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Branding:
- Rename app, window title, file extension (.labdaq → .labui), user data
dirs (~/.labui/), spec file (labdaq.spec → labui.spec), and APP_NAME
throughout all source, docs, and config files
Plugin system:
- Plugins no longer bundled in the PyInstaller build — installed at
runtime by users via Settings → Plugins → Install Plugin (zip)
- PluginManager now takes user_dir + extra_scan_dirs; user plugins live
in ~/.labui/plugins/, dev scan additionally covers project plugins/
- install_from_zip / uninstall / is_user_installed added to PluginManager
- vendor/ dir inside plugin zips: prepended to sys.path at load time so
plugins can ship their own deps without requiring pip on end-user machine
- source_url field in manifest.json: shown as Download button in the
missing-plugins dialog when a profile requires an absent plugin
- Frozen-app pip install now targets ~/.labui/plugin_packages/ using a
real system Python (sys.executable is the exe in frozen builds)
Profile loading:
- Profile now stores plugins_manifest snapshot (id, name, version,
source_url) alongside plugins_enabled
- On load, missing or dep-broken plugins trigger MissingPluginsDialog
before the rest of the profile is applied; user can install from zip
or download via source_url in-dialog, or cancel the load
- Plugin reconciliation only enables installed plugins — missing ones
are not written to enabled.json
UI:
- Version label added to status bar (bottom-right, muted colour)
- Settings → Plugins tab: Install Plugin… button, per-plugin Remove
button for user-installed plugins, live list refresh after install/remove
Docs:
- New docs/building.md covers the full release pipeline
- docs/plugin-development.md updated for new install flow, vendoring,
source_url, profile behaviour, and distribution instructions
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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manifest.json already had an unused "requires" field (motion_capture's
manifest lists opencv-python>=4.8.0) — PluginManifest never parsed it,
so a missing dependency just crashed the import inside _load_plugin(),
caught by the broad except and only ever printed to the console.
Adds PluginManifest.requires, PluginManager.missing_requirements()/
get_missing_dependencies(), and an early check in _load_plugin() that
skips the risky import entirely when a requirement is missing.
main_window.plugin_enable() now checks this before calling
PluginManager.enable() and shows a QMessageBox with the missing
packages and a pip install command instead of failing silently.
Checks by distribution name via importlib.metadata (what pip installed
it as), not import name — those differ for packages like opencv-python
(imports as cv2) or pyserial (imports as serial), so importlib.util.
find_spec() would give false negatives.
Also fixes a button-state bug this surfaces: SettingsWindow's plugin
toggle optimistically flipped to "Disable" the instant Enable was
clicked, before knowing whether enabling actually succeeds — pre-existing,
but now trivially reproducible (any plugin missing a dependency). Enable
no longer flips the button immediately; main_window calls the new
sync_plugin_button() once the real outcome is known.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Plugins live in plugins/<name>/ with a manifest.json and a LabPlugin
subclass. Enabled/disabled in Settings > Plugins tab; state persists in
plugins/enabled.json and in .labdaq profiles (loading a profile
enables/disables plugins to match). Plugins can contribute toolbar
buttons, BaseDevice instances (auto-wired into acquisition pipeline),
custom signal filter classes, a settings widget, and profile state via
get_save_state/apply_save_state. Load errors now report the exact
failing stage (file not found, class missing, on_load crash).
Includes example plugin skeleton and docs/plugin-development.md.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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