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lastfm.py

init_network(verbose=True)

Initialize the global pylast network variable

Source code in mps_youtube/commands/lastfm.py 
@command(r'lastfm_connect', 'lastfm_connect')
def init_network(verbose=True):
    """ Initialize the global pylast network variable """
    if not has_pylast :
        if verbose:
            pylast_url = 'https://github.com/pylast/pylast'
            g.message = '"pylast" module not found\n see %s' % (pylast_url)
        return

    # TODO: Add option to read lastfm config from file or env variable
    key = config.LASTFM_API_KEY.get
    secret = config.LASTFM_API_SECRET.get
    password = config.LASTFM_PASSWORD.get # already hashed
    username = config.LASTFM_USERNAME.get

    if not (key and secret and password and username):
        if verbose:
            util.xprint("Not all Last.fm credentials were set.")
        return

    try:
        g.lastfm_network = pylast.LastFMNetwork(api_key=key, api_secret=secret,
                                                username=username,
                                                password_hash=password)
        if verbose:
            g.message = "Last.fm authentication successful!"
    except (pylast.WSError, pylast.MalformedResponseError, pylast.NetworkError) as e:
        if verbose:
            g.message = "Last.fm connection error: %s" % (str(e))

scrobble_track(artist, album, track)

Scrobble a track to the user's Last.fm account

Source code in mps_youtube/commands/lastfm.py 
def scrobble_track(artist, album, track):
    """ Scrobble a track to the user's Last.fm account """
    if not g.lastfm_network:
        return
    unix_timestamp = int(time.mktime(datetime.datetime.now().timetuple()))
    try:
        g.lastfm_network.scrobble(artist=artist, title=track, album=album,
                                  timestamp=unix_timestamp)
    except (pylast.WSError, pylast.MalformedResponseError, pylast.NetworkError):
        return

set_now_playing(artist, track)

Set the current track as "now playing" on the user's Last.fm account

Source code in mps_youtube/commands/lastfm.py 
def set_now_playing(artist, track):
    """ Set the current track as "now playing" on the user's Last.fm account """
    if not g.lastfm_network:
        return
    try:
        g.lastfm_network.update_now_playing(artist=artist, title=track)
    except (pylast.WSError, pylast.MalformedResponseError, pylast.NetworkError):
        return