set_desktop_launcher.py 文件源码

def set_desktop_launcher(app: str, desktop_file_content: str,
                         autostart: bool=False) -> namedtuple:
    """Add to autostart or launcher icon on the Desktop."""
    if not sys.platform.startswith("linux"):
        return  # .desktop files are Linux only AFAIK.
    if not isinstance(app, str) or not isinstance(desktop_file_content, str):
        raise TypeError("app or desktop_file_content are not String Types.")
    app, desktop_file_txt = app.strip().lower(), desktop_file_content.strip()
    if not len(app) or not len(desktop_file_txt):
        raise ValueError("app or desktop_file_content can not be Empty value.")

    # Auto-Start file below.
    config_dir = Path.home() / ".config" / "autostart"
    config_dir.mkdir(parents=True, exist_ok=True)
    fyle = config_dir / (app + ".desktop")
    if config_dir.is_dir() and not fyle.is_file():
        if bool(autostart):
            log.info(f"Writing 1 Auto-Start desktop file: {fyle} ({fyle!r}).")
            fyle.write_text(desktop_file_txt, encoding="utf-8")
        fyle.chmod(0o776) if fyle.is_file() else log.debug("chmod: NO.")

    # Desktop Launcher file below.
    apps_dir = Path.home() / ".local" / "share" / "applications"  # paths XDG.
    apps_dir.mkdir(parents=True, exist_ok=True)
    desktop_file = apps_dir / (app + ".desktop")
    if apps_dir.is_dir() and not desktop_file.is_file():
        log.info(f"Writing 1 Launcher file: {desktop_file} ({desktop_file!r})")
        desktop_file.write_text(desktop_file_txt, encoding="utf-8")
        fyle.chmod(0o776) if fyle.is_file() else log.debug("chmod: NO.")

    return namedtuple("DesktopFiles", "launcher autostart")(desktop_file, fyle)