firefox_binary.py 文件源码

def _find_exe_in_registry(self):
        try:
            from _winreg import OpenKey, QueryValue, HKEY_LOCAL_MACHINE, HKEY_CURRENT_USER
        except ImportError:
            from winreg import OpenKey, QueryValue, HKEY_LOCAL_MACHINE, HKEY_CURRENT_USER
        import shlex
        keys = (
           r"SOFTWARE\Classes\FirefoxHTML\shell\open\command",
           r"SOFTWARE\Classes\Applications\firefox.exe\shell\open\command"
        )
        command = ""
        for path in keys:
            try:
                key = OpenKey(HKEY_LOCAL_MACHINE, path)
                command = QueryValue(key, "")
                break
            except OSError:
                try:
                    key = OpenKey(HKEY_CURRENT_USER, path)
                    command = QueryValue(key, "")
                    break
                except OSError:
                    pass
        else:
            return ""

        if not command:
            return ""

        return shlex.split(command)[0]