micropython: add micropython component

components/language/micropython/tests/net_inet/uasyncio_cancel_stream.py

@@ -0,0 +1,35 @@
+# 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"))