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# SPDX-FileCopyrightText: 2013 Ole Martin Bjorndalen <ombdalen@gmail.com>
#
# SPDX-License-Identifier: MIT
"""
A simple custom backend with an output port type which prints messages
to stdout.
"""
from mido.ports import BaseOutput
def get_devices():
return [{'name': 'The Print Port',
'is_input': False,
'is_output': True}]
class Output(BaseOutput):
def _open(self, **kwargs):
device = get_devices()[0]
if self.name is None:
self.name = device['name']
elif self.name != device['name']:
raise ValueError(f'unknown port {self.name!r}')
def _send(self, message):
print(message)
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