_pr.as_issue().create_comment(
+        f"📝 Docs preview for commit {settings.commit_sha} at: {settings.deploy_url}"
+    )
+    logging.info("Finished")