Method Promiscuity Or The Case For Encapsulation: Do not expose more information and structure to the clients than necessary

A_Client.py

...
# The client code
@my.route('/cleanjson/<collection>/')
def getcleanjson(collection):
    cleandata = Cleanjson()
    cleandata.get_mongojson(str(collection), "?s={'_id': 1}")
    cleandata.parse_json(cleandata.rawjson)
    return cleandata.cleanjson

Cleanjson.py

# The API code
...
class Cleanjson:
      ...
      def __init__(self):
        self.cleanjson = []
        ...

    def get_mongojson(self, collection, query):
        self._make_requesturl(collection, query)
        alldata = requests.get(self.request_url).json()
        self.rawjson = alldata['rows']

    def parse_json(self, datalist):
        cleaned = [ {   "date": datalist[i]['timestamp'], ... }
                    for i in range(len(datalist)) ]
        self.cleanjson = json.dumps(cleaned)
        return self.cleanjson