Add bi-directional GRPC python executor.

Python based bidirectional communication script executor microservice.

Issue-ID: CCSDK-1747
Signed-off-by: Brinda Santh <bs2796@att.com>
Change-Id: If2e8f862ca4cb97d10714df2ab1cccccef2d576a

3 files changed, 85 insertions, 0 deletions

diff --git a/ms/py-executor/test/resources/sample-cba/1.0.0/Scripts/python/__init__.py b/ms/py-executor/test/resources/sample-cba/1.0.0/Scripts/python/__init__.py
new file mode 100644
index 000000000..82407c25b
--- /dev/null
+++ b/ms/py-executor/test/resources/sample-cba/1.0.0/Scripts/python/__init__.py
@@ -0,0 +1,16 @@
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  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 .sample_script import *
+from .module_utils import *
\ No newline at end of file
diff --git a/ms/py-executor/test/resources/sample-cba/1.0.0/Scripts/python/module_utils.py b/ms/py-executor/test/resources/sample-cba/1.0.0/Scripts/python/module_utils.py
new file mode 100644
index 000000000..627b6eebb
--- /dev/null
+++ b/ms/py-executor/test/resources/sample-cba/1.0.0/Scripts/python/module_utils.py
@@ -0,0 +1,18 @@
+
+
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  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.
+
+def say_hi():
+    print("successfully pinged")
\ No newline at end of file
diff --git a/ms/py-executor/test/resources/sample-cba/1.0.0/Scripts/python/sample_script.py b/ms/py-executor/test/resources/sample-cba/1.0.0/Scripts/python/sample_script.py
new file mode 100644
index 000000000..3af46b297
--- /dev/null
+++ b/ms/py-executor/test/resources/sample-cba/1.0.0/Scripts/python/sample_script.py
@@ -0,0 +1,51 @@
+#!/usr/bin/python
+#
+#  Copyright © 2018-2019 AT&T Intellectual Property.
+#
+#  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 logging
+from blueprints_grpc import executor_utils
+from blueprints_grpc.blueprint_processing_server import AbstractScriptFunction
+from .module_utils import say_hi
+import json
+
+
+class SampleScript(AbstractScriptFunction):
+    def __init__(self):
+        self.logger = logging.getLogger(self.__class__.__name__)
+
+    def process(self, execution_request):
+        self.logger.info("Request Received in Script : {}".format(execution_request))
+        yield executor_utils.log_response(execution_request, "First message")
+        yield executor_utils.log_response(execution_request, "Second message")
+
+        # TO check , If this class could call other python files.
+        say_hi()
+
+        # Check Yield should be called from other methods.
+        yield from self.send_notification(execution_request)
+
+        response_data = """{
+        "property" : "value"
+         }
+        """
+        response_payload_json = json.loads(response_data)
+
+        yield executor_utils.success_response(execution_request, response_payload_json, 200)
+
+    def recover(self, runtime_exception, execution_request):
+        return None
+
+    def send_notification(self, execution_request):
+        yield executor_utils.send_notification(execution_request, "I am notification")