def _message(status, content):
"""Send message interface.
Parameters
----------
status : str
The type of message
content : str
"""
event = 'message.{}'.format(status)
if flask.has_request_context():
emit(event, dict(data=pack(content)))
else:
sio = flask.current_app.extensions['socketio']
sio.emit(event, dict(data=pack(content)))
eventlet.sleep()
def _message(status, content):
"""Send message interface.
Parameters
----------
status : str
The type of message
content : str
"""
event = f'message.{status}'
if flask.has_request_context():
emit(event, dict(data=pack(content)))
else:
sio = flask.current_app.extensions['socketio']
sio.emit(event, dict(data=pack(content)))
eventlet.sleep()
def load(key):
"""Load the value stored with the key.
Parameters
----------
key : object
The key to lookup the value stored.
Returns
-------
object
The value if the key exists in the cache, otherwise None.
"""
signal = 'cache_load'
event = LightQueue(1)
if flask.has_request_context():
emit(signal, {'data': pack(key)}, callback=event.put)
else:
sio = flask.current_app.extensions['socketio']
sio.emit(signal, {'data': pack(key)}, callback=event.put)
return msgpack.unpackb(bytes(event.get(timeout=10)), encoding='utf8')
def save(key, value):
"""Store the key value pair.
Parameters
----------
key : object
The key to determine where it's stored, you'll need this to load the value later.
value : object
The value to store in the cache.
Returns
-------
None
"""
signal = 'cache_save'
if flask.has_request_context():
emit(signal, {'key': pack(key), 'data': pack(value)})
else:
sio = flask.current_app.extensions['socketio']
sio.emit(signal, {'key': pack(key), 'data': pack(value)})
eventlet.sleep()
def __setitem__(self, key, value):
"""Store the key value pair.
Parameters
----------
key : str
The key to determine where it's stored, you'll need this to load the value later.
value : object
The value to store in the cache.
Returns
-------
None
"""
validate(key)
signal = 'cache_save'
if flask.has_request_context():
emit(signal, {'key': pack(key), 'data': pack(value)})
else:
sio = flask.current_app.extensions['socketio']
sio.emit(signal, {'key': pack(key), 'data': pack(value)})
eventlet.sleep()
def __getitem__(self, key):
"""Load the value stored with the key.
Parameters
----------
key : str
The key to lookup the value stored.
Returns
-------
object
The value if the key exists in the cache, otherwise None.
"""
validate(key)
signal = 'cache_load'
event = LightQueue(1)
if flask.has_request_context():
emit(signal, {'data': pack(key)}, callback=event.put)
else:
sio = flask.current_app.extensions['socketio']
sio.emit(signal, {'data': pack(key)}, callback=event.put)
return msgpack.unpackb(bytes(event.get(timeout=10)), encoding='utf8')
def test_msgpack():
"""Tests msgpack encoding numpy and pandas."""
assert pack(NPARRAY) == pack([5, 6])
assert pack(NPSCALAR) == pack(5)
assert pack(DATES) == pack(['2017-01-01T00:00:00', '2017-01-02T00:00:00'])
def test_msgpack():
"""Tests msgpack encoding numpy and pandas."""
assert pack(NPARRAY) == pack([5, 6])
assert pack(NPSCALAR) == pack(5)
assert pack(DATES) == pack(['2017-01-01T00:00:00', '2017-01-02T00:00:00'])
