def __init__(self,
server_args='',
log_file=None,
zmq_in_port=7000,
zmq_out_port=7001):
super(StdioLanguageServerClient,
self).__init__(zmq_in_port, zmq_out_port)
self.req_status = {}
self.process = None
logger.debug(repr(server_args))
logger.debug('Environment variables: {0}'.format(
list(os.environ.keys())))
if log_file:
logger.debug('Redirect stderr to {0}'.format(log_file))
log_file_handle = open(log_file, 'wb')
else:
log_file_handle = None
self.process = popen_spawn.PopenSpawn(server_args,
logfile=log_file_handle)
logger.info('Process pid: {0}'.format(self.process.pid))
logger.info('Connecting to language server on stdio')
super(StdioLanguageServerClient, self).finalize_initialization()
self.reading_thread = StdioIncomingMessageThread()
self.reading_thread.initialize(self.process,
self.zmq_out_socket,
self.req_status,
expectable=True)
def __init__(self, server_args='', log_file='',
zmq_in_port=7000, zmq_out_port=7001):
super(StdioLanguageServerClient, self).__init__(
zmq_in_port, zmq_out_port)
self.req_status = {}
self.process = None
logger.debug(server_args)
logger.debug('Redirect stderr to {0}'.format(log_file))
self.process = popen_spawn.PopenSpawn(server_args)
logger.info('Connecting to language server on stdio')
super(StdioLanguageServerClient, self).finalize_initialization()
self.reading_thread = StdioIncomingMessageThread()
self.reading_thread.initialize(self.process, self.zmq_out_socket,
self.req_status, expectable=True)
class StdioLanguageServerClient(LanguageServerClient):
"""Implementation of a v3.0 compilant language server stdio client."""
MAX_TIMEOUT_TIME = 20000
def __init__(self,
server_args='',
log_file='',
zmq_in_port=7000,
zmq_out_port=7001):
super(StdioLanguageServerClient,
self).__init__(zmq_in_port, zmq_out_port)
self.req_status = {}
self.process = None
logger.debug(server_args)
logger.debug('Redirect stderr to {0}'.format(log_file))
self.process = popen_spawn.PopenSpawn(server_args)
logger.info('Connecting to language server on stdio')
super(StdioLanguageServerClient, self).finalize_initialization()
self.reading_thread = StdioIncomingMessageThread()
self.reading_thread.initialize(self.process,
self.zmq_out_socket,
self.req_status,
expectable=True)
def start(self):
self.reading_thread.start()
logger.info('Ready to receive/attend requests and responses!')
def stop(self):
logger.info('Closing consumer thread...')
self.reading_thread.stop()
logger.debug('Joining thread...')
self.reading_thread.join()
logger.debug('Exit routine should be complete')
def transport_send(self, content_length, body):
if os.name == 'nt':
content_length = content_length.decode('utf-8')
body = body.decode('utf-8')
self.process.write(content_length)
self.process.write(body)
def is_server_alive(self):
"""This method verifies if stdout is broken."""
connected = False
connection_error = None
initial_time = time.time()
try:
while not connected:
connected = not self.process.proc.poll()
if time.time() - initial_time > self.MAX_TIMEOUT_TIME:
connection_error = 'Timeout communication period exceeded'
break
except Exception as e:
connection_error = e
return connected, connection_error