mpd_icecast_update.py

"""
    Small script that syncs the current now playing (MPD) with Icecast
    By Melan
"""

import time
import os
import requests
from mpd import MPDClient

UPDATE_RATE = 5 # Update rate in seconds
MPD_HOST = "localhost"
MPD_PORT = 6600
ICECAST_HOST = "localhost"
ICECAST_PORT = 8050
ICECAST_MNT = "/nurds"
ICECAST_AUTH_USR = "admin"
ICECAST_AUTH_PWD = "hackme"

prev_meta = ""
mpd = MPDClient()
mpd.connect(MPD_HOST, MPD_PORT)


def update_metadata(metadata, prev_meta):
    if metadata == prev_meta:
        return

    url = "http://%s:%s/admin/metadata" % (ICECAST_HOST, ICECAST_PORT)
    data_params = {"mount": ICECAST_MNT, "mode": "updinfo", "song": metadata} # mount=/mystream&mode=updinfo&song=ACDC+Back+In+Black
    r = requests.get(url, params=data_params, auth=(ICECAST_AUTH_USR, ICECAST_AUTH_PWD))

while True:
    metadata = None
    mpd_status = mpd.status()
    
    # When we are playing music
    if mpd_status['state'] == "play":
        current_song = mpd.currentsong()

        # When the metadata contains both artist and title
        if "artist" in current_song and "title" in current_song:
            metadata = "%s - %s" % (current_song['artist'], current_song['title'])

        # When the metadata only contains the title
        elif "title" in current_song and not "artist" in current_song:
            metadata = current_song['title']

        # When the metadata only contains the artist
        elif "artist" in current_song and not "title" in current_song:
            metadata = current_song['artist']

        # When it contains neither, fall back to the file name
        else:
            metadata = os.path.splitext(os.path.basename(current_song['file']))[:-1]
    # If not display MPD status
    else:
        metadata = "MPD state: %s" % (mpd_status['state'])

    if metadata:
        update_metadata(metadata, prev_meta)
        prev_meta = metadata

    time.sleep(UPDATE_RATE)