mod-script-pipe - Works fine and then file not found

Programming and Development Compiling Audacity
1

Good Morning,

I’ve managed to use mod-script-pipe to script Audacity (on Win 7 and 10) and it’s working fine, except that after launching a few times the script I seem to lose the connection from Python to Audacity and I get the following error:

FileNotFoundError: [Errno 2] No such file or directory: ‘\\.\pipe\ToSrvPipe’

If I try to launch the script again I then get the following error:

Read (or Write) from “\.\pipe\FromSrvPipe”
…does not exist. Ensure Audacity is running with mod-script-pipe.

I’m using the pipe-test.py file (please see code below) to check the connection with Audacity before running my script. Sometimes if I close Audacity and re-open it the script will work again for a few times and then will give me the same error, sometimes re-opening Audacity doesn’t work. I don’t really understand what the pipe-test.py is trying to (what is path “'\\.\pipe\ToSrvPipe”?), is there anything I could do or add to the code to stabilize the connection between Python and Audacity? I

Thanks in advance for your response

2

You’ve not attached the code.

I’m not very familiar with names pipes on Windows either, but “pipeclient.py” should provide an easy way to use pipes on all platforms:
https://github.com/audacity/audacity/blob/master/scripts/piped-work/pipeclient.py

3

When you open a file with the name “filename.ext”; you are telling the open() function that your file is in the current working directory . This is called a relative path.

file = open(‘filename.ext’) //relative path

In the above code, you are not giving the full path to a file to the open() function, just its name - a relative path. The error “FileNotFoundError: [Errno 2] No such file or directory” is telling you that there is no file of that name in the working directory. So, try using the exact, or absolute path.

file = open(r’C:\path\to\your\filename.ext’) //absolute path

In the above code, all of the information needed to locate the file is contained in the path string - absolute path.