1 files changed, 45 insertions, 0 deletions
diff --git a/tosca2heat/heat-translator-0.3.0/translator/osc/utils.py b/tosca2heat/heat-translator-0.3.0/translator/osc/utils.py
new file mode 100644
index 0000000..e8a6814
--- /dev/null
+++ b/tosca2heat/heat-translator-0.3.0/translator/osc/utils.py
@@ -0,0 +1,45 @@
+#   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.
+#
+
+"""Common client utilities"""
+
+import argparse
+import os
+
+
+def env(*vars, **kwargs):
+    """Search for the first defined of possibly many env vars
+
+    Returns the first environment variable defined in vars, or
+    returns the default defined in kwargs.
+    """
+    for v in vars:
+        value = os.environ.get(v, None)
+        if value:
+            return value
+    return kwargs.get('default', '')
+
+
+class KeyValueAction(argparse.Action):
+    """A custom action to parse arguments as key=value pairs. """
+
+    def __call__(self, parser, namespace, values, option_string=None):
+        # Make sure we have an empty dict rather than None
+        if getattr(namespace, self.dest, None) is None:
+            setattr(namespace, self.dest, {})
+
+        # Add value if an assignment else remove it
+        if '=' in values:
+            getattr(namespace, self.dest, {}).update([values.split('=', 1)])
+        else:
+            getattr(namespace, self.dest, {}).pop(values, None)