[Python-Dev] PEP 467: Minor API improvements for bytes & bytearray

[Victor Stinner]

2014-08-15 7:50 GMT+02:00 Nick Coghlan <ncoghlan at gmail.com>:
> As far as I am aware, that last item poses the only open question,
> with the alternative being to add an "iterbytes" builtin (...)

Do you have examples of use cases for a builtin function? I only found
5 usages of bytes((byte,)) constructor in the standard library:

$ grep -E 'bytes\(\([^)]+, *\)\)' $(find -name "*.py")
./Lib/quopri.py:            c = bytes((c,))
./Lib/quopri.py:        c = bytes((c,))
./Lib/base64.py:        b32tab = [bytes((i,)) for i in _b32alphabet]
./Lib/base64.py:        _a85chars = [bytes((i,)) for i in range(33, 118)]
./Lib/base64.py:        _b85chars = [bytes((i,)) for i in _b85alphabet]

bytes.iterbytes() can be used in 4 cases on 5. Adding a new builtin
for a single line in the whole standard library doesn't look right.

Victor