def __init__(self,
name: str,
version: str,
build_type: str = "",
**kwargs):
if Application._instance != None:
raise ValueError("Duplicate singleton creation")
# If the constructor is called and there is no instance, set the instance to self.
# This is done because we can't make constructor private
Application._instance = self
self._application_name = name
self._version = version
self._build_type = build_type
os.putenv(
"UBUNTU_MENUPROXY", "0"
) # For Ubuntu Unity this makes Qt use its own menu bar rather than pass it on to Unity.
Signal._app = self
Signal._signalQueue = self
Resources.ApplicationIdentifier = name
Resources.ApplicationVersion = version
Resources.addSearchPath(
os.path.join(os.path.dirname(sys.executable), "resources"))
Resources.addSearchPath(
os.path.join(Application.getInstallPrefix(), "share", "uranium",
"resources"))
Resources.addSearchPath(
os.path.join(Application.getInstallPrefix(), "Resources",
"uranium", "resources"))
Resources.addSearchPath(
os.path.join(Application.getInstallPrefix(), "Resources",
self.getApplicationName(), "resources"))
if not hasattr(sys, "frozen"):
Resources.addSearchPath(
os.path.join(os.path.abspath(os.path.dirname(__file__)), "..",
"resources"))
self._main_thread = threading.current_thread()
super().__init__() # Call super to make multiple inheritance work.
i18nCatalog.setApplication(self)
self._renderer = None
PluginRegistry.addType("backend", self.setBackend)
PluginRegistry.addType("logger", Logger.addLogger)
PluginRegistry.addType("extension", self.addExtension)
preferences = Preferences.getInstance()
preferences.addPreference("general/language", "en")
preferences.addPreference("general/visible_settings", "")
try:
preferences.readFromFile(
Resources.getPath(Resources.Preferences,
self._application_name + ".cfg"))
except FileNotFoundError:
pass
self._controller = Controller(self)
self._mesh_file_handler = MeshFileHandler.getInstance()
self._mesh_file_handler.setApplication(self)
self._workspace_file_handler = WorkspaceFileHandler.getInstance()
self._workspace_file_handler.setApplication(self)
self._extensions = []
self._backend = None
self._output_device_manager = OutputDeviceManager()
self._required_plugins = []
self._operation_stack = OperationStack(self.getController())
self._plugin_registry = PluginRegistry.getInstance()
self._plugin_registry.addPluginLocation(
os.path.join(Application.getInstallPrefix(), "lib", "uranium"))
self._plugin_registry.addPluginLocation(
os.path.join(os.path.dirname(sys.executable), "plugins"))
self._plugin_registry.addPluginLocation(
os.path.join(Application.getInstallPrefix(), "Resources",
"uranium", "plugins"))
self._plugin_registry.addPluginLocation(
os.path.join(Application.getInstallPrefix(), "Resources",
self.getApplicationName(), "plugins"))
# Locally installed plugins
local_path = os.path.join(
Resources.getStoragePath(Resources.Resources), "plugins")
# Ensure the local plugins directory exists
try:
os.makedirs(local_path)
except OSError:
pass
self._plugin_registry.addPluginLocation(local_path)
if not hasattr(sys, "frozen"):
self._plugin_registry.addPluginLocation(
os.path.join(os.path.abspath(os.path.dirname(__file__)), "..",
"plugins"))
self._plugin_registry.setApplication(self)
ContainerRegistry.setApplication(self)
UM.Settings.InstanceContainer.setContainerRegistry(
self.getContainerRegistry())
UM.Settings.ContainerStack.setContainerRegistry(
self.getContainerRegistry())
self._parsed_command_line = None
self.parseCommandLine()
self._visible_messages = []
self._message_lock = threading.Lock()
self.showMessageSignal.connect(self.showMessage)
self.hideMessageSignal.connect(self.hideMessage)
self._global_container_stack = None
def __init__(self, tray_icon_name=None, **kwargs):
plugin_path = ""
if sys.platform == "win32":
if hasattr(sys, "frozen"):
plugin_path = os.path.join(
os.path.dirname(os.path.abspath(sys.executable)), "PyQt5",
"plugins")
Logger.log("i", "Adding QT5 plugin path: %s" % (plugin_path))
QCoreApplication.addLibraryPath(plugin_path)
else:
import site
for sitepackage_dir in site.getsitepackages():
QCoreApplication.addLibraryPath(
os.path.join(sitepackage_dir, "PyQt5", "plugins"))
elif sys.platform == "darwin":
plugin_path = os.path.join(Application.getInstallPrefix(),
"Resources", "plugins")
if plugin_path:
Logger.log("i", "Adding QT5 plugin path: %s" % (plugin_path))
QCoreApplication.addLibraryPath(plugin_path)
os.environ["QSG_RENDER_LOOP"] = "basic"
self._tray_icon_name = tray_icon_name
super().__init__(sys.argv, **kwargs)
self.setAttribute(Qt.AA_UseDesktopOpenGL)
major_version, minor_version, profile = OpenGLContext.detectBestOpenGLVersion(
)
if major_version is None and minor_version is None and profile is None:
Logger.log(
"e",
"Startup failed because OpenGL version probing has failed: tried to create a 2.0 and 4.1 context. Exiting"
)
QMessageBox.critical(
None, "Failed to probe OpenGL",
"Could not probe OpenGL. This program requires OpenGL 2.0 or higher. Please check your video card drivers."
)
sys.exit(1)
else:
Logger.log(
"d", "Detected most suitable OpenGL context version: %s" %
(OpenGLContext.versionAsText(major_version, minor_version,
profile)))
OpenGLContext.setDefaultFormat(major_version,
minor_version,
profile=profile)
self._plugins_loaded = False # Used to determine when it's safe to use the plug-ins.
self._main_qml = "main.qml"
self._engine = None
self._renderer = None
self._main_window = None
self._theme = None
self._shutting_down = False
self._qml_import_paths = []
self._qml_import_paths.append(
os.path.join(os.path.dirname(sys.executable), "qml"))
self._qml_import_paths.append(
os.path.join(Application.getInstallPrefix(), "Resources", "qml"))
self.parseCommandLine()
Logger.log("i", "Command line arguments: %s",
self._parsed_command_line)
signal.signal(signal.SIGINT, signal.SIG_DFL)
# This is done here as a lot of plugins require a correct gl context. If you want to change the framework,
# these checks need to be done in your <framework>Application.py class __init__().
self._mesh_file_handler = MeshFileHandler.getInstance(
) #type: MeshFileHandler
self._mesh_file_handler.setApplication(self)
self._workspace_file_handler = WorkspaceFileHandler.getInstance(
) #type: WorkspaceFileHandler
self._workspace_file_handler.setApplication(self)