def _async_generator():
" Simple asynchronous generator. "
# await.
result = yield From(Future.succeed(1))
# yield
yield AsyncGeneratorItem(result + 1)
# await.
result = yield From(Future.succeed(10))
# yield
yield AsyncGeneratorItem(result + 1)
def wait_for_cpr_responses(self, timeout=1):
"""
Wait for a CPR response.
"""
cpr_futures = list(self._waiting_for_cpr_futures) # Make copy.
# When there are no CPRs in the queue. Don't do anything.
if not cpr_futures or self.cpr_support == CPR_Support.NOT_SUPPORTED:
return Future.succeed(None)
f = Future()
# When a CPR has been received, set the result.
def wait_for_responses():
for response_f in cpr_futures:
yield From(response_f)
if not f.done():
f.set_result(None)
ensure_future(wait_for_responses())
# Timeout.
def wait_for_timeout():
time.sleep(timeout)
# Got timeout.
if not f.done():
self._waiting_for_cpr_futures = deque()
f.set_result(None)
t = threading.Thread(target=wait_for_timeout)
t.daemon = True
t.start()
return f
def wait_for_cpr_responses(self, timeout=1):
"""
Wait for a CPR response.
"""
cpr_futures = list(self._waiting_for_cpr_futures) # Make copy.
# When there are no CPRs in the queue. Don't do anything.
if not cpr_futures or self.cpr_support == CPR_Support.NOT_SUPPORTED:
return Future.succeed(None)
f = Future()
# When a CPR has been received, set the result.
def wait_for_responses():
for response_f in cpr_futures:
yield From(response_f)
if not f.done():
f.set_result(None)
ensure_future(wait_for_responses())
# Timeout.
def wait_for_timeout():
time.sleep(timeout)
# Got timeout.
if not f.done():
self._waiting_for_cpr_futures = deque()
f.set_result(None)
t = threading.Thread(target=wait_for_timeout)
t.daemon = True
t.start()
return f
def write(self, message):
"""
Coroutine that writes the next packet.
"""
try:
self.socket.send(message.encode('utf-8') + b'\0')
except socket.error:
if not self._closed:
raise BrokenPipeError
return Future.succeed(None)
def write(self, message):
"""
Coroutine that writes the next packet.
"""
try:
self.socket.send(message.encode('utf-8') + b'\0')
except socket.error:
if not self._closed:
raise BrokenPipeError
return Future.succeed(None)
def _run_in_terminal(self, func):
# Make sure that when an application was active for this connection,
# that we print the text above the application.
with context(self._context_id):
try:
app = get_app(raise_exception=True)
except NoRunningApplicationError:
func()
return Future.succeed(None)
else:
return app.run_in_terminal(func)
def async_func():
result = func()
return Future.succeed(result)
def async_func():
result = func()
return Future.succeed(result)
def async_3():
" Succeed immediately. "
return Future.succeed('Hello from async_3')
def other_coroutine():
value = yield From(Future.succeed(True))
value = yield From(Future.succeed(True))
raise Return('Result from coroutine.')
def async_3():
" Succeed immediately. "
return Future.succeed('Hello from async_3')
def other_coroutine():
value = yield From(Future.succeed(True))
value = yield From(Future.succeed(True))
raise Return('Result from coroutine.')
