klesh opened a new pull request, #9097:
URL: https://github.com/apache/devlake/pull/9097
## Summary
Phase 1 (Warning) of the Python plugin deprecation plan in #9092. Adds
deprecation warnings across the backend and frontend so users are informed that
the Python plugin framework (PyDevLake) will be removed in 3 months, and that
they should migrate to Go-based plugins (e.g. `azuredevops` → `azuredevops_go`).
This PR does **not** remove any code. It only surfaces deprecation notices.
## Changes
### Backend
- **`backend/python/README.md`** — DEPRECATED banner at the top explaining
why, the timeline, and migration guidance for new plugins (write Go) and
existing `azuredevops` users (migrate to `azuredevops_go`).
- **`backend/python/plugins/azuredevops/README.md`** — marks the plugin
deprecated, points to `azuredevops_go`.
- **`backend/core/runner/loader.go`** — emits a one-time `WARN` log at
server startup when remote (Python) plugins are being loaded:
```
DEPRECATION WARNING: The Python plugin framework (PyDevLake) is deprecated
and will be removed in 3 months. See
https://github.com/apache/devlake/issues/9092 ...
```
- **`backend/core/plugin/plugin_meta.go`** — new `PluginDeprecation`
interface (`DeprecationMessage() string`).
- **`backend/server/services/remote/plugin/plugin_impl.go`** —
`remotePluginImpl` implements `PluginDeprecation`; all remote/Python plugins
report a deprecation message.
- **`backend/server/api/plugininfo/plugininifo.go`** — `GET /plugins` now
returns a `deprecated` boolean per plugin so the frontend can detect deprecated
plugins.
### Frontend (config-ui)
- **`config-ui/src/types/plugin.ts`** — added `isDeprecated?` and
`deprecationMessage?` to `IPluginConfig`.
- **`config-ui/src/plugins/register/azure/config.tsx`** — `AzureConfig` (the
Python `azuredevops` plugin) is now flagged `isDeprecated: true` with a
migration message.
- **`config-ui/src/routes/connection/connections.tsx`** — renders a red
**Deprecated** badge + deprecation note on deprecated plugin cards in the
Connections page.
- **`config-ui/src/routes/connection/styled.ts`** — styles for the new
`.deprecated` badge and `.deprecation-note`.
## Plan timeline (from #9092)
| Phase | Window | Status |
| --- | --- | --- |
| 1. Warning | T+0 | **This PR** |
| 2. Freeze | T+1 month | Not started |
| 3. Migration assist | T+1~T+3 months | Not started |
| 4. Removal | T+3 months | Not started |
## Verification
- `go vet ./core/runner/... ./core/plugin/... ./server/api/plugininfo/...
./server/services/remote/...` — clean
- `tsc --noEmit` — no new errors (only pre-existing missing test deps)
## Related issue
Closes: no (this is Phase 1 of the plan in #9092; the issue stays open until
Phase 4 removal).
Refs: #9092
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