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)))