cpython/Lib/lib2to3/fixes/fix_reduce.py

33 lines
795 B
Python
Raw Normal View History

2010-02-05 22:40:03 -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 ........ ................
2010-05-07 16:06:32 -03:00
from lib2to3 import fixer_base
from lib2to3.fixer_util import touch_import
2010-02-05 22:40:03 -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(u'functools', u'reduce', node)