[BD-13] depr: deprecated the user_id attribute

CHANGELOG.rst

@@ -4,6 +4,11 @@ Change history for XBlock
 
 These are notable changes in XBlock.
 
+1.5.1 - 2021-08-26
+------------------
+
+* Deprecated the Runtime.user_id property in favor of the user service.
+
 1.5.0 - 2021-07-27
 ------------------
 

xblock/VERSION.txt

@@ -1 +1 @@
-1.5.0
+1.5.1

xblock/exceptions.py

@@ -138,6 +138,10 @@ class FieldDataDeprecationWarning(DeprecationWarning):
     """Warning for use of deprecated _field_data accessor"""
 
 
+class UserIdDeprecationWarning(DeprecationWarning):
+    """Warning for use of deprecated user_id accessor"""
+
+
 class XBlockParseException(Exception):
     """
     Raised if parsing the XBlock olx fails.

xblock/runtime.py

@@ -29,6 +29,7 @@
     NoSuchUsage,
     NoSuchDefinition,
     FieldDataDeprecationWarning,
+    UserIdDeprecationWarning,
 )
 
 log = logging.getLogger(__name__)
@@ -563,7 +564,7 @@ def __init__(
         self.default_class = default_class
         self.select = select
 
-        self.user_id = None
+        self._deprecated_per_instance_user_id = None  # pylint: disable=invalid-name
         self.mixologist = Mixologist(mixins)
         self._view_name = None
 
@@ -593,6 +594,26 @@ def field_data(self, field_data):
         warnings.warn("Runtime.field_data is deprecated", FieldDataDeprecationWarning, stacklevel=2)
         self._deprecated_per_instance_field_data = field_data
 
+    @property
+    def user_id(self):
+        """
+        Access the current user ID.
+
+        Deprecated in favor of a 'user' service.
+        """
+        warnings.warn("Runtime.user_id is deprecated", UserIdDeprecationWarning, stacklevel=2)
+        return self._deprecated_per_instance_user_id
+
+    @user_id.setter
+    def user_id(self, user_id):
+        """
+        Set the current user ID.
+
+        Deprecated in favor of a 'user' service.
+        """
+        warnings.warn("Runtime.user_id is deprecated", UserIdDeprecationWarning, stacklevel=2)
+        self._deprecated_per_instance_user_id = user_id
+
     def load_block_type(self, block_type):
         """
         Returns a subclass of :class:`.XBlock` that corresponds to the specified `block_type`.