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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 # check if a cached client is in the local actor's statespace
ss = tractor.current_actor().statespace ss = tractor.current_actor().statespace
feeds = ss['feeds'] feeds = ss.setdefault('feeds', {'_lock': trio.Lock()})
lock = feeds['_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: async with lock:
try: try:
feed = feeds[brokername] feed = feeds[brokername]
@ -305,18 +306,15 @@ async def start_quote_stream(
Since most brokers seems to support batch quote requests we Since most brokers seems to support batch quote requests we
limit to one task per process for now. limit to one task per process for now.
""" """
actor = tractor.current_actor() actor = tractor.current_actor()
# set log level after fork # set log level after fork
get_console_log(actor.loglevel) get_console_log(actor.loglevel)
# pull global vars from local actor # pull global vars from local actor
ss = actor.statespace ss = actor.statespace
# broker2symbolsubs = ss.setdefault('broker2symbolsubs', {})
ss.setdefault('feeds', {'_lock': trio.Lock()})
feed_stacks = ss.setdefault('feed_stacks', {})
symbols = list(symbols) symbols = list(symbols)
log.info( log.info(
f"{chan.uid} subscribed to {broker} for symbols {symbols}") 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 # another actor task may have already created it
feed = await get_cached_feed(broker) feed = await get_cached_feed(broker)
symbols2chans = feed.subscriptions[feed_type] symbols2chans = feed.subscriptions[feed_type]