def parse_args()

in azurelinuxagent/agent.py [0:0]
58 lines of code
3 McCabe index (conditional complexity)

def parse_args(sys_args):
    """
    Parse command line arguments
    """
    cmd = AgentCommands.Help
    force = False
    verbose = False
    debug = False
    conf_file_path = None
    log_collector_full_mode = False
    endpoint = None

    regex_cmd_format = "^([-/]*){0}"

    for arg in sys_args:
        if arg == "":
            # Don't parse an empty parameter
            continue
        m = re.match(r"^(?:[-/]*)configuration-path:([\w/\.\-_]+)", arg)
        if not m is None:
            conf_file_path = m.group(1)
            if not os.path.exists(conf_file_path):
                print("Error: Configuration file {0} does not exist".format(
                        conf_file_path), file=sys.stderr)
                print(usage())
                sys.exit(1)
        elif re.match("^([-/]*)deprovision\\+user", arg):
            cmd = AgentCommands.DeprovisionUser
        elif re.match(regex_cmd_format.format(AgentCommands.Deprovision), arg):
            cmd = AgentCommands.Deprovision
        elif re.match(regex_cmd_format.format(AgentCommands.Daemon), arg):
            cmd = AgentCommands.Daemon
        elif re.match(regex_cmd_format.format(AgentCommands.Start), arg):
            cmd = AgentCommands.Start
        elif re.match(regex_cmd_format.format(AgentCommands.RegisterService), arg):
            cmd = AgentCommands.RegisterService
        elif re.match(regex_cmd_format.format(AgentCommands.RunExthandlers), arg):
            cmd = AgentCommands.RunExthandlers
        elif re.match(regex_cmd_format.format(AgentCommands.Version), arg):
            cmd = AgentCommands.Version
        elif re.match(regex_cmd_format.format("verbose"), arg):
            verbose = True
        elif re.match(regex_cmd_format.format("debug"), arg):
            debug = True
        elif re.match(regex_cmd_format.format("force"), arg):
            force = True
        elif re.match(regex_cmd_format.format(AgentCommands.ShowConfig), arg):
            cmd = AgentCommands.ShowConfig
        elif re.match("^([-/]*)(help|usage|\\?)", arg):
            cmd = AgentCommands.Help
        elif re.match(regex_cmd_format.format(AgentCommands.CollectLogs), arg):
            cmd = AgentCommands.CollectLogs
        elif re.match(regex_cmd_format.format("full"), arg):
            log_collector_full_mode = True
        else:
            regex_cmd = regex_cmd_format.format("{0}=(?P<endpoint>[\\d.]{{7,}})".format(AgentCommands.SetupFirewall))
            match = re.match(regex_cmd, arg)
            if match is not None:
                cmd = AgentCommands.SetupFirewall
                endpoint = match.group('endpoint')
            else:
                cmd = AgentCommands.Help
                break

    return cmd, force, verbose, debug, conf_file_path, log_collector_full_mode, endpoint