def __init__(self, parent):
QThread.__init__(self, parent)
self.keep_going = True
self.current_command = None
self.out_queue = Queue()
self.address = arbitrary_address('AF_PIPE' if iswindows else 'AF_UNIX')
self.auth_key = os.urandom(32)
if iswindows and self.address[1] == ':':
self.address = self.address[2:]
self.listener = Listener(address=self.address,
authkey=self.auth_key,
backlog=4)
self.env = {
'CALIBRE_SIMPLE_WORKER':
'calibre.utils.pyconsole.interpreter:main',
'CALIBRE_WORKER_ADDRESS':
hexlify(cPickle.dumps(self.listener.address, -1)),
'CALIBRE_WORKER_KEY':
hexlify(self.auth_key)
}
self.process = Process(self.env)
self.output_file_buf = self.process(redirect_output=False)
self.conn = self.listener.accept()
self.start()
def __init__(self, parent):
QThread.__init__(self, parent)
self.keep_going = True
self.current_command = None
self.out_queue = Queue()
self.address = arbitrary_address('AF_PIPE' if iswindows else 'AF_UNIX')
self.auth_key = os.urandom(32)
if iswindows and self.address[1] == ':':
self.address = self.address[2:]
self.listener = Listener(address=self.address,
authkey=self.auth_key, backlog=4)
self.env = {
'CALIBRE_SIMPLE_WORKER':
'calibre.utils.pyconsole.interpreter:main',
'CALIBRE_WORKER_ADDRESS':
hexlify(cPickle.dumps(self.listener.address, -1)),
'CALIBRE_WORKER_KEY': hexlify(self.auth_key)
}
self.process = Process(self.env)
self.output_file_buf = self.process(redirect_output=False)
self.conn = self.listener.accept()
self.start()
class Controller(QThread):
# show_error(is_syntax_error, traceback, self)
show_error = pyqtSignal(object, object, object)
# write_output(unicode_object, stdout or stderr, self)
write_output = pyqtSignal(object, object, object)
# Indicates interpreter has finished evaluating current command
interpreter_done = pyqtSignal(object, object)
# interpreter_died(self, returncode or None if no return code available)
interpreter_died = pyqtSignal(object, object)
def __init__(self, parent):
QThread.__init__(self, parent)
self.keep_going = True
self.current_command = None
self.out_queue = Queue()
self.address = arbitrary_address('AF_PIPE' if iswindows else 'AF_UNIX')
self.auth_key = os.urandom(32)
if iswindows and self.address[1] == ':':
self.address = self.address[2:]
self.listener = Listener(address=self.address,
authkey=self.auth_key, backlog=4)
self.env = {
'CALIBRE_SIMPLE_WORKER':
'calibre.utils.pyconsole.interpreter:main',
'CALIBRE_WORKER_ADDRESS':
hexlify(cPickle.dumps(self.listener.address, -1)),
'CALIBRE_WORKER_KEY': hexlify(self.auth_key)
}
self.process = Process(self.env)
self.output_file_buf = self.process(redirect_output=False)
self.conn = self.listener.accept()
self.start()
def run(self):
while self.keep_going and self.is_alive:
try:
self.communicate()
except KeyboardInterrupt:
pass
except EOFError:
break
self.interpreter_died.emit(self, self.returncode)
try:
self.listener.close()
except:
pass
def communicate(self):
if self.conn.poll(POLL_TIMEOUT):
self.dispatch_incoming_message(self.conn.recv())
try:
obj = self.out_queue.get_nowait()
except Empty:
pass
else:
try:
self.conn.send(obj)
except:
raise EOFError('controller failed to send')
def dispatch_incoming_message(self, obj):
try:
cmd, data = obj
except:
print 'Controller received invalid message'
print repr(obj)
return
if cmd in ('stdout', 'stderr'):
self.write_output.emit(data, cmd, self)
elif cmd == 'syntaxerror':
self.show_error.emit(True, data, self)
elif cmd == 'traceback':
self.show_error.emit(False, data, self)
elif cmd == 'done':
self.current_command = None
self.interpreter_done.emit(self, data)
def runsource(self, cmd):
self.current_command = cmd
self.out_queue.put(('run', cmd))
def __nonzero__(self):
return self.process.is_alive
@property
def returncode(self):
return self.process.returncode
def interrupt(self):
if hasattr(signal, 'SIGINT'):
os.kill(self.process.pid, signal.SIGINT)
elif hasattr(signal, 'CTRL_C_EVENT'):
os.kill(self.process.pid, signal.CTRL_C_EVENT)
@property
def is_alive(self):
return self.process.is_alive
def kill(self):
self.out_queue.put(('quit', 0))
t = 0
while self.is_alive and t < 10:
time.sleep(0.1)
self.process.kill()
self.keep_going = False
