Logging adapter with extra info

logging_adapter.py

    import logging

    class Runner(object):

        def __init__(self):
            logging.basicConfig(level=logging.DEBUG)
            logger = logging.getLogger(__name__)
            adapter = CustomAdapter(logger, {'runner': self})

            # adapter.debug('Some debug message')
            # adapter.warning('Some warning message')
            self.i = 0
            self.logger = adapter

        @property
        def _project(self):
            self.i += 1
            if self.i <= 4:
                return {
                    '_id': 'MBTEST-PROJECT-ID'
                }
            else:
                return {
                    '_id': 'MBTEST-PROJECT-ID',
                    'datarobot_project_id': 'IDIDIIDIDI'
                }


    class CustomAdapter(logging.LoggerAdapter):
        def process(self, msg, kwargs):
            runner = self.extra['runner']
            mbtest_project_id = '<mbtest_project_id:{pid}>'.format(
                pid=runner._project['_id'])
            project_id = runner._project.get('datarobot_project_id', mbtest_project_id)
            return '[%s] %s' % (project_id, msg), kwargs


    r = Runner()

    r.logger.debug('Debug message')
    r.logger.info('Info message')
    r.logger.warning('Warining message')