def __init__(self):
    self._default_test_id = -1
    self._analyses = {}
    self._resource_path = 'resources'
    self._input_directory = None
    self._output_directory = None
    self.return_exit_code = False
    self.skip_plots = False
    self.available_graphing_modules = graphing_modules
    logger.info('Available graphing modules: %s ', ','.join(self.available_graphing_modules.keys()))
    naarad.metrics.metric.Metric.graphing_modules = self.available_graphing_modules
    naarad.reporting.diff.Diff.graphing_modules = self.available_graphing_modules
    naarad.metrics.metric.Metric.device_types = CONSTANTS.device_type_metrics