pikers
/
piker
3
0
Fork 0
Code Issues 2 Pull Requests 5 Packages Projects Releases Wiki Activity

Use total time calc

kivy_mainline_and_py3.8
Tyler Goodlet 2018-03-23 16:15:56 -04:00
parent 08aa996e27
commit 29ddfe017c
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
piker/brokers/core.py
View File

@ -55,9 +55,12 @@ async def poll_tickers(
) -> None: ) -> None:
"""Stream quotes for a sequence of tickers at the given ``rate`` """Stream quotes for a sequence of tickers at the given ``rate``
per second. per second.
A broker-client ``quoter`` async context manager must be provided which
returns an async quote function.
""" """
sleeptime = round(1. / rate, 3) sleeptime = round(1. / rate, 3)
_cache = {} _cache = {} # ticker to quote caching
async with quoter(client, tickers) as get_quotes: async with quoter(client, tickers) as get_quotes:
while True: # use an event here to trigger exit? while True: # use an event here to trigger exit?
@ -66,8 +69,9 @@ async def poll_tickers(
postquote_start = time.time() postquote_start = time.time()
payload = [] payload = []
for symbol, quote in quotes.items(): for symbol, quote in quotes.items():
# TODO: uhh wtf? # FIXME: None is returned if a symbol can't be found.
if not quote: # Consider filtering out such symbols before starting poll loop
if quote is None:
continue continue
if quote.get('delay', 0) > 0: if quote.get('delay', 0) > 0:
@ -92,8 +96,8 @@ async def poll_tickers(
req_time = round(postquote_start - prequote_start, 3) req_time = round(postquote_start - prequote_start, 3)
proc_time = round(time.time() - postquote_start, 3) proc_time = round(time.time() - postquote_start, 3)
tot = req_time + proc_time tot = req_time + proc_time
log.debug(f"Request + processing took {req_time + proc_time}") log.debug(f"Request + processing took {tot}")
delay = sleeptime - (req_time + proc_time) delay = sleeptime - tot
if delay <= 0: if delay <= 0:
log.warn( log.warn(
f"Took {req_time} (request) + {proc_time} (processing) = {tot}" f"Took {req_time} (request) + {proc_time} (processing) = {tot}"