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gh-106939: document ShareableList nul-strip quirk. #107266

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Jul 25, 2023
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gh-106939: document ShareableList nul-strip quirk. #107266

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gh-106939: document ShareableList nul-strip quirk.
gpshead Jul 25, 2023
1013e30
Mention the `int` size constraint.
gpshead Jul 25, 2023
59dea5a
fix the doctest
gpshead Jul 25, 2023
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Mention the int size constraint.
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@gpshead
gpshead committed Jul 25, 2023
commit 1013e304ab368f3486e8d123334cd45e19f9c55b
15 changes: 8 additions & 7 deletions Doc/library/multiprocessing.shared_memory.rst
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Expand Up @@ -255,16 +255,17 @@ shared memory blocks created using that manager are all released when the
:keyword:`with` statement's code block finishes execution.


.. class:: ShareableList(sequence=None, *, name=None)
.. class:: ShareableList(sequence=None, \*, name=None)

Provides a mutable list-like object where all values stored within are
stored in a shared memory block. This constrains storable values to
only the ``int``, ``float``, ``bool``, ``str`` (less than 10M bytes each),
``bytes`` (less than 10M bytes each), and ``None`` built-in data types.
It also notably differs from the built-in ``list`` type in that these
lists can not change their overall length (i.e. no append, insert, etc.)
and do not support the dynamic creation of new :class:`ShareableList`
instances via slicing.
only the ``int`` (signed 64-bit), ``float``, ``bool``, ``str`` (less
than 10M bytes each when encoded as utf-8), ``bytes`` (less than 10M
bytes each), and ``None`` built-in data types. It also notably
differs from the built-in ``list`` type in that these lists can not
change their overall length (i.e. no append, insert, etc.) and do not
support the dynamic creation of new :class:`ShareableList` instances
via slicing.

*sequence* is used in populating a new ``ShareableList`` full of values.
Set to ``None`` to instead attach to an already existing
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