add license header, add requirements

Signed-off-by: Ryan McCormick <rmccormick@nvidia.com>

docker/parse_onnx_multi_version.py

@@ -1,4 +1,19 @@
 #!/usr/bin/env python3
+
+# Copyright 2020 NVIDIA Corporation
+#
+# 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.
+
 import os
 import re
 import sys
@@ -7,6 +22,9 @@
 from pprint import pprint
 from collections import defaultdict
 
+if len(sys.argv) < 2:
+    sys.exit("Usage: {} model.onnx".format(sys.argv[0]))
+
 # ONNX file in current directory
 model = sys.argv[1]
 

docker/requirements.txt

@@ -0,0 +1 @@
+docker==4.2.0