PEP 3137: Remove the buffer API from PyUnicode

[avassalotti]

BPO	1260
Nosy	@gvanrossum, @avassalotti
Files	unicode_rm_buf_api.patch unicode_rm_buf_api_02.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/gvanrossum'
closed_at = <Date 2007-10-14.02:09:05.825>
created_at = <Date 2007-10-11.03:00:26.825>
labels = []
title = 'PEP 3137: Remove the buffer API from PyUnicode'
updated_at = <Date 2007-10-14.02:09:05.824>
user = 'https://github.com/avassalotti'

bugs.python.org fields:

activity = <Date 2007-10-14.02:09:05.824>
actor = 'gvanrossum'
assignee = 'gvanrossum'
closed = True
closed_date = <Date 2007-10-14.02:09:05.825>
closer = 'gvanrossum'
components = []
creation = <Date 2007-10-11.03:00:26.825>
creator = 'alexandre.vassalotti'
dependencies = []
files = ['8507', '8531']
hgrepos = []
issue_num = 1260
keywords = ['patch']
message_count = 5.0
messages = ['56336', '56392', '56395', '56400', '56403']
nosy_count = 2.0
nosy_names = ['gvanrossum', 'alexandre.vassalotti']
pr_nums = []
priority = 'normal'
resolution = 'accepted'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue1260'
versions = ['Python 3.0']

[avassalotti]

This patch removes the buffer API from PyUnicode, as specified by PEP-3137. All the unit tests passes. However, I believe there is a few
function calls to PyArg API that could become problematic if they are
given a PyUnicode object:

% egrep -R --include='*.c' 'PyArg.*Parse.*"[^;:]*[cwt].*"' py3k/

I haven't checked these function calls yet. So, it would probably be a
good idea to wait I do so before committing this patch.

[avassalotti]

There was a problem with one of the call of PyArg_ParseTuple in the OS/2
version of listdir() in the posix module. I also clarified the error
message of the 't' format unit.

[gvanrossum]

Can you svn update and resolve conflicts? Travis made some changes to
unicodeobject.c that conflic with your patch.

[gvanrossum]

You can check this in. You do have checkin privs right?

[avassalotti]

Committed in r58455.