Get kivy/questrade shit working again

basic_orders
Tyler Goodlet 2021-02-21 12:32:40 -05:00
parent f724798336
commit e6ea053d40
4 changed files with 25 additions and 14 deletions

View File

@ -1,5 +1,5 @@
# piker: trading gear for hackers
# Copyright (C) 2018-present Tyler Goodlet (in stewardship of piker0)
# Copyright (C) Tyler Goodlet (in stewardship for piker0)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
@ -16,7 +16,9 @@
"""
Actor-aware broker agnostic interface.
"""
from typing import Dict
from contextlib import asynccontextmanager, AsyncExitStack
import trio
@ -28,7 +30,7 @@ from ..log import get_logger
log = get_logger(__name__)
_clients: Dict[str, 'Client'] = {}
_cache: Dict[str, 'Client'] = {}
@asynccontextmanager
async def get_cached_client(
@ -40,9 +42,11 @@ async def get_cached_client(
If one has not been setup do it and cache it.
"""
global _clients
global _cache
clients = ss.setdefault('clients', {'_lock': trio.Lock()})
clients = _cache.setdefault('clients', {'_lock': trio.Lock()})
# global cache task lock
lock = clients['_lock']
client = None

View File

@ -180,15 +180,18 @@ async def symbol_data(broker: str, tickers: List[str]):
return await feed.client.symbol_info(tickers)
_feeds_cache = {}
@asynccontextmanager
async def get_cached_feed(
brokername: str,
) -> BrokerFeed:
"""Get/create a ``BrokerFeed`` from/in the current actor.
"""
# check if a cached client is in the local actor's statespace
ss = tractor.current_actor().statespace
feeds = ss.setdefault('feeds', {'_lock': trio.Lock()})
global _feeds_cache
# check if a cached feed is in the local actor
feeds = _feeds_cache.setdefault('feeds', {'_lock': trio.Lock()})
lock = feeds['_lock']
feed = None
try:

View File

@ -1,5 +1,5 @@
# piker: trading gear for hackers
# Copyright (C) 2018-present Tyler Goodlet (in stewardship of piker0)
# Copyright (C) Tyler Goodlet (in stewardship for piker0)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by

View File

@ -144,14 +144,17 @@ async def update_quotes(
log.warn("Data feed connection dropped")
_widgets = {}
async def stream_symbol_selection():
"""An RPC async gen for streaming the symbol corresponding
value corresponding to the last clicked row.
Essentially of an event stream of clicked symbol values.
"""
widgets = tractor.current_actor().statespace['widgets']
table = widgets['table']
global _widgets
table = _widgets['table']
send_chan, recv_chan = trio.open_memory_channel(0)
table._click_queues.append(send_chan)
try:
@ -238,8 +241,6 @@ async def _async_main(
# set up a pager view for large ticker lists
table.bind(minimum_height=table.setter('height'))
ss = tractor.current_actor().statespace
async def spawn_opts_chain():
"""Spawn an options chain UI in a new subactor.
"""
@ -276,7 +277,10 @@ async def _async_main(
'header': header,
'pager': pager,
}
ss['widgets'] = widgets
global _widgets
_widgets = widgets
nursery.start_soon(
update_quotes,
nursery,