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Fri Jan 6 17:33:27 EST 2017 · https://mail.python.org/pipermail/python-dev/2017-January/147126.html

On Fri, Jan 6, 2017 at 4:43 PM, Serhiy Storchaka <storchaka at gmail.com>
wrote:

> Compare these two calls:
>>
>> from array import array
>>>>> bytes(array('h', [1, 2, 3]))
>>>>>
>>>> b'\x01\x00\x02\x00\x03\x00'
>>
>> and
>>
>> bytes(array('f', [1, 2, 3]))
>>>>>
>>>> b'\x00\x00\x80?\x00\x00\x00@\x00\x00@@'
>>
>
> I don't see a difference.

Hmm indeed.  Doesn't this contradict the documentation?

>>> help(bytes)
..
class bytes(object)
 |  bytes(iterable_of_ints) -> bytes
 |  bytes(string, encoding[, errors]) -> bytes
 |  bytes(bytes_or_buffer) -> immutable copy of bytes_or_buffer
..

This suggests that iterable_of_ints is tried first.
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Showing content from https://mail.python.org/pipermail/python-dev/2017-January/147126.html below:

[Python-Dev] Adding bytes.frombuffer() constructor to PEP 467