def must_use_qt():
global gui_thread, _store_app
if (islinux or isbsd) and ":" not in os.environ.get("DISPLAY", ""):
raise RuntimeError("X server required. If you are running on a" " headless machine, use xvfb")
if _store_app is None and QApplication.instance() is None:
_store_app = QApplication([])
if gui_thread is None:
gui_thread = QThread.currentThread()
if gui_thread is not QThread.currentThread():
raise RuntimeError("Cannot use Qt in non GUI thread")
def must_use_qt():
global gui_thread, _store_app
if (islinux or isbsd) and ':' not in os.environ.get('DISPLAY', ''):
raise RuntimeError('X server required. If you are running on a'
' headless machine, use xvfb')
if _store_app is None and QApplication.instance() is None:
_store_app = QApplication([])
if gui_thread is None:
gui_thread = QThread.currentThread()
if gui_thread is not QThread.currentThread():
raise RuntimeError('Cannot use Qt in non GUI thread')
def __init__(self,
args,
force_calibre_style=False,
override_program_name=None):
self.file_event_hook = None
if override_program_name:
args = [override_program_name] + args[1:]
qargs = [
i.encode('utf-8') if isinstance(i, unicode) else i for i in args
]
self.pi = plugins['progress_indicator'][0]
if DEBUG:
self.redirect_notify = True
QApplication.__init__(self, qargs)
dl = QLocale(get_lang())
if unicode(dl.bcp47Name()) != u'C':
QLocale.setDefault(dl)
global gui_thread, qt_app
gui_thread = QThread.currentThread()
self._translator = None
self.load_translations()
qt_app = self
self._file_open_paths = []
self._file_open_lock = RLock()
self.setup_styles(force_calibre_style)
def __init__(self, func, queued=True, parent=None):
global gui_thread
if gui_thread is None:
gui_thread = QThread.currentThread()
if not is_gui_thread():
raise ValueError("You can only create a FunctionDispatcher in the GUI thread")
QObject.__init__(self, parent)
self.func = func
typ = Qt.QueuedConnection
if not queued:
typ = Qt.AutoConnection if queued is None else Qt.DirectConnection
self.dispatch_signal.connect(self.dispatch, type=typ)
self.q = Queue.Queue()
self.lock = threading.Lock()
def __init__(self, func, queued=True, parent=None):
global gui_thread
if gui_thread is None:
gui_thread = QThread.currentThread()
if not is_gui_thread():
raise ValueError(
'You can only create a FunctionDispatcher in the GUI thread')
QObject.__init__(self, parent)
self.func = func
typ = Qt.QueuedConnection
if not queued:
typ = Qt.AutoConnection if queued is None else Qt.DirectConnection
self.dispatch_signal.connect(self.dispatch, type=typ)
self.q = Queue.Queue()
self.lock = threading.Lock()
def __init__(self, args, force_calibre_style=False, override_program_name=None):
self.file_event_hook = None
if override_program_name:
args = [override_program_name] + args[1:]
qargs = [i.encode("utf-8") if isinstance(i, unicode) else i for i in args]
self.pi = plugins["progress_indicator"][0]
if DEBUG:
self.redirect_notify = True
QApplication.__init__(self, qargs)
global gui_thread, qt_app
gui_thread = QThread.currentThread()
self._translator = None
self.load_translations()
qt_app = self
self._file_open_paths = []
self._file_open_lock = RLock()
self.setup_styles(force_calibre_style)
def __init__(self,
args,
force_calibre_style=False,
override_program_name=None):
self.file_event_hook = None
if override_program_name:
args = [override_program_name] + args[1:]
qargs = [
i.encode('utf-8') if isinstance(i, unicode) else i for i in args
]
QApplication.__init__(self, qargs)
global gui_thread, qt_app
gui_thread = QThread.currentThread()
self._translator = None
self.load_translations()
qt_app = self
self._file_open_paths = []
self._file_open_lock = RLock()
self.setup_styles(force_calibre_style)
def is_gui_thread():
global gui_thread
return gui_thread is QThread.currentThread()
def is_gui_thread():
global gui_thread
return gui_thread is QThread.currentThread()
