def __setPyQt4API(element, api_version=2):
try:
ver = sip.getapi(element)
except ValueError:
ver = -1
if ver < 0:
try:
sip.setapi(element, api_version)
log.debug("%s API set to version %d",
element, sip.getapi("QString"))
except ValueError:
log.warning("Error setting %s API to version %s", element,
api_version, exc_info=1)
return False
elif ver < api_version:
log.info("%s API set to version %s (advised: version >= %s)",
element, ver, api_version)
return True
def Application(argv=None, **properties):
"""Returns a QApplication.
If the process has initialized before a QApplication it returns the
existing instance, otherwise it creates a new one.
When a QApplication is created it takes argv into account. If argv is
None (default), it take arguments from :attr:`sys.argv`.
If argv is given and a QApplication already exists, argv will have no
effect.
:param argv: optional arguments to QApplication. If the QApplication is
already initialized, argv will have no effect.
Example::
from qarbon.external.qt import QtGui
from qarbon.qt.gui.application import Application
app = Application()
label = QtGui.QLabel("Hello, world!")
label.show()
app.exec_()
:param properties: currently unused
:return: the QApplication
:rtype: QtGui.QApplication"""
init_logging = properties.get('init_logging', False)
if init_logging:
log.initialize()
from qarbon.external.qt import QtGui
app = QtGui.QApplication.instance()
if app is None:
if argv is None:
from sys import argv
app = QtGui.QApplication(argv)
elif argv:
log.info("QApplication already initialized. argv will have no "
"effect")
return app
def __setPyQt4API(element, api_version=2):
try:
ver = sip.getapi(element)
except ValueError:
ver = -1
if ver < 0:
try:
sip.setapi(element, api_version)
log.debug("%s API set to version %d", element,
sip.getapi("QString"))
except ValueError:
log.warning("Error setting %s API to version %s",
element,
api_version,
exc_info=1)
return False
elif ver < api_version:
log.info("%s API set to version %s (advised: version >= %s)", element,
ver, api_version)
return True
def Application(argv=None, **kwargs):
"""Returns a QApplication.
If the process has initialized before a QApplication it returns the
existing instance, otherwise it creates a new one.
When a QApplication is created it takes argv into account. If argv is
None (default), it take arguments from :attr:`sys.argv`.
If argv is given and a QApplication already exists, argv will have no
effect.
:param argv: optional arguments to QApplication. If the QApplication is
already initialized, argv will have no effect.
Example::
from qarbon.external.qt import QtGui
from qarbon.qt.gui.application import Application
app = Application()
label = QtGui.QLabel("Hello, world!")
label.show()
app.exec_()
:param kwargs: currently unused
:return: the QApplication
:rtype: QtGui.QApplication"""
# It is important to initialize logging before Qt because Qt might
# fire some log messages
init_logging = kwargs.get('init_logging', False)
if init_logging:
log.initialize()
from qarbon.external.qt import QtGui
app = QtGui.QApplication.instance()
if app is None:
if argv is None:
from sys import argv
app = QtGui.QApplication(argv)
init_application = kwargs.get('init_application', True)
init_organization = kwargs.get('init_organization', True)
if init_application:
app_name = kwargs.get('application_name', config.APPLICATION_NAME)
app.setApplicationName(app_name)
app_version = kwargs.get('application_version',
config.APPLICATION_VERSION)
app.setApplicationVersion(app_version)
if init_organization:
org_name = kwargs.get('organization_name',
config.ORGANIZATION_NAME)
app.setOrganizationName(org_name)
org_domain = kwargs.get('organization_domain',
config.ORGANIZATION_DOMAIN)
app.setOrganizationDomain(org_domain)
elif argv:
log.info("QApplication already initialized. argv will have no "
"effect")
return app
def Application(argv=None, **kwargs):
"""Returns a QApplication.
If the process has initialized before a QApplication it returns the
existing instance, otherwise it creates a new one.
When a QApplication is created it takes argv into account. If argv is
None (default), it take arguments from :attr:`sys.argv`.
If argv is given and a QApplication already exists, argv will have no
effect.
:param argv: optional arguments to QApplication. If the QApplication is
already initialized, argv will have no effect.
Example::
from qarbon.external.qt import QtGui
from qarbon.qt.gui.application import Application
app = Application()
label = QtGui.QLabel("Hello, world!")
label.show()
app.exec_()
:param kwargs: currently unused
:return: the QApplication
:rtype: QtGui.QApplication"""
# It is important to initialize logging before Qt because Qt might
# fire some log messages
init_logging = kwargs.get('init_logging', False)
if init_logging:
log.initialize()
from qarbon.external.qt import QtGui
app = QtGui.QApplication.instance()
if app is None:
if argv is None:
from sys import argv
app = QtGui.QApplication(argv)
init_application = kwargs.get('init_application', True)
init_organization = kwargs.get('init_organization', True)
if init_application:
app_name = kwargs.get('application_name', config.APPLICATION_NAME)
app.setApplicationName(app_name)
app_version = kwargs.get('application_version',
config.APPLICATION_VERSION)
app.setApplicationVersion(app_version)
if init_organization:
org_name = kwargs.get('organization_name',
config.ORGANIZATION_NAME)
app.setOrganizationName(org_name)
org_domain = kwargs.get('organization_domain',
config.ORGANIZATION_DOMAIN)
app.setOrganizationDomain(org_domain)
elif argv:
log.info("QApplication already initialized. argv will have no "
"effect")
return app
