[issue33546] asyncio.Condition should become awaitable in 3.9

2018-05-23 Thread Łukasz Langa
Łukasz Langa added the comment: Andrew is right because a Condition *is* a lock. The confusing thing about this construct is that the actual logic "condition" that we're waiting for is external. It can be controlled by another coroutine that will just let us know by calling `cond.notify()`

[issue33546] asyncio.Condition should become awaitable in 3.9

2018-05-21 Thread Andrew Svetlov
Andrew Svetlov added the comment: No, condition variables don't work this way. The proper code looks like: async with cond: while not : await cond.wait() It cannot be collapsed to just `await cond`. -- resolution: -> rejected stage: -> resolved status: open -> close

[issue33546] asyncio.Condition should become awaitable in 3.9

2018-05-16 Thread Jason Fried
New submission from Jason Fried : In 3.9 we can remove the deprecated pattern for accepting __enter__ and __exit__ for locks. This will free up __await__ for Condition to use for replacing .wait() which is wart from before awaitables. My new proposed behavior is await cond which would be