circuitpython/tests/extmod/asyncio_basic.py

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

58 lines
1009 B
Python
Raw Normal View History

try:
2023-08-22 11:15:46 -04:00
import asyncio
except ImportError:
2023-08-22 11:15:46 -04:00
print("SKIP")
raise SystemExit
2023-10-23 20:14:40 -04:00
# CIRCUITPY-CHANGE: CircuitPython provides __await__()
async def foo():
return 42
try:
foo().__await__
except AttributeError:
print("SKIP")
raise SystemExit
import time
if hasattr(time, "ticks_ms"):
2023-08-22 11:15:46 -04:00
ticks = time.ticks_ms
ticks_diff = time.ticks_diff
else:
ticks = lambda: int(time.time() * 1000)
ticks_diff = lambda t1, t0: t1 - t0
async def delay_print(t, s):
await asyncio.sleep(t)
print(s)
async def main():
print("start")
await asyncio.sleep(0.001)
print("after sleep")
t0 = ticks()
await delay_print(0.2, "short")
t1 = ticks()
await delay_print(0.4, "long")
t2 = ticks()
await delay_print(-1, "negative")
t3 = ticks()
print(
"took {} {} {}".format(
round(ticks_diff(t1, t0), -2),
round(ticks_diff(t2, t1), -2),
round(ticks_diff(t3, t2), -2),
)
)
asyncio.run(main())