human
Solve the following python programming problem given the following code:
@bind_hass
def execute(hass, filename, source, data=None):
assistant
#Here is the Python program you requested.

    """Execute Python source.
    """
    from RestrictedPython import compile_restricted_exec
    from RestrictedPython.Guards import safe_builtins, full_write_guard
    from RestrictedPython.Utilities import utility_builtins
    from RestrictedPython.Eval import default_guarded_getitem
    compiled = compile_restricted_exec(source, filename=filename)
    if compiled.errors:
        _LOGGER.error('Error    loading    script    %s:    %s', filename, ',    '.join(compiled.errors))
        return
    if compiled.warnings:
        _LOGGER.warning('Warning    loading    script    %s:    %s', filename, ',    '.join(compiled.warnings))
    def protected_getattr(obj, name, default=None):
        'Restricted    method    to    get    attributes.'
        if name.startswith('async_'):
            raise ScriptError('Not    allowed    to    access    async    methods')
        elif (((obj is hass) and (name not in ALLOWED_HASS)) or ((obj is hass.bus) and (name not in ALLOWED_EVENTBUS)) or ((obj is hass.states) and (name not in ALLOWED_STATEMACHINE)) or ((obj is hass.services) and (name not in ALLOWED_SERVICEREGISTRY))):
            raise ScriptError('Not    allowed    to    access    {}.{}'.format(obj.__class__.__name__, name))
        return getattr(obj, name, default)
    builtins = safe_builtins.copy()
    builtins.update(utility_builtins)
    restricted_globals = {'__builtins__': builtins, '_print_': StubPrinter, '_getattr_': protected_getattr, '_write_': full_write_guard, '_getiter_': iter, '_getitem_': default_guarded_getitem}
    logger = logging.getLogger('{}.{}'.format(__name__, filename))
    local = {'hass': hass, 'data': (data or {}), 'logger': logger}
    try:
        _LOGGER.info('Executing    %s:    %s', filename, data)
        exec compiled.code in restricted_globals, local
    except ScriptError as err:
        logger.error('Error    executing    script:    %s', err)
    except Exception as err:
        logger.exception('Error    executing    script:    %s', err)