eric6/Plugins/CheckerPlugins/CodeStyleChecker/Security/Checks/exec.py

# -*- coding: utf-8 -*-

# Copyright (c) 2020 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a check for the use of 'exec'.
"""

#
# This is a modified version of the one found in the bandit package.
#
# Original Copyright 2014 Hewlett-Packard Development Company, L.P.
#
# SPDX-License-Identifier: Apache-2.0
#

import sys


def getChecks():
    """
    Public method to get a dictionary with checks handled by this module.
    
    @return dictionary containing checker lists containing checker function and
        list of codes
    @rtype dict
    """
    if sys.version_info[0] == 2:
        return {
            "Exec": [
                (checkExecUsed, ("S102",)),
            ],
        }
    else:
        return {
            "Call": [
                (checkExecUsed, ("S102",)),
            ],
        }


def checkExecUsed(reportError, context, config):
    """
    Function to check for the use of 'exec'.
    
    @param reportError function to be used to report errors
    @type func
    @param context security context object
    @type SecurityContext
    @param config dictionary with configuration data
    @type dict
    """
    if (
        sys.version_info[0] == 2 or
        context.callFunctionNameQual == 'exec'
    ):
        reportError(
            context.node.lineno - 1,
            context.node.col_offset,
            "S102",
            "M",
            "H"
        )