CheckRange - Thanks to Dmitriy Kovalev

wbackup_zfs/wbackup_zfs.py

@@ -1876,6 +1876,20 @@ def __call__(self, parser, namespace, values, option_string=None):
 
 
 #############################################################################
+# Copied from https://gist.github.com/dmitriykovalev/2ab1aa33a8099ef2d514925d84aa89e7/30961300d3f8192f775709c06ff9a5b777475adf
+# Written by Dmitriy Kovalev
+#
+# 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.
 class CheckRange(argparse.Action):
     ops = {'inf': operator.gt,
            'min': operator.ge,