light9 Changeset - 86732ba7d9ae

Changeset - 86732ba7d9ae

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Drew Perttula - 11 years ago 2014-05-29 06:48:21
drewp@bigasterisk.com

curvecalc now gets its curves from the rdf graph, and can persist their points there too (save is still an explicit command)
Ignore-this: 541488a3f299d2ca77a993118e1b974

2 files changed with 75 insertions and 45 deletions:

bin/curvecalc

light9/curvecalc/curve.py

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bin/curvecalc

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@@ @@ -341,20 +341,15 @@ class Main(object): @@
         results = dispatcher.send("onPlayPause")
         times = [t for listener, t in results if t is not None]
         self.music.playOrPause(t=times[0] if times else None)
     def onSave(self, *args):
         # only doing curves still. I hope to eliminate all this.
         with self.graph.currentState() as g:
             song = g.value(self.session, L9['currentSong'])
             log.info("saving curves for %r", song)
             self.curveset.save(basename=os.path.join(
                 showconfig.curvesDir(),
                 showconfig.songFilenameFromURI(song)))
             log.info("saved")
         log.info("saving curves")
         self.curveset.save()
         log.info("saved")
     def makeStatusLines(self, master):
         """various labels that listen for dispatcher signals"""
         for row, (signame, textfilter) in enumerate([
             ('input time', lambda t: "%.2fs"%t),
             ('output levels',
@@ @@ -449,24 +444,13 @@ def launch(args, graph, session, opts, s @@
                           subject=session,
                           predicate=L9['currentSong'],
                           newObject=song)
     except IndexError:
         pass
     curveset = Curveset(sliders=opts.sliders)
     def curvesetReload():
         # not sure if this clears right or not yet
         song = graph.value(session, L9['currentSong'])
         if song is None:
             return
         curveset.load(basename=os.path.join(
             showconfig.curvesDir(),
             showconfig.songFilenameFromURI(song)),
                       skipMusic=opts.skip_music)
     graph.addHandler(curvesetReload)
     curveset = Curveset(graph=graph, session=session, sliders=opts.sliders)
     log.debug("startup: output %s", time.time() - startTime)
     mt = MaxTime(graph, session)
     dispatcher.connect(lambda: mt.get(), "get max time", weak=False)
@@ @@ -501,14 +485,12 @@ def launch(args, graph, session, opts, s @@
 def main():
     startTime = time.time()
     parser = optparse.OptionParser()
     parser.set_usage("%prog [opts] [songURI]")
     parser.add_option("--sliders", action='store_true',
                       help='use hardware sliders')
     parser.add_option("--skip-music", action='store_true',
                       help="ignore music and smooth_music curve files")
     parser.add_option("--debug", action="store_true",
                       help="log at DEBUG")
     parser.add_option("--reload", action="store_true",
                       help="live reload of themes and code")
     parser.add_option("--startup-only", action='store_true',
                       help="quit after loading everything (for timing tests)")

light9/curvecalc/curve.py

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 from __future__ import division
 import glob, time, logging, ast
+import glob, time, logging, ast, os
 from bisect import bisect_left,bisect
 import louie as dispatcher
 from rdflib import Literal
 from light9 import showconfig
 from light9.namespaces import L9
 from bcf2000 import BCF2000
 log = logging.getLogger()
 # todo: move to config, consolidate with ascoltami, musicPad, etc
 introPad = 4
@@ @@ -46,14 +48,18 @@ class Curve(object): @@
         vals = pts.split()
         pairs = zip(vals[0::2], vals[1::2])
         for x, y in pairs:
             self.points.append((float(x), ast.literal_eval(y)))
         self.points.sort()
         dispatcher.send("points changed",sender=self)
     def points_as_string(self):
         return ' '.join("%s %r" % p for p in self.points)
     def save(self,filename):
         # this is just around for markers, now
         if filename.endswith('-music') or filename.endswith('_music'):
             print "not saving music track"
             return
         f = file(filename,'w')
         for p in self.points:
             f.write("%s %r\n" % p)
@@ @@ -149,18 +155,21 @@ class Sliders(BCF2000): @@
             self.knobCallback(int(name[4:]), value / 127)
         if name.startswith("button-knob"):
             self.knobButtonCallback(int(name[11:]))
 class Curveset(object):
     curves = None # curvename : curve
     def __init__(self, sliders=False):
+    def __init__(self, graph, session, sliders=False):
         """sliders=True means support the hardware sliders"""
         self.graph, self.session = graph, session
         self.currentSong = None
         self.curves = {} # name (str) : Curve
         self.curveName = {} # reverse
         self.sliderCurve = {} # slider number (1 based) : curve name
         self.sliderNum = {} # reverse
         if sliders:
             self.sliders = Sliders(self.hw_slider_in, self.hw_knob_in,
                                    self.hw_knob_button)
             dispatcher.connect(self.curvesToSliders, "curves to sliders")
@@ @@ -169,54 +178,92 @@ class Curveset(object): @@
             self.sliderSuppressOutputUntil = {} # num : time
             self.sliderIgnoreInputUntil = {}
         else:
             self.sliders = None
         self.markers = Markers()
     def sorter(self, name):
         return (not name in ['music', 'smooth_music'], name)
         graph.addHandler(self.loadCurvesForSong)
     def load(self,basename, skipMusic=False):
         """find all files that look like basename-curvename and add
         curves with their contents
     def loadCurvesForSong(self):
         """
         current curves will track song's curves.
         This fires 'add_curve' dispatcher events to announce the new curves.
         """
-        log.info("Curveset.load %s", basename)
+        log.info('loadCurvesForSong')
         dispatcher.send("clear_curves")
         self.curves.clear()
         self.curveName.clear()
         self.sliderCurve.clear()
         self.sliderNum.clear()
         self.markers = Markers()
         for filename in sorted(glob.glob("%s-*"%basename), key=self.sorter):
             curvename = filename[filename.rfind('-')+1:]
             if skipMusic and curvename in ['music', 'smooth_music']:
                 continue
             c=Curve()
             c.load(filename)
             curvename = curvename.replace('-','_')
             self.add_curve(curvename,c)
         self.currentSong = self.graph.value(self.session, L9['currentSong'])
         if self.currentSong is None:
             return
         for uri in self.graph.objects(self.currentSong, L9['curve']):
             c = Curve()
             c.uri = uri
             pts = self.graph.value(uri, L9['points'])
             if pts is not None:
                 c.set_from_string(pts)
                 c.pointsStorage = 'graph'
             else:
                 diskPts = self.graph.value(uri, L9['pointsFile'])
                 c.load(os.path.join(showconfig.curvesDir(), diskPts))
                 c.pointsStorage = 'file'
             curvename = self.graph.label(uri)
             if not curvename:
                 raise ValueError("curve %r has no label" % uri)
             self.add_curve(curvename, c)
         basename = os.path.join(
             showconfig.curvesDir(),
             showconfig.songFilenameFromURI(self.currentSong))
         try:
             self.markers.load("%s.markers" % basename)
         except IOError:
             print "no marker file found"
-    def save(self,basename):
     def save(self):
         """writes a file for each curve with a name
         like basename-curvename"""
         for name,cur in self.curves.items():
             cur.save("%s-%s" % (basename,name))
         like basename-curvename, or saves them to the rdf graph"""
         basename=os.path.join(
             showconfig.curvesDir(),
             showconfig.songFilenameFromURI(self.currentSong))
         patches = []
         for label, curve in self.curves.items():
             if curve.pointsStorage == 'file':
                 log.warn("not saving file curves anymore- skipping %s" % label)
                 #cur.save("%s-%s" % (basename,name))
             elif curve.pointsStorage == 'graph':
                 ctx = self.currentSong
                 patches.append(self.graph.getObjectPatch(
                     ctx,
                     subject=curve.uri,
                     predicate=L9['points'],
                     newObject=Literal(curve.points_as_string())))
             else:
                 raise NotImplementedError(curve.pointsStorage)
         self.markers.save("%s.markers" % basename)
         # this will cause reloads that will clear our curve list
         for p in patches:
             self.graph.patch(p)
     def sorter(self, name):
         return (not name in ['music', 'smooth_music'], name)
     def curveNamesInOrder(self):
         return sorted(self.curves.keys(), key=self.sorter)
     def add_curve(self,name,curve):
     def add_curve(self, name, curve):
         # should be indexing by uri
         if isinstance(name, Literal):
             name = str(name)
         if name in self.curves:
             raise ValueError("can't add a second curve named %r" % name)
         self.curves[name] = curve
         self.curveName[curve] = name
@@ @@ -249,12 +296,13 @@ class Curveset(object): @@
         if not renameIfExisting and name in self.curves:
             return
         while name in self.curves:
            name=name+"-1"
         c = Curve()
         # missing some new attrs here, uri pointsStorage
         s,e = self.get_time_range()
         c.points.extend([(s,0), (e,0)])
         self.add_curve(name,c)
     def hw_slider_in(self, num, value):
         try:

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