Adjust the directory structure to prepare for merging into Master.

PoC/example_services/demo_service2/google_calendar/oauth.py

@@ -0,0 +1,26 @@
+import os.path
+
+from google.auth.transport.requests import Request
+from google.oauth2.credentials import Credentials
+from google_auth_oauthlib.flow import InstalledAppFlow
+
+from .config import SCOPES
+
+
+def auth():
+    creds = None
+
+    if os.path.exists("token.json"):
+        creds = Credentials.from_authorized_user_file("token.json", SCOPES)
+    # If there are no (valid) credentials available, let the user log in.
+    if not creds or not creds.valid:
+        if creds and creds.expired and creds.refresh_token:
+            creds.refresh(Request())
+        else:
+            flow = InstalledAppFlow.from_client_secrets_file("credentials.json", SCOPES)
+            creds = flow.run_local_server(port=0)
+        # Save the credentials for the next run
+        with open("token.json", "w") as token:
+            token.write(creds.to_json())
+
+    return creds