add arg parser

paddle_hub/tools/arg_helper.py

+# Copyright (c) 2019  PaddlePaddle Authors. All Rights Reserved.
+#
+# 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.
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from paddle_hub.tools.logger import logger
+import six
+
+
+def add_argument(argument, type, default, help, argparser, **kwargs):
+    type = distutils.util.strtobool if type == bool else type
+    argparser.add_argument(
+        argument,
+        default=default,
+        type=type,
+        help=help + ' Default: %(default)s.',
+        **kwargs)
+
+
+def print_arguments(args):
+    logger.debug("-----------  Configuration Arguments -----------")
+    for arg, value in sorted(six.iteritems(vars(args))):
+        logger.debug("%s: %s" % (arg, value))
+    logger.debug("------------------------------------------------")