Mac Spotify add track to playlist script for Touchbar

SpotifyPlaylistAdder.py

#Persistent storage file: ~/.conf/SpotifyAPI
#Includes following fields:
#   access_token: OAuth access token (current or expired)
#   refresh_token: OAuth refresh token to request a new access_token if expired
#   client: Spotify Client ID
#   clientSecret: Spotify Client Secret
#   expire: Added by the script to refresh access token 
#   userid: Spotify user ID

#This version creates and adds to playlist in form "YYYY MMM" like "2017 Jun"
#To change this change the two occurences of "name" in get_playlist and create_playlist

import json
import requests
import time
import calendar
import datetime
from subprocess import Popen,PIPE

from requests.auth import HTTPBasicAuth

CONFIG = ".config/spotifyAPI"
conf = dict()


def get_conf(path):
    global conf
    with open(path) as cf:
        conf = json.load(cf)


def save_conf(path):
    global conf
    with open(path,'w') as outf:
        json.dump(conf, outf)


def request_new_token():
    global conf
    url = 'https://accounts.spotify.com/api/token'
    data = dict(grant_type='refresh_token', refresh_token=conf['refresh_token'])
    rep = requests.post(url, data=data, auth=HTTPBasicAuth(conf['client'], conf['clientSecret'])).json()
    conf['access_token'] = rep['access_token']
    conf['expire'] = time.time()+rep['expires_in']
    if 'refresh_token' in rep:
        conf['refresh_token'] = rep['refresh__token']


def get_song():
    cmd='''tell application "Spotify"
        return id of current track
        end tell
    '''
    proc = Popen(['osascript', '-'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
    stdout = proc.communicate(cmd)
    return stdout[0].rstrip()


def get_playlist():
    month = calendar.month_abbr[datetime.datetime.now().month]
    year = datetime.datetime.now().year
    name=str(year)+" "+month
    url = 'https://api.spotify.com/v1/me/playlists'
    headers = {"Authorization": "Bearer "+conf['access_token']}
    offset = 0
    while True:
        rep = requests.get(url+'?offset='+str(offset), headers=headers).json()['items']
        if not rep:
            return None
        for list in rep:
            if list['name'] == name:
                return list['id']
        offset += 20


def add_song(uid, sid, pid):
    url = 'https://api.spotify.com/v1/users/'+uid+'/playlists/'+pid+'/tracks?uris='+sid
    headers = {"Authorization": "Bearer " + conf['access_token']}
    rep = requests.post(url, headers=headers).json()


def create_playlist(uid):
    url = 'https://api.spotify.com/v1/users/'+uid+'/playlists'
    headers = {"Authorization": "Bearer " + conf['access_token'], "Content-Type": "application/json"}
    month = calendar.month_abbr[datetime.datetime.now().month]
    year = datetime.datetime.now().year
    name = str(year) + " " + month
    data  = '{ "name": "'+ name + '"}'
    rep = requests.post(url, data=data, headers=headers).json()

#-----------------------------------------------MAIN-------------------------------------------------------

get_conf(CONFIG)
if 'expire' not in conf or conf['expire'] <= time.time():
        print("new token")
        request_new_token()
        save_conf(CONFIG)
track = str(get_song())
playlist = get_playlist()
if playlist == None:
    create_playlist(conf['userid'])
    playlist = get_playlist()

add_song(conf['userid'], track, playlist)