Warn about tuple parameters

[benjaminp]

BPO	3060
Nosy	@birkenfeld, @benjaminp
Files	tuple_parameters_warn.patch tuple_parameters_warn2.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/birkenfeld'
closed_at = <Date 2008-06-08.23:11:06.886>
created_at = <Date 2008-06-08.01:45:53.270>
labels = ['interpreter-core', 'type-bug']
title = 'Warn about tuple parameters'
updated_at = <Date 2008-06-08.23:11:06.885>
user = 'https://github.com/benjaminp'

bugs.python.org fields:

activity = <Date 2008-06-08.23:11:06.885>
actor = 'benjamin.peterson'
assignee = 'georg.brandl'
closed = True
closed_date = <Date 2008-06-08.23:11:06.886>
closer = 'benjamin.peterson'
components = ['Interpreter Core']
creation = <Date 2008-06-08.01:45:53.270>
creator = 'benjamin.peterson'
dependencies = []
files = ['10549', '10553']
hgrepos = []
issue_num = 3060
keywords = ['patch']
message_count = 6.0
messages = ['67820', '67823', '67825', '67842', '67845', '67850']
nosy_count = 2.0
nosy_names = ['georg.brandl', 'benjamin.peterson']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue3060'
versions = ['Python 2.6']

[benjaminp]

This patch adds Py3k warnings to nested tuple parameters.

[birkenfeld]

Why not warn in the AST, like for the other syntax-related changes?
The relevant location is ast_for_arguments, line 680 in current SVN.

[birkenfeld]

Also a test is missing.

[benjaminp]

Why not warn in the AST, like for the other syntax-related changes?

because I was reading through symtable.c at the time. :)

Anyway, here's a better patch.

[birkenfeld]

Replace "upacking" with "unpacking" and you can commit it :)

[benjaminp]

Done with r64045.