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#!/usr/bin/env python
#
# probe_ports.py
#
"""Shows how to probe for available MIDI input and output ports."""
from rtmidi import (API_LINUX_ALSA, API_MACOSX_CORE, API_RTMIDI_DUMMY,
API_UNIX_JACK, API_WINDOWS_MM, MidiIn, MidiOut,
get_compiled_api)
try:
input = raw_input
except NameError:
# Python 3
StandardError = Exception
apis = {
API_MACOSX_CORE: "macOS (OS X) CoreMIDI",
API_LINUX_ALSA: "Linux ALSA",
API_UNIX_JACK: "Jack Client",
API_WINDOWS_MM: "Windows MultiMedia",
API_RTMIDI_DUMMY: "RtMidi Dummy"
}
available_apis = get_compiled_api()
for api, api_name in sorted(apis.items()):
if api in available_apis:
try:
reply = input("Probe ports using the %s API? (Y/n) " % api_name)
if reply.strip().lower() not in ['', 'y', 'yes']:
continue
except (KeyboardInterrupt, EOFError):
print('')
break
for name, class_ in (("input", MidiIn), ("output", MidiOut)):
try:
midi = class_(api)
ports = midi.get_ports()
except StandardError as exc:
print("Could not probe MIDI %s ports: %s" % (name, exc))
continue
if not ports:
print("No MIDI %s ports found." % name)
else:
print("Available MIDI %s ports:\n" % name)
for port, name in enumerate(ports):
print("[%i] %s" % (port, name))
print('')
del midi
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