Message 416538 - Python tracker

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Author	malin
Recipients	malin
Date	2022-04-02.06:28:23
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1648880903.17.0.104458885779.issue47199@roundup.psfhosted.org>
In-reply-to

Content
`bytes(m)` can be replaced by memoryview.cast('B'), then no need for data copying. m = memoryview(buf) # HACK for byte-indexing of non-bytewise buffers (e.g. array.array) if m.itemsize > 1: m = memoryview(bytes(m)) n = len(m) https://github.com/python/cpython/blob/v3.11.0a6/Lib/multiprocessing/connection.py#L190-L194

`bytes(m)` can be replaced by memoryview.cast('B'), then no need for data copying.

        m = memoryview(buf)
        # HACK for byte-indexing of non-bytewise buffers (e.g. array.array)
        if m.itemsize > 1:
            m = memoryview(bytes(m))
        n = len(m)

https://github.com/python/cpython/blob/v3.11.0a6/Lib/multiprocessing/connection.py#L190-L194

History
Date	User	Action	Args
2022-04-02 06:28:23	malin	set	recipients: + malin
2022-04-02 06:28:23	malin	set	messageid: <1648880903.17.0.104458885779.issue47199@roundup.psfhosted.org>
2022-04-02 06:28:23	malin	link	issue47199 messages
2022-04-02 06:28:23	malin	create