Python RTP-MIDI / AppleMIDI driver
Project description
pymidi
A python RTP-MIDI / AppleMIDI implementation. You can use this library to build a network attached virtual MIDI device.
Latest release: v0.4.0 (2018-12-26) (changelog)
Table of Contents
- Quickstart
- Developer Setup
- Demo Server
- Using in Another Project
- Project Status
- References and Reading
Quickstart
$ pip install pymidi
or
pipenv install pymidi
See Using in Another Project and the Developer Setup wiki for more information.
Developer Setup
Set up your workspace with the very excellent Pipenv:
$ pipenv install
Once installed, you'll probably find it useful to work in a pipenv shell
, for ease of testing and running things:
$ pipenv shell
(pymidi-tFFCbXNj)
$ python pymidi/server.py
Compatibility
pymidi
requires Python 3. It has been tested against Python 3.6 and Python 3.7.
Running tests
Tests are run with pytest:
$ pytest
Developing against something else
If you're working on a project that uses pymidi
and want to develop both concurrently, leverage the setuptools develop
command:
$ cd ~/git/otherproject
$ pipenv shell
$ pushd ~/git/pymidi && python setup.py develop && popd
This creates a link to ~/git/pymidi
within the environment of ~/git/otherproject
.
Demo Server
The library includes a simple demo server which prints stuff.
$ python pymidi/server.py
See --help
for usage.
Using in Another Project
Most likely you will want to embed a server in another project, and respond to MIDI commands in some application specific way. The demo serve is an example of what you need to do.
First, create a subclass of server.Handler
to implement your policy:
from pymidi import server
class MyHandler(server.Handler):
def on_peer_connected(self, peer):
print('Peer connected: {}'.format(peer))
def on_peer_disconnected(self, peer):
print('Peer disconnected: {}'.format(peer))
def on_midi_commands(self, peer, command_list):
for command in command_list:
if command.command == 'note_on':
key = command.params.key
velocity = command.params.velocity
print('Someone hit the key {} with velocity {}'.format(key, velocity))
Then install it in a server and start serving:
myServer = server.Server([('0.0.0.0', 5051)])
myServer.add_handler(MyHandler())
myServer.serve_forever()
See the Developer Setup wiki for ways to test with real devices.
Project Status
What works:
- Exchange packet parsing
- Timestamp sync packet parsing
- Exchange & timestamp sync protocol support
- MIDI message parsing
Not (yet) implemented:
- Journal contents parsing
- Verification of peers on the data channel
- Auto-disconnect peers that stop synchronizing clocks
References and Reading
- Official docs
- Other helpful docs/sites
Project details
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