feat: add example script 'send_all.py'

Signed-off-by: Christopher Arndt <[email protected]>

Author: SpotlightKid

examples/advanced/send_all.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+"""Send all notes and CCs with all possible values an all 16 channels."""
+
+import argparse
+import logging
+import sys
+import time
+
+from rtmidi.midiutil import open_midioutput
+from rtmidi.midiconstants import *
+
+
+log = logging.getLogger("midi-send-all")
+
+argp = argparse.ArgumentParser()
+argp.add_argument(
+    "-v",
+    "--verbose",
+    action="store_true",
+    help="Verbose output"
+)
+argp.add_argument(
+    "-c",
+    "--channels",
+    help="Channel or list of channels (comma-separated) to send on (default: 1..16)",
+)
+argp.add_argument(
+    "-d",
+    "--delay",
+    type=float,
+    default=0.01,
+    help="Delay between messages (default: %(default).2f s)",
+)
+argp.add_argument(
+    "-o",
+    "--off-velocity",
+    type=int,
+    default=64,
+    help="Note off velocity (default: %(default)i)"
+)
+argp.add_argument(
+    "-V",
+    "--velocity",
+    type=int,
+    default=127,
+    help="Note on velocity (default: %(default)i)"
+)
+argp.add_argument(
+    "port",
+    nargs="?",
+    help="MIDI output port (default: ask)"
+)
+
+args = argp.parse_args()
+
+logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO)
+
+if args.channels:
+    channels = []
+    for ch in args.channels.split(","):
+        try:
+            ch = int(ch.strip()) - 1
+            if 0 > ch > 16:
+                raise ValueError
+        except:
+            argp.print_help()
+            sys.exit(1)
+
+        channels.append(ch)
+else:
+    channels = range(16)
+
+try:
+    midiout, name = open_midioutput()
+
+    with midiout:
+        for chan in channels:
+            for note in range(128):
+                log.debug(f"Sending NOTE ON:  ch={chan+1:02}, note={note:03}, vel={args.velocity:03}")
+                midiout.send_message([NOTE_ON | chan, note, args.velocity])
+                time.sleep(args.delay)
+                log.debug(f"Sending NOTE OFF: ch={chan+1:02}, note={note:03}, vel={args.off_velocity:03}")
+                midiout.send_message([NOTE_OFF | chan, note, args.off_velocity])
+                time.sleep(args.delay)
+
+        for chan in channels:
+            for cc in range(128):
+                for val in range(128):
+                    log.debug(f"Sending CONTROL_CHANGE: ch={chan+1:02}, cc={cc:03}, val={val:03}")
+                    midiout.send_message([CONTROL_CHANGE | chan, cc, val])
+                    time.sleep(args.delay)
+except (EOFError, KeyboardInterrupt):
+    log.warning("Interrupted.")
+
+log.debug("Done.")