async def test_channel_subscribe(self, r):
r = StrictRedis(host='localhost', port=6390)
p = r.pubsub()
with pytest.raises(ConnectionError):
await p.subscribe('foo')
'''
IV Chart Bokeh App
Bokeh App Docs: https://docs.bokeh.org/en/latest/docs/user_guide/server.html
`bokeh serve --show iv_app.py` from the project root
Live plot bid/mid/ask IV and BTC price
'''
# logging setup
logging.config.fileConfig('config/logging.conf')
logger = logging.getLogger(__name__)
# Redis setup
r = StrictRedis(host='localhost', decode_responses=True)
p = r.pubsub()
# Main Bokeh Doc
doc = curdoc()
# Bitcoin price datasource
adapter = CustomJS(code="""
var price = cb_data.response['data']['amount']
var data = {x: [price], y: [0]}
console.log(price)
return data
""")
btc_price_source = AjaxDataSource(
data_url='https://api.coinbase.com/v2/prices/BTC-USD/spot',
method='GET',
polling_interval=3000,