comparison env/lib/python3.7/site-packages/libpasteurize/fixes/fix_division.py @ 0:26e78fe6e8c4 draft

"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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-1:000000000000 0:26e78fe6e8c4
1 u"""
2 Fixer for division: from __future__ import division if needed
3 """
4
5 from lib2to3 import fixer_base
6 from libfuturize.fixer_util import token, future_import
7
8 def match_division(node):
9 u"""
10 __future__.division redefines the meaning of a single slash for division,
11 so we match that and only that.
12 """
13 slash = token.SLASH
14 return node.type == slash and not node.next_sibling.type == slash and \
15 not node.prev_sibling.type == slash
16
17 class FixDivision(fixer_base.BaseFix):
18 run_order = 4 # this seems to be ignored?
19
20 def match(self, node):
21 u"""
22 Since the tree needs to be fixed once and only once if and only if it
23 matches, then we can start discarding matches after we make the first.
24 """
25 return match_division(node)
26
27 def transform(self, node, results):
28 future_import(u"division", node)