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