Source code for umbra.engine

#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
**engine.py**

**Platform:**
	Windows, Linux, Mac Os X.

**Description:**
	| Defines various classes, methods and definitions to run, maintain and exit the Application.
	| The main Application object is the :class:`Umbra` class.

**Others:**

"""

#**********************************************************************************************************************
#***	Future imports.
#**********************************************************************************************************************
from __future__ import unicode_literals

#**********************************************************************************************************************
#***	External imports.
#**********************************************************************************************************************
import collections
import functools
import gc
import os
import optparse
import platform
import re
import sys
import time
from PyQt4.QtCore import PYQT_VERSION_STR
from PyQt4.QtCore import QEvent
from PyQt4.QtCore import QEventLoop
from PyQt4.QtCore import QString
from PyQt4.QtCore import QTimer
from PyQt4.QtCore import Qt
from PyQt4.QtCore import pyqtSignal
from PyQt4.QtGui import QApplication
from PyQt4.QtGui import QPixmap

#**********************************************************************************************************************
#***	Path manipulations.
#**********************************************************************************************************************
def _setPackageDirectory():
	"""
	Sets the Application package directory in the path.
	"""

	packageDirectory = os.path.normpath(os.path.join(os.path.dirname(__file__), "../"))
	packageDirectory not in sys.path and sys.path.append(packageDirectory)

_setPackageDirectory()

#**********************************************************************************************************************
#***	Dependencies globals manipulation.
#**********************************************************************************************************************
import foundations.globals.constants
import manager.globals.constants
import umbra.globals.constants
from umbra.globals.constants import Constants
from umbra.globals.runtimeGlobals import RuntimeGlobals
from umbra.globals.uiConstants import UiConstants

def _overrideDependenciesGlobals():
	"""
	Overrides dependencies globals.
	"""

	foundations.globals.constants.Constants.logger = manager.globals.constants.Constants.logger = Constants.logger
	foundations.globals.constants.Constants.applicationDirectory = \
		manager.globals.constants.Constants.applicationDirectory = Constants.applicationDirectory

_overrideDependenciesGlobals()

import foundations.common

def _extendResourcesPaths():
	"""
	Extend resources paths.
	"""

	for path in (os.path.join(umbra.__path__[0], Constants.resourcesDirectory),
				 os.path.join(os.getcwd(), umbra.__name__, Constants.resourcesDirectory)):
		path = os.path.normpath(path)
		if foundations.common.pathExists(path):
			path not in RuntimeGlobals.resourcesDirectories and RuntimeGlobals.resourcesDirectories.append(path)

_extendResourcesPaths()

#**********************************************************************************************************************
#***	Internal imports.
#**********************************************************************************************************************
import foundations.core
import foundations.dataStructures
import foundations.exceptions
import foundations.environment
import foundations.io
import foundations.namespace
import foundations.strings
import foundations.trace
import foundations.ui.common
import foundations.verbose
import manager.exceptions
import umbra.exceptions
import umbra.managers.actionsManager
import umbra.managers.fileSystemEventsManager
import umbra.managers.notificationsManager
import umbra.managers.patchesManager
import umbra.managers.layoutsManager
import umbra.reporter
import umbra.ui.common
import umbra.ui.widgets.messageBox
from manager.componentsManager import Manager
from umbra.preferences import Preferences
from umbra.processing import Processing
from umbra.ui.widgets.application_QToolBar import Application_QToolBar
from umbra.ui.widgets.delayed_QSplashScreen import Delayed_QSplashScreen

#**********************************************************************************************************************
#***	Module attributes.
#**********************************************************************************************************************
__author__ = "Thomas Mansencal"
__copyright__ = "Copyright (C) 2008 - 2014 - Thomas Mansencal"
__license__ = "GPL V3.0 - http://www.gnu.org/licenses/"
__maintainer__ = "Thomas Mansencal"
__email__ = "[email protected]"
__status__ = "Production"

__all__ = ["LOGGER",
		   "SESSION_HEADER_TEXT",
		   "SESSION_FOOTER_TEXT",
		   "showProcessing",
		   "encapsulateProcessing",
		   "Umbra",
		   "setUserApplicationDataDirectory",
		   "getCommandLineParametersParser",
		   "getLoggingFile",
		   "run",
		   "exit"]

LOGGER = foundations.verbose.installLogger()

def _initializeLogging():
	"""
	Initializes the Application logging.
	"""

	# Starting the console handler if a terminal is available.
	if sys.stdout.isatty() or platform.system() in ("Darwin", "Linux"):
		RuntimeGlobals.loggingConsoleHandler = foundations.verbose.getLoggingConsoleHandler()

	# Defining logging formatters.
	RuntimeGlobals.loggingFormatters = {"Default": foundations.verbose.LOGGING_DEFAULT_FORMATTER,
										"Extended": foundations.verbose.LOGGING_EXTENDED_FORMATTER,
										"Standard": foundations.verbose.LOGGING_STANDARD_FORMATTER}

_initializeLogging()

def _initializeApplication():
	"""
	Initializes the Application.
	"""

	RuntimeGlobals.application = umbra.ui.common.getApplicationInstance()
	umbra.ui.common.setWindowDefaultIcon(RuntimeGlobals.application)

	RuntimeGlobals.reporter = umbra.reporter.installExceptionReporter()
# Oncilla: Statement commented by auto-documentation process: 
# Oncilla: Statement commented by auto-documentation process: _initializeApplication()
# Oncilla: Statement commented by auto-documentation process: 
# Oncilla: Statement commented by auto-documentation process: @umbra.reporter.criticalExceptionHandler
def _initializeApplicationUiFile():
	"""
	Initializes the Application ui file.
	"""

	RuntimeGlobals.uiFile = umbra.ui.common.getResourcePath(UiConstants.uiFile)
	if not foundations.common.pathExists(RuntimeGlobals.uiFile):
		raise foundations.exceptions.FileExistsError("'{0}' ui file is not available, {1} will now close!".format(
			UiConstants.uiFile, Constants.applicationName))

_initializeApplicationUiFile()

SESSION_HEADER_TEXT = ("{0} | Copyright ( C ) 2008 - 2014 Thomas Mansencal - [email protected]".format(
	Constants.applicationName),
					   "{0} | This software is released under terms of GNU GPL V3 license.".format(
						   Constants.applicationName),
					   "{0} | http://www.gnu.org/licenses/ ".format(Constants.applicationName),
					   "{0} | Version: {1}".format(Constants.applicationName, Constants.version))

SESSION_FOOTER_TEXT = ("{0} | Closing interface! ".format(Constants.applicationName),
					   Constants.loggingSeparators,
					   "{0} | Session ended at: {1}".format(Constants.applicationName, time.strftime('%X - %x')),
					   Constants.loggingSeparators)

#**********************************************************************************************************************
#***	Module classes and definitions.
#**********************************************************************************************************************
[docs]def showProcessing(message=""): """ Shows processing behavior. :param message: Operation description. :type message: unicode :return: Object. :rtype: object """ def showProcessingDecorator(object): """ Shows processing behavior. :param object: Object to decorate. :type object: object :return: Object. :rtype: object """ # Oncilla: Statement commented by auto-documentation process: # Oncilla: Statement commented by auto-documentation process: @functools.wraps(object) def showProcessingWrapper(*args, **kwargs): """ Shows processing behavior. :param \*args: Arguments. :type \*args: \* :param \*\*kwargs: Keywords arguments. :type \*\*kwargs: \*\* """ RuntimeGlobals.engine.startProcessing(message, warning=False) try: return object(*args, **kwargs) finally: RuntimeGlobals.engine.stopProcessing(warning=False) return showProcessingWrapper return showProcessingDecorator
[docs]def encapsulateProcessing(object): """ Encapsulates a processing operation. :param object: Object to decorate. :type object: object :return: Object. :rtype: object """ # Oncilla: Statement commented by auto-documentation process: # Oncilla: Statement commented by auto-documentation process: @functools.wraps(object) def encapsulateProcessingWrapper(*args, **kwargs): """ Encapsulates a processing operation. :param \*args: Arguments. :type \*args: \* :param \*\*kwargs: Keywords arguments. :type \*\*kwargs: \*\* """ RuntimeGlobals.engine._Umbra__storeProcessingState() RuntimeGlobals.engine.stopProcessing(warning=False) try: return object(*args, **kwargs) finally: RuntimeGlobals.engine.stopProcessing(warning=False) RuntimeGlobals.engine._Umbra__restoreProcessingState() return encapsulateProcessingWrapper
[docs]class Umbra(foundations.ui.common.QWidgetFactory(uiFile=RuntimeGlobals.uiFile)): """ Defines the main class of the **Umbra** package. """ # Custom signals definitions. verbosityLevelChanged = pyqtSignal(int) """ This signal is emited by the :class:`Umbra` class when the current verbosity level has changed. ( pyqtSignal ) :return: Current verbosity level. :rtype: int """ contentDropped = pyqtSignal(QEvent) """ This signal is emited by the :class:`Umbra` class when it receives dropped content. ( pyqtSignal ) :return: Event. :rtype: QEvent """ sizeChanged = pyqtSignal(QEvent) """ This signal is emited by the :class:`Umbra` class when its size changes. ( pyqtSignal ) :return: Event. :rtype: QEvent """ def __new__(cls, *args, **kwargs): """ Constructor of the class. :param \*args: Arguments. :type \*args: \* :param \*\*kwargs: Keywords arguments. :type \*\*kwargs: \*\* :return: Class instance. :rtype: Umbra """ RuntimeGlobals.engine = super(Umbra, cls).__new__(cls) return RuntimeGlobals.engine # Oncilla: Statement commented by auto-documentation process: # Oncilla: Statement commented by auto-documentation process: @umbra.reporter.criticalExceptionHandler def __init__(self, parent=None, *args, **kwargs): """ Initializes the class. :param parent: QWidget parent. :type parent: QWidget :param \*args: Arguments. :type \*args: \* :param \*\*kwargs: Keywords arguments. :type \*\*kwargs: \*\* """ # --- Running pre initialisation method. --- hasattr(self, "onPreInitialisation") and self.onPreInitialisation() LOGGER.debug("> Initializing '{0}()' class.".format(self.__class__.__name__)) settings = foundations.dataStructures.Structure(**{"componentsPaths": None, "requisiteComponents": None, "visibleComponents": None, "splashscreen": None, "requestsStack": None, "patchesManager": None, "userApplicationDataDirectory": None, "loggingSessionHandler": None, "loggingFileHandler": None, "loggingConsoleHandler": None, "loggingSessionHandlerStream": None, "loggingActiveFormatter": None, "settings": None, "verbosityLevel": None, "parameters": None, "arguments": None}) settings.update(dict((key, value) for key, value in kwargs.iteritems() if key in settings)) super(Umbra, self).__init__(parent, *args, **dict((key, value) for key, value in kwargs.iteritems() if key not in settings)) # --- Running initialisation method. --- hasattr(self, "onInitialisation") and self.onInitialisation() # --- Setting class attributes. --- self.__componentsPaths = settings.componentsPaths or [] self.__requisiteComponents = settings.requisiteComponents or [] self.__visibleComponents = settings.visibleComponents or [] self.__splashscreen = settings.splashscreen self.__timer = None self.__requestsStack = settings.requestsStack self.__patchesManager = settings.patchesManager self.__componentsManager = None self.__actionsManager = None self.__fileSystemEventsManager = None self.__notificationsManager = None self.__layoutsManager = None self.__userApplicationDataDirectory = settings.userApplicationDataDirectory self.__loggingSessionHandler = settings.loggingSessionHandler self.__loggingFileHandler = settings.loggingFileHandler self.__loggingConsoleHandler = settings.loggingConsoleHandler self.__loggingSessionHandlerStream = settings.loggingSessionHandlerStream self.__loggingActiveFormatter = settings.loggingActiveFormatter self.__verbosityLevel = settings.verbosityLevel self.__settings = settings.settings self.__parameters = settings.parameters self.__arguments = settings.arguments self.__workerThreads = [] self.__isProcessing = False self.__locals = {} self.__processingState = None # --- Initializing Application timer. --- self.__timer = QTimer(self) self.__timer.start(Constants.defaultTimerCycle) # --- Initializing Application. --- self.__splashscreen and self.__splashscreen.showMessage( "{0} - {1} | Initializing interface.".format(self.__class__.__name__, Constants.version), waitTime=0.25) # --- Initializing the Actions Manager. --- self.__actionsManager = RuntimeGlobals.actionsManager = umbra.managers.actionsManager.ActionsManager(self) # --- Initializing the File System Events Manager. --- self.__fileSystemEventsManager = RuntimeGlobals.fileSystemEventsManager = \ umbra.managers.fileSystemEventsManager.FileSystemEventsManager(self) self.__workerThreads.append(self.__fileSystemEventsManager) if not self.__parameters.deactivateWorkerThreads: self.__fileSystemEventsManager.start() else: LOGGER.info("{0} | File system events ignored by '{1}' command line parameter value!".format( self.__class__.__name__, "deactivateWorkerThreads")) # --- Initializing the Notifications Manager. --- self.__notificationsManager = RuntimeGlobals.notificationsManager = \ umbra.managers.notificationsManager.NotificationsManager(self) # --- Initializing the Layouts Manager. --- self.__layoutsManager = RuntimeGlobals.layoutsManager = umbra.managers.layoutsManager.LayoutsManager(self) # Visual style initialization. self.setVisualStyle() umbra.ui.common.setWindowDefaultIcon(self) # Various ui initializations. self.setAcceptDrops(True) # Setting window title and toolBar and statusBar. self.setWindowTitle("{0} - {1}".format(Constants.applicationName, Constants.version)) self.toolBar = Application_QToolBar(self) self.addToolBar(self.toolBar) # Setting processing widget. self.Application_Progress_Status_processing = Processing(self, Qt.Window) self.statusBar.addPermanentWidget(self.Application_Progress_Status_processing) self.Application_Progress_Status_processing.hide() # --- Initializing the Components Manager. --- self.__splashscreen and self.__splashscreen.showMessage( "{0} - {1} | Initializing Components manager.".format(self.__class__.__name__, Constants.version), waitTime=0.25) self.__componentsManager = RuntimeGlobals.componentsManager = Manager(settings.componentsPaths) self.__componentsManager.registerComponents() if not self.__componentsManager.components: self.notificationsManager.warnify("{0} | '{1}' Components Manager has no Components!".format( self.__class__.__name__, Constants.applicationName)) self.__componentsManager.instantiateComponents(self.__componentsInstantiationCallback) # --- Activating requisite Components. --- self.__setComponents(requisite=True) # --- Activating others Components. --- self.__setComponents(requisite=False) # --- Initializing requestsStack. --- self.__setLocals() # Signals / Slots. self.__timer.timeout.connect(self.__processRequestsStack) # Hiding splashscreen. LOGGER.debug("> Hiding splashscreen.") if self.__splashscreen: self.__splashscreen.showMessage("{0} - {1} | Initialization done.".format( self.__class__.__name__, Constants.version)) self.__splashscreen.hide() # --- Running onStartup components methods. --- for component in self.__componentsManager.listComponents(): try: interface = self.__componentsManager.getInterface(component) if not interface: continue if interface.activated: hasattr(interface, "onStartup") and interface.onStartup() except Exception as error: umbra.reporter.baseExceptionHandler(umbra.exceptions.EngineInitializationError( "'{0}' Component 'onStartup' method raised an exception, unexpected behavior may occur!\n Exception raised: {1}".format( component, error))) self.__layoutsManager.restoreStartupLayout() # --- Running post initialisation method. --- hasattr(self, "onPostInitialisation") and self.onPostInitialisation() #****************************************************************************************************************** #*** Attributes properties. #****************************************************************************************************************** @property def timer(self): """ Property for **self.__timer** attribute. :return: self.__timer. :rtype: QTimer """ return self.__timer @timer.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def timer(self, value): """ Setter for **self.__timer** attribute. :param value: Attribute value. :type value: QTimer """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "timer")) @timer.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def timer(self): """ Deleter for **self.__timer** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "timer"))
@property def requestsStack(self): """ Property for **self.__requestsStack** attribute. :return: self.__requestsStack. ( collections.deque ) """ return self.__requestsStack @requestsStack.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def requestsStack(self, value): """ Setter for **self.__requestsStack** attribute. :param value: Attribute value. ( collections.deque ) """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "requestsStack")) @requestsStack.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def requestsStack(self): """ Deleter for **self.__requestsStack** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "requestsStack"))
@property def componentsPaths(self): """ Property for **self.__componentsPaths** attribute. :return: self.__componentsPaths. :rtype: tuple or list """ return self.__componentsPaths @componentsPaths.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def componentsPaths(self, value): """ Setter for **self.__componentsPaths** attribute. :param value: Attribute value. :type value: tuple or list """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "componentsPaths")) @componentsPaths.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def componentsPaths(self): """ Deleter for **self.__componentsPaths** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "componentsPaths"))
@property def requisiteComponents(self): """ Property for **self.__requisiteComponents** attribute. :return: self.__requisiteComponents. :rtype: tuple or list """ return self.__requisiteComponents @requisiteComponents.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def requisiteComponents(self, value): """ Setter for **self.__requisiteComponents** attribute. :param value: Attribute value. :type value: tuple or list """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "requisiteComponents")) @requisiteComponents.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def requisiteComponents(self): """ Deleter for **self.__requisiteComponents** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "requisiteComponents"))
@property def visibleComponents(self): """ Property for **self.__visibleComponents** attribute. :return: self.__visibleComponents. :rtype: tuple or list """ return self.__visibleComponents @visibleComponents.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(AssertionError) def visibleComponents(self, value): """ Setter for **self.__visibleComponents** attribute. :param value: Attribute value. :type value: tuple or list """ if value is not None: assert type(value) in (tuple, list), "'{0}' attribute: '{1}' type is not 'tuple' or 'list'!".format( "visibleComponents", value) for element in value: assert type(element) is unicode, "'{0}' attribute: '{1}' type is not 'unicode'!".format( "visibleComponents", element) self.__visibleComponents = value @visibleComponents.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def visibleComponents(self): """ Deleter for **self.__visibleComponents** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "visibleComponents"))
@property def splashscreen(self): """ Property for **self.__splashscreen** attribute. :return: self.__splashscreen. :rtype: Delayed_QSplashScreen """ return self.__splashscreen @splashscreen.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def splashscreen(self, value): """ Setter for **self.__splashscreen** attribute. :param value: Attribute value. :type value: Delayed_QSplashScreen """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "splashscreen")) @splashscreen.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def splashscreen(self): """ Deleter for **self.__splashscreen** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "splashscreen"))
@property def patchesManager(self): """ Property for **self.__patchesManager** attribute. :return: self.__patchesManager. :rtype: PatchesManager """ return self.__patchesManager @patchesManager.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def patchesManager(self, value): """ Setter for **self.__patchesManager** attribute. :param value: Attribute value. :type value: PatchesManager """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "patchesManager")) @patchesManager.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def patchesManager(self): """ Deleter for **self.__patchesManager** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "patchesManager"))
@property def componentsManager(self): """ Property for **self.__componentsManager** attribute. :return: self.__componentsManager. :rtype: ComponentsManager """ return self.__componentsManager @componentsManager.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def componentsManager(self, value): """ Setter for **self.__componentsManager** attribute. :param value: Attribute value. :type value: ComponentsManager """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "componentsManager")) @componentsManager.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def componentsManager(self): """ Deleter for **self.__componentsManager** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "componentsManager"))
@property def notificationsManager(self): """ Property for **self.__notificationsManager** attribute. :return: self.__notificationsManager. :rtype: NotificationsManager """ return self.__notificationsManager @notificationsManager.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def notificationsManager(self, value): """ Setter for **self.__notificationsManager** attribute. :param value: Attribute value. :type value: NotificationsManager """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "notificationsManager")) @notificationsManager.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def notificationsManager(self): """ Deleter for **self.__notificationsManager** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "notificationsManager"))
@property def actionsManager(self): """ Property for **self.__actionsManager** attribute. :return: self.__actionsManager. :rtype: ActionsManager """ return self.__actionsManager @actionsManager.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def actionsManager(self, value): """ Setter for **self.__actionsManager** attribute. :param value: Attribute value. :type value: ActionsManager """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "actionsManager")) @actionsManager.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def actionsManager(self): """ Deleter for **self.__actionsManager** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "actionsManager"))
@property def fileSystemEventsManager(self): """ Property for **self.__fileSystemEventsManager** attribute. :return: self.__fileSystemEventsManager. :rtype: FileSystemEventsManager """ return self.__fileSystemEventsManager @fileSystemEventsManager.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def fileSystemEventsManager(self, value): """ Setter for **self.__fileSystemEventsManager** attribute. :param value: Attribute value. :type value: FileSystemEventsManager """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "fileSystemEventsManager")) @fileSystemEventsManager.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def fileSystemEventsManager(self): """ Deleter for **self.__fileSystemEventsManager** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "fileSystemEventsManager"))
@property def layoutsManager(self): """ Property for **self.__layoutsManager** attribute. :return: self.__layoutsManager. :rtype: LayoutsManager """ return self.__layoutsManager @layoutsManager.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def layoutsManager(self, value): """ Setter for **self.__layoutsManager** attribute. :param value: Attribute value. :type value: LayoutsManager """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "layoutsManager")) @layoutsManager.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def layoutsManager(self): """ Deleter for **self.__layoutsManager** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "layoutsManager"))
@property def userApplicationDataDirectory(self): """ Property for **self.__userApplicationDataDirectory** attribute. :return: self.__userApplicationDataDirectory. :rtype: unicode """ return self.__userApplicationDataDirectory @userApplicationDataDirectory.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def userApplicationDataDirectory(self, value): """ Setter for **self.__userApplicationDataDirectory** attribute. :param value: Attribute value. :type value: unicode """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "userApplicationDataDirectory")) @userApplicationDataDirectory.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def userApplicationDataDirectory(self): """ Deleter for **self.__userApplicationDataDirectory** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "userApplicationDataDirectory"))
@property def loggingSessionHandler(self): """ Property for **self.__loggingSessionHandler** attribute. :return: self.__loggingSessionHandler. :rtype: Handler """ return self.__loggingSessionHandler @loggingSessionHandler.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def loggingSessionHandler(self, value): """ Setter for **self.__loggingSessionHandler** attribute. :param value: Attribute value. :type value: Handler """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "loggingSessionHandler")) @loggingSessionHandler.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def loggingSessionHandler(self): """ Deleter for **self.__loggingSessionHandler** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "loggingSessionHandler"))
@property def loggingFileHandler(self): """ Property for **self.__loggingFileHandler** attribute. :return: self.__loggingFileHandler. :rtype: Handler """ return self.__loggingFileHandler @loggingFileHandler.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def loggingFileHandler(self, value): """ Setter for **self.__loggingFileHandler** attribute. :param value: Attribute value. :type value: Handler """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "loggingFileHandler")) @loggingFileHandler.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def loggingFileHandler(self): """ Deleter for **self.__loggingFileHandler** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "loggingFileHandler"))
@property def loggingConsoleHandler(self): """ Property for **self.__loggingConsoleHandler** attribute. :return: self.__loggingConsoleHandler. :rtype: Handler """ return self.__loggingConsoleHandler @loggingConsoleHandler.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def loggingConsoleHandler(self, value): """ Setter for **self.__loggingConsoleHandler** attribute. :param value: Attribute value. :type value: Handler """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "loggingConsoleHandler")) @loggingConsoleHandler.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def loggingConsoleHandler(self): """ Deleter for **self.__loggingConsoleHandler** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "loggingConsoleHandler"))
@property # Oncilla: Statement commented by auto-documentation process: @foundations.trace.untracable def loggingSessionHandlerStream(self): """ Property for **self.__loggingSessionHandlerStream** attribute. :return: self.__loggingSessionHandlerStream. :rtype: StreamObject """ return self.__loggingSessionHandlerStream @loggingSessionHandlerStream.setter # Oncilla: Statement commented by auto-documentation process: @foundations.trace.untracable # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def loggingSessionHandlerStream(self, value): """ Setter for **self.__loggingSessionHandlerStream** attribute. :param value: Attribute value. :type value: StreamObject """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "loggingSessionHandlerStream")) @loggingSessionHandlerStream.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.trace.untracable # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def loggingSessionHandlerStream(self): """ Deleter for **self.__loggingSessionHandlerStream** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "loggingSessionHandlerStream"))
@property def loggingActiveFormatter(self): """ Property for **self.__loggingActiveFormatter** attribute. :return: self.__loggingActiveFormatter. :rtype: Formatter """ return self.__loggingActiveFormatter @loggingActiveFormatter.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(AssertionError) def loggingActiveFormatter(self, value): """ Setter for **self.__loggingActiveFormatter** attribute. :param value: Attribute value. :type value: unicode or QString """ if value is not None: assert type(value) in ( unicode, QString), "'{0}' attribute: '{1}' type is not 'unicode' or 'QString'!".format( "loggingActiveFormatter", value) self.__loggingActiveFormatter = value @loggingActiveFormatter.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def loggingActiveFormatter(self): """ Deleter for **self.__loggingActiveFormatter** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "loggingActiveFormatter"))
@property def verbosityLevel(self): """ Property for **self.__verbosityLevel** attribute. :return: self.__verbosityLevel. :rtype: int """ return self.__verbosityLevel @verbosityLevel.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(AssertionError) def verbosityLevel(self, value): """ Setter for **self.__verbosityLevel** attribute. :param value: Attribute value. :type value: int """ if value is not None: assert type(value) is int, "'{0}' attribute: '{1}' type is not 'int'!".format("verbosityLevel", value) assert value >= 0 and value <= 4, "'{0}' attribute: Value need to be exactly beetween 0 and 4!".format( "verbosityLevel") self.__verbosityLevel = value @verbosityLevel.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def verbosityLevel(self): """ Deleter for **self.__verbosityLevel** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "verbosityLevel"))
@property def settings(self): """ Property for **self.__settings** attribute. :return: self.__settings. :rtype: Preferences """ return self.__settings @settings.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def settings(self, value): """ Setter for **self.__settings** attribute. :param value: Attribute value. :type value: Preferences """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "settings")) @settings.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def settings(self): """ Deleter for **self.__settings** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "settings"))
@property def parameters(self): """ Property for **self.__parameters** attribute. :return: self.__parameters. :rtype: object """ return self.__parameters @parameters.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def parameters(self, value): """ Setter for **self.__parameters** attribute. :param value: Attribute value. :type value: object """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "parameters")) @parameters.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def parameters(self): """ Deleter for **self.__parameters** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "parameters"))
@property def arguments(self): """ Property for **self.__arguments** attribute. :return: self.__arguments. :rtype: list """ return self.__arguments @arguments.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def arguments(self, value): """ Setter for **self.__arguments** attribute. :param value: Attribute value. :type value: list """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "arguments")) @arguments.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def arguments(self): """ Deleter for **self.__arguments** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "arguments"))
@property def workerThreads(self): """ Property for **self.__workerThreads** attribute. :return: self.__workerThreads. :rtype: list """ return self.__workerThreads @workerThreads.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def workerThreads(self, value): """ Setter for **self.__workerThreads** attribute. :param value: Attribute value. :type value: list """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "workerThreads")) @workerThreads.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def workerThreads(self): """ Deleter for **self.__workerThreads** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "workerThreads"))
@property def isProcessing(self): """ Property for **self.__isProcessing** attribute. :return: self.__isProcessing. :rtype: bool """ return self.__isProcessing @isProcessing.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def isProcessing(self, value): """ Setter for **self.__isProcessing** attribute. :param value: Attribute value. :type value: bool """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "isProcessing")) @isProcessing.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def isProcessing(self): """ Deleter for **self.__isProcessing** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "isProcessing"))
@property def locals(self): """ Property for **self.__locals** attribute. :return: self.__locals. :rtype: dict """ return self.__locals @locals.setter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError) def locals(self, value): """ Setter for **self.__locals** attribute. :param value: Attribute value. :type value: dict """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "locals")) @locals.deleter # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
[docs] def locals(self): """ Deleter for **self.__locals** attribute. """ raise foundations.exceptions.ProgrammingError( "{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "locals")) #****************************************************************************************************************** #*** Class methods. #******************************************************************************************************************
[docs] def dragEnterEvent(self, event): """ Reimplements the :meth:`QWidget.dragEnterEvent` method. :param event: QEvent. :type event: QEvent """ LOGGER.debug("> Application drag enter event accepted!") event.accept()
[docs] def dragMoveEvent(self, event): """ Reimplements the :meth:`QWidget.dragMoveEvent` method. :param event: QEvent. :type event: QEvent """ LOGGER.debug("> Application drag move event accepted!") event.accept()
[docs] def dropEvent(self, event): """ Reimplements the :meth:`QWidget.dropEvent` method. :param event: QEvent. :type event: QEvent """ LOGGER.debug("> Application drop event accepted!") self.contentDropped.emit(event)
[docs] def show(self): """ Reimplements the :meth:`QWidget.show` method. """ super(Umbra, self).show(setGeometry=False)
[docs] def closeEvent(self, event): """ Reimplements the :meth:`QWidget.closeEvent` method. :param event: QEvent. :type event: QEvent """ self.quit(event=event)
[docs] def resizeEvent(self, event): """ Reimplements the :meth:`QWidget.resizeEvent` method. :param event: QEvent. :type event: QEvent """ LOGGER.debug("> Application resize event accepted!") self.sizeChanged.emit(event) event.accept()
def __setComponents(self, requisite=True): """ Sets the Components. :param requisite: Set only requisite Components. :type requisite: bool """ components = self.__componentsManager.listComponents() candidateComponents = \ getattr(set(components), "intersection" if requisite else "difference")(self.__requisiteComponents) deactivatedComponents = self.__settings.getKey("Settings", "deactivatedComponents").toString().split(",") candidateComponents = \ sorted(filter(lambda x: x not in deactivatedComponents, candidateComponents), key=(components).index) for component in candidateComponents: try: profile = self.__componentsManager.components[component] interface = self.__componentsManager.getInterface(component) setattr(self, "_{0}__{1}".format(self.__class__.__name__, foundations.namespace.getLeaf(component, ".")), interface) self.__splashscreen and self.__splashscreen.showMessage( "{0} - {1} | Activating {2}.".format(self.__class__.__name__, Constants.version, component)) interface.activate(self) if profile.category in ("Default", "QObject"): interface.initialize() elif profile.category == "QWidget": interface.addWidget() interface.initializeUi() except Exception as error: if requisite: message = "'{0}' Component failed to activate!\nException raised: {1}" handler = umbra.reporter.systemExitExceptionHandler else: message = "'{0}' Component failed to activate, unexpected behavior may occur!\nException raised: {1}" handler = umbra.reporter.baseExceptionHandler exception = manager.exceptions.ComponentActivationError(message.format(component, error)) handler(exception) def __setLocals(self): """ Sets the locals for the requestsStack. """ for globals in (Constants, RuntimeGlobals, UiConstants): self.__locals[globals.__name__] = globals self.__locals[Constants.applicationName] = self self.__locals["application"] = self self.__locals["patchesManager"] = self.__patchesManager self.__locals["componentsManager"] = self.__componentsManager self.__locals["actionsManager"] = self.__actionsManager self.__locals["fileSystemEventsManager"] = self.__fileSystemEventsManager self.__locals["notificationsManager"] = self.__notificationsManager self.__locals["layoutsManager"] = self.__layoutsManager self.__locals["LOGGER"] = LOGGER LOGGER.debug("> Defined locals: '{0}'.".format(self.__locals)) def __processRequestsStack(self): """ Process the requests stack. """ while self.__requestsStack: try: exec self.__requestsStack.popleft() in self.__locals except Exception as error: umbra.exceptions.notifyExceptionHandler(error) def __componentsInstantiationCallback(self, profile): """ Defines a callback for Components instantiation. :param profile: Component Profile. :type profile: Profile """ self.__splashscreen and self.__splashscreen.showMessage( "{0} - {1} | Instantiating {2} Component.".format(self.__class__.__name__, Constants.version, profile.name)) def __storeProcessingState(self): """ Stores the processing state. """ steps = self.Application_Progress_Status_processing.Processing_progressBar.maximum() value = self.Application_Progress_Status_processing.Processing_progressBar.value() message = self.Application_Progress_Status_processing.Processing_label.text() state = self.__isProcessing self.__processingState = steps, value, message, state def __restoreProcessingState(self): """ Restores the processing state. """ steps, value, message, state = self.__processingState self.Application_Progress_Status_processing.Processing_progressBar.setRange(0, steps) self.Application_Progress_Status_processing.Processing_progressBar.setValue(value) self.setProcessingMessage(message, warning=False) self.__isProcessing = state state and self.Application_Progress_Status_processing.show()
[docs] def setVerbosityLevel(self, verbosityLevel): """ Sets the Application verbosity level. :param verbosityLevel: Verbosity level. :type verbosityLevel: int :return: Method success. :rtype: bool :note: The expected verbosity level value is an integer between 0 to 4. """ self.__verbosityLevel = verbosityLevel foundations.verbose.setVerbosityLevel(verbosityLevel) self.__settings.setKey("Settings", "verbosityLevel", verbosityLevel) self.verbosityLevelChanged.emit(verbosityLevel) return True # Oncilla: Statement commented by auto-documentation process: # Oncilla: Statement commented by auto-documentation process: @foundations.exceptions.handleExceptions(foundations.exceptions.FileExistsError)
[docs] def setVisualStyle(self, fullScreenStyle=False): """ Sets the Application visual style. :param fullScreenStyle: Use fullscreen stylesheet file. :type fullScreenStyle: bool :return: Method success. :rtype: bool """ LOGGER.debug("> Setting Application visual style.") platformStyles = {"Windows": (("Windows", "Microsoft"), UiConstants.windowsStyle, UiConstants.windowsStylesheetFile, UiConstants.windowsFullScreenStylesheetFile), "Darwin": (("Darwin",), UiConstants.darwinStyle, UiConstants.darwinStylesheetFile, UiConstants.darwinFullScreenStylesheetFile), "Linux": (("Linux",), UiConstants.linuxStyle, UiConstants.linuxStylesheetFile, UiConstants.linuxFullScreenStylesheetFile)} styleSheetFile = None for platformStyle, settings in platformStyles.iteritems(): LOGGER.debug("> Setting '{0}' visual style.".format(platformStyle)) platformSystems, style, styleSheeFile, fullScreenStyleSheetFile = settings if platform.system() in platformSystems: RuntimeGlobals.application.setStyle(style) styleSheetPath = umbra.ui.common.getResourcePath(styleSheeFile) if fullScreenStyle: fullScreenStyleSheetPath = umbra.ui.common.getResourcePath(fullScreenStyleSheetFile, raiseException=False) styleSheetPath = fullScreenStyleSheetPath or styleSheetPath styleSheetFile = foundations.io.File(styleSheetPath) break if not styleSheetFile: raise foundations.exceptions.FileExistsError( "{0} | No stylesheet file found, visual style will not be applied!".format(self.__class__.__name__)) if foundations.common.pathExists(styleSheetFile.path): LOGGER.debug("> Reading style sheet file: '{0}'.".format(styleSheetFile.path)) styleSheetFile.cache() for i, line in enumerate(styleSheetFile.content): search = re.search(r"url\((?P<url>.*)\)", line) if not search: continue styleSheetFile.content[i] = line.replace(search.group("url"), foundations.strings.toForwardSlashes( umbra.ui.common.getResourcePath(search.group("url")))) RuntimeGlobals.application.setStyleSheet(QString("".join(styleSheetFile.content))) return True else: raise foundations.exceptions.FileExistsError( "{0} | '{1}' stylesheet file is not available, visual style will not be applied!".format( self.__class__.__name__, styleSheetFile.path))
[docs] def isFullScreen(self): """ Returns if Application is in fullscreen state. :return: FullScreen state. :rtype: bool """ return self.windowState().__int__() == 4 and True or False
[docs] def toggleFullScreen(self, *args): """ Toggles Application fullscreen state. :param \*args: Arguments. :type \*args: \* :return: Method success. :rtype: bool """ LOGGER.debug("> Toggling FullScreen state.") if self.isFullScreen(): self.setUnifiedTitleAndToolBarOnMac(True) self.setVisualStyle(fullScreenStyle=False) self.showNormal() # TODO: Remove hack that ensure toolBar is repainted. platform.system() == "Darwin" and self.resize(self.size().width() + 1, self.size().height() + 1) else: self.setUnifiedTitleAndToolBarOnMac(False) self.setVisualStyle(fullScreenStyle=True) self.showFullScreen() return True
[docs] def processEvents(self, flags=QEventLoop.AllEvents): """ Process Application events. :param flags: Events flags. :type flags: int :return: Method success. :rtype: bool """ QApplication.processEvents(flags) return True
[docs] def setProcessingMessage(self, message, warning=True): """ Sets the processing operation message. :param message: Operation description. :type message: unicode :param warning: Emit warning message. :type warning: int :return: Method success. :rtype: bool """ if not self.__isProcessing: warning and LOGGER.warning( "!> {0} | Engine not processing, 'setProcessingMessage' request has been ignored!".format( self.__class__.__name__)) return False LOGGER.debug("> Setting processing message!") self.Application_Progress_Status_processing.Processing_label.setText(message) self.processEvents() return True
[docs] def startProcessing(self, message, steps=0, warning=True): """ Registers the start of a processing operation. :param message: Operation description. :type message: unicode :param steps: Operation steps. :type steps: int :param warning: Emit warning message. :type warning: int :return: Method success. :rtype: bool """ if self.__isProcessing: warning and LOGGER.warning( "!> {0} | Engine is already processing, 'startProcessing' request has been ignored!".format( self.__class__.__name__)) return False LOGGER.debug("> Starting processing operation!") self.__isProcessing = True self.Application_Progress_Status_processing.Processing_progressBar.setRange(0, steps) self.Application_Progress_Status_processing.Processing_progressBar.setValue(0) self.Application_Progress_Status_processing.show() self.setProcessingMessage(message) return True
[docs] def stepProcessing(self, warning=True): """ Steps the processing operation progress indicator. :param warning: Emit warning message. :type warning: int :return: Method success. :rtype: bool """ if not self.__isProcessing: warning and LOGGER.warning( "!> {0} | Engine is not processing, 'stepProcessing' request has been ignored!".format( self.__class__.__name__)) return False LOGGER.debug("> Stepping processing operation!") self.Application_Progress_Status_processing.Processing_progressBar.setValue( self.Application_Progress_Status_processing.Processing_progressBar.value() + 1) self.processEvents() return True
[docs] def stopProcessing(self, warning=True): """ Registers the end of a processing operation. :param warning: Emit warning message. :type warning: int :return: Method success. :rtype: bool """ if not self.__isProcessing: warning and LOGGER.warning( "!> {0} | Engine is not processing, 'stopProcessing' request has been ignored!".format( self.__class__.__name__)) return False LOGGER.debug("> Stopping processing operation!") self.__isProcessing = False self.Application_Progress_Status_processing.Processing_label.setText(QString()) self.Application_Progress_Status_processing.Processing_progressBar.setRange(0, 100) self.Application_Progress_Status_processing.Processing_progressBar.setValue(0) self.Application_Progress_Status_processing.hide() return True
[docs] def garbageCollect(self): """ Triggers the garbage collecting. :return: Number of unreachable objects found. :rtype: int """ LOGGER.debug("> Garbage collecting!") return gc.collect()
[docs] def quit(self, exitCode=0, event=None): """ Quits the Application. :param exitCode: Exit code. :type exitCode: int :param event: QEvent. :type event: QEvent """ # --- Running onClose components methods. --- for component in reversed(self.__componentsManager.listComponents()): interface = self.__componentsManager.getInterface(component) if not interface: continue if not interface.activated: continue if not hasattr(interface, "onClose"): continue if not interface.onClose(): event and event.ignore() return # Storing current layout. self.__layoutsManager.storeStartupLayout() self.__settings.settings.sync() # Stopping worker threads. for workerThread in self.__workerThreads: LOGGER.debug("> Stopping worker thread: '{0}'.".format(workerThread)) if not workerThread.isFinished(): workerThread.quit() workerThread.wait() foundations.verbose.removeLoggingHandler(self.__loggingFileHandler) foundations.verbose.removeLoggingHandler(self.__loggingSessionHandler) # foundations.verbose.removeLoggingHandler(self.__loggingConsoleHandler) # Stopping the Application timer. self.__timer.stop() self.__timer = None self.deleteLater() event and event.accept() exit(exitCode) # Oncilla: Statement commented by auto-documentation process: # Oncilla: Statement commented by auto-documentation process: @umbra.reporter.criticalExceptionHandler
[docs]def setUserApplicationDataDirectory(directory): """ Sets the user Application data directory. :param directory: Starting point for the directories tree creation. :type directory: unicode :return: Definition success. :rtype: bool """ LOGGER.debug("> Current Application data directory '{0}'.".format(directory)) if foundations.io.setDirectory(directory): for subDirectory in Constants.preferencesDirectories: if not foundations.io.setDirectory(os.path.join(directory, subDirectory)): raise OSError("{0} | '{1}' directory creation failed , '{2}' will now close!".format( __name__, os.path.join(directory, subDirectory), Constants.applicationName)) return True else: raise OSError("{0} | '{1}' directory creation failed , '{2}' will now close!".format(__name__, directory, Constants.applicationName))
[docs]def getCommandLineParametersParser(): """ Returns the command line parameters parser. :return: Parser. :rtype: Parser """ parser = optparse.OptionParser(formatter=optparse.IndentedHelpFormatter(indent_increment=2, max_help_position=8, width=128, short_first=1), add_help_option=None) parser.add_option("-h", "--help", action="help", help="'Display this help message and exit.'") parser.add_option("-a", "--about", action="store_true", default=False, dest="about", help="'Display Application about message.'") parser.add_option("-v", "--verbose", action="store", type="int", dest="verbosityLevel", help="'Application verbosity levels: 0 = Critical | 1 = Error | 2 = Warning | 3 = Info | 4 = Debug.'") parser.add_option("-f", "--loggingFormatter", action="store", type="string", dest="loggingFormatter", help="'Application logging formatter: '{0}'.'".format( ", ".join(sorted(RuntimeGlobals.loggingFormatters)))) parser.add_option("-u", "--userApplicationDataDirectory", action="store", type="string", dest="userApplicationDataDirectory", help="'User Application data directory'.") parser.add_option("-s", "--hideSplashScreen", action="store_true", default=False, dest="hideSplashScreen", help="'Hide splashscreen'.") parser.add_option("-w", "--deactivateWorkerThreads", action="store_true", default=False, dest="deactivateWorkerThreads", help="'Deactivate worker threads'.") parser.add_option("-x", "--startupScript", action="store", type="string", dest="startupScript", help="'Execute given startup script'.") parser.add_option("-t", "--traceModules", action="store", default="{}", type="string", dest="traceModules", help="'Trace given modules'.") return parser # Oncilla: Statement commented by auto-documentation process: # Oncilla: Statement commented by auto-documentation process: @umbra.reporter.criticalExceptionHandler
[docs]def getLoggingFile(maximumLoggingFiles=10, retries=2 ^ 16): """ Returns the logging file path. :param maximumLoggingFiles: Maximum allowed logging files in the logging directory. :type maximumLoggingFiles: int :param retries: Number of retries to generate a unique logging file name. :type retries: int :return: Logging file path. :rtype: unicode """ loggingDirectory = os.path.join(RuntimeGlobals.userApplicationDataDirectory, Constants.loggingDirectory) for file in sorted(foundations.walkers.filesWalker(loggingDirectory), key=lambda y: os.path.getmtime(os.path.abspath(y)), reverse=True)[maximumLoggingFiles:]: try: os.remove(file) except OSError: LOGGER.warning( "!> {0} | Cannot remove '{1}' file!".format(__name__, file, Constants.applicationName)) path = None for i in range(retries): path = os.path.join(RuntimeGlobals.userApplicationDataDirectory, Constants.loggingDirectory, Constants.loggingFile.format(foundations.strings.getRandomSequence())) if not os.path.exists(path): break if path is None: raise umbra.exceptions.EngineConfigurationError( "{0} | Logging file is not available, '{1}' will now close!".format(__name__, Constants.applicationName)) LOGGER.debug("> Current Logging file: '{0}'".format(path)) return path # Oncilla: Statement commented by auto-documentation process: # Oncilla: Statement commented by auto-documentation process: @umbra.reporter.criticalExceptionHandler
[docs]def run(engine, parameters, componentsPaths=None, requisiteComponents=None, visibleComponents=None): """ Starts the Application. :param engine: Engine. :type engine: QObject :param parameters: Command line parameters. :type parameters: tuple :param componentsPaths: Components componentsPaths. :type componentsPaths: tuple or list :param requisiteComponents: Requisite components names. :type requisiteComponents: tuple or list :param visibleComponents: Visible components names. :type visibleComponents: tuple or list :return: Definition success. :rtype: bool """ # Command line parameters handling. RuntimeGlobals.parameters, RuntimeGlobals.arguments = parameters foundations.trace.evaluateTraceRequest(RuntimeGlobals.parameters.traceModules, foundations.verbose.tracer) if RuntimeGlobals.parameters.about: for line in SESSION_HEADER_TEXT: sys.stdout.write("{0}\n".format(line)) foundations.core.exit(1) # Redirecting standard output and error messages. sys.stdout = foundations.verbose.StandardOutputStreamer(LOGGER) sys.stderr = foundations.verbose.StandardOutputStreamer(LOGGER) # Setting application verbose level. foundations.verbose.setVerbosityLevel(4) # Setting user application data directory. if RuntimeGlobals.parameters.userApplicationDataDirectory: userApplicationDataDirectory = RuntimeGlobals.userApplicationDataDirectory = \ RuntimeGlobals.parameters.userApplicationDataDirectory else: userApplicationDataDirectory = RuntimeGlobals.userApplicationDataDirectory = \ foundations.environment.getUserApplicationDataDirectory() if not setUserApplicationDataDirectory(userApplicationDataDirectory): raise umbra.exceptions.EngineConfigurationError( "{0} | '{1}' user Application data directory is not available, '{2}' will now close!".format( __name__, RuntimeGlobals.userApplicationDataDirectory, Constants.applicationName)) if foundations.environment.getTemporaryDirectory() in userApplicationDataDirectory: umbra.ui.widgets.messageBox.messageBox("Error", "Error", "{0} failed to use the default user Application data directory to store its preferences \ and has defaulted to the following directory:\n\n\t'{1}'.\n\nReasons for this are various:\n\ \t- Undefined 'APPDATA' ( Windows ) or 'HOME' ( Mac Os X, Linux ) environment variables.\n\ \t- User name with non 'UTF-8' encoding compliant characters.\n\ \t- Non 'UTF-8' encoding compliant characters in the preferences directory path.\n\n\ You will have to define your own preferences directory by launching {0} with the \ '-u \"path\\to\\the\\custom\\preferences\\directory\"' command line parameter.".format( Constants.applicationName, userApplicationDataDirectory)) LOGGER.debug("> Application Python interpreter: '{0}'".format(sys.executable)) LOGGER.debug("> Application PyQt version: '{0}'".format(PYQT_VERSION_STR)) LOGGER.debug("> Application startup location: '{0}'".format(os.getcwd())) LOGGER.debug("> Session user Application data directory: '{0}'".format(RuntimeGlobals.userApplicationDataDirectory)) LOGGER.debug("> Initializing '{0}'!".format(Constants.applicationName)) # Getting the logging file path. RuntimeGlobals.loggingFile = getLoggingFile() RuntimeGlobals.loggingFileHandler = foundations.verbose.getLoggingFileHandler(file=RuntimeGlobals.loggingFile) # Getting the patches file path. RuntimeGlobals.patchesFile = os.path.join(RuntimeGlobals.userApplicationDataDirectory, Constants.patchesDirectory, Constants.patchesFile) # Initializing the patches manager. RuntimeGlobals.patchesManager = umbra.managers.patchesManager.PatchesManager(RuntimeGlobals.patchesFile, [os.path.join(path, Constants.patchesDirectory) for path in RuntimeGlobals.resourcesDirectories]) RuntimeGlobals.patchesManager.registerPatches() and RuntimeGlobals.patchesManager.applyPatches() # Retrieving settings file. RuntimeGlobals.settingsFile = os.path.join(RuntimeGlobals.userApplicationDataDirectory, Constants.settingsDirectory, Constants.settingsFile) RuntimeGlobals.settings = Preferences(RuntimeGlobals.settingsFile) LOGGER.debug("> Retrieving default layouts.") RuntimeGlobals.settings.setDefaultLayouts(("startupCentric",)) foundations.common.pathExists(RuntimeGlobals.settingsFile) or RuntimeGlobals.settings.setDefaultPreferences() LOGGER.debug("> Retrieving stored verbose level.") RuntimeGlobals.verbosityLevel = RuntimeGlobals.parameters.verbosityLevel \ if RuntimeGlobals.parameters.verbosityLevel is not None else \ foundations.common.getFirstItem(RuntimeGlobals.settings.getKey("Settings", "verbosityLevel").toInt()) LOGGER.debug("> Setting logger verbosity level to: '{0}'.".format(RuntimeGlobals.verbosityLevel)) foundations.verbose.setVerbosityLevel(RuntimeGlobals.verbosityLevel) RuntimeGlobals.settings.setKey("Settings", "verbosityLevel", RuntimeGlobals.verbosityLevel) LOGGER.debug("> Retrieving stored logging formatter.") loggingFormatter = RuntimeGlobals.parameters.loggingFormatter if RuntimeGlobals.parameters.loggingFormatter is not None else \ foundations.strings.toString(RuntimeGlobals.settings.getKey("Settings", "loggingFormatter").toString()) loggingFormatter = loggingFormatter if loggingFormatter in RuntimeGlobals.loggingFormatters else None RuntimeGlobals.loggingActiveFormatter = loggingFormatter if loggingFormatter is not None else Constants.loggingDefaultFormatter LOGGER.debug("> Setting logging formatter: '{0}'.".format(RuntimeGlobals.loggingActiveFormatter)) for handler in (RuntimeGlobals.loggingConsoleHandler, RuntimeGlobals.loggingFileHandler): handler and handler.setFormatter(RuntimeGlobals.loggingFormatters[RuntimeGlobals.loggingActiveFormatter]) # Starting the session handler. RuntimeGlobals.loggingSessionHandler = foundations.verbose.getLoggingStreamHandler() RuntimeGlobals.loggingSessionHandlerStream = RuntimeGlobals.loggingSessionHandler.stream LOGGER.info(Constants.loggingSeparators) for line in SESSION_HEADER_TEXT: LOGGER.info(line) LOGGER.info("{0} | Session started at: {1}".format(Constants.applicationName, time.strftime('%X - %x'))) LOGGER.info(Constants.loggingSeparators) LOGGER.info("{0} | Starting Interface!".format(Constants.applicationName)) # Initializing splashscreen. if RuntimeGlobals.parameters.hideSplashScreen: LOGGER.debug("> SplashScreen skipped by 'hideSplashScreen' command line parameter.") else: LOGGER.debug("> Initializing splashscreen.") RuntimeGlobals.splashscreenImage = QPixmap(umbra.ui.common.getResourcePath(UiConstants.splashScreenImage)) RuntimeGlobals.splashscreen = Delayed_QSplashScreen(RuntimeGlobals.splashscreenImage, textColor=Qt.white) RuntimeGlobals.splashscreen.showMessage( "{0} - {1} | Initializing {0}.".format(Constants.applicationName, Constants.version)) RuntimeGlobals.splashscreen.show() # Initializing requests stack. RuntimeGlobals.requestsStack = collections.deque() # Initializing engine. RuntimeGlobals.engine = engine(parent=None, componentsPaths=componentsPaths, requisiteComponents=requisiteComponents, visibleComponents=visibleComponents, splashscreen=RuntimeGlobals.splashscreen, requestsStack=RuntimeGlobals.requestsStack, patchesManager=RuntimeGlobals.patchesManager, userApplicationDataDirectory=RuntimeGlobals.userApplicationDataDirectory, loggingSessionHandler=RuntimeGlobals.loggingSessionHandler, loggingFileHandler=RuntimeGlobals.loggingFileHandler, loggingConsoleHandler=RuntimeGlobals.loggingConsoleHandler, loggingSessionHandlerStream=RuntimeGlobals.loggingSessionHandlerStream, loggingActiveFormatter=RuntimeGlobals.loggingActiveFormatter, settings=RuntimeGlobals.settings, verbosityLevel=RuntimeGlobals.verbosityLevel, parameters=RuntimeGlobals.parameters, arguments=RuntimeGlobals.arguments) RuntimeGlobals.engine.show() RuntimeGlobals.engine.raise_() return sys.exit(RuntimeGlobals.application.exec_())
[docs]def exit(exitCode=0): """ Exits the Application. :param exitCode: Exit code. :type exitCode: int """ for line in SESSION_FOOTER_TEXT: LOGGER.info(line) foundations.verbose.removeLoggingHandler(RuntimeGlobals.loggingConsoleHandler) RuntimeGlobals.application.exit(exitCode)