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Code Issues 44 Projects Packages Wiki Activity

[PR #953] [CLOSED] feat: plugin system with OctoPrint converter and PrettyGCode viewer #1142

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opened 2026-05-07 00:16:15 +02:00 by BreizhHardware · 0 comments

BreizhHardware commented

2026-05-07 00:16:15 +02:00

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📋 Pull Request Information

Original PR: https://github.com/maziggy/bambuddy/pull/953
Author: @Soopahfly
Created: 4/12/2026
Status: ❌ Closed

Base: dev ← Head: feature/plugin-system

📝 Commits (1)

5e49c61 feat: add plugin system with OctoPrint converter and PrettyGCode viewer

📊 Changes

40 files changed (+17571 additions, -10 deletions)

View changed files

📝 .gitignore (+6 -0)
➕ backend/app/api/routes/plugins.py (+365 -0)
📝 backend/app/core/config.py (+2 -0)
📝 backend/app/core/database.py (+1 -0)
📝 backend/app/main.py (+51 -9)
➕ backend/app/models/plugin.py (+22 -0)
➕ backend/app/plugins/__init__.py (+0 -0)
➕ backend/app/plugins/base.py (+208 -0)
➕ backend/app/plugins/loader.py (+166 -0)
➕ backend/app/plugins/octoprint_converter.py (+520 -0)
➕ backend/app/plugins/registry.py (+164 -0)
📝 docker-compose.yml (+4 -0)
📝 frontend/src/App.tsx (+2 -0)
📝 frontend/src/api/client.ts (+73 -0)
📝 frontend/src/components/Layout.tsx (+2 -1)
➕ frontend/src/components/PluginsSettings.tsx (+548 -0)
📝 frontend/src/i18n/locales/en.ts (+53 -0)
➕ frontend/src/pages/PluginsPage.tsx (+9 -0)
➕ plugins/.gitkeep (+0 -0)
➕ plugins/example_plugin/__init__.py (+87 -0)

...and 20 more files

📄 Description

Description

Adds a first-class plugin system to Bambuddy, allowing users to install, enable/disable, and configure plugins — including automatic conversion of existing OctoPrint plugins.

Ships with a bundled PrettyGCode plugin as a reference implementation: a full 3D GCode viewer with layer sync and nozzle animation driven by Bambu MQTT data.

Related Issue

Fixes #952

Documentation

Companion docs PRs (delete lines that don't apply):

Wiki: to follow once issue is triaged — happy to write plugin authoring docs

Pick one:

Docs PR(s) linked above
No docs update required — reason: bundling with PR initially; will add wiki docs if maintainers want to proceed

Type of Change

Bug fix (non-breaking change that fixes an issue)
New feature (non-breaking change that adds functionality)
Breaking change (fix or feature that would cause existing functionality to change)
Documentation update
Code refactoring
Performance improvement
Test addition or update

Changes Made

Backend (backend/app/plugins/)

Plugin loader — discovers Python packages in data/plugins/ on startup, registers to DB, loads enabled plugins
Mixins: StartupPlugin, ShutdownPlugin, EventHandlerPlugin, SettingsPlugin, AssetPlugin, SimpleApiPlugin
PluginRecord DB model (added via existing init_db() path, no migration required)
Plugin API (/api/v1/plugins) — list, upload/analyse/install, enable/disable, get/set settings, static asset serving, SimpleApiPlugin command dispatch
OctoPrint converter (octoprint_converter.py) — AST-based; maps supported mixins 1:1, stubs unsupported ones with comments
Lifecycle events wired into on_print_start, on_print_complete, archive creation, app startup/shutdown
docker-compose.yml — ./plugins:/app/data/plugins volume so plugins survive image rebuilds
config.py — plugins_dir setting, preserves _external_db_url from dev

Frontend

Plugins sidebar nav item (Package icon, /plugins route, between Notifications and Settings)
PluginsSettings component — plugin cards with enable toggle, inline settings editor, "Open Viewer" button for plugins with static/index.html
Upload modal — drag-drop .zip, detects Bambuddy vs OctoPrint, previews mixin support and generated code before confirming install

PrettyGCode plugin (plugins/prettygcode/)

Converted from OctoPrint-PrettyGCode (my own plugin, MIT licensed)
Standalone viewer at /api/v1/plugins/prettygcode/assets/index.html
bambuddy_adapter.js bridges OctoPrint ViewModel/Knockout API to Bambuddy WebSocket + REST
Layer highlight sync: GCode file is parsed when loaded (teed from the fetch() prettygcode.js already makes), building a layer_num → byte offset map; layer_num from MQTT drives filepos into prettygcode's existing syncGcodeObjToFilePos()
Nozzle animation: per-layer G0/G1 commands extracted during parse and fed as synthetic Send: log entries — works around Bambu not exposing GCode serial echo
All JS dependencies bundled locally (Three.js, dat.gui, camera-controls, jQuery, OBJLoader, LineMaterial/Line2, ExtruderNozzle model)

Screenshots

Plugins sidebar and card view:

Plugin list with PrettyGCode showing "Loaded" badge and "Open Viewer" button

PrettyGCode viewer:

3D GCode visualisation with layer highlight synced to live print progress

(Screenshots available on request — running locally against an X1C)

Testing

I have tested this on my local machine
I have tested with my printer model: X1C
Backend starts cleanly with no plugins installed (graceful empty-dir handling)
PrettyGCode plugin loads, viewer renders, layer highlight tracks print progress
OctoPrint plugin upload/detect/convert/install flow works end-to-end
Enable/disable toggle correctly sets DB state and shows restart badge
Plugin settings save and persist across page reloads

Checklist

My code follows the project's coding style
I have commented my code where necessary
My changes generate no new warnings
I have tested my changes thoroughly

Additional Notes

The plugins/prettygcode/ static JS files are third-party libs bundled from the original OctoPrint-PrettyGCode repo (MIT). Happy to exclude them and use CDN links instead if bundling large vendor files is a concern.
The OctoPrint converter is designed to be conservative — it only converts what it can verify, and leaves a clear # TODO comment for anything it can't safely map.
I acknowledge the process wasn't followed correctly on the first attempt (PRed to main without an issue). This submission is against dev with the issue linked.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/maziggy/bambuddy/pull/953 **Author:** [@Soopahfly](https://github.com/Soopahfly) **Created:** 4/12/2026 **Status:** ❌ Closed **Base:** `dev` ← **Head:** `feature/plugin-system` --- ### 📝 Commits (1) - [`5e49c61`](https://github.com/maziggy/bambuddy/commit/5e49c611eca8e5e66fa64115453af85fb229a14e) feat: add plugin system with OctoPrint converter and PrettyGCode viewer ### 📊 Changes **40 files changed** (+17571 additions, -10 deletions) <details> <summary>View changed files</summary> 📝 `.gitignore` (+6 -0) ➕ `backend/app/api/routes/plugins.py` (+365 -0) 📝 `backend/app/core/config.py` (+2 -0) 📝 `backend/app/core/database.py` (+1 -0) 📝 `backend/app/main.py` (+51 -9) ➕ `backend/app/models/plugin.py` (+22 -0) ➕ `backend/app/plugins/__init__.py` (+0 -0) ➕ `backend/app/plugins/base.py` (+208 -0) ➕ `backend/app/plugins/loader.py` (+166 -0) ➕ `backend/app/plugins/octoprint_converter.py` (+520 -0) ➕ `backend/app/plugins/registry.py` (+164 -0) 📝 `docker-compose.yml` (+4 -0) 📝 `frontend/src/App.tsx` (+2 -0) 📝 `frontend/src/api/client.ts` (+73 -0) 📝 `frontend/src/components/Layout.tsx` (+2 -1) ➕ `frontend/src/components/PluginsSettings.tsx` (+548 -0) 📝 `frontend/src/i18n/locales/en.ts` (+53 -0) ➕ `frontend/src/pages/PluginsPage.tsx` (+9 -0) ➕ `plugins/.gitkeep` (+0 -0) ➕ `plugins/example_plugin/__init__.py` (+87 -0) _...and 20 more files_ </details> ### 📄 Description ## Description Adds a first-class plugin system to Bambuddy, allowing users to install, enable/disable, and configure plugins — including automatic conversion of existing OctoPrint plugins. Ships with a bundled PrettyGCode plugin as a reference implementation: a full 3D GCode viewer with layer sync and nozzle animation driven by Bambu MQTT data. ## Related Issue Fixes #952 ## Documentation **Companion docs PRs** (delete lines that don't apply): - Wiki: _to follow once issue is triaged — happy to write plugin authoring docs_ **Pick one**: - [ ] Docs PR(s) linked above - [x] No docs update required — reason: bundling with PR initially; will add wiki docs if maintainers want to proceed ## Type of Change - [ ] Bug fix (non-breaking change that fixes an issue) - [x] New feature (non-breaking change that adds functionality) - [ ] Breaking change (fix or feature that would cause existing functionality to change) - [ ] Documentation update - [ ] Code refactoring - [ ] Performance improvement - [ ] Test addition or update ## Changes Made **Backend (`backend/app/plugins/`)** - Plugin loader — discovers Python packages in `data/plugins/` on startup, registers to DB, loads enabled plugins - Mixins: `StartupPlugin`, `ShutdownPlugin`, `EventHandlerPlugin`, `SettingsPlugin`, `AssetPlugin`, `SimpleApiPlugin` - `PluginRecord` DB model (added via existing `init_db()` path, no migration required) - Plugin API (`/api/v1/plugins`) — list, upload/analyse/install, enable/disable, get/set settings, static asset serving, SimpleApiPlugin command dispatch - OctoPrint converter (`octoprint_converter.py`) — AST-based; maps supported mixins 1:1, stubs unsupported ones with comments - Lifecycle events wired into `on_print_start`, `on_print_complete`, archive creation, app startup/shutdown - `docker-compose.yml` — `./plugins:/app/data/plugins` volume so plugins survive image rebuilds - `config.py` — `plugins_dir` setting, preserves `_external_db_url` from dev **Frontend** - `Plugins` sidebar nav item (`Package` icon, `/plugins` route, between Notifications and Settings) - `PluginsSettings` component — plugin cards with enable toggle, inline settings editor, "Open Viewer" button for plugins with `static/index.html` - Upload modal — drag-drop `.zip`, detects Bambuddy vs OctoPrint, previews mixin support and generated code before confirming install **PrettyGCode plugin (`plugins/prettygcode/`)** - Converted from [OctoPrint-PrettyGCode](https://github.com/Soopahfly/OctoPrint-PrettyGCode) (my own plugin, MIT licensed) - Standalone viewer at `/api/v1/plugins/prettygcode/assets/index.html` - `bambuddy_adapter.js` bridges OctoPrint ViewModel/Knockout API to Bambuddy WebSocket + REST - Layer highlight sync: GCode file is parsed when loaded (teed from the fetch() prettygcode.js already makes), building a `layer_num → byte offset` map; `layer_num` from MQTT drives `filepos` into prettygcode's existing `syncGcodeObjToFilePos()` - Nozzle animation: per-layer G0/G1 commands extracted during parse and fed as synthetic `Send:` log entries — works around Bambu not exposing GCode serial echo - All JS dependencies bundled locally (Three.js, dat.gui, camera-controls, jQuery, OBJLoader, LineMaterial/Line2, ExtruderNozzle model) ## Screenshots _Plugins sidebar and card view:_ > Plugin list with PrettyGCode showing "Loaded" badge and "Open Viewer" button _PrettyGCode viewer:_ > 3D GCode visualisation with layer highlight synced to live print progress _(Screenshots available on request — running locally against an X1C)_ ## Testing - [x] I have tested this on my local machine - [x] I have tested with my printer model: X1C - Backend starts cleanly with no plugins installed (graceful empty-dir handling) - PrettyGCode plugin loads, viewer renders, layer highlight tracks print progress - OctoPrint plugin upload/detect/convert/install flow works end-to-end - Enable/disable toggle correctly sets DB state and shows restart badge - Plugin settings save and persist across page reloads ## Checklist - [x] My code follows the project's coding style - [x] I have commented my code where necessary - [x] My changes generate no new warnings - [x] I have tested my changes thoroughly ## Additional Notes - The `plugins/prettygcode/` static JS files are third-party libs bundled from the original OctoPrint-PrettyGCode repo (MIT). Happy to exclude them and use CDN links instead if bundling large vendor files is a concern. - The OctoPrint converter is designed to be conservative — it only converts what it can verify, and leaves a clear `# TODO` comment for anything it can't safely map. - I acknowledge the process wasn't followed correctly on the first attempt (PRed to `main` without an issue). This submission is against `dev` with the issue linked. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

BreizhHardware

2026-05-07 00:16:15 +02:00

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BreizhHardware referenced this issue

2026-05-07 00:16:26 +02:00

[PR #1142] [MERGED] fix(oidc): Allow auto_link_existing_accounts with custom email claims (Azure Entra ID) #1170

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