Don't bail when a sub-optschain crashes

kivy_mainline_and_py3.8
Tyler Goodlet 2019-03-24 12:09:17 -04:00
parent 8964b7a5fb
commit 1cc33abca0
2 changed files with 21 additions and 10 deletions

View File

@ -7,7 +7,6 @@ Launch with ``piker monitor <watchlist name>``.
"""
from types import ModuleType, AsyncGeneratorType
from typing import List, Callable
from functools import partial
import trio
import tractor
@ -146,6 +145,8 @@ async def update_quotes(
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']
@ -235,14 +236,19 @@ async def _async_main(
"""
from .option_chain import _async_main
async with tractor.open_nursery() as tn:
await tn.run_in_actor(
'optschain',
_async_main,
symbol=table.last_clicked_row._last_record['symbol'],
brokername=brokermod.name,
# loglevel=tractor.log.get_loglevel(),
)
try:
async with tractor.open_nursery() as tn:
portal = await tn.run_in_actor(
'optschain',
_async_main,
symbol=table.last_clicked_row._last_record['symbol'],
brokername=brokermod.name,
loglevel=tractor.log.get_loglevel(),
)
except tractor.RemoteActorError:
# don't allow option chain errors to crash this monitor
# this is, like, the most basic of resliency policies
log.exception(f"{portal.actor.name} crashed:")
async with trio.open_nursery() as nursery:
pager = PagerView(

View File

@ -384,8 +384,13 @@ class Row(HoverBehavior, GridLayout):
log.info(f"Pressed row for {self._last_record['symbol']}")
if self.table and not self.is_header:
self.table.last_clicked_row = self
symbol = self._last_record['symbol']
for sendchan in self.table._click_queues:
sendchan.send_nowait(self._last_record['symbol'])
try:
sendchan.send_nowait(symbol)
except trio.BrokenResourceError:
# indicates streaming client actor has terminated
log.warning("Symbol selection stream was already closed")
class TickerTable(GridLayout):