list.sort.__doc__ says "cmp" is a keyword, but it isn't.

@birkenfeld

BPO	2285
Nosy	@birkenfeld

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GitHub fields:

assignee = 'https://github.com/birkenfeld'
closed_at = <Date 2008-03-14.13:29:09.555>
created_at = <Date 2008-03-14.11:11:57.758>
labels = ['docs']
title = 'list.sort.__doc__ says "cmp" is a keyword, but it isn\'t.'
updated_at = <Date 2008-03-14.13:29:09.539>
user = 'https://bugs.python.org/dbinger'

bugs.python.org fields:

activity = <Date 2008-03-14.13:29:09.539>
actor = 'georg.brandl'
assignee = 'georg.brandl'
closed = True
closed_date = <Date 2008-03-14.13:29:09.555>
closer = 'georg.brandl'
components = ['Documentation']
creation = <Date 2008-03-14.11:11:57.758>
creator = 'dbinger'
dependencies = []
files = []
hgrepos = []
issue_num = 2285
keywords = []
message_count = 4.0
messages = ['63521', '63522', '63524', '63525']
nosy_count = 3.0
nosy_names = ['georg.brandl', 'dbinger', 'brunogola']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue2285'
versions = ['Python 3.0']

(at revision 61376)

It looks like this docstring needs to be updated.

i'm using the lastest version from subversion (trunk) and cmp still is a
keyord for list.sort.

Hi Bruno,
Are you testing py3k? This is what I see:

  Python 3.0a3+ (py3k:61352M, Mar 12 2008, 13:11:35)
[GCC 4.0.1 (Apple Inc. build 5465)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
 >>> [].sort(cmp=lambda x, y: 1)
Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
TypeError: 'cmp' is an invalid keyword argument for this function
 >>>

In listobject.c, in listsort(), at line 1863, we have
the following, which appears to be where "key" and "reverse"
keyword args are supported, but not "cmp".

	static char *kwlist[] = {"key", "reverse", 0};

	assert(self != NULL);
	assert (PyList_Check(self));
	if (args != NULL) {
		if (!PyArg_ParseTupleAndKeywords(args, kwds, "|Oi:sort",

On Mar 14, 2008, at 8:41 AM, Bruno Gola wrote:

Bruno Gola <[email protected]> added the comment:

i'm using the lastest version from subversion (trunk) and cmp still
is a
keyord for list.sort.

Thanks, fixed in r61377.

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list.sort.doc says "cmp" is a keyword, but it isn't. #46538

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list.sort.__doc__ says "cmp" is a keyword, but it isn't. #46538

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dbinger commented on Mar 14, 2008

brunogola commented on Mar 14, 2008

dbinger commented on Mar 14, 2008

birkenfeld commented on Mar 14, 2008

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list.sort.doc says "cmp" is a keyword, but it isn't. #46538