8000 gh-124309: Modernize the `staggered_race` implementation to support eager task factories by ZeroIntensity · Pull Request #124390 · python/cpython · GitHub
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gh-124309: Modernize the staggered_race implementation to support eager task factories #124390

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Merged
merged 16 commits into from
Sep 26, 2024
Merged

gh-124309: Modernize the staggered_race implementation to support eager task factories #124390

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4002695
Partial implementation.
ZeroIntensity Sep 23, 2024
302d7e3
Add unit tests.
ZeroIntensity Sep 23, 2024
e2cf78a
Fix tests with eager task factory.
ZeroIntensity Sep 23, 2024
48a1798
Add NEWS entry.
ZeroIntensity Sep 23, 2024
e213f51
Refactor to use only public APIs
ZeroIntensity Sep 24, 2024
0d27caf
Revert changes to TaskGroup.
ZeroIntensity Sep 24, 2024
229eaf8
Add extra test.
ZeroIntensity Sep 24, 2024
aa00ebc
Add sanity check.
ZeroIntensity Sep 24, 2024
57bb25a
Remove obsolete loop parameter.
ZeroIntensity Sep 24, 2024
6940889
Deprecate the loop parameter.
ZeroIntensity Sep 24, 2024
d01ed7f
News: only mention the bugfix.
ZeroIntensity Sep 24, 2024
9c04271
Update Lib/test/test_asyncio/test_staggered.py
ZeroIntensity Sep 26, 2024
e11a52a
Update Lib/asyncio/staggered.py
ZeroIntensity Sep 26, 2024
3fbbedb
code review
kumaraditya303 Sep 26, 2024
1b2e217
fix news
kumaraditya303 Sep 26, 2024
e1047b9
better tests
kumaraditya303 Sep 26, 2024
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Remove obsolete loop parameter.
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@ZeroIntensity
ZeroIntensity committed Sep 24, 2024
commit 57bb25a6324252998146ea4e0dd4075dcfbf6929
2 changes: 1 addition & 1 deletion Lib/asyncio/base_events.py
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Expand Up @@ -1144,7 +1144,7 @@ async def create_connection(
(functools.partial(self._connect_sock,
exceptions, addrinfo, laddr_infos)
for addrinfo in infos),
happy_eyeballs_delay, loop=self)
happy_eyeballs_delay)

if sock is None:
exceptions = [exc for sub in exceptions for exc in sub]
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5 changes: 2 additions & 3 deletions Lib/asyncio/staggered.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,8 @@
class _Done(Exception):
pass

async def staggered_race(coro_fns, delay, *, loop=None):

async def staggered_race(coro_fns, delay):
"""Run coroutines with staggered start times and take the first to finish.

This method takes an iterable of coroutine functions. The first one is
Expand Down Expand Up @@ -44,8 +45,6 @@ async def staggered_race(coro_fns, delay, *, loop=None):
delay: amount of time, in seconds, between starting coroutines. If
``None``, the coroutines will run sequentially.

loop: the event loop to use.

Returns:
tuple *(winner_result, winner_index, exceptions)* where

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