cpython/Lib/lib2to3/fixes/fix_reduce.py

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Merged revisions 67806 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ................ r67806 | benjamin.peterson | 2008-12-15 21:35:28 -0600 (Mon, 15 Dec 2008) | 111 lines Merged revisions 67427,67431,67433,67435,67630,67652,67656-67657,67674-67675,67678-67679,67705-67706,67716,67723,67765-67771,67774,67776,67778 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r67427 | benjamin.peterson | 2008-11-28 16:07:41 -0600 (Fri, 28 Nov 2008) | 1 line fix spelling in comment ........ r67431 | benjamin.peterson | 2008-11-28 17:14:08 -0600 (Fri, 28 Nov 2008) | 1 line add a scripts directory; move things to it ........ r67433 | benjamin.peterson | 2008-11-28 17:18:48 -0600 (Fri, 28 Nov 2008) | 1 line run svneol.py ........ r67435 | benjamin.peterson | 2008-11-28 17:25:03 -0600 (Fri, 28 Nov 2008) | 1 line rename pre/post_order_mapping to pre/post_order_heads ........ r67630 | alexandre.vassalotti | 2008-12-06 21:51:56 -0600 (Sat, 06 Dec 2008) | 2 lines Fix typo in the urllib2.HTTPDigestAuthHandler fixer. ........ r67652 | armin.ronacher | 2008-12-07 15:39:43 -0600 (Sun, 07 Dec 2008) | 5 lines Added a fixer that cleans up a tuple argument to isinstance after the tokens in it were fixed. This is mainly used to remove double occurrences of tokens as a leftover of the long -> int / unicode -> str conversion. ........ r67656 | armin.ronacher | 2008-12-07 16:54:16 -0600 (Sun, 07 Dec 2008) | 3 lines Added missing copyright fo 2to3 fix_isinstance. ........ r67657 | armin.ronacher | 2008-12-07 18:29:35 -0600 (Sun, 07 Dec 2008) | 3 lines 2to3: intern and reduce fixes now add the imports if missing. Because that is a common task the fixer_util module now has a function "touch_import" that adds imports if missing. ........ r67674 | benjamin.peterson | 2008-12-08 19:58:11 -0600 (Mon, 08 Dec 2008) | 1 line copy permission bits when making backup files #4602 ........ r67675 | benjamin.peterson | 2008-12-08 19:59:11 -0600 (Mon, 08 Dec 2008) | 1 line add forgotten import ........ r67678 | benjamin.peterson | 2008-12-08 20:08:30 -0600 (Mon, 08 Dec 2008) | 1 line fix #4602 for real ........ r67679 | armin.ronacher | 2008-12-09 00:54:03 -0600 (Tue, 09 Dec 2008) | 3 lines Removed redudant code from the 2to3 long fixer. This fixes #4590. ........ r67705 | benjamin.peterson | 2008-12-11 13:04:08 -0600 (Thu, 11 Dec 2008) | 1 line put trailers after a range call after the list() ........ r67706 | benjamin.peterson | 2008-12-11 13:17:57 -0600 (Thu, 11 Dec 2008) | 1 line add html related modules to the fix_imports mapping ........ r67716 | benjamin.peterson | 2008-12-11 22:16:47 -0600 (Thu, 11 Dec 2008) | 1 line consolidate tests ........ r67723 | benjamin.peterson | 2008-12-12 19:49:31 -0600 (Fri, 12 Dec 2008) | 1 line fix name ........ r67765 | benjamin.peterson | 2008-12-14 14:05:05 -0600 (Sun, 14 Dec 2008) | 1 line run fix_isinstance after fix_long and fix_unicode ........ r67766 | benjamin.peterson | 2008-12-14 14:13:05 -0600 (Sun, 14 Dec 2008) | 1 line use run_order instead of order ........ r67767 | benjamin.peterson | 2008-12-14 14:28:12 -0600 (Sun, 14 Dec 2008) | 1 line don't retain parenthesis if there is only one item left ........ r67768 | benjamin.peterson | 2008-12-14 14:32:30 -0600 (Sun, 14 Dec 2008) | 1 line use insert_child() ........ r67769 | benjamin.peterson | 2008-12-14 14:59:10 -0600 (Sun, 14 Dec 2008) | 1 line parenthesize doesn't belong in pygram or FixerBase ........ r67770 | alexandre.vassalotti | 2008-12-14 15:15:36 -0600 (Sun, 14 Dec 2008) | 2 lines Fix typo: html.paser -> html.parser. ........ r67771 | benjamin.peterson | 2008-12-14 15:22:09 -0600 (Sun, 14 Dec 2008) | 1 line altering .children needs to call changed() ........ r67774 | benjamin.peterson | 2008-12-14 15:55:38 -0600 (Sun, 14 Dec 2008) | 1 line employ an evil hack to fix multiple names in the same import statement ........ r67776 | benjamin.peterson | 2008-12-14 16:22:38 -0600 (Sun, 14 Dec 2008) | 1 line make a common mixin class for Test_imports and friends ........ r67778 | alexandre.vassalotti | 2008-12-14 17:48:20 -0600 (Sun, 14 Dec 2008) | 2 lines Make fix_imports refactor multiple imports as. ........ ................
2008-12-15 23:57:54 -04:00
# Copyright 2008 Armin Ronacher.
# Licensed to PSF under a Contributor Agreement.
"""Fixer for reduce().
Makes sure reduce() is imported from the functools module if reduce is
used in that module.
"""
Merged revisions 80934 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ................ r80934 | benjamin.peterson | 2010-05-07 13:58:23 -0500 (Fri, 07 May 2010) | 69 lines Merged revisions 79911,79916-79917,80018,80418,80572-80573,80635-80639,80668,80922 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r79911 | benjamin.peterson | 2010-04-09 15:38:53 -0500 (Fri, 09 Apr 2010) | 1 line use absolute import ........ r79916 | benjamin.peterson | 2010-04-09 16:05:21 -0500 (Fri, 09 Apr 2010) | 1 line generalize detection of __future__ imports and attach them to the tree ........ r79917 | benjamin.peterson | 2010-04-09 16:11:44 -0500 (Fri, 09 Apr 2010) | 1 line don't try to 'fix' relative imports when absolute_import is enabled #8858 ........ r80018 | benjamin.peterson | 2010-04-12 16:12:12 -0500 (Mon, 12 Apr 2010) | 4 lines prevent diffs from being mangled is multiprocess mode #6409 Patch by George Boutsioukis. ........ r80418 | benjamin.peterson | 2010-04-23 16:00:03 -0500 (Fri, 23 Apr 2010) | 1 line remove unhelpful description ........ r80572 | benjamin.peterson | 2010-04-27 20:33:54 -0500 (Tue, 27 Apr 2010) | 1 line use unicode literals ........ r80573 | jeffrey.yasskin | 2010-04-27 23:08:27 -0500 (Tue, 27 Apr 2010) | 6 lines Don't transform imports that are already relative. 2to3 turned from . import refactor into from .. import refactor which broke the transformation of 2to3 itself. ........ r80635 | benjamin.peterson | 2010-04-29 16:02:23 -0500 (Thu, 29 Apr 2010) | 1 line remove imports ........ r80636 | benjamin.peterson | 2010-04-29 16:02:41 -0500 (Thu, 29 Apr 2010) | 1 line unicode literal ........ r80637 | benjamin.peterson | 2010-04-29 16:03:42 -0500 (Thu, 29 Apr 2010) | 1 line must pass a string to Number ........ r80638 | benjamin.peterson | 2010-04-29 16:05:34 -0500 (Thu, 29 Apr 2010) | 1 line unicode literals ........ r80639 | benjamin.peterson | 2010-04-29 16:06:09 -0500 (Thu, 29 Apr 2010) | 1 line pass string to Number ........ r80668 | jeffrey.yasskin | 2010-04-30 18:02:47 -0500 (Fri, 30 Apr 2010) | 4 lines Make 2to3 run under Python 2.5 so that the benchmark suite at http://hg.python.org/benchmarks/ can use it and still run on implementations that haven't gotten to 2.6 yet. Fixes issue 8566. ........ r80922 | benjamin.peterson | 2010-05-07 11:06:25 -0500 (Fri, 07 May 2010) | 1 line prevent xrange transformation from wrapping range calls it produces in list ........ ................
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from lib2to3 import fixer_base
from lib2to3.fixer_util import touch_import
Merged revisions 67806 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ................ r67806 | benjamin.peterson | 2008-12-15 21:35:28 -0600 (Mon, 15 Dec 2008) | 111 lines Merged revisions 67427,67431,67433,67435,67630,67652,67656-67657,67674-67675,67678-67679,67705-67706,67716,67723,67765-67771,67774,67776,67778 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r67427 | benjamin.peterson | 2008-11-28 16:07:41 -0600 (Fri, 28 Nov 2008) | 1 line fix spelling in comment ........ r67431 | benjamin.peterson | 2008-11-28 17:14:08 -0600 (Fri, 28 Nov 2008) | 1 line add a scripts directory; move things to it ........ r67433 | benjamin.peterson | 2008-11-28 17:18:48 -0600 (Fri, 28 Nov 2008) | 1 line run svneol.py ........ r67435 | benjamin.peterson | 2008-11-28 17:25:03 -0600 (Fri, 28 Nov 2008) | 1 line rename pre/post_order_mapping to pre/post_order_heads ........ r67630 | alexandre.vassalotti | 2008-12-06 21:51:56 -0600 (Sat, 06 Dec 2008) | 2 lines Fix typo in the urllib2.HTTPDigestAuthHandler fixer. ........ r67652 | armin.ronacher | 2008-12-07 15:39:43 -0600 (Sun, 07 Dec 2008) | 5 lines Added a fixer that cleans up a tuple argument to isinstance after the tokens in it were fixed. This is mainly used to remove double occurrences of tokens as a leftover of the long -> int / unicode -> str conversion. ........ r67656 | armin.ronacher | 2008-12-07 16:54:16 -0600 (Sun, 07 Dec 2008) | 3 lines Added missing copyright fo 2to3 fix_isinstance. ........ r67657 | armin.ronacher | 2008-12-07 18:29:35 -0600 (Sun, 07 Dec 2008) | 3 lines 2to3: intern and reduce fixes now add the imports if missing. Because that is a common task the fixer_util module now has a function "touch_import" that adds imports if missing. ........ r67674 | benjamin.peterson | 2008-12-08 19:58:11 -0600 (Mon, 08 Dec 2008) | 1 line copy permission bits when making backup files #4602 ........ r67675 | benjamin.peterson | 2008-12-08 19:59:11 -0600 (Mon, 08 Dec 2008) | 1 line add forgotten import ........ r67678 | benjamin.peterson | 2008-12-08 20:08:30 -0600 (Mon, 08 Dec 2008) | 1 line fix #4602 for real ........ r67679 | armin.ronacher | 2008-12-09 00:54:03 -0600 (Tue, 09 Dec 2008) | 3 lines Removed redudant code from the 2to3 long fixer. This fixes #4590. ........ r67705 | benjamin.peterson | 2008-12-11 13:04:08 -0600 (Thu, 11 Dec 2008) | 1 line put trailers after a range call after the list() ........ r67706 | benjamin.peterson | 2008-12-11 13:17:57 -0600 (Thu, 11 Dec 2008) | 1 line add html related modules to the fix_imports mapping ........ r67716 | benjamin.peterson | 2008-12-11 22:16:47 -0600 (Thu, 11 Dec 2008) | 1 line consolidate tests ........ r67723 | benjamin.peterson | 2008-12-12 19:49:31 -0600 (Fri, 12 Dec 2008) | 1 line fix name ........ r67765 | benjamin.peterson | 2008-12-14 14:05:05 -0600 (Sun, 14 Dec 2008) | 1 line run fix_isinstance after fix_long and fix_unicode ........ r67766 | benjamin.peterson | 2008-12-14 14:13:05 -0600 (Sun, 14 Dec 2008) | 1 line use run_order instead of order ........ r67767 | benjamin.peterson | 2008-12-14 14:28:12 -0600 (Sun, 14 Dec 2008) | 1 line don't retain parenthesis if there is only one item left ........ r67768 | benjamin.peterson | 2008-12-14 14:32:30 -0600 (Sun, 14 Dec 2008) | 1 line use insert_child() ........ r67769 | benjamin.peterson | 2008-12-14 14:59:10 -0600 (Sun, 14 Dec 2008) | 1 line parenthesize doesn't belong in pygram or FixerBase ........ r67770 | alexandre.vassalotti | 2008-12-14 15:15:36 -0600 (Sun, 14 Dec 2008) | 2 lines Fix typo: html.paser -> html.parser. ........ r67771 | benjamin.peterson | 2008-12-14 15:22:09 -0600 (Sun, 14 Dec 2008) | 1 line altering .children needs to call changed() ........ r67774 | benjamin.peterson | 2008-12-14 15:55:38 -0600 (Sun, 14 Dec 2008) | 1 line employ an evil hack to fix multiple names in the same import statement ........ r67776 | benjamin.peterson | 2008-12-14 16:22:38 -0600 (Sun, 14 Dec 2008) | 1 line make a common mixin class for Test_imports and friends ........ r67778 | alexandre.vassalotti | 2008-12-14 17:48:20 -0600 (Sun, 14 Dec 2008) | 2 lines Make fix_imports refactor multiple imports as. ........ ................
2008-12-15 23:57:54 -04:00
class FixReduce(fixer_base.BaseFix):
PATTERN = """
power< 'reduce'
trailer< '('
arglist< (
(not(argument<any '=' any>) any ','
not(argument<any '=' any>) any) |
(not(argument<any '=' any>) any ','
not(argument<any '=' any>) any ','
not(argument<any '=' any>) any)
) >
')' >
>
"""
def transform(self, node, results):
touch_import('functools', 'reduce', node)