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47 lines
3.1 KiB
Markdown
47 lines
3.1 KiB
Markdown
# RELEASE-Github.md: Automated Release Workflow
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This document details the operation of the NLTK GitHub Actions release workflow, defined in `.github/workflows/release.yml`. This workflow automates the creation of GitHub releases and supports optional PyPI integration for official distribution.
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### Workflow Trigger
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The workflow is **event-driven**. It is automatically initiated upon pushing a git tag that follows the `v` prefix naming convention to the repository.
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* **Trigger Action:** `git push origin v3.10.x-rc`
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* **Requirement:** The workflow file must be present on the target branch. **Crucially, the release tag must point to a commit located within `origin/develop` to ensure the release is built from the authorized development head.**
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### Prerequisites & Permissions
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Successful execution of this workflow requires specific repository configurations:
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* **Write Permissions:** Pushing a release tag requires **write** access to the repository, and the workflow needs `contents: write` (via `GITHUB_TOKEN`) to create the draft GitHub release.
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* **Fork Execution:** If executing within a fork, ensure the repository settings under **Actions > General > Workflow permissions** are set to "Read and write permissions" to allow the workflow to create release objects.
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* **Secrets:** No additional repository secrets are required; the workflow uses the automatically provisioned `GITHUB_TOKEN` to query CI and create the draft release.
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### Release Strategy: GitHub vs. PyPI
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The workflow maintains a clear separation between testing and production release artifacts:
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| Stage | Platform | Purpose |
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| --- | --- | --- |
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| **Release Candidate** | GitHub Releases | Early community feedback and environment validation. |
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| **Official Release** | PyPI | Production distribution via `pip` and package repository indexing. |
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> **Integration:** While the workflow primarily stages artifacts on GitHub, it is capable of handling **PyPI integration**. If configured, the workflow will automatically publish the build artifacts to PyPI upon successful validation of the release tag.
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### Execution & Verification
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1. **Initiate Release:** Trigger the workflow by pushing the appropriate tag to the remote:
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```bash
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git tag v3.10.0-rc1
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git push origin v3.10.0-rc1
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```
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2. **CI Validation:** As implemented in **[#3506](https://github.com/nltk/nltk/pull/3506)**, the workflow performs an automated check to verify that Continuous Integration (CI) has successfully passed on the specific commit to which the release tag points.
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3. **Monitor Logs:** Follow the execution progress in the repository’s **Actions** tab.
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4. **Audit:** If the workflow fails to push to PyPI or draft a release, inspect the logs for:
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* **CI Failures:** Verify the commit status matches the requirements set forth in PR #3506.
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* **Branch Validation:** Ensure the tagged commit is reachable via `origin/develop`.
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* **Authentication errors:** Verify that the `PYPI_API_TOKEN` is active and has the correct scope.
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* **Permission errors:** Confirm that the `GITHUB_TOKEN` has been granted the necessary write access.
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* **Version conflicts:** Ensure the tag is not already associated with an existing release.
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