regenerate_models.yaml

# This workflow regenerates Pydantic models (src/apify_client/_models.py) from the OpenAPI spec whenever
# the spec changes in an apify/apify-docs PR. It is triggered via workflow_dispatch from the apify-docs CI pipeline.

name: Regenerate models from OpenAPI spec

on:
  workflow_dispatch:
    inputs:
      docs_pr_number:
        description: PR number in apify/apify-docs that triggered this workflow
        required: true
        type: string
      docs_workflow_run_id:
        description: Workflow run ID in apify/apify-docs that built the OpenAPI spec artifact
        required: true
        type: string

permissions:
  contents: write
  pull-requests: write

concurrency:
  group: regenerate-models-${{ inputs.docs_pr_number }}
  cancel-in-progress: true

jobs:
  regenerate-models:
    name: Regenerate models
    runs-on: ubuntu-latest

    env:
      DOCS_PR_NUMBER: ${{ inputs.docs_pr_number }}

    steps:
      - name: Validate inputs
        run: |
          if ! [[ "$DOCS_PR_NUMBER" =~ ^[1-9][0-9]*$ ]]; then
            echo "::error::docs_pr_number must be a positive integer, got: $DOCS_PR_NUMBER"
            exit 1
          fi
          if ! [[ "${{ inputs.docs_workflow_run_id }}" =~ ^[0-9]+$ ]]; then
            echo "::error::docs_workflow_run_id must be a numeric run ID, got: ${{ inputs.docs_workflow_run_id }}"
            exit 1
          fi

      - name: Checkout apify-client-python
        uses: actions/checkout@v6
        with:
          token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}

      # Download the pre-built OpenAPI spec artifact from the apify-docs workflow run.
      - name: Download OpenAPI spec artifact
        uses: actions/download-artifact@v4
        with:
          name: openapi-bundles
          path: openapi-spec
          repository: apify/apify-docs
          run-id: ${{ inputs.docs_workflow_run_id }}
          github-token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}

      - name: Set up uv
        uses: astral-sh/setup-uv@v7
        with:
          python-version: "3.14"

      - name: Install dependencies
        run: uv run poe install-dev

      - name: Generate models from OpenAPI spec
        run: uv run datamodel-codegen --input openapi-spec/openapi.json

      - name: Check for changes
        id: changes
        run: |
          if git diff --exit-code src/apify_client/_models.py; then
            echo "No changes in generated models"
            echo "changed=false" >> "$GITHUB_OUTPUT"
          else
            echo "Models have changed"
            echo "changed=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Configure git
        if: steps.changes.outputs.changed == 'true'
        run: |
          git config user.name "apify-service-account"
          git config user.email "apify-service-account@users.noreply.github.com"

      - name: Create or update PR
        if: steps.changes.outputs.changed == 'true'
        id: pr
        env:
          GH_TOKEN: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
        run: |
          BRANCH="update-models-docs-pr-${DOCS_PR_NUMBER}"
          DOCS_PR_URL="https://github.com/apify/apify-docs/pull/${DOCS_PR_NUMBER}"
          TITLE="[TODO]: update generated models from apify-docs PR #${DOCS_PR_NUMBER}"

          # -B creates the branch or resets it if it already exists (re-runs for the same docs PR).
          git checkout -B "$BRANCH"
          git add src/apify_client/_models.py
          git commit -m "$TITLE"
          git push --force origin "$BRANCH"

          EXISTING_PR=$(gh pr list --head "$BRANCH" --json url --jq '.[0].url' 2>/dev/null || true)

          if [[ -n "$EXISTING_PR" ]]; then
            echo "PR already exists: $EXISTING_PR"
            echo "pr_url=$EXISTING_PR" >> "$GITHUB_OUTPUT"
            echo "created=false" >> "$GITHUB_OUTPUT"
          else
            BODY=$(cat <<EOF
          This PR updates the auto-generated Pydantic models based on OpenAPI specification changes in [apify-docs PR #${DOCS_PR_NUMBER}](${DOCS_PR_URL}).

          ## Changes

          - Regenerated \`src/apify_client/_models.py\` using \`datamodel-codegen\`

          ## Source

          - apify-docs PR: ${DOCS_PR_URL}
          EOF
            )

            PR_URL=$(gh pr create \
              --title "$TITLE" \
              --body "$BODY" \
              --head "$BRANCH" \
              --base master)
            echo "Created PR: $PR_URL"
            echo "pr_url=$PR_URL" >> "$GITHUB_OUTPUT"
            echo "created=true" >> "$GITHUB_OUTPUT"
          fi

      # Post a cross-repo comment on the original docs PR so reviewers know about the corresponding client-python PR.
      - name: Comment on apify-docs PR
        if: steps.changes.outputs.changed == 'true'
        env:
          GH_TOKEN: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
          PR_CREATED: ${{ steps.pr.outputs.created }}
          PR_URL: ${{ steps.pr.outputs.pr_url }}
        run: |
          if [[ "$PR_CREATED" = "true" ]]; then
            COMMENT="A PR to update the Python client models has been created: ${PR_URL}

          This was automatically triggered by OpenAPI specification changes in this PR."
          else
            COMMENT="The Python client model PR has been updated with the latest OpenAPI spec changes: ${PR_URL}"
          fi

          gh pr comment "$DOCS_PR_NUMBER" \
            --repo apify/apify-docs \
            --body "$COMMENT"

      - name: Comment on failure
        if: failure()
        env:
          GH_TOKEN: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
        run: |
          if [[ -z "$DOCS_PR_NUMBER" ]]; then
            echo "DOCS_PR_NUMBER is not set; skipping failure comment on apify/apify-docs PR."
            exit 0
          fi

          gh pr comment "$DOCS_PR_NUMBER" \
            --repo apify/apify-docs \
            --body "Python client model regeneration failed. [See workflow run](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})." \
            || echo "Warning: Failed to post failure comment to apify/apify-docs PR #$DOCS_PR_NUMBER."