def __init__(self, logMessages=False):
super(GuiProcess, self).__init__()
self.pid = Process.attach("GUI", self)
self.messages = PatternMatcher()
self.isOpen = True
self.logger = Process.logger()
self.logMessages = logMessages
class GuiProcess(QObject):
def __init__(self, logMessages=False):
super(GuiProcess, self).__init__()
self.pid = Process.attach("GUI", self)
self.messages = PatternMatcher()
self.isOpen = True
self.logger = Process.logger()
self.logMessages = logMessages
def __enter__(self):
return self
def __exit__(self, type, e, traceback):
Process.detach()
def event(self, ev):
""" Handle events sent to the object. """
if ev.type() == MessageReceivedEvent.Type:
if self.logMessages:
self.logger.info("Received message %s.", repr(ev.m))
try:
self.messages.match(ev.m)
except Exception:
Process.logger().exception("An exception was raised by the process")
return True
else:
return False
def put(self, m):
""" Add a process message to the message loop's queue. """
QApplication.postEvent(self, MessageReceivedEvent(m))
def get(self):
raise Exception("Can't receive messages on the GUI thread. " +
"Use the message matching mechanism instead.")
def try_get(self):
return (False, None)
def close(self):
pass