daily_song_sales.py

import json
from datetime import date

import requests


class DailySongSales(object):
    def __init__(self, all_sales):
        self.all_sales = all_sales

    def sales_of(self, song):

        song_sales = len(list(filter(lambda sale: sale.song == song, self.all_sales)))

        # send to charts
        url = "http://songchartscompiler.co.uk/senddailysales"
        data = {'outlet': 'JG Digital Downloads inc',
                'date': date.today().strftime('%d/%m/%Y'),
                'song': song,
                'sales': song_sales}
        headers = {'Content-type': 'application/json', 'Accept': 'text/plain'}
        requests.post(url, data=json.dumps(data), headers=headers)

        return song_sales