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/lib64/python3.6/lib2to3/fixes/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)

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__pycache__ DIR	-	drwxr-xr-x	2026-02-06 23:01:23	Edit Download recursive recursive
fix_apply.py	2.37 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_asserts.py	984 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_basestring.py	320 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_buffer.py	590 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_dict.py	3.67 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_except.py	3.27 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_exec.py	979 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_execfile.py	2.00 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_exitfunc.py	2.44 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_filter.py	2.59 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_funcattrs.py	644 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_future.py	547 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_getcwdu.py	451 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_has_key.py	3.12 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_idioms.py	4.76 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_import.py	3.18 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_imports.py	5.55 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_imports2.py	289 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_input.py	708 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_intern.py	1.21 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_isinstance.py	1.57 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_itertools.py	1.51 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_itertools_imports.py	2.04 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_long.py	476 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_map.py	3.55 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_metaclass.py	8.00 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_methodattrs.py	606 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_ne.py	571 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_next.py	3.10 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_nonzero.py	591 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_numliterals.py	768 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_operator.py	3.39 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_paren.py	1.20 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_print.py	2.78 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_raise.py	2.86 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_raw_input.py	454 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_reduce.py	837 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_reload.py	1.13 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
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fix_repr.py	613 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_set_literal.py	1.66 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_standarderror.py	449 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_sys_exc.py	1.01 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_throw.py	1.54 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_tuple_params.py	5.43 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_types.py	1.73 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_unicode.py	1.23 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_urllib.py	8.16 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_ws_comma.py	1.06 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_xrange.py	2.63 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_xreadlines.py	689 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_zip.py	1.26 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
__init__.py	47 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive