def instance(parent=None):
if PyFlow.appInstance is not None:
return PyFlow.appInstance
settings = ConfigManager().getSettings("APP_STATE")
instance = PyFlow(parent)
REGISTER_TOOL("PyFlowBase", LoggerTool)
a = GET_TOOLS()["PyFlowBase"][0]()
a.setAppInstance(instance)
instance.registerToolInstance(a)
instance.addDockWidget(a.defaultDockArea(), a)
a.setAppInstance(instance)
a.onShow()
try:
extraPackagePaths = []
extraPathsString = ConfigManager().getPrefsValue(
"PREFS", "General/ExtraPackageDirs")
if extraPathsString is not None:
extraPathsString = extraPathsString.rstrip(";")
extraPathsRaw = extraPathsString.split(";")
for rawPath in extraPathsRaw:
if os.path.exists(rawPath):
extraPackagePaths.append(os.path.normpath(rawPath))
INITIALIZE(additionalPackageLocations=extraPackagePaths)
except Exception as e:
QMessageBox.critical(None, "Fatal error", str(e))
return
instance.startMainLoop()
# populate tools
canvas = instance.getCanvas()
toolbar = instance.getToolbar()
geo = settings.value('Editor/geometry')
if geo is not None:
instance.restoreGeometry(geo)
state = settings.value('Editor/state')
if state is not None:
instance.restoreState(state)
settings.beginGroup("Tools")
for packageName, registeredToolSet in GET_TOOLS().items():
for ToolClass in registeredToolSet:
if issubclass(ToolClass, ShelfTool):
ToolInstance = ToolClass()
# prevent to be garbage collected
instance.registerToolInstance(ToolInstance)
ToolInstance.setAppInstance(instance)
action = QAction(instance)
action.setIcon(ToolInstance.getIcon())
action.setText(ToolInstance.name())
action.setToolTip(ToolInstance.toolTip())
action.setObjectName(ToolInstance.name())
action.triggered.connect(ToolInstance.do)
# check if context menu data available
menuBuilder = ToolInstance.contextMenuBuilder()
if menuBuilder:
menuGenerator = ContextMenuGenerator(menuBuilder)
menu = menuGenerator.generate()
action.setMenu(menu)
toolbar.addAction(action)
# step to ShelfTools/ToolName group and pass settings inside
settings.beginGroup("ShelfTools")
settings.beginGroup(ToolClass.name())
ToolInstance.restoreState(settings)
settings.endGroup()
settings.endGroup()
if issubclass(ToolClass, DockTool):
menus = instance.menuBar.findChildren(QMenu)
pluginsMenuAction = [
m for m in menus if m.title() == "Plugins"
][0].menuAction()
toolsMenu = getOrCreateMenu(instance.menuBar, "Tools")
instance.menuBar.insertMenu(pluginsMenuAction, toolsMenu)
packageSubMenu = getOrCreateMenu(toolsMenu, packageName)
toolsMenu.addMenu(packageSubMenu)
showToolAction = packageSubMenu.addAction(ToolClass.name())
icon = ToolClass.getIcon()
if icon:
showToolAction.setIcon(icon)
showToolAction.triggered.connect(
lambda pkgName=packageName, toolName=ToolClass.name(
): instance.invokeDockToolByName(pkgName, toolName))
settings.beginGroup("DockTools")
childGroups = settings.childGroups()
for dockToolGroupName in childGroups:
# This dock tool data been saved on last shutdown
settings.beginGroup(dockToolGroupName)
if dockToolGroupName in [
t.uniqueName() for t in instance._tools
]:
continue
toolName = dockToolGroupName.split("::")[0]
instance.invokeDockToolByName(packageName, toolName,
settings)
settings.endGroup()
settings.endGroup()
PyFlow.appInstance = instance
EditorHistory().saveState("New file")
for name, package in GET_PACKAGES().items():
prefsWidgets = package.PrefsWidgets()
if prefsWidgets is not None:
for categoryName, widgetClass in prefsWidgets.items():
PreferencesWindow().addCategory(categoryName,
widgetClass())
PreferencesWindow().selectByName("General")
return instance
def instance(parent=None, software=""):
assert (
software != ""
), "Invalid arguments. Please pass you software name as second argument!"
instance = PyFlow(parent)
settings = ConfigManager().getSettings("APP_STATE")
instance.currentSoftware = software
SessionDescriptor().software = instance.currentSoftware
if software == "standalone":
editableStyleSheet(instance)
try:
extraPackagePaths = []
extraPathsString = ConfigManager().getPrefsValue(
"PREFS", "General/ExtraPackageDirs")
if extraPathsString is not None:
extraPathsString = extraPathsString.rstrip(";")
extraPathsRaw = extraPathsString.split(";")
for rawPath in extraPathsRaw:
if os.path.exists(rawPath):
extraPackagePaths.append(os.path.normpath(rawPath))
INITIALIZE(additionalPackageLocations=extraPackagePaths,
software=software)
except Exception as e:
QMessageBox.critical(None, "Fatal error", str(e))
return
instance.startMainLoop()
# populate tools
canvas = instance.getCanvas()
toolbar = instance.getToolbar()
# populate menus
instance.populateMenu()
geo = settings.value('Editor/geometry')
if geo is not None:
instance.restoreGeometry(geo)
state = settings.value('Editor/state')
if state is not None:
instance.restoreState(state)
settings.beginGroup("Tools")
for packageName, registeredToolSet in GET_TOOLS().items():
for ToolClass in registeredToolSet:
if issubclass(ToolClass, ShelfTool):
ToolInstance = ToolClass()
# prevent to be garbage collected
instance.registerToolInstance(ToolInstance)
ToolInstance.setAppInstance(instance)
action = QAction(instance)
action.setIcon(ToolInstance.getIcon())
action.setText(ToolInstance.name())
action.setToolTip(ToolInstance.toolTip())
action.setObjectName(ToolInstance.name())
action.triggered.connect(ToolInstance.do)
# check if context menu data available
menuBuilder = ToolInstance.contextMenuBuilder()
if menuBuilder:
menuGenerator = ContextMenuGenerator(menuBuilder)
menu = menuGenerator.generate()
action.setMenu(menu)
toolbar.addAction(action)
# step to ShelfTools/ToolName group and pass settings inside
settings.beginGroup("ShelfTools")
settings.beginGroup(ToolClass.name())
ToolInstance.restoreState(settings)
settings.endGroup()
settings.endGroup()
if issubclass(ToolClass, DockTool):
menus = instance.menuBar.findChildren(QMenu)
pluginsMenuAction = [
m for m in menus if m.title() == "Plugins"
][0].menuAction()
toolsMenu = getOrCreateMenu(instance.menuBar, "Tools")
instance.menuBar.insertMenu(pluginsMenuAction, toolsMenu)
packageSubMenu = getOrCreateMenu(toolsMenu, packageName)
toolsMenu.addMenu(packageSubMenu)
showToolAction = packageSubMenu.addAction(ToolClass.name())
icon = ToolClass.getIcon()
if icon:
showToolAction.setIcon(icon)
showToolAction.triggered.connect(
lambda pkgName=packageName, toolName=ToolClass.name(
): instance.invokeDockToolByName(pkgName, toolName))
settings.beginGroup("DockTools")
childGroups = settings.childGroups()
for dockToolGroupName in childGroups:
# This dock tool data been saved on last shutdown
settings.beginGroup(dockToolGroupName)
if dockToolGroupName in [
t.uniqueName() for t in instance._tools
]:
settings.endGroup()
continue
toolName = dockToolGroupName.split("::")[0]
instance.invokeDockToolByName(packageName, toolName,
settings)
settings.endGroup()
settings.endGroup()
PyFlow.appInstance = instance
EditorHistory().saveState("New file")
for name, package in GET_PACKAGES().items():
prefsWidgets = package.PrefsWidgets()
if prefsWidgets is not None:
for categoryName, widgetClass in prefsWidgets.items():
PreferencesWindow().addCategory(categoryName,
widgetClass())
PreferencesWindow().selectByName("General")
if ConfigManager().loadedDefaults:
QMessageBox.information(
None, "First-time tips",
"Welcome to DepthAI GUI. To use this tool efficiently, please do the following:\n\n1. Maximize the window\n2. Enable NodeBox widget (Tools > PyFlowBase > NodeBox)\n3. Enable Properties widget (Tools > PyFlowBase > Properties)\n\nHave fun!"
)
return instance