Run a shell command from OBS Advanced scene switcher while storing the output in a variable ... without a temporary file 👀 is OBS Python -> Batch -> Autohotkey

askuser.ahk

#Requires Autohotkey v2

outputtext := InputBox("put somethin here", "messageboxtitle",,A_Args[1]).value

stdout := FileOpen("*", 0x1)
stdout.Write(outputtext)
stdout.Close()

ExitApp

obspyout.py

import obspython as obs
import subprocess as subprocess

shellcmmdmd = ["C:\\ETC\\STREAM\\wat.bat", "${wackytesting}"]
advss_var = "wackytesting"

def run():
    si = subprocess.STARTUPINFO()
    si.dwFlags |= subprocess.STARTF_USESHOWWINDOW
    output = subprocess.run(shellcmmdmd, check=True, capture_output=True, text=True, startupinfo=si).stdout.strip()
    
    advss_set_variable_value(advss_var, output)
    return True

#pulled from WarmUPTill's thingie
#https://github.com/WarmUpTill/SceneSwitcher/issues/1145

# variable with a given name.
# None is returned in case the variable does not exist.
def advss_get_variable_value(name):
    proc_handler = obs.obs_get_proc_handler()
    data = obs.calldata_create()

    obs.calldata_set_string(data, "name", name)
    obs.proc_handler_call(proc_handler, "advss_get_variable_value", data)

    success = obs.calldata_bool(data, "success")
    if success == False:
        obs.script_log(obs.LOG_WARNING, f'failed to get value for variable "{name}"')
        obs.calldata_destroy(data)
        return None

    value = obs.calldata_string(data, "value")

    obs.calldata_destroy(data)
    return value


# The advss_set_variable_value() function can be used to set the value of a
# variable with a given name.
# True is returned if the operation was successful.
def advss_set_variable_value(name, value):
    proc_handler = obs.obs_get_proc_handler()
    data = obs.calldata_create()

    obs.calldata_set_string(data, "name", name)
    obs.calldata_set_string(data, "value", value)
    obs.proc_handler_call(proc_handler, "advss_set_variable_value", data)

    success = obs.calldata_bool(data, "success")
    if success == False:
        obs.script_log(obs.LOG_WARNING, f'failed to set value for variable "{name}"')

    obs.calldata_destroy(data)
    return success

wat.bat

@echo off
chcp 65001 > nul
setlocal enableextensions
  for /f "tokens=*" %%a in ('call "C:\Program Files\AutoHotkey\v2\AutoHotkey64.exe" /CP65001 C:\ETC\STREAM\askuser.ahk %1') do ( set num=%%a )
  echo %num%
endlocal