def initialize(self):
"""
Initializes the Component.
:return: Method success.
:rtype: bool
"""
LOGGER.debug("> Initializing '{0}' Component.".format(self.__class__.__name__))
LOGGER.debug("> Initializing '{0}' SQLiteDatabase.".format(Constants.databaseFile))
if self.__engine.parameters.databaseDirectory:
if foundations.common.pathExists(self.__engine.parameters.databaseDirectory):
self.__databaseName = os.path.join(self.__engine.parameters.databaseDirectory, Constants.databaseFile)
else:
raise foundations.exceptions.DirectoryExistsError(
"{0} | '{1}' Database storing directory doesn't exists, {2} will now close!".format(
self.__class__.__name__, self.__engine.parameters.databaseDirectory, Constants.applicationName))
else:
self.__databaseName = os.path.join(self.__engine.userApplicationDataDirectory,
Constants.databaseDirectory,
Constants.databaseFile)
LOGGER.info("{0} | Session Database location: '{1}'.".format(self.__class__.__name__, self.__databaseName))
self.__databaseConnectionString = "sqlite:///{0}".format(self.__databaseName)
if foundations.common.pathExists(self.__databaseName):
if not self.__engine.parameters.databaseReadOnly:
backupDestination = os.path.join(os.path.dirname(self.databaseName), self.__databaseBackupDirectory)
LOGGER.info("{0} | Backing up '{1}' Database to '{2}'!".format(self.__class__.__name__,
Constants.databaseFile,
backupDestination))
rotatingBackup = RotatingBackup(self.__databaseName, backupDestination, self.__databaseBackupCount)
rotatingBackup.backup()
else:
LOGGER.info("{0} | Database backup deactivated by '{1}' command line parameter value!".format(
self.__class__.__name__, "databaseReadOnly"))
LOGGER.debug("> Creating Database engine.")
self.__databaseEngine = sqlalchemy.create_engine(self.__databaseConnectionString)
LOGGER.debug("> Creating Database metadata.")
self.__databaseCatalog = Base.metadata
self.__databaseCatalog.create_all(self.__databaseEngine)
LOGGER.debug("> Initializing Database session.")
self.__databaseSessionMaker = sibl_gui.components.core.database.operations.DEFAULT_SESSION_MAKER = \
sqlalchemy.orm.sessionmaker(bind=self.__databaseEngine)
self.__databaseSession = sibl_gui.components.core.database.operations.DEFAULT_SESSION = \
self.__databaseSessionMaker()
self.initialized = True
return True
def testBackup(self):
"""
Tests :meth:`foundations.rotatingBackup.RotatingBackup.backup` method.
"""
tempDirectory = tempfile.mkdtemp()
rotatingBackup = RotatingBackup(TEST_FILE, tempDirectory, 3)
rotatingBackup.backup()
self.assertTrue(os.path.exists(os.path.join(tempDirectory, os.path.basename(TEST_FILE))))
for i in range(1, 4):
rotatingBackup.backup()
self.assertTrue(os.path.exists(os.path.join(tempDirectory, os.path.basename("{0}.{1}".format(TEST_FILE, i)))))
rotatingBackup.backup()
self.assertFalse(os.path.exists(os.path.join(tempDirectory, os.path.basename("{0}.4".format(TEST_FILE)))))
shutil.rmtree(tempDirectory)
def testBackup(self):
"""
This method tests :meth:`foundations.rotatingBackup.RotatingBackup.backup` method.
"""
tempDirectory = tempfile.mkdtemp()
rotatingBackup = RotatingBackup(TEST_FILE, tempDirectory, 3)
rotatingBackup.backup()
self.assertTrue(
os.path.exists(
os.path.join(tempDirectory, os.path.basename(TEST_FILE))))
for i in range(1, 4):
rotatingBackup.backup()
self.assertTrue(
os.path.exists(
os.path.join(
tempDirectory,
os.path.basename("{0}.{1}".format(TEST_FILE, i)))))
rotatingBackup.backup()
self.assertFalse(
os.path.exists(
os.path.join(tempDirectory,
os.path.basename("{0}.4".format(TEST_FILE)))))
shutil.rmtree(tempDirectory)
def initialize(self):
"""
Initializes the Component.
:return: Method success.
:rtype: bool
"""
LOGGER.debug("> Initializing '{0}' Component.".format(
self.__class__.__name__))
LOGGER.debug("> Initializing '{0}' SQLiteDatabase.".format(
Constants.databaseFile))
if self.__engine.parameters.databaseDirectory:
if foundations.common.pathExists(
self.__engine.parameters.databaseDirectory):
self.__databaseName = os.path.join(
self.__engine.parameters.databaseDirectory,
Constants.databaseFile)
else:
raise foundations.exceptions.DirectoryExistsError(
"{0} | '{1}' Database storing directory doesn't exists, {2} will now close!"
.format(self.__class__.__name__,
self.__engine.parameters.databaseDirectory,
Constants.applicationName))
else:
self.__databaseName = os.path.join(
self.__engine.userApplicationDataDirectory,
Constants.databaseDirectory, Constants.databaseFile)
LOGGER.info("{0} | Session Database location: '{1}'.".format(
self.__class__.__name__, self.__databaseName))
self.__databaseConnectionString = "sqlite:///{0}".format(
self.__databaseName)
if foundations.common.pathExists(self.__databaseName):
if not self.__engine.parameters.databaseReadOnly:
backupDestination = os.path.join(
os.path.dirname(self.databaseName),
self.__databaseBackupDirectory)
LOGGER.info("{0} | Backing up '{1}' Database to '{2}'!".format(
self.__class__.__name__, Constants.databaseFile,
backupDestination))
rotatingBackup = RotatingBackup(self.__databaseName,
backupDestination,
self.__databaseBackupCount)
rotatingBackup.backup()
else:
LOGGER.info(
"{0} | Database backup deactivated by '{1}' command line parameter value!"
.format(self.__class__.__name__, "databaseReadOnly"))
LOGGER.debug("> Creating Database engine.")
self.__databaseEngine = sqlalchemy.create_engine(
self.__databaseConnectionString)
LOGGER.debug("> Creating Database metadata.")
self.__databaseCatalog = Base.metadata
self.__databaseCatalog.create_all(self.__databaseEngine)
LOGGER.debug("> Initializing Database session.")
self.__databaseSessionMaker = sibl_gui.components.core.database.operations.DEFAULT_SESSION_MAKER = \
sqlalchemy.orm.sessionmaker(bind=self.__databaseEngine)
self.__databaseSession = sibl_gui.components.core.database.operations.DEFAULT_SESSION = \
self.__databaseSessionMaker()
self.initialized = True
return True
