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✏️ Editing: fix_execfile.py

# 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 fixer_base
from ..fixer_util import (Comma, Name, Call, LParen, RParen, Dot, Node,
                          ArgList, String, syms)

class FixExecfile(fixer_base.BaseFix):
    BM_compatible = True

PATTERN = """
    power< 'execfile' trailer< '(' arglist< filename=any [',' globals=any [',' locals=any ] ] > ')' > >
    |
    power< 'execfile' trailer< '(' filename=any ')' > >
    """

def transform(self, node, results):
        assert results
        filename = results["filename"]
        globals = results.get("globals")
        locals = results.get("locals")

# Copy over the prefix from the right parentheses end of the execfile
        # call.
        execfile_paren = node.children[-1].children[-1].clone()
        # Construct open().read().
        open_args = ArgList([filename.clone(), Comma(), String('"rb"', ' ')],
                            rparen=execfile_paren)
        open_call = Node(syms.power, [Name("open"), open_args])
        read = [Node(syms.trailer, [Dot(), Name('read')]),
                Node(syms.trailer, [LParen(), RParen()])]
        open_expr = [open_call] + read
        # Wrap the open call in a compile call. This is so the filename will be
        # preserved in the execed code.
        filename_arg = filename.clone()
        filename_arg.prefix = " "
        exec_str = String("'exec'", " ")
        compile_args = open_expr + [Comma(), filename_arg, Comma(), exec_str]
        compile_call = Call(Name("compile"), compile_args, "")
        # Finally, replace the execfile call with an exec call.
        args = [compile_call]
        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.prefix)

📁 __pycache__ | ✏️ Rename | 🗑️ Delete
📄 fix_apply.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_asserts.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_basestring.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_buffer.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_dict.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_except.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_exec.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_execfile.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_exitfunc.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_filter.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_funcattrs.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_future.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_getcwdu.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_has_key.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_idioms.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_import.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_imports.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_imports2.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_input.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_intern.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_isinstance.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_itertools.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_itertools_imports.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_long.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_map.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_metaclass.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_methodattrs.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_ne.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_next.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_nonzero.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_numliterals.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_operator.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_paren.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_print.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_raise.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_raw_input.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_reduce.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_reload.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_renames.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_repr.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_set_literal.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_standarderror.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_sys_exc.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_throw.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_tuple_params.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_types.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_unicode.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_urllib.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_ws_comma.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_xrange.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_xreadlines.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fix_zip.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 __init__.py | ✏️ Edit | ✏️ Rename | 🗑️ Delete

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