Initial commit

[ta/distributed-state-server.git] / src / dss / api / dss_error.py

diff --git a/src/dss/api/dss_error.py b/src/dss/api/dss_error.py
new file mode 100644 (file)
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--- /dev/null
+++ b/src/dss/api/dss_error.py
@@ -0,0 +1,57 @@
+# Copyright 2019 Nokia
+#
+# 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 sys
+
+
+class Error(Exception):
+    def __init__(self, description):
+        self.description = description
+
+    def get_description(self):
+        return self.description
+
+    def __str__(self):
+        return '%s' % self.description
+
+def handle_exceptions(func):
+    def wrapper(self, *arg, **kwargs):
+        try:
+            return func(self, *arg, **kwargs)
+        except Error as exp:
+            raise
+        except Exception as exp:
+            raise Error(str(exp))
+    return wrapper
+
+
+if __name__ == '__main__':
+    class Test:
+        @handle_exceptions
+        def test_raise(self):
+            raise Exception('Some error')
+
+    try:
+        test = Test()
+        test.test_raise()
+    except Error as exp:
+        print('Got exception %s' % exp)
+
+    try:
+        raise Error(sys.argv[1])
+    except Error as error:
+        print('Got exception %s' % str(error))
+    except Exception as exp:
+        print('Got exception %s' % str(exp))