cpython/Lib/lib2to3/fixes/fix_input.py

27 lines
692 B
Python

"""Fixer that changes input(...) into eval(input(...))."""
# Author: Andre Roberge
# Local imports
from .. import fixer_base
from ..fixer_util import Call, Name
from .. import patcomp
context = patcomp.compile_pattern("power< 'eval' trailer< '(' any ')' > >")
class FixInput(fixer_base.BaseFix):
PATTERN = """
power< 'input' args=trailer< '(' [any] ')' > >
"""
def transform(self, node, results):
# If we're already wrapped in a eval() call, we're done.
if context.match(node.parent.parent):
return
new = node.clone()
new.set_prefix("")
return Call(Name("eval"), [new], prefix=node.get_prefix())