80 def type_check(arg):  argument
86     if arg is not None and not os.path.exists(arg):
88             "FileNotFoundError, path: %s" % arg, UPDATE_LOGGER.ERROR_LOG)
90     return arg
93 def private_key_check(arg):  argument
100     if arg != "ON_SERVER" and not os.path.isfile(arg):
102             "FileNotFoundError, path: %s" % arg, UPDATE_LOGGER.ERROR_LOG)
104     return arg
107 def check_update_package(arg):  argument
115     if os.path.exists(arg):
116         if os.path.isfile(arg):
119                 "path: %s" % arg, UPDATE_LOGGER.ERROR_LOG)
125                 "path: %s" % arg, UPDATE_LOGGER.WARNING_LOG)
126             os.makedirs(arg)
127             make_dir_path = arg
131                 "path: %s" % arg, UPDATE_LOGGER.ERROR_LOG)
135     return arg