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CHANGELOG.rst

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1.1.7 - 2014-08-12

  • some classes and functions have been moved to more accessible locations:

    from mido import MidiFile, MidiTrack, MetaMessage
from mido.midifiles import MetaSpec, add_meta_spec

  • you can now iterate over a MIDI file. This will generate all MIDI messages in playback order. The time attribute of each message is the number of seconds since the last message or the start of the file.

  • added get_sleep_time() to complement set_sleep_time().

  • the Backend object no longer looks for the backend module exists on startup, but will instead just import the module when you call one of the open_*() or get_*() functions. This test didn't work when the library was packaged in a zip file or executable.

    This means that Mido can now be installed as Python egg and frozen with tools like PyInstaller and py2exe. See "Freezing Mido Programs" for more on this.

  • switched to pytest for unit tests.

1.1.6 - 2014-06-21

  • bugfix: package didn't work with easy_install. (Issue #14, reported by netchose.)
  • bugfix: 100% memory consumption when calling blocking receive() on a PortMIDI input. (Issue #15, reported by Francesco Ceruti.)
  • added wheel support: http://pythonwheels.com/

1.1.5 - 2014-04-18

  • removed the 'mode' attribute from key_signature messages. Minor keys now have an 'm' appended, for example 'Cm'.
  • bugfix: sysex was broken in MIDI files.
  • bugfix: didn't handle MIDI files without track headers.
  • bugfix: MIDI files didn't handle channel prefix > 15
  • bugfix: MIDI files didn't handle SMPTE offset with frames > 29

1.1.4 - 2014-10-04

  • bugfix: files with key signatures Cb, Db and Gb failed due to faulty error handling.
  • bugfix: when reading some MIDI files Mido crashed with the message "ValueError: attribute must be in range 0..255". The reason was that Meta messages set running status, which caused the next statusless message to be falsely interpreted as a meta message. (Reported by Domino Marama).
  • fixed a typo in MidiFile._read_track(). Sysex continuation should work now.
  • rewrote tests to make them more readable.

1.1.3 - 2013-10-14

  • messages are now copied on send. This allows the sender to modify the message and send it to another port while the two ports receive their own personal copies that they can modify without any side effects.

1.1.2 - 2013-10-05

  • bugfix: non-ASCII character caused trouble with installation when LC_ALL=C. (Reported by Gene De Lisa)
  • bugfix: used old exception handling syntax in rtmidi backend which broke in 3.3
  • fixed broken link in

1.1.1 - 2013-10-04

  • bugfix: mido.backends package was not included in distribution.

1.1 - 2013-10-01

  • added support for selectable backends (with MIDO_BACKEND) and included python-rtmidi and pygame backends in the official library (as mido.backend.rtmidi and mido.backend.pygame).
  • added full support for MIDI files (read, write playback)
  • added MIDI over TCP/IP (socket ports)
  • added utility programs mido-play, mido-ports, mido-serve and mido-forward.
  • added support for SMPTE time code quarter frames.
  • port constructors and open_*() functions can now take keyword arguments.
  • output ports now have reset() and panic() methods.
  • new environment variables MIDO_DEFAULT_INPUT, MIDO_DEFAULT_OUTPUT and MIDO_DEFAULT_IOPORT. If these are set, the open_*() functions will use them instead of the backend's default ports.
  • added new meta ports MultiPort and EchoPort.
  • added new examples and updated the old ones.
  • format_as_string() now takes an include_time argument (defaults to True) so you can leave out the time attribute.
  • sleep time inside sockets can now be changed.
  • Message() no longer accepts a status byte as its first argument. (This was only meant to be used internally.)
  • added callbacks for input ports (PortMidi and python-rtmidi)
  • PortMidi and pygame input ports now actually block on the device instead of polling and waiting.
  • removed commas from repr() format of Message and MetaMessage to make them more consistent with other classes.

1.0.4 - 2013-08-15

  • rewrote parser

1.0.3 - 2013-07-12

  • bugfix: __exit__() didn't close port.
  • changed repr format of message to start with "message".
  • removed support for undefined messages. (0xf4, 0xf5, 0xf7, 0xf9 and 0xfd.)
  • default value of velocity is now 64 (0x40). (This is the recommended default for devices that don't support velocity.)

1.0.2 - 2013-07-31

  • fixed some errors in the documentation.

1.0.1 - 2013-07-31 - bugfix

  • multi_receive() and multi_iter_pending() had wrong implementation. They were supposed to yield only messages by default.

1.0 - 2013-07-20 - initial release

Basic functionality: messages, ports and parser.