Martin Panter added the comment:
If your event loop supports it, maybe you could use add_reader() etc as a
workaround (roughly based off a different function of my own; this version
completely untested):
async def sock_recvfrom(nonblocking_sock, *pos, loop, **kw):
while True:
try:
return nonblocking_sock.recvfrom(*pos, **kw)
except BlockingIOError:
future = Future(loop=loop)
loop.add_reader(nonblocking_sock.fileno(), future.set_result, None)
try:
await future
finally:
loop.remove_reader(nonblocking_sock.fileno())
I’m not very experienced with asyncio, but I imagine having general-purpose
loop.wait_readable(file_descriptor) etc methods would make writing these kind
of functions easier.
----------
nosy: +martin.panter
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<http://bugs.python.org/issue26395>
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