(20241010) Almost ready for deployment.

utils_v2/api/async_quart.py

@@ -55,8 +55,12 @@ import datetime
 
 # System-level activities:
 import io
+<<<<<<< HEAD
+=======
+import os
+>>>>>>> 0450b2a445509ef536ccf8598ab31a0e4ba09f18
 
-# For Pydantic data-models:
+# For Pydantic data-behaviour_models:
 import pydantic
 
 # For hashing and shortening the hash:
@@ -700,7 +704,9 @@ def should_not_be_under_maintenance(attr_name):
 
     """
     Use this decorator to reject a request when the app is being marked as "under-maintenance". You will need to create
-    a boolean variable within the scope of the 'current_app' for this to work.
+    a boolean variable within the scope of the 'current_app' for this to work. An alternate to this is to set the value
+    in an environment variable named 'IS_UNDER_MAINTENANCE' to a string value of either 'True' or 'False' for
+    multi-worker deployments.
     :param attr_name: The name of the boolean variable that will hold the information about the app being under
         maintenance. If its value is True at the time of checking, the incoming request will be rejected.
     :return: The decorator factory.
@@ -717,7 +723,9 @@ def should_not_be_under_maintenance(attr_name):
             # Get the attribute and check if it indicates that the app is under maintenance,
             # call the wrapped function if not under maintenance:
             app_attr = getattr(current_app, attr_name)
-            if app_attr: response = ResponseModel(status_code = StatusCodes.DOWN_FOR_MAINTENANCE).for_quart()
+            env_attr = True if os.environ.get("IS_UNDER_MAINTENANCE", "False").lower() == "true" else False
+            if app_attr or env_attr:
+                response = ResponseModel(status_code = StatusCodes.DOWN_FOR_MAINTENANCE).for_quart()
             else:
                 response = await func(*args, **kwargs)
                 kwargs["decorator_count"] -= 1