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annotate Lib/lib2to3/fixes/fix_input.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents b36cb4602e21
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 """Fixer that changes input(...) into eval(input(...))."""
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2 # Author: Andre Roberge
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3
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4 # Local imports
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5 from .. import fixer_base
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6 from ..fixer_util import Call, Name
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7 from .. import patcomp
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8
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9
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10 context = patcomp.compile_pattern("power< 'eval' trailer< '(' any ')' > >")
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11
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12
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13 class FixInput(fixer_base.BaseFix):
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14 BM_compatible = True
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15 PATTERN = """
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16 power< 'input' args=trailer< '(' [any] ')' > >
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17 """
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18
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19 def transform(self, node, results):
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20 # If we're already wrapped in a eval() call, we're done.
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21 if context.match(node.parent.parent):
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22 return
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23
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24 new = node.clone()
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25 new.prefix = u""
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26 return Call(Name(u"eval"), [new], prefix=node.prefix)