row.pack(expand=1, fill=tk.BOTH)

        self.setup_key_nudgers(row)

        self.rows.append(row)

        return row

    def change_group(self, sub, row):

        """update this sub's group, and maybe other sub groups as needed, so

        this sub displays in this row"""

        group = row.subGroup

        self.graph.patchObject(context=self.session,

                               subject=sub,

                               predicate=L9['group'],

                               newObject=group)

    def highlight_row(self, row):

        row = self.rows[row]

        row['bg'] = 'red'

    def unhighlight_row(self, row):

        row = self.rows[row]

        row['bg'] = 'black'

    def get_levels(self):

    def get_output_settings(self, _graph=None):

        _graph = _graph or self.graph

        outputSettings = []

        for setting in _graph.objects(self.session, L9['subSetting']):

            effect = _graph.value(setting, L9['sub'])

            strength = _graph.value(setting, L9['level'])

            if strength:

                now = time.time()

                out, report = self.effectEval[effect].outputFromEffect(

                    [(L9['strength'], strength)],

                    songTime=now,

                    # should be counting from when you bumped up from 0

                    noteTime=now)

                outputSettings.append(out)

        return DeviceSettings.fromList(_graph, outputSettings)

    def save_current_stage(self, subname):

        log.info("saving current levels as %s", subname)

        with self.graph.currentState() as g:

            ds = self.get_output_settings(_graph=g)

        effect = L9['effect/%s' % subname]

        ctx = URIRef(showconfig.showUri() + '/effect/' + subname)

from tkinter import tix

from time import time

class Mass:

    def __init__(self):

        self.x = 0  # position

        self.xgoal = 0  # position goal

        self.v = 0  # velocity

        self.maxspeed = .8  # maximum speed, in position/second

        self.maxaccel = 3  # maximum acceleration, in position/second^2

        self.eps = .03  # epsilon - numbers within this much are considered the same

        self._lastupdate = time()

        self._stopped = 1

    def equal(self, a, b):

        return abs(a - b) < self.eps

    def stop(self):

        self.v = 0

        self.xgoal = self.x

        self._stopped = 1

    def update(self):

        t0 = self._lastupdate

        reactor.callLater(self.period, self.sendLevels)

        reactor.callLater(self.period, self.updateTimeFromMusic)

    def setEffects(self):

        self.currentEffects = []

        log.info('setEffects currentSong=%s', self.currentSong)

        if self.currentSong is None:

            return

        for effectUri in self.graph.objects(self.currentSong, L9['effect']):

            self.currentEffects.append(EffectNode(self.graph, effectUri))

        for sub in self.graph.subjects(RDF.type, L9['Submaster']):

            for effectUri in self.graph.objects(sub, L9['drivesEffect']):

                self.currentEffects.append(EffectNode(self.graph, effectUri))

        log.info('now we have %s effects', len(self.currentEffects))

    @inlineCallbacks

    def getSongTime(self):

        now = time.time()

        old = now - self.requestTime

        if old > self.coastSecs:

            try:

                response = yield r.json_content()

            except TimeoutError:

                log.warning("TimeoutError: using stale time from %.1f ago", old)

            else:

                self.requestTime = now

                self.currentPlaying = response['playing']

                self.songTimeFromRequest = response['t']

                returnValue((response['t'], (response['song'] and

                                             URIRef(response['song']))))

        estimated = self.songTimeFromRequest

        if self.currentSong is not None and self.currentPlaying:

            estimated += now - self.requestTime

        returnValue((estimated, self.currentSong))

    @inlineCallbacks

    def updateTimeFromMusic(self):

        t1 = time.time()

        with self.stats.getMusic.time():

            self.songTime, song = yield self.getSongTime()

            self.songTimeFetch = time.time()

        if song != self.currentSong:

            self.currentSong = song

_showUri = None

def showUri() -> URIRef:

    """Return the show URI associated with $LIGHT9_SHOW."""

    global _showUri

    if _showUri is None:

        _showUri = URIRef(open(path.join(root(), b'URI')).read().strip())

    return _showUri

def songOnDisk(song: URIRef) -> bytes:

    """given a song URI, where's the on-disk file that mpd would read?"""

    graph = getGraph()

    root = graph.value(showUri(), L9['musicRoot'])

    if not root:

        raise ValueError("%s has no :musicRoot" % showUri())

    name = graph.value(song, L9['songFilename'])

    if not name:

        raise ValueError("Song %r has no :songFilename" % song)

        cast(Literal, root).toPython(),

        cast(Literal, name).toPython()))

def songFilenameFromURI(uri: URIRef) -> bytes:

    """

    'http://light9.bigasterisk.com/show/dance2007/song8' -> 'song8'

    everything that uses this should be deprecated for real URIs

    everywhere"""

    assert isinstance(uri, URIRef)

    return str(uri).split('/')[-1].encode('ascii')

def getSongsFromShow(graph: Graph, show: URIRef) -> List[URIRef]:

    playList = graph.value(show, L9['playList'])

    if not playList:

        raise ValueError("%r has no l9:playList" % show)

    # The patch in https://github.com/RDFLib/rdflib/issues/305 fixed a

    # serious bug here.

    songs = list(graph.items(playList))

    return songs

from glob import glob

from os.path import join, basename

from typing import Dict, Any

class TkdndEvent(object):

    """

    see http://www.ellogon.org/petasis/tcltk-projects/tkdnd/tkdnd-man-page

    for details on the fields

    The longer attribute names (action instead of %A) were made up for

    this API.

    Not all attributes are visible yet, since I have not thought

    through what conversions they should receive and I don't want to

    unnecessarily change their types later.

    """

    substitutions = {

        "%A": "action",

        "%b": "button",

        "%D": "data",

        "%m": "modifiers",

        "%T": "type",

        "%W": "targetWindow",

        "%X": "mouseX",

        "%Y": "mouseY",

    }

    @classmethod

        def cb(response):

            if response.code == 404:

                # not hovering

                self.lastHoverTime = None

                reactor.callLater(.2, self.pollCurvecalcTime)

                return

            if response.code != 200:

                raise ValueError("%s %s" % (response.code, response.body))

            self.lastHoverTime = json.loads(response.body)['hoverTime']

            reactor.callLater(self.hoverPeriod, self.pollCurvecalcTime)

        def eb(err):

            if self.lastHoverTime:

                log.warn("talking to curveCalc: %s", err.getErrorMessage())

            self.lastHoverTime = None

            reactor.callLater(2, self.pollCurvecalcTime)

        d = treq.get(networking.curveCalc.path("hoverTime"))

        d.addCallback(cb)

        d.addErrback(eb)  # note this includes errors in cb()

    def sendTime(self, t):

        """request that the player go to this time"""

                  data=json.dumps({

                      "t": time

                  }).encode('utf8'),

                  headers={b"content-type": [b"application/json"]},

        )

        'bin/wavecurve',

    ]

def pkg_sources():

    return glob.glob('light9/**/*.py', recursive=True)

@task

def mypy(ctx):

    print('\n\n')

    def run(sources):

        ss = ' '.join(sources)

        ctx.run(f'MYPYPATH=stubs:/my/proj/rdfdb env/bin/mypy --check-untyped-defs {ss}',

                pty=True, warn=True)

    sources = ' '.join(bin_sources + pkg_sources())

    ctx.run(f'env/bin/flake8 --ignore=E115,E123,E124,E126,E225,E231,E261,E262,E265,E301,E302,E303,E305,E306,E401,E402,E501,E701,E731,W291,W293,W391,W504 {sources}', warn=True)

    sources = ' '.join(pkg_sources())

    run(['bin/rdfdb'])

    run(['bin/keyboardcomposer'])

    #for src in bin_sources:

    #    print(f"mypy {src}")

    #    run([src])# + pkg_sources())

@task

def reformat(ctx):

@task

def test(ctx):

    ctx.run('docker build -f Dockerfile.build -t light9_build:latest .')

    ctx.run('docker run --rm -it -v `pwd`:/opt light9_build:latest'

            ' nose2 -v light9.currentstategraphapi_test light9.graphfile_test',

            pty=True)