Add POC of audacity control

audacity_control.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""Tests the audacity pipe.
+Keep pipe_test.py short!!
+You can make more complicated longer tests to test other functionality
+or to generate screenshots etc in other scripts.
+Make sure Audacity is running first and that mod-script-pipe is enabled
+before running this script.
+Requires Python 2.7 or later. Python 3 is strongly recommended.
+"""
+
+import os
+import sys
+
+
+if sys.platform == 'win32':
+    print("pipe-test.py, running on windows")
+    TONAME = '\\\\.\\pipe\\ToSrvPipe'
+    FROMNAME = '\\\\.\\pipe\\FromSrvPipe'
+    EOL = '\r\n\0'
+else:
+    print("pipe-test.py, running on linux or mac")
+    TONAME = '/tmp/audacity_script_pipe.to.' + str(os.getuid())
+    FROMNAME = '/tmp/audacity_script_pipe.from.' + str(os.getuid())
+    EOL = '\n'
+
+print("Write to  \"" + TONAME + "\"")
+if not os.path.exists(TONAME):
+    print(" does not exist. Ensure Audacity is running with mod-script-pipe.")
+    sys.exit()
+
+print("Read from \"" + FROMNAME + "\"")
+if not os.path.exists(FROMNAME):
+    print(" does not exist.  Ensure Audacity is running with mod-script-pipe.")
+    sys.exit()
+
+print("-- Both pipes exist.  Good.")
+
+TOFILE = open(TONAME, 'w')
+print("-- File to write to has been opened")
+FROMFILE = open(FROMNAME, 'rt')
+print("-- File to read from has now been opened too\r\n")
+
+
+def send_command(command):
+    """Send a single command."""
+    print("Send: >>> \n"+command)
+    TOFILE.write(command + EOL)
+    TOFILE.flush()
+
+
+def get_response():
+    """Return the command response."""
+    result = ''
+    line = ''
+    while True:
+        result += line
+        line = FROMFILE.readline()
+        if line == '\n' and len(result) > 0:
+            break
+    return result
+
+
+def do_command(command):
+    """Send one command, and return the response."""
+    send_command(command)
+    response = get_response()
+    print("Rcvd: <<< \n" + response)
+    return response
+
+
+def quick_test():
+    """Example list of commands."""
+    do_command('Help: Command=Help')
+    do_command('Help: Command="GetInfo"')
+    # do_command('SetPreference: Name=GUI/Theme Value=classic Reload=1')
+
+
+do_command('Import2: Filename=/home/kae/git/musicmuster/archive/boot.flac')