tasks/codeql_python_benchmark51_v2/pyvul-3819b1a7530257524a75/post_context.md

Patch-overlapping Python context after the fix

templated_dictionary/__init__.py — class:TemplatedDictionary (lines 9-89)

class TemplatedDictionary(MutableMapping):
    """ Dictionary where __getitem__() is run through Jinja2 template """
    def __init__(self, *args, alias_spec=None, **kwargs):
        '''
        Use the object dict.

        Optional parameter 'alias_spec' is dictionary of form:
        {'aliased_to': ['alias_one', 'alias_two', ...], ...}
        When specified, and one of the aliases is accessed - the
        'aliased_to' config option is returned.
        '''
        self.__dict__.update(*args, **kwargs)

        self.sandbox = sandbox.SandboxedEnvironment(keep_trailing_newline=True)

        self._aliases = {}
        if alias_spec:
            for aliased_to, aliases in alias_spec.items():
                for alias in aliases:
                    self._aliases[alias] = aliased_to

    # The next five methods are requirements of the ABC.
    def __setitem__(self, key, value):
        key = self._aliases.get(key, key)
        self.__dict__[key] = value

    def __getitem__(self, key):
        key = self._aliases.get(key, key)
        if '__jinja_expand' in self.__dict__ and self.__dict__['__jinja_expand']:
            return self.__render_value(self.__dict__[key])
        return self.__dict__[key]

    def __delitem__(self, key):
        del self.__dict__[key]

    def __iter__(self):
        return iter(self.__dict__)

    def __len__(self):
        return len(self.__dict__)

    # The final two methods aren't required, but nice to have
    def __str__(self):
        '''returns simple dict representation of the mapping'''
        return str(self.__dict__)

    def __repr__(self):
        '''echoes class, id, & reproducible representation in the REPL'''
        return '{}, TemplatedDictionary({})'.format(super(TemplatedDictionary, self).__repr__(),
                                                    self.__dict__)

    def copy(self):
        return TemplatedDictionary(self.__dict__)

    def __render_value(self, value):
        if isinstance(value, str):
            return self.__render_string(value)
        elif isinstance(value, list):
            # we cannot use list comprehension here, as we need to NOT modify the list (pointer to list)
            # and we need to modifiy only individual values in the list
            # If we would create new list, we cannot assign to it, which often happens in configs (e.g. plugins)
            for i in range(len(value)):  # pylint: disable=consider-using-enumerate
                value[i] = self.__render_value(value[i])
            return value
        elif isinstance(value, dict):
            # we cannot use list comprehension here, same reasoning as for `list` above
            for k in value.keys():
                value[k] = self.__render_value(value[k])
            return value
        else:
            return value

    def __render_string(self, value):
        orig = last = value
        max_recursion = self.__dict__.get('jinja_max_recursion', 5)
        for _ in range(max_recursion):
            value = _to_native(self.sandbox.from_string(value).render(self.__dict__, func=lambda:None))
            if value == last:
                return value
            last = value
        raise ValueError("too deep jinja re-evaluation on '{}'".format(orig))

templated_dictionary/__init__.py — function:TemplatedDictionary.__init__ (lines 11-28)

    def __init__(self, *args, alias_spec=None, **kwargs):
        '''
        Use the object dict.

        Optional parameter 'alias_spec' is dictionary of form:
        {'aliased_to': ['alias_one', 'alias_two', ...], ...}
        When specified, and one of the aliases is accessed - the
        'aliased_to' config option is returned.
        '''
        self.__dict__.update(*args, **kwargs)

        self.sandbox = sandbox.SandboxedEnvironment(keep_trailing_newline=True)

        self._aliases = {}
        if alias_spec:
            for aliased_to, aliases in alias_spec.items():
                for alias in aliases:
                    self._aliases[alias] = aliased_to

templated_dictionary/__init__.py — function:TemplatedDictionary.__render_string (lines 81-89)

    def __render_string(self, value):
        orig = last = value
        max_recursion = self.__dict__.get('jinja_max_recursion', 5)
        for _ in range(max_recursion):
            value = _to_native(self.sandbox.from_string(value).render(self.__dict__, func=lambda:None))
            if value == last:
                return value
            last = value
        raise ValueError("too deep jinja re-evaluation on '{}'".format(orig))

templated_dictionary/__init__.py — module:<module>@5 (lines 5-5)

from jinja2 import sandbox