udocker.py 文件源码

def declare_options(self, opts_string, opt_where="CMD_OPT"):
        """Declare in advance options that are part of the command line
        """
        pos = 0
        opt_list = self._argv_split[opt_where]
        while pos < len(opt_list):
            for opt_name in opts_string.strip().split():
                if opt_name.endswith("="):
                    if opt_list[pos].startswith(opt_name):
                        self._argv_consumed_options[opt_where].append(pos)
                    elif opt_list[pos] == opt_name[:-1]:
                        self._argv_consumed_options[opt_where].append(pos)
                        if pos + 1 == len(opt_list):
                            break   # error -x without argument at end of line
                        if (pos < len(opt_list) and
                                not opt_list[pos+1].startswith("-")):
                            self._argv_consumed_options[opt_where].\
                                append(pos + 1)
                elif opt_list[pos] == opt_name:
                    self._argv_consumed_options[opt_where].append(pos)
            pos += 1