def another_instance_wants_to_talk(self):
s = self.local_server.nextPendingConnection()
if s is None:
return
s.waitForReadyRead(1000)
stream = QTextStream(s)
stream.setCodec('UTF-8')
raw = stream.readAll()
try:
command = json.loads(raw)
except Exception as e:
self.error('Invalid data from other instance: %s' % e)
return
finally:
s.close()
del s
if not isinstance(command, dict):
self.error('Invalid data from other instance: %r' % command)
return
ac = command.get('action')
if ac == 'shutdown':
return self.shutdown()
urls = command.get('open', [])
if not isinstance(urls, list):
self.error('Invalid data from other instance: %r' % command)
return
urls = [x for x in urls if isinstance(x, str)]
if urls:
self.open_urls(urls, in_current_tab='dynamic', switch_to_tab=True)
def another_instance_wants_to_talk(self):
s = self.local_server.nextPendingConnection()
if s is None:
return
s.waitForReadyRead(1000)
stream = QTextStream(s)
stream.setCodec('UTF-8')
raw = stream.readAll()
try:
command = json.loads(raw)
except Exception as e:
self.error('Invalid data from other instance: %s' % e)
return
finally:
s.close()
del s
if not isinstance(command, dict):
self.error('Invalid data from other instance: %r' % command)
return
ac = command.get('action')
if ac == 'shutdown':
return self.shutdown()
urls = command.get('open', [])
if not isinstance(urls, list):
self.error('Invalid data from other instance: %r' % command)
return
urls = [x for x in urls if isinstance(x, str)]
if urls:
self.open_urls(urls, in_current_tab='dynamic', switch_to_tab=True)
def run_local_server(self, urls, new_instance, shutdown):
if shutdown:
new_instance = False
server_name = local_socket_address()
s = QLocalSocket()
s.connectToServer(server_name)
if s.waitForConnected(500):
if new_instance:
return
stream = QTextStream(s)
stream.setCodec('UTF-8')
if shutdown:
cargs = json.dumps({'action': 'shutdown'})
else:
cargs = json.dumps({'open': urls}, ensure_ascii=False)
stream << cargs
stream.flush()
s.waitForBytesWritten()
raise SystemExit(0)
if shutdown:
raise SystemExit('No running vise instance found')
self.local_server = ls = QLocalServer(self)
ls.newConnection.connect(self.another_instance_wants_to_talk)
if not ls.listen(server_name):
if ls.serverError() == QAbstractSocket.AddressInUseError:
try:
os.remove(server_name)
except FileNotFoundError:
pass
if not ls.listen(server_name):
raise SystemExit(
'Failed to establish local listening socket at: %s with error: %s'
% (server_name, ls.errorString()))
def run_local_server(self, urls, new_instance, shutdown):
if shutdown:
new_instance = False
server_name = local_socket_address()
s = QLocalSocket()
s.connectToServer(server_name)
if s.waitForConnected(500):
if new_instance:
return
stream = QTextStream(s)
stream.setCodec('UTF-8')
if shutdown:
cargs = json.dumps({'action': 'shutdown'})
else:
cargs = json.dumps({'open': urls}, ensure_ascii=False)
stream << cargs
stream.flush()
s.waitForBytesWritten()
raise SystemExit(0)
if shutdown:
raise SystemExit('No running vise instance found')
self.local_server = ls = QLocalServer(self)
ls.newConnection.connect(self.another_instance_wants_to_talk)
if not ls.listen(server_name):
if ls.serverError() == QAbstractSocket.AddressInUseError:
try:
os.remove(server_name)
except FileNotFoundError:
pass
if not ls.listen(server_name):
raise SystemExit('Failed to establish local listening socket at: %s with error: %s' % (
server_name, ls.errorString()))
