def filtertracks(inputdir, outputdir):
tracks = filter(files.paths(inputdir))
import os
if not os.path.exists(outputdir):
os.mkdir(outputdir)
for track in tracks:
(name, version, t, singletrack) = files.parsename(track.midifile.name)
f = '{0}{1}'.format(outputdir, files.generatefilename(name, version, track.n, True))
print 'saving {0}'.format(f)
track.save(f)
def expandchannels(mfiles, outputdir):
for f in mfiles:
print 'Loading {0}'.format(f)
mf = representation.MidiFile(f)
if not mf: continue
if not mf.format == 0:
os.system('cp {0} {1}'.format(f, outputdir))
continue
newfile = mf['0'].channels2tracks()
(name, version, track, singletrack) = files.parsename(mf.name)
print 'Calling exportMidi("{0}")'.format('{0}{1}'.format(outputdir, files.generatefilename(name, version)))
newfile.exportMidi('{0}{1}'.format(outputdir, files.generatefilename(name, version)))
