38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
|
# Copyright 2006 Google, Inc. All Rights Reserved.
|
||
|
|
# Licensed to PSF under a Contributor Agreement.
|
||
|
|
|
||
|
|
"""Fixer for execfile.
|
||
|
|
|
||
|
|
This converts usages of the execfile function into calls to the built-in
|
||
|
|
exec() function.
|
||
|
|
"""
|
||
|
|
|
||
|
|
from .. import pytree
|
||
|
|
from . import basefix
|
||
|
|
from .util import Comma, Name, Call, LParen, RParen, Dot
|
||
|
|
|
||
|
|
|
||
|
|
class FixExecfile(basefix.BaseFix):
|
||
|
|
|
||
|
|
PATTERN = """
|
||
|
|
power< 'execfile' trailer< '(' arglist< filename=any [',' globals=any [',' locals=any ] ] > ')' > >
|
||
|
|
|
|
||
|
|
power< 'execfile' trailer< '(' filename=any ')' > >
|
||
|
|
"""
|
||
|
|
|
||
|
|
def transform(self, node, results):
|
||
|
|
assert results
|
||
|
|
syms = self.syms
|
||
|
|
filename = results["filename"]
|
||
|
|
globals = results.get("globals")
|
||
|
|
locals = results.get("locals")
|
||
|
|
args = [Name('open'), LParen(), filename.clone(), RParen(), Dot(),
|
||
|
|
Name('read'), LParen(), RParen()]
|
||
|
|
args[0].set_prefix("")
|
||
|
|
if globals is not None:
|
||
|
|
args.extend([Comma(), globals.clone()])
|
||
|
|
if locals is not None:
|
||
|
|
args.extend([Comma(), locals.clone()])
|
||
|
|
|
||
|
|
return Call(Name("exec"), args, prefix=node.get_prefix())
|