Fix mypy context manager typing for adapter subclasses.

Return Self from __enter__ so with-blocks preserve subclass types, and align mypy python_version with the 3.12 runtime target.

Co-authored-by: Cursor <cursoragent@cursor.com>

pyproject.toml

@@ -48,7 +48,7 @@ url = "https://gitea.lille-vemmelund.dk/api/packages/brian/pypi/simple/"
 explicit = true
 
 [tool.mypy]
-python_version = "3.10"
+python_version = "3.12"
 warn_return_any = true  # nudge to use stricter types
 warn_unused_configs = true  # nudge to remove unused configs
 disallow_untyped_defs = true  # disallow untyped function definitions

python_repositories/adapters/minio_adapter.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 import os
 from io import BytesIO
 from importlib.util import find_spec
+from typing import Self
 import structlog
 from python_utils import check_env
 
@@ -49,7 +50,7 @@ class MinioAdapter(
         self._client: minio.Minio | None = None
         self._bucket_name: str | None = None
 
-    def __enter__(self) -> MinioAdapter:
+    def __enter__(self) -> Self:
         """Enter the context."""
         self.connect()
         return self

python_repositories/adapters/redis_adapter.py

@@ -1,7 +1,7 @@
 """Definition of RedisAdapter class."""
 
 from __future__ import annotations
-from typing import cast
+from typing import Self, cast
 from importlib.util import find_spec
 import os
 import structlog
@@ -42,7 +42,7 @@ class RedisAdapter(
         self._client: redis.Redis | None = None
         self.path: str = RedisPath.root_path()
 
-    def __enter__(self) -> RedisAdapter:
+    def __enter__(self) -> Self:
         """Enter the context."""
         self.connect()
         return self

python_repositories/interfaces/context_aware_interface.py

@@ -3,13 +3,14 @@
 from __future__ import annotations
 
 from abc import ABC, abstractmethod
+from typing import Self
 
 
 class ContextAwareInterface(ABC):
     """Interface that defines context-related methods."""
 
     @abstractmethod
-    def __enter__(self) -> ContextAwareInterface:
+    def __enter__(self) -> Self:
         """Enter the context."""
         ...