[PR #15826] chore(api): improve type hints for BaseNode and its subclasses #28382

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opened 2026-02-21 20:43:20 -05:00 by yindo · 0 comments
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Original Pull Request: https://github.com/langgenius/dify/pull/15826

State: closed
Merged: Yes


Summary

Use type variable for BaseNode._node_data_cls so subclasses of BaseNode can have correspond member types.

Screenshots

N/A

Checklist

  • This change requires a documentation update, included: Dify Document
  • I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
  • I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
  • I've updated the documentation accordingly.
  • I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods

Closes #15857.

**Original Pull Request:** https://github.com/langgenius/dify/pull/15826 **State:** closed **Merged:** Yes --- # Summary Use type variable for `BaseNode._node_data_cls` so subclasses of `BaseNode` can have correspond member types. # Screenshots N/A # Checklist - [ ] This change requires a documentation update, included: [Dify Document](https://github.com/langgenius/dify-docs) - [x] I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!) - [x] I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change. - [x] I've updated the documentation accordingly. - [x] I ran `dev/reformat`(backend) and `cd web && npx lint-staged`(frontend) to appease the lint gods Closes #15857.
yindo added the pull-request label 2026-02-21 20:43:20 -05:00
yindo closed this issue 2026-02-21 20:43:20 -05:00
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Reference: langgenius/dify#28382