def _do_command(self, action, fields=None, timeout=None):
if fields is None:
fields = {}
self._commands_executed += 1
if timeout is None:
timeout = self.command_timeout
if not self._process_running:
raise Exception('Plugin was stopped')
with self._command_lock:
command = self._create_command(action, fields)
self._proc.stdin.write(PluginIPCStream.encode(command))
self._proc.stdin.flush()
try:
response = self._response_queue.get(block=True, timeout=timeout)
while response['cid'] != self._cid:
response = self._response_queue.get(block=False)
exception = response.get('_exception')
if exception is not None:
raise RuntimeError(exception)
return response
except Empty:
self.logger('[Runner] No response within {0}s (action={1}, fields={2})'.format(timeout, action, fields))
self._commands_failed += 1
raise Exception('Plugin did not respond')
def _write(msg):
sys.stdout.write(PluginIPCStream.encode(msg))
sys.stdout.flush()