light9 Changeset - 5f9cf6174e62

Changeset - 5f9cf6174e62

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Drew Perttula - 18 years ago 2007-03-18 23:44:54
drewp@bigasterisk.com

ascoltami now uses rdf for config

3 files changed with 71 insertions and 34 deletions:

bin/ascoltami

light9/namespaces.py

light9/showconfig.py

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bin/ascoltami

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@@ @@ -26,12 +26,13 @@ import Tkinter as tk @@
 from twisted.internet import reactor,tksupport
 from twisted.internet.error import CannotListenError
 from twisted.web import xmlrpc, server
 import run_local
 from light9 import networking, showconfig, wavelength
 from light9.namespaces import L9, MUS
 from pympd import Mpd
 appstyle={'fg':'white','bg':'black'}
 class XMLRPCServe(xmlrpc.XMLRPC):
@@ @@ -64,15 +65,16 @@ class XMLRPCServe(xmlrpc.XMLRPC): @@
     def xmlrpc_gettime(self):
         """returns seconds from start of song"""
         return float(self.player.smoothCurrentTime())
     def xmlrpc_songlength(self):
         """song length, in seconds"""
         return float(self.player.total_time.get())
     def xmlrpc_songname(self):
         """song filename, or None"""
         return self.player.filename_var.get() or "No song"
     def xmlrpc_song_uri(self):
         """song URI, or None"""
         return self.player.song_uri.encode('utf8') or "No song"
 class Player:
     """semprini-style access to mpd. in here is where we add the padding"""
     def __init__(self, app, playlist, media=None):
@@ @@ -82,12 +84,13 @@ class Player: @@
         self.state = tk.StringVar()
         self.state.set("stop") # 'stop' 'pause' 'play'
         self.current_time = tk.DoubleVar()
         self.total_time = tk.DoubleVar()
         self.filename_var = tk.StringVar()
         self.song_uri = None
         self.pre_post_names = showconfig.prePostSong()
         self.last_poll_time = None
         self.pollStatus()
@@ @@ -147,30 +150,31 @@ class Player: @@
                 self.last_poll_time = time.time()
             self.check_autopause()
         finally:
             reactor.callLater(.05, self.pollStatus)
-    def set_total_time(self, song_path):
+    def set_total_time(self, song):
         # currently only good for .wav
-        p = os.path.join(showconfig.musicDir(), song_path)
+        p = showconfig.songOnDisk(song)
         self.total_time.set(wavelength.wavelength(p))
     def play(self, song_path=None):
         if song_path is None:
     def play(self, song=None):
         if song is None:
             self.mpd.play()
             return
         self.autopausedthissong = False
         self.mpd.clear()
         self.mpd.add(showconfig.songInMpd(self.pre_post_names[0]))
         self.mpd.add(showconfig.songInMpd(song_path))
         self.mpd.add(showconfig.songInMpd(self.pre_post_names[1]))
         self.filename_var.set(song_path)
         self.mpd.add(showconfig.songInMpd(MUS['preSong']))
         self.mpd.add(showconfig.songInMpd(song))
         self.mpd.add(showconfig.songInMpd(MUS['postSong']))
         self.filename_var.set(graph.value(song, L9['showPath']))
         self.song_uri = song
-        self.set_total_time(song_path)
+        self.set_total_time(song)
         self.mpd.seek(seconds=0, song=0)
     def check_autopause(self):
         pause_time = self.total_time.get() + 10
         if (not self.autopausedthissong and
             self.state.get() == "play" and
@@ @@ -201,43 +205,40 @@ class Player: @@
         self.mpd.status().addCallback(finish)
     def pause(self):
         self.mpd.pause()
-def buildsonglist(root,songfiles,player):
+def buildsonglist(root, graph, songs, player):
     songlist=tk.Frame(root,bd=2,relief='raised',bg='black')
     prefixlen=len(os.path.commonprefix(songfiles))
     # include to the last os.sep- dont crop path elements in the middle
     prefixlen=songfiles[0].rfind(os.sep)+1
     maxsfwidth=max([len(x[prefixlen:]) for x in songfiles])
     maxsfwidth=max([len(graph.label(song)) for song in songs])
     for i,sf in enumerate(songfiles):
         b=tk.Button(songlist,text=sf[prefixlen:],width=maxsfwidth,
     for i,song in enumerate(songs):
         b=tk.Button(songlist,text=graph.label(song),width=maxsfwidth,
                     anchor='w',pady=0,bd=0,relief='flat',
                     font="arial 14 bold")
         b.bind("<Configure>",lambda ev,b=b:
                b.config(font="arial %d bold" % min(12,int((ev.height-3)*.8))))
         try:
             # rainbow colors
-            frac=i/len(songfiles)
+            frac=i/len(songs)
             b.config(bg='black',
                      fg="#%02x%02x%02x" % tuple([int(255*(.7+.3*
                                                           math.sin(frac*4+x))
                                                      ) for x in 1,2,3]))
         except Exception,e:
             print "rainbow failed: %s"%e
-        b.config(command=lambda sf=sf: player.play(sf))
+        b.config(command=lambda song=song: player.play(song))
         b.pack(side='top',fill='both',exp=1,padx=0,pady=0,ipadx=0,ipady=0)
-        def color_buttons(x, y, z, sf=sf, b=b):
+        def color_buttons(x, y, z, song=song, b=b):
             name = player.filename_var.get()
-            if name == sf[prefixlen:]:
+            if name == graph.value(song, L9['showPath']):
                 b['bg'] = 'grey50'
             else:
                 b['bg'] = 'black'
         player.filename_var.trace("w", color_buttons)
     return songlist
@@ @@ -388,24 +389,28 @@ class ControlButtons(tk.Frame): @@
 ############################
 parser=OptionParser()
 (options,songfiles)=parser.parse_args()
 graph = showconfig.getGraph()
 if len(songfiles)<1:
     songfiles = [f for f in os.listdir(showconfig.musicDir())
                  if f.endswith('wav')]
     songfiles.sort()
     graph = showconfig.getGraph()
     playList = graph.value(L9['show/dance2007'], L9['playList'])
     songs = list(graph.items(playList))
 else:
     raise NotImplementedError("don't know how to make rdf song nodes from cmdline song paths")
 root=tk.Tk()
 root.wm_title("ascoltami")
 #root.wm_geometry("+1270+440")
 root.config(bg="black")
 player=Player(None,None)
-songlist = buildsonglist(root,songfiles,player)
+songlist = buildsonglist(root, graph, songs, player)
 songlist.pack(fill='both',exp=1)
 f2 = tk.Frame(bg='black')
 buts = ControlButtons(f2)
 buts.pack(side='top',fill='x')

light9/namespaces.py

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@@ new file 100644 @@
 from rdflib import Namespace
 L9 = Namespace("http://light9.bigasterisk.com/")
 MUS = Namespace("http://light9.bigasterisk.com/music/")

light9/showconfig.py

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 from os import path,getenv
 import ConfigParser
 from rdflib.Graph import Graph
 from rdflib import URIRef
 from namespaces import MUS, L9
 def getGraph():
     graph = Graph()
     graph.parse(path.join(root(), 'config.n3'), format='n3')
     return graph
 def root():
     r = getenv("LIGHT9_SHOW")
     if r is None:
         raise OSError(
             "LIGHT9_SHOW env variable has not been set to the show root")
@@ @@ -15,15 +22,35 @@ def songInMpd(song): @@
     """mpd only works off its own musicroot, which for me is
     /my/music. song is a file in musicDir; this function returns a
     version starting with the mpd path, but minus the mpd root itself.
     the mpc ~/.mpdconf """
     if 'dance2005' in root():
         return "projects/dance2005/%s" % song
     raise NotImplementedError
     assert isinstance(song, URIRef), "songInMpd now takes URIRefs"
     mpdHome = None
     for line in open(path.expanduser("~/.mpdconf")):
         if line.startswith("music_directory"):
             mpdHome = line.split()[1].strip('"')
     if mpdHome is None:
         raise ValueError("can't find music_directory in your ~/.mpdconf")
     mpdHome = mpdHome.rstrip(path.sep) + path.sep
     songFullPath = songOnDisk(song)
     if not songFullPath.startswith(mpdHome):
         raise ValueError("the song path %r is not under your MPD music_directory (%r)" % (songFullPath, mpdHome))
     mpdRelativePath = songFullPath[len(mpdHome):]
     if path.join(mpdHome, mpdRelativePath) != songFullPath:
         raise ValueError("%r + %r doesn't make the songpath %r" % (mpdHome, mpdRelativePath, songFullPath))
     return mpdRelativePath.encode('ascii')
 def songOnDisk(song):
     graph = getGraph()
     songFullPath = path.join(root(), graph.value(song, L9['showPath']))
     return songFullPath
 def curvesDir():
     return path.join(root(),"curves")
 def songFilename(song):
     return path.join(musicDir(),"%s.wav" % song)
@@ @@ -38,9 +65,10 @@ def subsDir(): @@
     return path.join(root(),'subs')
 def patchData():
     return path.join(root(),"patchdata.py")
 def prePostSong():
     p = ConfigParser.SafeConfigParser()
     p.read([path.join(root(),'config')])
     return p.get('music','preSong'), p.get('music','postSong')
     graph = getGraph()
     return [graph.value(MUS['preSong'], L9['showPath']),
             graph.value(MUS['postSong'], L9['showPath'])]

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