Function __get_ver_thread

PySimpleGUI/PySimpleGUI.py:24668–24691

Not directly user callable The thread that gets a package version and returns it. Uses a Python progrm it creates and runs as a subprocess to get the value to return :param interpreter: The interpreter to use to check. If none specified, then the currently running interpreter is us

(interpreter, package, window, key)

def __get_ver_thread(interpreter, package, window, key):
    """
    Not directly user callable
    The thread that gets a package version and returns it.  Uses a Python progrm it creates and runs as a subprocess to get the value to return
    :param interpreter:     The interpreter to use to check. If none specified, then the currently running interpreter is used
    :type interpreter:      str
    :param package:         The name of the package to get version of
    :type package:          str
    :param window:          Optional Window. If provided, the operation is run as a thread and the results passed to the window as an event
    :type window:           (Window)
    :param key:             key that will be sent to Window when operation completes
    :type key:               str | int | tuple | object | None
    :return:
    """
    ver = __get_ver_pre_38(interpreter, package)
    if not ver:
        ver = __get_ver_38_later(interpreter, package)
    if ver == ' ':
        ver = ''
    if window:
        window.write_event_value(key, ver)
        return None
    else:
        return ver if ver != ' ' else ''

def __get_ver_pre_38(interpreter, package):
    """