"""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())