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Drop use `tractor.trionics.gather_contexts()` in `open_handlers()`

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Tyler Goodlet 2022-09-08 15:02:55 -04:00
parent 9944277096
commit 256bcf36d3
1 changed files with 10 additions and 11 deletions
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21
piker/ui/_event.py
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@ -18,10 +18,11 @@
Qt event proxying and processing using ``trio`` mem chans. Qt event proxying and processing using ``trio`` mem chans.
""" """
from contextlib import asynccontextmanager, AsyncExitStack from contextlib import asynccontextmanager as acm
from typing import Callable from typing import Callable
import trio import trio
from tractor.trionics import gather_contexts
from PyQt5 import QtCore from PyQt5 import QtCore
from PyQt5.QtCore import QEvent, pyqtBoundSignal from PyQt5.QtCore import QEvent, pyqtBoundSignal
from PyQt5.QtWidgets import QWidget from PyQt5.QtWidgets import QWidget
@ -155,7 +156,7 @@ class EventRelay(QtCore.QObject):
return False return False
@asynccontextmanager @acm
async def open_event_stream( async def open_event_stream(
source_widget: QWidget, source_widget: QWidget,
@ -181,7 +182,7 @@ async def open_event_stream(
source_widget.removeEventFilter(kc) source_widget.removeEventFilter(kc)
@asynccontextmanager @acm
async def open_signal_handler( async def open_signal_handler(
signal: pyqtBoundSignal, signal: pyqtBoundSignal,
@ -206,7 +207,7 @@ async def open_signal_handler(
yield yield
@asynccontextmanager @acm
async def open_handlers( async def open_handlers(
source_widgets: list[QWidget], source_widgets: list[QWidget],
@ -215,16 +216,14 @@ async def open_handlers(
**kwargs, **kwargs,
) -> None: ) -> None:
async with ( async with (
trio.open_nursery() as n, trio.open_nursery() as n,
AsyncExitStack() as stack, gather_contexts([
open_event_stream(widget, event_types, **kwargs)
for widget in source_widgets
]) as streams,
): ):
for widget in source_widgets: for widget, event_recv_stream in zip(source_widgets, streams):
event_recv_stream = await stack.enter_async_context(
open_event_stream(widget, event_types, **kwargs)
)
n.start_soon(async_handler, widget, event_recv_stream) n.start_soon(async_handler, widget, event_recv_stream)
yield yield