Method Promiscuity Or The Case For Encapsulation: Do not expose more information and structure to the clients than necessary - improved version See https://gist.github.com/jakubholynet/5517865

A_Client2.py

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

Cleanjson2.py

# The API code
...
class Cleanjson:
    # No self.cleanjson attribute anymore

    def get_mongojson(self, collection, query, format=False):
        request_url = self._make_requesturl(collection, query)
        alldata = requests.get(request_url).json()
        rawjson = alldata['rows']
        if format:
            return __parse_json(rawjson)
        else:
            return rawjson

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