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Set statespace defaults in `get_cached_feed()`

kivy_mainline_and_py3.8
Tyler Goodlet 2018-12-09 13:30:34 -05:00
parent eee19048f0
commit b8815cde4a
1 changed files with 4 additions and 6 deletions
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10
piker/brokers/data.py
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@ -269,9 +269,10 @@ async def get_cached_feed(
"""
# check if a cached client is in the local actor's statespace
ss = tractor.current_actor().statespace
feeds = ss['feeds']
feeds = ss.setdefault('feeds', {'_lock': trio.Lock()})
lock = feeds['_lock']
feed_stack = ss['feed_stacks'][brokername]
feed_stacks = ss.setdefault('feed_stacks', {})
feed_stack = feed_stacks.setdefault(brokername, contextlib.AsyncExitStack())
async with lock:
try:
feed = feeds[brokername]
@ -305,18 +306,15 @@ async def start_quote_stream(
Since most brokers seems to support batch quote requests we
limit to one task per process for now.
"""
actor = tractor.current_actor()
# set log level after fork
get_console_log(actor.loglevel)
# pull global vars from local actor
ss = actor.statespace
# broker2symbolsubs = ss.setdefault('broker2symbolsubs', {})
ss.setdefault('feeds', {'_lock': trio.Lock()})
feed_stacks = ss.setdefault('feed_stacks', {})
symbols = list(symbols)
log.info(
f"{chan.uid} subscribed to {broker} for symbols {symbols}")
feed_stack = feed_stacks.setdefault(broker, contextlib.AsyncExitStack())
# another actor task may have already created it
feed = await get_cached_feed(broker)
symbols2chans = feed.subscriptions[feed_type]