mpdApi.py

index.py

import json
from flask import Flask, request
from flask_cors import CORS
import subprocess
import codecs
import chardet
import re

app = Flask(__name__)
CORS(app)

@app.route('/api/toggle')
def toggle():
    output = subprocess.check_output(['mpc', 'toggle'])
    status = re.search(r"\[[a-zA-Z]+\]", output.decode('utf-8'))
    payload = status_payload()
    return json.dumps(payload, ensure_ascii=False), 200

@app.route('/api/status')
def status():
    payload = status_payload()
    return json.dumps(payload, ensure_ascii=False), 200
        
@app.route('/api/next')
def next():
    output = subprocess.check_output(['mpc', 'next'])
    payload = status_payload()
    return json.dumps(payload, ensure_ascii=False), 200
        
@app.route('/api/prev')
def prev():
    output = subprocess.check_output(['mpc', 'prev'])
    payload = status_payload()
    return json.dumps(payload, ensure_ascii=False), 200

@app.route('/api/playlist/jazz')
def jazz():
    subprocess.check_output(['mpc', 'clear'])
    subprocess.check_output(['mpc', 'load', 'jazz'])
    subprocess.check_output(['mpc', 'shuffle'])
    subprocess.check_output(['mpc', 'play'])
    payload = status_payload()
    return json.dumps(payload, ensure_ascii=False), 200

@app.route('/api/playlist/bill_evans')
def bill_evans():
    subprocess.check_output(['mpc', 'clear'])
    subprocess.check_output(['mpc', 'load', 'bill_evans'])
    subprocess.check_output(['mpc', 'play'])
    payload = status_payload()
    return json.dumps(payload, ensure_ascii=False), 200

@app.route('/api/playlist/NakatsukaTakeshi')
def NakatsukaTakeshi():
    subprocess.check_output(['mpc', 'clear'])
    subprocess.check_output(['mpc', 'load', 'NakatsukaTakeshi'])
    subprocess.check_output(['mpc', 'play'])
    payload = status_payload()
    return json.dumps(payload, ensure_ascii=False), 200

@app.route('/api/volume')
def get_volume():
    volume = request.args.get('num')
    if volume == None:
        output = subprocess.check_output(['mpc', 'volume'])
    else:
        output = subprocess.check_output(['mpc', 'volume', volume])

    status = re.search(r'volume:\s[0-9]+\%', output.decode('utf-8'))
    if status:
        return re.sub(r'[^0-9]','',status.group(0)), 200
    return 'failed', 500

if __name__ == '__main__':
    app.run(debug=True)


def status_payload():
    b = subprocess.check_output(['mpc', 'status'])
    output = b.decode().split('\n')
    current_status = (re.search(r'\[([a-zA-Z]+)\]', output[1]).group(1) == "playing")
    song_artist = output[0].split(" - ")[0]
    song_title = output[0].split(" - ")[1]
    song_position = re.search(r'([0-9]+:[0-9]+)/', output[1]).group(1)
    song_total = re.search(r'/([0-9]+:[0-9]+)', output[1]).group(1)
    song_progress = re.search(r'([0-9:]+)%', output[1]).group(1)
    current_volume = re.search(r'volume: ([0-9]+)%', output[2]).group(1)
    payload = {
            'isplaying': current_status,
            'artist': song_artist,
            'title': song_title,
            'position': song_position,
            'total': song_total,
            'progress': song_progress,
            'volume': current_volume,
            }
    return payload