Python argparse.Action() Examples

The following are code examples for showing how to use argparse.Action(). They are extracted from open source Python projects. You can vote up the examples you like or vote down the ones you don't like. You can also save this page to your account.

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Example 1

Project: aws-encryption-sdk-cli Author: awslabs File: arg_parsing.py (Apache License 2.0) View Source Project

7 votes

def __call__(
            self,
            parser,  # type: argparse.ArgumentParser
            namespace,  # type: argparse.Namespace
            values,  # type: Union[ARGPARSE_TEXT, Sequence[Any], None]
            option_string=None  # type: Optional[ARGPARSE_TEXT]
    ):
        # type: (...) -> None
        """Checks to make sure that the destination is empty before writing.

        :raises parser.error: if destination is already set
        """
        if getattr(namespace, self.dest) is not None:  # type: ignore # typeshed doesn't know about Action.dest yet?
            parser.error('{} argument may not be specified more than once'.format(option_string))
            return
        setattr(namespace, self.dest, values)  # type: ignore # typeshed doesn't know about Action.dest yet?

Example 2

Project: VPP_P4 Author: RuchaMarathe File: test_lib.py (license) View Source Project

6 votes

def do_table_set_default(self, line):
        "Set default action for a match table: table_set_default <table name> <action name> <action parameters>"
        args = line.split()

        self.at_least_n_args(args, 2)

        table_name, action_name = args[0], args[1]

        table = self.get_res("table", table_name, TABLES)
        if action_name not in table.actions:
            raise UIn_Error(
                "Table %s has no action %s" % (table_name, action_name)
            )
        action = ACTIONS[action_name]
        if len(args[2:]) != action.num_params():
            raise UIn_Error(
                "Action %s needs %d parameters" % (action_name, action.num_params())
            )

        runtime_data = parse_runtime_data(action, args[2:])

        self.print_set_default(table_name, action_name, runtime_data)

        self.client.bm_mt_set_default_action(0, table_name, action_name, runtime_data)

Example 3

Project: VPP_P4 Author: RuchaMarathe File: test_lib.py (license) View Source Project

6 votes

def do_act_prof_create_member(self, line):
        "Add a member to an action profile: act_prof_create_member <action profile name> <action_name> [action parameters]"
        args = line.split()

        self.at_least_n_args(args, 2)

        act_prof_name, action_name = args[0], args[1]
        act_prof = self.get_res("action profile", act_prof_name, ACTION_PROFS)

        if action_name not in act_prof.actions:
            raise UIn_Error("Action profile '{}' has no action '{}'".format(
                act_prof_name, action_name))
        action = ACTIONS[action_name]

        action_params = args[2:]
        runtime_data = self.parse_runtime_data(action, action_params)

        mbr_handle = self.client.bm_mt_act_prof_add_member(
            0, act_prof_name, action_name, runtime_data)

        print "Member has been created with handle", mbr_handle

Example 4

Project: Flask_Blog Author: sugarguo File: pytestplugin.py (GNU General Public License v3.0) View Source Project

6 votes

def pytest_addoption(parser):
    group = parser.getgroup("sqlalchemy")

    def make_option(name, **kw):
        callback_ = kw.pop("callback", None)
        if callback_:
            class CallableAction(argparse.Action):
                def __call__(self, parser, namespace,
                             values, option_string=None):
                    callback_(option_string, values, parser)
            kw["action"] = CallableAction

        group.addoption(name, **kw)

    plugin_base.setup_options(make_option)
    plugin_base.read_config()

Example 5

Project: Flask_Blog Author: sugarguo File: pytestplugin.py (GNU General Public License v3.0) View Source Project

6 votes

def pytest_addoption(parser):
    group = parser.getgroup("sqlalchemy")

    def make_option(name, **kw):
        callback_ = kw.pop("callback", None)
        if callback_:
            class CallableAction(argparse.Action):
                def __call__(self, parser, namespace,
                             values, option_string=None):
                    callback_(option_string, values, parser)
            kw["action"] = CallableAction

        group.addoption(name, **kw)

    plugin_base.setup_options(make_option)
    plugin_base.read_config()

Example 6

Project: QXSConsolas Author: qxsch File: pytestplugin.py (license) View Source Project

6 votes

def pytest_addoption(parser):
    group = parser.getgroup("sqlalchemy")

    def make_option(name, **kw):
        callback_ = kw.pop("callback", None)
        if callback_:
            class CallableAction(argparse.Action):
                def __call__(self, parser, namespace,
                             values, option_string=None):
                    callback_(option_string, values, parser)
            kw["action"] = CallableAction

        group.addoption(name, **kw)

    plugin_base.setup_options(make_option)
    plugin_base.read_config()

Example 7

Project: flasky Author: RoseOu File: pytestplugin.py (license) View Source Project

6 votes

def pytest_addoption(parser):
    group = parser.getgroup("sqlalchemy")

    def make_option(name, **kw):
        callback_ = kw.pop("callback", None)
        if callback_:
            class CallableAction(argparse.Action):
                def __call__(self, parser, namespace,
                             values, option_string=None):
                    callback_(option_string, values, parser)
            kw["action"] = CallableAction

        group.addoption(name, **kw)

    plugin_base.setup_options(make_option)
    plugin_base.read_config()

Example 8

Project: pipper Author: sernst File: parser.py (license) View Source Project

6 votes

def required_length(minimum: int, maximum: int, optional: bool = False):
    """Returns a custom required length class"""

    class RequiredLength(argparse.Action):
        def __call__(self, parser, args, values, option_string=None):
            is_allowed = (
                (minimum <= len(values) <= maximum) or
                (optional and not len(values))
            )

            if  is_allowed:
                setattr(args, self.dest, values)
                return

            raise argparse.ArgumentTypeError(
                'Argument "{}" must have {}-{} arguments'.format(
                    self.dest,
                    minimum,
                    maximum
                )
            )

    return RequiredLength

Example 9

Project: slicer_cli_web Author: girder File: cli_list_entrypoint.py (license) View Source Project

6 votes

def _make_print_cli_list_spec_action(cli_list_spec_file):

    with open(cli_list_spec_file) as f:
        str_cli_list_spec = f.read()

    class _PrintCLIListSpecAction(argparse.Action):

        def __init__(self,
                     option_strings,
                     dest=argparse.SUPPRESS,
                     default=argparse.SUPPRESS,
                     help=None):
            super(_PrintCLIListSpecAction, self).__init__(
                option_strings=option_strings,
                dest=dest,
                default=default,
                nargs=0,
                help=help)

        def __call__(self, parser, namespace, values, option_string=None):
            print str_cli_list_spec
            parser.exit()

    return _PrintCLIListSpecAction

Example 10

Project: oa_qian Author: sunqb File: pytestplugin.py (license) View Source Project

6 votes

def pytest_addoption(parser):
    group = parser.getgroup("sqlalchemy")

    def make_option(name, **kw):
        callback_ = kw.pop("callback", None)
        if callback_:
            class CallableAction(argparse.Action):
                def __call__(self, parser, namespace,
                             values, option_string=None):
                    callback_(option_string, values, parser)
            kw["action"] = CallableAction

        group.addoption(name, **kw)

    plugin_base.setup_options(make_option)
    plugin_base.read_config()

Example 11