utils.asyncs

This module implements all async functionality that one can use in any rendercanvas backend.

To give an idea how to implement a generic async sleep function:

libname = detect_current_async_lib()
sleep = sys.modules[libname].sleep

class rendercanvas.utils.asyncs.Event

Generic async event object. Works with trio, asyncio and rendercanvas-native.

rendercanvas.utils.asyncs.detect_current_async_lib()

Get the lib name of the currently active async lib, or None.

rendercanvas.utils.asyncs.detect_current_call_soon_threadsafe()

Get the current applicable call_soon_threadsafe function, or None

async rendercanvas.utils.asyncs.precise_sleep(delay)

Generic async sleep that is precise. Works with trio, asyncio and rendercanvas-native.

On Windows, OS timers are notoriously imprecise, with a resolution of 15.625 ms (64 ticks per second). This function, when on Windows, uses a thread to sleep with a much better precision.

async rendercanvas.utils.asyncs.sleep(delay)

Generic async sleep. Works with trio, asyncio and rendercanvas-native.