example beginnings of a Query class

ga.py

class Query:

    def __init__(self, params={}):
        # make sure params is a dict
        if isinstance(params, unicode):
            self.params = dict(params)
        self.params = params
        # QUESTION assign defaults elsewhere?
        self.ids = params['ids'] if 'ids' in params else None
        self.dimensions = params['dimensions'] if 'dimensions' in params else None
        self.filters = params['filters'] if 'filters' in params else None
        self.start_date = params['start_date'] if 'start_date' in params else None
        self.end_date = params['end_date'] if 'end_date' in params else None
        self.metrics = params['metrics'] if 'metrics' in params else None


if __name__ == '__main__':

    # VIEWID  and parameters hardcoded in this routine, but could be fetched from a database
    VIEWID = 123456
    parameters = {'ids': 'ga' + VIEWID,
                  'dimensions': 'ga:pagePath',
                  'filters': 
                  'ga:pagePath=~(signupSystem\/subscribe\.action\?pageSequence=1&briefName=BusinessTraveler).*',
                  'metrics': 'ga:pageviews'
                  }
    
    # make a Query object with this data by calling the query constructor with the parameters dict
    q = Query(params=parameters)
    # assign date parameters dynamically, perhaps by generating one using the datetime module; hardcoded here though
    q.start_date = '2014-03-10'
    q.end_date = '2014-04-09'
    
    # make give the query to something that can run it 
    # (how we got one of these isn't shown here so this code will fail)
    result = query_runner(q)
    # save results to database
    result.save()