from light9 import networking

log = logging.getLogger()

class MusicTime(object):

    """

    fetch times from ascoltami in a background thread; return times

    upon request, adjusted to be more precise with the system clock

    """

        """period is the seconds between

        http time requests.

        We call onChange with the time in seconds and the total time

        The choice of period doesn't need to be tied to framerate,

        it's more the size of the error you can tolerate (since we

        make up times between the samples, and we'll just run off the

        end of a song)

        """

        self.positionFetchTime = 0

        self.period = period

            pos['t'] = pos['t'] + (now - self.positionFetchTime)

        else:

            if self.lastHoverTime is not None:

                pos['hoverTime'] = self.lastHoverTime

        return pos

    def pollMusicTime(self):

        @inlineCallbacks

        def cb(response):

            if response.code != 200:

            position = yield response.json()

            # this is meant to be the time when the server gave me its

            # report, and I don't know if that's closer to the

            # beginning of my request or the end of it (or some

            # fraction of the way through)

            self.positionFetchTime = time.time()

            self.position = position

            self.onChange(position)

    return loc

def songUri(graph, locationUri):

    return _songUris[locationUri]

class config(cyclone.web.RequestHandler):

    def get(self):

        self.set_header("Content-Type", "application/json")

        self.write(

def playerSongUri(graph, player):

    """or None"""

    playingLocation = player.getSong()

    if playingLocation:

        return songUri(graph, URIRef(playingLocation))

    else:

        return None