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Make watchlist app retrieve quotes from the broker daemon

kivy_mainline_and_py3.8
Tyler Goodlet 2018-04-16 02:16:26 -04:00
parent 73ef95f42a
commit 4898459bcd
1 changed files with 65 additions and 67 deletions
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18
piker/ui/watchlist.py
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@ -7,7 +7,6 @@ Launch with ``piker watch <watchlist name>``.
""" """
from itertools import chain from itertools import chain
from types import ModuleType from types import ModuleType
from functools import partial
import trio import trio
from kivy.uix.boxlayout import BoxLayout from kivy.uix.boxlayout import BoxLayout
@ -21,7 +20,6 @@ from kivy.core.window import Window
from ..log import get_logger from ..log import get_logger
from .pager import PagerView from .pager import PagerView
from ..brokers.core import poll_tickers
log = get_logger('watchlist') log = get_logger('watchlist')
@ -49,7 +47,7 @@ _kv = (f'''
#:kivy 1.10.0 #:kivy 1.10.0
<Cell> <Cell>
font_size: 18 font_size: 20
# text_size: self.size # text_size: self.size
size: self.texture_size size: self.texture_size
color: {colorcode('gray')} color: {colorcode('gray')}
@ -386,17 +384,17 @@ async def _async_main(name, tickers, brokermod, rate):
This is started with cli command `piker watch`. This is started with cli command `piker watch`.
''' '''
queue = trio.Queue(1000) # setup ticker stream
from ..brokers.core import StreamQueue
queue = StreamQueue(await trio.open_tcp_stream('127.0.0.1', 1616))
await queue.put(tickers) # initial request for symbols price streams
# get initial symbol data
async with brokermod.get_client() as client: async with brokermod.get_client() as client:
async with trio.open_nursery() as nursery:
# get long term data including last days close price # get long term data including last days close price
sd = await client.symbol_data(tickers) sd = await client.symbol_data(tickers)
nursery.start_soon( async with trio.open_nursery() as nursery:
partial(poll_tickers, client, brokermod.quoter, tickers, queue,
rate=rate)
)
# get first quotes response # get first quotes response
quotes = await queue.get() quotes = await queue.get()
first_quotes = [ first_quotes = [