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# Test cancelling a task waiting on stream IO
try:
import uasyncio as asyncio
except ImportError:
try:
import asyncio
except ImportError:
print("SKIP")
raise SystemExit
async def get(reader):
print("start")
try:
await reader.read(10)
print("fail")
except asyncio.CancelledError:
print("cancelled")
async def main(url):
reader, writer = await asyncio.open_connection(url, 80)
task = asyncio.create_task(get(reader))
await asyncio.sleep(0)
print("cancelling")
task.cancel()
print("waiting")
await task
print("done")
writer.close()
await writer.wait_closed()
asyncio.run(main("micropython.org"))
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