villebro opened a new pull request, #38360:
URL: https://github.com/apache/superset/pull/38360
### SUMMARY
Simplifies extension development by establishing
**convention-over-configuration** for entry points. Eliminates the need to
configure `entryPoints` arrays by requiring standard file locations instead.
**Before:**
```json
{
"backend": {
"entryPoints": ["my_extension.entrypoint"],
"files": ["backend/src/**/*.py"]
}
}
```
**After:**
- Backend entry point:
`backend/src/superset_extensions/{publisher}/{name}/entrypoint.py`
- Frontend entry point: `frontend/src/index.tsx`
- Build config: `backend/pyproject.toml`
## Breaking Changes
⚠️ **Extensions must migrate** to use conventional entry points:
1. **Remove `backend` section** from `extension.json`
2. **Move entry point** to:
`backend/src/superset_extensions/{publisher_snake}/{name_snake}/entrypoint.py`
3. **Add build config** to `backend/pyproject.toml`:
```toml
[tool.apache_superset_extensions.build]
include = ["src/superset_extensions/{publisher}/{name}/**/*.py"]
exclude = []
```
## Key Changes
- **Schema**: Removed `entryPoints` field from `ExtensionConfigBackend` and
`ManifestBackend`
- **CLI**: Updated validation, build logic, and templates for
convention-based approach
- **Templates**: Backend config moved from `extension.json` to
`pyproject.toml`
- **Tests**: Updated all tests to work with new approach
- **Docs**: Updated developer documentation
## Benefits
✅ **Simpler development** - No configuration needed, predictable file
locations
✅ **Python standards** - Uses `pyproject.toml` following PEP 518/621
✅ **Future-ready** - Foundation for automatic contribution discovery
### ADDITIONAL INFORMATION
<!--- Check any relevant boxes with "x" -->
<!--- HINT: Include "Fixes #nnn" if you are fixing an existing issue -->
- [ ] Has associated issue:
- [ ] Required feature flags:
- [ ] Changes UI
- [ ] Includes DB Migration (follow approval process in
[SIP-59](https://github.com/apache/superset/issues/13351))
- [ ] Migration is atomic, supports rollback & is backwards-compatible
- [ ] Confirm DB migration upgrade and downgrade tested
- [ ] Runtime estimates and downtime expectations provided
- [ ] Introduces new feature or API
- [ ] Removes existing feature or API
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