[Python-Dev] PEP 467: Minor API improvements to bytes, bytearray, and memoryview

Ethan Furman ethan at stoneleaf.us
Tue Jun 7 18:46:00 EDT 2016

On 06/07/2016 02:33 PM, Paul Sokolovsky wrote:

>> This PEP proposes to deprecate that behaviour in Python 3.6, and
>> remove it entirely in Python 3.7.
> Why the desire to break applications of thousands and thousands of
> people? Besides, bytes(3) behavior is very logical. Everyone who knows
> what malloc(3) does also knows what bytes(3) does. Who doesn't, can
> learn, and eventually be grateful that learning Python actually helped
> them to learn other language as well.

Two reasons:

1) bytes are immutable, so creating a 3-byte 0x00 string seems

2) Python is not C, and the vagaries of malloc are not relevant to

However, there is little point in breaking working code, so a 
deprecation without removal is fine by me.


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