🔒 Possible to catch cls with subprocess.Popen?

[wind jacinth]

i am currently hooking into another running exe with subprocess

import subprocess

cmd = "process.exe"
proc = subprocess.Popen(cmd, shell=True, bufsize=256, stdout=subprocess.PIPE)

def subprocess_readlines(out):
    while True:
        line = out.readline()
        if not line:
            return
        yield line

for line in subprocess_readlines(proc.stdout):
    print(">>>", line.rstrip().decode("utf-8"))

the original program itself is written in Go, and it clears the window using cls

    clearFuncMap["windows"] = func() {
        cmd := exec.Command("cmd", "/c", "cls")
        cmd.Stdout = os.Stdout
        cmd.Run()
    }

How do I capture this cls command and clear my own output accordingly? My goal here is to redirect all output to be sent via a Discord channel, but restructing my the entire Go code to run with discord will be too time consuming.

[winged acorn]

@wind jacinth

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[vital crane]

What happens if you use subprocess.run("cls", check=True)?

[wind jacinth]

this does clear the console window

import subprocess
subprocess.run("cls", check=True, shell=True)

but i still require a way to check if a cls is called from the original program

[vital crane]

Apparently you can use https://click.palletsprojects.com/en/8.0.x/utils/#screen-clearing

Oh I see what you're saying

[wind jacinth]

Yep haha

I know this deviates a little from Python, but if there is a possible way to capture a clear screen with minimal changes to the Go code, I am open for suggestions

[vital crane]

cls doesn't do anything if attached to a pipe

You need to attach it to a TTY

[wind jacinth]

but this does mean if i was to use tty, i wld require a unix like environment instead, due to termios. the binary i am running is however an exe for Windows. Is there any tty library equivalent in an Windows env? I dont seem to be able to find anything

[winged acorn]

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