Update lib2to3 grammar to include missing unpacking generalizations.

[ezio-melotti]

BPO	25969
Nosy	@gpshead, @benjaminp, @ezio-melotti, @1st1, @zhangyangyu
Files	issue25969-gps01.diff

^{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/gpshead'
closed_at = <Date 2016-09-10.01:34:28.710>
created_at = <Date 2015-12-28.22:16:18.963>
labels = ['type-bug', 'library']
title = 'Update lib2to3 grammar to include missing unpacking generalizations.'
updated_at = <Date 2016-09-10.18:21:34.042>
user = 'https://github.com/ezio-melotti'

bugs.python.org fields:

activity = <Date 2016-09-10.18:21:34.042>
actor = 'gregory.p.smith'
assignee = 'gregory.p.smith'
closed = True
closed_date = <Date 2016-09-10.01:34:28.710>
closer = 'gregory.p.smith'
components = ['Library (Lib)']
creation = <Date 2015-12-28.22:16:18.963>
creator = 'ezio.melotti'
dependencies = []
files = ['44518']
hgrepos = []
issue_num = 25969
keywords = ['patch']
message_count = 5.0
messages = ['257138', '275526', '275531', '275654', '275666']
nosy_count = 6.0
nosy_names = ['gregory.p.smith', 'benjamin.peterson', 'ezio.melotti', 'python-dev', 'yselivanov', 'xiang.zhang']
pr_nums = []
priority = 'high'
resolution = 'fixed'
stage = 'commit review'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue25969'
versions = ['Python 2.7']

[ezio-melotti]

The new unpacking generalizations added in bpo-2292 should be added to the lib2to3 grammar (see msg248019 and msg248025).

See also bpo-25967.

[python-dev]

New changeset 1206c64de875 by Gregory P. Smith in branch '3.5':
Issue bpo-25969: Update the lib2to3 grammar to handle the unpacking
https://hg.python.org/cpython/rev/1206c64de875

New changeset 2460b30c1985 by Gregory P. Smith in branch 'default':
Issue bpo-25969: Update the lib2to3 grammar to handle the unpacking
https://hg.python.org/cpython/rev/2460b30c1985

[python-dev]

New changeset 8344cf7eebf8 by Gregory P. Smith in branch '2.7':
Issue bpo-25969: Update the lib2to3 grammar to handle the unpacking
https://hg.python.org/cpython/rev/8344cf7eebf8

[zhangyangyu]

Gregory, the change adds a print in: https://hg.python.org/cpython/file/tip/Lib/lib2to3/fixes/fix_reload.py#l29

./python -m test test_lib2to3
Run tests sequentially
0:00:00 [1/1] test_lib2to3
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Node(star_expr, [Leaf(16, '*'), Leaf(1, 'h')])
obj: Node(argument, [Leaf(36, '**'), Leaf(1, 'i')])
1 test OK.

Total duration: 12 sec
Tests result: SUCCESS

[gpshead]

Haha whoops, that'd be my debugging. I'll remove it this weekend if nobody
else has gotten to it.

On Sat, Sep 10, 2016, 9:44 AM Xiang Zhang <report@bugs.python.org> wrote:

Xiang Zhang added the comment:

Gregory, the change adds a print in:
https://hg.python.org/cpython/file/tip/Lib/lib2to3/fixes/fix_reload.py#l29

./python -m test test_lib2to3
Run tests sequentially
0:00:00 [1/1] test_lib2to3
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Leaf(1, 'a')
obj: Node(star_expr, [Leaf(16, '*'), Leaf(1, 'h')])
obj: Node(argument, [Leaf(36, '**'), Leaf(1, 'i')])
1 test OK.

Total duration: 12 sec
Tests result: SUCCESS

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nosy: +xiang.zhang

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Python tracker <report@bugs.python.org>
<http://bugs.python.org/issue25969\>

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