+++ /dev/null
-# Copyright (c) 2016 Cisco and/or its affiliates.
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at:
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""Traffic scripts argument parser library."""
-
-import argparse
-
-
-class TrafficScriptArg(object):
- """Traffic scripts argument parser.
-
- Parse arguments for traffic script. Default has two arguments '--tx_if'
- and '--rx_if'. You can provide more arguments. All arguments have string
- representation of the value.
-
- :param more_args: List of aditional arguments (optional).
- :type more_args: list
-
- :Example:
-
- >>> from TrafficScriptArg import TrafficScriptArg
- >>> args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip'])
- """
-
- def __init__(self, more_args=None):
- parser = argparse.ArgumentParser()
- parser.add_argument("--tx_if", help="interface that sends traffic")
- parser.add_argument("--rx_if", help="interface that receives traffic")
-
- if more_args is not None:
- for arg in more_args:
- arg_name = '--{0}'.format(arg)
- parser.add_argument(arg_name)
-
- self._parser = parser
- self._args = vars(parser.parse_args())
-
- def get_arg(self, arg_name):
- """Get argument value.
-
- :param arg_name: Argument name.
- :type arg_name: str
- :return: Argument value.
- :rtype: str
- """
- arg_val = self._args.get(arg_name)
- if arg_val is None:
- raise Exception("Argument '{0}' not found".format(arg_name))
-
- return arg_val