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Serhiy StorchakaandClaude Opus 5 1620e0f1b5 gh-64862: Add the stop_exception parameter in iter() and aiter() (GH-156298)

The iteration stops when the callable raises the specified exception (an
exception class or a tuple of exception classes).  It is keyword-only and
can be used without the stop value.  The second parameter of iter() is now
named stop_value and can be passed as a keyword argument.

aiter() now accepts the same parameters, which it never had before: the
callable is called and its result is awaited for every __anext__().

If the callable raises StopIteration (StopAsyncIteration in aiter()) which
does not match stop_exception, it is replaced with RuntimeError, as PEP 479
and PEP 525 do for generators.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-09-01 15:55:32 +03:00

_contextvars.c.h

gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)

2025-04-09 16:18:54 -07:00

_warnings.c.h

gh-155952: Fix <unrepresentable> Argument Clinic defaults in several signatures (#155954 )

2026-08-21 10:03:51 +01:00

bltinmodule.c.h

gh-64862: Add the stop_exception parameter in iter() and aiter() (GH-156298)

2026-09-01 15:55:32 +03:00

context.c.h

gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338)