MidiToText.py

# -*- coding: ISO-8859-1 -*-

from MidiOutStream import MidiOutStream
class MidiToText(MidiOutStream):


    """
    This class renders a midi file as text. It is mostly used for debugging
    """

    #############################
    # channel events
    
    
    def channel_message(self, message_type, channel, data):
        """The default event handler for channel messages"""
        print 'message_type:%X, channel:%X, data size:%X' % (message_type, channel, len(data))


    def note_on(self, channel=0, note=0x40, velocity=0x40):
        print 'note_on  - ch:%02X,  note:%02X,  vel:%02X time:%s' % (channel, note, velocity, self.rel_time())

    def note_off(self, channel=0, note=0x40, velocity=0x40):
        print 'note_off - ch:%02X,  note:%02X,  vel:%02X time:%s' % (channel, note, velocity, self.rel_time())

    def aftertouch(self, channel=0, note=0x40, velocity=0x40):
        print 'aftertouch', channel, note, velocity


    def continuous_controller(self, channel, controller, value):
        print 'controller - ch: %02X, cont: #%02X, value: %02X' % (channel, controller, value)


    def patch_change(self, channel, patch):
        print 'patch_change - ch:%02X, patch:%02X' % (channel, patch)


    def channel_pressure(self, channel, pressure):
        print 'channel_pressure', channel, pressure


    def pitch_bend(self, channel, value):
        print 'pitch_bend ch:%s, value:%s' % (channel, value)



    #####################
    ## Common events


    def system_exclusive(self, data):
        print 'system_exclusive - data size: %s' % len(date)


    def song_position_pointer(self, value):
        print 'song_position_pointer: %s' % value


    def song_select(self, songNumber):
        print 'song_select: %s' % songNumber


    def tuning_request(self):
        print 'tuning_request'


    def midi_time_code(self, msg_type, values):
        print 'midi_time_code - msg_type: %s, values: %s' % (msg_type, values)



    #########################
    # header does not really belong here. But anyhoo!!!

    def header(self, format=0, nTracks=1, division=96):
        print 'format: %s, nTracks: %s, division: %s' % (format, nTracks, division)
        print '----------------------------------'
        print ''

    def eof(self):
        print 'End of file'


    def start_of_track(self, n_track=0):
        print 'Start - track #%s' % n_track


    def end_of_track(self):
        print 'End of track'
        print ''



    ###############
    # sysex event

    def sysex_event(self, data):
        print 'sysex_event - datasize: %X' % len(data)


    #####################
    ## meta events

    def meta_event(self, meta_type, data):
        print 'undefined_meta_event:', meta_type, len(data)


    def sequence_number(self, value):
        print 'sequence_number', number


    def text(self, text):
        print 'text', text


    def copyright(self, text):
        print 'copyright', text


    def sequence_name(self, text):
        print 'sequence_name:', text


    def instrument_name(self, text):
        print 'instrument_name:', text


    def lyric(self, text):
        print 'lyric', text


    def marker(self, text):
        print 'marker', text


    def cuepoint(self, text):
        print 'cuepoint', text


    def midi_ch_prefix(self, channel):
        print 'midi_ch_prefix', channel


    def midi_port(self, value):
        print 'midi_port:', value


    def tempo(self, value):
        print 'tempo:', value


    def smtp_offset(self, hour, minute, second, frame, framePart):
        print 'smtp_offset', hour, minute, second, frame, framePart


    def time_signature(self, nn, dd, cc, bb):
        print 'time_signature:', nn, dd, cc, bb


    def key_signature(self, sf, mi):
        print 'key_signature', sf, mi


    def sequencer_specific(self, data):
        print 'sequencer_specific', len(data)



if __name__ == '__main__':

    # get data
    test_file = 'test/midifiles/minimal.mid'
    f = open(test_file, 'rb')
    
    # do parsing
    from MidiInFile import MidiInFile
    midiIn = MidiInFile(MidiToText(), f)
    midiIn.read()
    f.close()