python-mididings 0~20120419~ds0-5 / usr / lib / python2.7 / dist-packages / mididings / event.py

This file is indexed.

/usr/lib/python2.7/dist-packages/mididings/event.py is in python-mididings 0~20120419~ds0-5.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
# -*- coding: utf-8 -*-
#
# mididings
#
# Copyright (C) 2008-2012  Dominic Sacré  <dominic.sacre@gmx.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#

import _mididings

import mididings.constants as _constants
import mididings.arguments as _arguments
import mididings.util as _util
import mididings.misc as _misc



def _make_property(type, data, name=None, offset=False):
    if isinstance(data, str) and not offset:
        def getter(self):
            self._check_type_attribute(type, name)
            return getattr(self, data)
        def setter(self, value):
            self._check_type_attribute(type, name)
            setattr(self, data, value)

    elif isinstance(data, str) and offset:
        def getter(self):
            self._check_type_attribute(type, name)
            return _util.offset(getattr(self, data))
        def setter(self, value):
            self._check_type_attribute(type, name)
            setattr(self, data, _util.actual(value))

    return property(getter, setter)


class MidiEvent(_mididings.MidiEvent):
    """
    The main MIDI event class.
    All event data is part of the C++ base class.
    """
    @_arguments.accept(None, _constants._EventType, _util.port_number, _util.channel_number,
                       int, int, _arguments.nullable(_util.sysex_data))
    def __init__(self, type, port=_util.NoDataOffset(0), channel=_util.NoDataOffset(0), data1=0, data2=0, sysex=None):
        _mididings.MidiEvent.__init__(self)
        self.type = type
        self.port = port
        self.channel = channel
        self.data1 = data1
        self.data2 = data2
        if sysex is not None:
            self.sysex_ = sysex

    def __getinitargs__(self):
        self._finalize()
        return (self.type, self.port, self.channel, self.data1, self.data2,
                self.sysex if self.type == _constants.SYSEX else None)

    def _check_type_attribute(self, type, name):
        if not self.type & type:
            message = "MidiEvent type '%s' has no attribute '%s'" % (self._type_to_string(), name)
            raise AttributeError(message)

    def _type_to_string(self):
        try:
            return _constants._EVENT_TYPES[self.type].name
        except KeyError:
            return 'NONE'

    def _sysex_to_hex(self, max_length):
        data = self.sysex
        if max_length:
            m = max(0, max_length // 3)
            if len(data) > m:
                return '%s ...' % _misc.sequence_to_hex(data[:m])
        return _misc.sequence_to_hex(data)

    _to_string_mapping = {
        _constants.NOTEON:          lambda self: 'Note On:  %3d %3d  (%s)' % (self.note, self.velocity, _util.note_name(self.note)),
        _constants.NOTEOFF:         lambda self: 'Note Off: %3d %3d  (%s)' % (self.note, self.velocity, _util.note_name(self.note)),
        _constants.CTRL:            lambda self: 'Ctrl:     %3d %3d' % (self.ctrl, self.value) +
                                                    ('  (%s)' % _util.controller_name(self.ctrl) if _util.controller_name(self.ctrl) else ''),
        _constants.PITCHBEND:       lambda self: 'Pitchbend:  %5d' % self.value,
        _constants.AFTERTOUCH:      lambda self: 'Aftertouch:   %3d' % self.value,
        _constants.POLY_AFTERTOUCH: lambda self: 'Poly Aftertouch: %3d %3d  (%s)' % (self.note, self.value, _util.note_name(self.note)),
        _constants.PROGRAM:         lambda self: 'Program:      %3d' % self.program,
        _constants.SYSCM_QFRAME:    lambda self: 'SysCm QFrame: %3d' % self.data1,
        _constants.SYSCM_SONGPOS:   lambda self: 'SysCm SongPos:%3d %3d' % (self.data1, self.data2),
        _constants.SYSCM_SONGSEL:   lambda self: 'SysCm SongSel:%3d' % self.data1,
        _constants.SYSCM_TUNEREQ:   lambda self: 'SysCm TuneReq',
        _constants.SYSRT_CLOCK:     lambda self: 'SysRt Clock',
        _constants.SYSRT_START:     lambda self: 'SysRt Start',
        _constants.SYSRT_CONTINUE:  lambda self: 'SysRt Continue',
        _constants.SYSRT_STOP:      lambda self: 'SysRt Stop',
        _constants.SYSRT_SENSING:   lambda self: 'SysRt Sensing',
        _constants.SYSRT_RESET:     lambda self: 'SysRt Reset',
        _constants.DUMMY:           lambda self: 'Dummy',
    }

    _repr_mapping = {
        _constants.NOTEON:          lambda self: 'NoteOnEvent(port=%d, channel=%d, note=%d, velocity=%d)' % (self.port, self.channel, self.note, self.velocity),
        _constants.NOTEOFF:         lambda self: 'NoteOffEvent(port=%d, channel=%d, note=%d, velocity=%d)' % (self.port, self.channel, self.note, self.velocity),
        _constants.CTRL:            lambda self: 'CtrlEvent(port=%d, channel=%d, ctrl=%d, value=%d)' % (self.port, self.channel, self.ctrl, self.value),
        _constants.PITCHBEND:       lambda self: 'PitchbendEvent(port=%d, channel=%d, value=%d)' % (self.port, self.channel, self.value),
        _constants.AFTERTOUCH:      lambda self: 'AftertouchEvent(port=%d, channel=%d, value=%d)' % (self.port, self.channel, self.value),
        _constants.PROGRAM:         lambda self: 'ProgramEvent(port=%d, channel=%d, program=%d)' % (self.port, self.channel, self.program),
        _constants.SYSEX:           lambda self: 'SysExEvent(port=%d, sysex=%r)' % (self.port, _misc.bytestring(self._get_sysex())),
    }

    def to_string(self, portnames=[], portname_length=0, max_length=0):
        if len(portnames) > self.port_:
            port = portnames[self.port_]
        else:
            port = str(self.port)

        header = '[%*s, %2d]' % (max(portname_length, 2), port, self.channel)

        if self.type_ == _constants.SYSEX:
            maxsysex = (max_length - len(header) - 25) if max_length else 0
            sysexstr = self._sysex_to_hex(maxsysex)
            desc = 'SysEx:   %8d  [%s]' % (len(self.sysex), sysexstr)
        else:
            desc = MidiEvent._to_string_mapping.get(
                self.type_,
                lambda self: 'None'
            )(self)

        return '%s %s' % (header, desc)

    def __repr__(self):
        return MidiEvent._repr_mapping.get(
            self.type_,
            lambda self: 'MidiEvent(%s, %d, %d, %d, %d)' % (self._type_to_string(), self.port, self.channel, self.data1, self.data2)
        )(self)


    def __eq__(self, other):
        if not isinstance(other, MidiEvent):
            return NotImplemented
        self._finalize()
        other._finalize()
        return _mididings.MidiEvent.__eq__(self, other)

    def __ne__(self, other):
        if not isinstance(other, MidiEvent):
            return NotImplemented
        self._finalize()
        other._finalize()
        return _mididings.MidiEvent.__ne__(self, other)

    def __hash__(self):
        self._finalize()
        return _mididings.MidiEvent.__hash__(self)

    def _finalize(self):
        if hasattr(self, '_sysex_tmp'):
            self.sysex_ = _util.sysex_data(self._sysex_tmp)
            delattr(self, '_sysex_tmp')


    def _type_getter(self):
        # return an event type constant, rather than the plain int stored in
        # self.type_
        return _constants._EVENT_TYPES[self.type_]

    def _type_setter(self, type):
        self.type_ = type

    def _get_sysex(self):
        if hasattr(self, '_sysex_tmp'):
            return self._sysex_tmp
        else:
            return _util.sysex_to_sequence(self.sysex_)

    def _sysex_getter(self):
        self._check_type_attribute(_constants.SYSEX, 'sysex')
        self._sysex_tmp = self._get_sysex()
        return self._sysex_tmp

    def _sysex_setter(self, sysex):
        self._check_type_attribute(_constants.SYSEX, 'sysex')
        self._sysex_tmp = _util.sysex_to_sequence(sysex)


    type = property(_type_getter, _type_setter)

    # port/channel attributes with data offset
    port      = _make_property(_constants.ANY, 'port_', offset=True)
    channel   = _make_property(_constants.ANY, 'channel_', offset=True)

    # event-type specific attributes
    note      = _make_property(_constants.NOTE | _constants.POLY_AFTERTOUCH, 'data1', 'note')
    velocity  = _make_property(_constants.NOTE, 'data2', 'velocity')
    ctrl      = _make_property(_constants.CTRL, 'data1', 'ctrl')
    value     = _make_property(_constants.CTRL | _constants.PITCHBEND |
                               _constants.AFTERTOUCH | _constants.POLY_AFTERTOUCH,
                               'data2', 'value')
    program   = _make_property(_constants.PROGRAM, 'data2', 'program', offset=True)

    sysex = property(_sysex_getter, _sysex_setter)



@_arguments.accept(_util.port_number, _util.channel_number, _util.note_number, _util.velocity_value)
def NoteOnEvent(port, channel, note, velocity):
    """
    Create a new note-on event object.
    """
    return MidiEvent(_constants.NOTEON, port, channel, note, velocity)

@_arguments.accept(_util.port_number, _util.channel_number, _util.note_number, _util.velocity_value)
def NoteOffEvent(port, channel, note, velocity=0):
    """
    Create a new note-off event object.
    """
    return MidiEvent(_constants.NOTEOFF, port, channel, note, velocity)

@_arguments.accept(_util.port_number, _util.channel_number, _util.ctrl_number, _util.ctrl_value)
def CtrlEvent(port, channel, ctrl, value):
    """
    Create a new control change event object.
    """
    return MidiEvent(_constants.CTRL, port, channel, ctrl, value)

@_arguments.accept(_util.port_number, _util.channel_number, int)
def PitchbendEvent(port, channel, value):
    """
    Create a new pitch bend event object.
    """
    return MidiEvent(_constants.PITCHBEND, port, channel, 0, value)

@_arguments.accept(_util.port_number, _util.channel_number, int)
def AftertouchEvent(port, channel, value):
    """
    Create a new aftertouch event object.
    """
    return MidiEvent(_constants.AFTERTOUCH, port, channel, 0, value)

@_arguments.accept(_util.port_number, _util.channel_number, _util.program_number)
def ProgramEvent(port, channel, program):
    """
    Create a new program change event object.
    """
    return MidiEvent(_constants.PROGRAM, port, channel, 0, _util.actual(program))

@_arguments.accept(_util.port_number, _util.sysex_data)
def SysExEvent(port, sysex):
    """
    Create a new sysex event object.
    """
    return MidiEvent(_constants.SYSEX, port, sysex=sysex)

APT Browse - Built by Thomas Orozco.