Ajout script d'export des chansons en musicxml vers .smwi (qq trucs en dur).

git-svn-id: https://svn.cri.ensmp.fr/svn/minwii/trunk@90 fe552daf-6dbe-4428-90eb-1537e0879342

diff --git a/src/songs/xml2smwi.py b/src/songs/xml2smwi.py
new file mode 100755 (executable)
index 0000000..add8024
--- /dev/null
+++ b/src/songs/xml2smwi.py
@@ -0,0 +1,78 @@
+# -*- coding: utf-8 -*-
+"""
+conversion d'un fichier musicxml en fichier .smwi
+
+$Id$
+$URL$
+"""
+
+from app.musicxml import musicXml2Song
+from songs.Song import Song
+import sys
+import os.path
+from optparse import OptionParser
+
+def main() :
+    usage = "%prog musicXmlFile.xml [options]"
+    op = OptionParser(usage)
+    op.add_option("-i", "--part-index", dest="partIndex"
+                 , default = 0
+                 , help = "Index de la partie qui contient le champ.")
+
+    op.add_option("-p", '--print', dest='printNotes'
+                  , action="store_true"
+                  , default = False
+                  , help = "Affiche les notes sur la sortie standard (debug)")
+
+    op.add_option("-c", '--no-chorus', dest='autoDetectChorus'
+                , action="store_false"
+                , default = True
+                , help = "désactive la détection du refrain")
+
+    
+    options, args = op.parse_args()
+    
+    if len(args) != 1 :
+        raise SystemExit(op.format_help())
+    
+    part = musicXml2Song(args[0],
+                         partIndex=options.partIndex,
+                         autoDetectChorus=options.autoDetectChorus,
+                         printNotes=options.printNotes)
+    
+    midiNoteNumbers = []
+    noteLengths = []
+    lyrics = []
+    for note, verseIndex in part.iterNotes(indefinitely=False) :
+        midiNoteNumbers.append(note.midi)
+        noteLengths.append(note.duration)
+        lyrics.append(note.lyrics[verseIndex].syllabus())
+    
+    #scale = [55, 57, 59, 60, 62, 64, 65, 67, 69, 71, 72]
+    #scale = [n.midi for n in part.distinctNotes]
+    
+    # houlala, c'est codé en dur !!!
+    scale = [65, 67, 69, 71, 72, 74, 76, 77, 79, 81, 83]
+    quarterNoteLength = 500
+    #---
+
+    lowerNote = part.distinctNotes[0].midi
+    higherNote = part.distinctNotes[-1].midi
+    requiresExtendedScale = higherNote - lowerNote > 12 # une octave == 12 demi-tons
+    song = Song(scale,
+                requiresExtendedScale=requiresExtendedScale,
+                midiNoteNumbers=midiNoteNumbers,
+                noteLengths=noteLengths,
+                lyrics=lyrics,
+                name=args[0],
+                quarterNoteLength=500)
+    dest = os.path.abspath(__file__).split(os.path.sep)[:-1]
+    dest.append('smwis')
+    dest.append('%s.smwi' % os.path.splitext(os.path.basename(song.name))[0])
+    dest = os.path.sep.join(dest)
+    print dest
+    song.save(dest)
+    
+
+if __name__ == '__main__' :
+    sys.exit(main())