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bpo-33238: Add InvalidStateError to concurrent.futures. (GH-7056)

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Future.set_result and Future.set_exception now raise InvalidStateError
if the futures are not pending or running. This mirrors the behavior
of asyncio.Future, and prevents AssertionErrors in asyncio.wrap_future
when set_result is called multiple times.
This commit is contained in:
jhaydaman 2018-05-30 02:15:06 -05:00 • committed by Andrew Svetlov
parent bb9474f1fb
commit 0a28c0d12e
6 changed files with 59 additions and 6 deletions
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8
Lib/asyncio/base_futures.py
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@ -1,17 +1,13 @@
__all__ = ()
import concurrent.futures._base
import concurrent.futures
import reprlib
from . import format_helpers
Error = concurrent.futures._base.Error
CancelledError = concurrent.futures.CancelledError
TimeoutError = concurrent.futures.TimeoutError
class InvalidStateError(Error):
"""The operation is not allowed in this state."""
InvalidStateError = concurrent.futures.InvalidStateError
# States for Future.