Yury Selivanov <[email protected]> added the comment:
Isn't this code equivalent to yours:
async def get(process, key):
try:
return cache[key]
except KeyError:
if key in events:
await events[key].wait()
else:
events[key] = asyncio.Event()
# simulates some IO to get the Key
await asyncio.sleep(0.1)
cache[key] = "some random value"
event.set()
return cache[key]
?
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<https://bugs.python.org/issue30457>
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