micropython/tests/basics/async_with2.py
Jim Mussared 4216bc7d13 tests: Replace umodule with module everywhere.
This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2023-06-08 17:54:24 +10:00

38 lines
854 B
Python

# test waiting within async with enter/exit functions
import sys
if sys.implementation.name == 'micropython':
# uPy allows normal generators to be awaitables
coroutine = lambda f: f
else:
import types
coroutine = types.coroutine
@coroutine
def f(x):
print('f start:', x)
yield x + 1
yield x + 2
return x + 3
class AContext:
async def __aenter__(self):
print('enter')
print('f returned:', await f(10))
async def __aexit__(self, exc_type, exc, tb):
print('exit', exc_type, exc)
print('f returned:', await f(20))
async def coro():
async with AContext():
print('body start')
print('body f returned:', await f(30))
print('body end')
o = coro()
try:
while True:
print('coro yielded:', o.send(None))
except StopIteration:
print('finished')