[AppConfig] adding samples based on .NET samples

sdk/appconfiguration/azure-appconfiguration/samples/README.md

@@ -36,6 +36,7 @@ pip install azure-appconfiguration
 | conditional_operation_sample.py / conditional_operation_async_sample.py | demos conditional set/get/delete operations |
 | read_only_sample.py / read_only_async_sample.py | demos set_read_only operations |
 | list_revision_sample.py / list_revision_async_sample.py | demos list revision operations |
+| sync_token_samples.py / sync_token_async_samples.py | demos the `update_sync_token` method |
 
 <!-- LINKS -->
 [azure_sub]: https://azure.microsoft.com/free/

sdk/appconfiguration/azure-appconfiguration/samples/sync_token_async_samples.py

@@ -0,0 +1,41 @@
+# coding: utf-8
+
+# -------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+# --------------------------------------------------------------------------
+
+"""
+FILE: sync_token_async_samples.py
+DESCRIPTION:
+    This sample demos update_sync_token for the AzureAppConfigurationClient
+USAGE: python sync_token_async_samples.py
+"""
+
+import asyncio
+from azure.appconfiguration.aio import AzureAppConfigurationClient
+from util import print_configuration_setting, get_connection_string
+
+
+async def handle_event_grid_notifications(event_grid_events):
+    # type: (List[dict[str, Any]]) -> None
+    CONNECTION_STRING = get_connection_string()
+
+    all_keys = []
+
+    async with AzureAppConfigurationClient.from_connection_string(CONNECTION_STRING) as client:
+
+        for event_grid_event in event_grid_events:
+            if event_grid_event["eventType"] == 'Microsoft.KeyValueModified':
+                sync_token = event['data']['syncToken']
+                client.update_sync_token(sync_token)
+
+                new_key = await client.get_configuration_setting(key=event['data']['key'], label=event['data']['label'])
+
+                all_keys.append(new_key)
+
+
+if __name__ == "__main__":
+    loop = asyncio.get_event_loop()
+    loop.run_until_complete(handle_event_grid_notifications([]))

sdk/appconfiguration/azure-appconfiguration/samples/sync_token_samples.py

@@ -0,0 +1,39 @@
+# coding: utf-8
+
+# -------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+# --------------------------------------------------------------------------
+
+"""
+FILE: sync_token_samples.py
+DESCRIPTION:
+    This sample demos update_sync_token for the AzureAppConfigurationClient
+USAGE: python sync_token_samples.py
+"""
+
+from azure.appconfiguration import AzureAppConfigurationClient
+from util import print_configuration_setting, get_connection_string
+
+
+def handle_event_grid_notifications(event_grid_events):
+    # type: (List[dict[str, Any]]) -> None
+    CONNECTION_STRING = get_connection_string()
+
+    all_keys = []
+
+    with AzureAppConfigurationClient.from_connection_string(CONNECTION_STRING) as client:
+
+        for event_grid_event in event_grid_events:
+            if event_grid_event["eventType"] == 'Microsoft.KeyValueModified':
+                sync_token = event['data']['syncToken']
+                client.update_sync_token(sync_token)
+
+                new_key = client.get_configuration_setting(key=event['data']['key'], label=event['data']['label'])
+
+                all_keys.append(new_key)
+
+
+if __name__ == "__main__":
+    handle_event_grid_notifications([])