def query(self, host, qtype):
try:
qtype = query_type_map[qtype]
except KeyError:
raise error.DNSError('invalid query type: {}'.format(qtype))
fut = Future()
def cb(result, errorno):
if errorno is not None:
fut.set_exception(error.DNSError(errorno, pycares.errno.strerror(errorno)))
else:
fut.set_result(result)
self._channel.query(host, qtype, cb)
return fut.get()
def spawn(self, func, *args, **kwargs):
fut = Future()
work = _Work(func, *args, **kwargs)
def after(error):
if error is not None:
assert error == pyuv.errno.UV_ECANCELLED
return
if work.exc is not None:
fut.set_exception(work.exc)
else:
fut.set_result(work.result)
fut.set_running_or_notify_cancel()
self.loop._loop.queue_work(work, after)
return fut
def spawn(self, func, *args, **kwargs):
fut = Future()
work = _Work(func, *args, **kwargs)
def after(error):
if error is not None:
assert error == pyuv.errno.UV_ECANCELLED
return
if work.exc is not None:
fut.set_exception(work.exc)
else:
fut.set_result(work.result)
fut.set_running_or_notify_cancel()
self.loop._loop.queue_work(work, after)
return fut
