def wait_once(self, cb=None, **params):
if cb is not None:
check_callable(cb)
params.update({"feed": "longpoll"})
resp = self.db.res.get("_changes", **params)
with resp.body_stream() as body:
sock = self.patch_socket(body.reader.unreader.sock)
body.reader.unreader.sock = sock
try:
while True:
if self.wait_read(sock):
buf = []
while True:
chunk = body.read()
if not chunk:
break
buf.append(chunk)
if cb is not None:
self.spawn(self.handle, cb, "".join(buf))
self.sleep(0.1)
else:
ret = "".join(buf)
try:
return json.loads(ret)
except ValueError:
return ret
break
except NoMoreData:
pass
except (SystemExit, KeyboardInterrupt):
pass
def wait_once(self, cb=None, **params):
if cb is None:
return super(EventletConsumer, self).wait_once(**params)
check_callable(cb)
params.update({"feed": "longpoll"})
consumer = LongPollChangeConsumer(self.db, callback=cb, **params)
consumer.wait()
def wait_once(self, cb=None, **params):
if cb is None:
return super(GeventConsumer, self).wait_once(**params)
check_callable(cb)
params.update({"feed": "longpoll"})
LongPollChangeConsumer.spawn(self.db, callback=cb,
**params).join()
def fetch(self, cb, **params):
resp = self.db.res.get("_changes", **params)
if cb is not None:
check_callable(cb)
self.spawn(cb, resp.json_body)
self.sleep(0.1)
else:
return resp.json_body
def wait(self, cb, **params):
check_callable(cb)
params.update({"feed": "continuous"})
resp = self.db.res.get("_changes", **params)
if resp.headers.get('transfer-encoding') == "chunked":
chunked = True
else:
chunked = False
change_handler = continuous_changes_handler(resp, cb,
chunked)
asyncore.loop()
def wait_once(self, cb=None, **params):
if cb is not None:
check_callable(cb)
params.update({"feed": "longpoll"})
resp = self.db.res.get("_changes", **params)
buf = ""
with resp.body_stream() as body:
while True:
data = body.read()
if not data:
break
buf += data
ret = json.loads(buf)
if cb is not None:
cb(ret)
return
return ret
def wait_async(self, cb, **params):
check_callable(cb)
params.update({"feed": "continuous"})
consumer = ContinuousChangeConsumer(self.db, callback=cb, **params)
return consumer.wait_async()
def wait_once_async(self, cb, **params):
check_callable(cb)
params.update({"feed": "longpoll"})
consumer = LongPollChangeConsumer(self.db, callback=cb, **params)
return consumer.wait_async()
def wait(self, cb, **params):
check_callable(cb)
params.update({"feed": "continuous"})
ContinuousChangeConsumer.spawn(self.db, callback=cb,
**params).join()
