Added config property in extension

matrix/extension.py

@@ -1,21 +1,31 @@
 import inspect
 import logging
-from typing import Callable, Optional
+from typing import Callable
 
 from matrix.protocols import BotLike
 from matrix.registry import Registry
+from matrix.config import Config
 from matrix.room import Room
 
 logger = logging.getLogger(__name__)
 
 
 class Extension(Registry):
-    def __init__(self, name: str, prefix: Optional[str] = None) -> None:
+    def __init__(self, name: str, prefix: str | None = None) -> None:
         super().__init__(name, prefix=prefix)
 
-        self.bot: Optional[BotLike] = None
-        self._on_load: Optional[Callable] = None
-        self._on_unload: Optional[Callable] = None
+        self._bot: BotLike | None = None
+        self._on_load: Callable | None = None
+        self._on_unload: Callable | None = None
+
+    @property
+    def bot(self) -> BotLike:
+        assert self._bot, "Extension is not loaded"
+        return self._bot
+
+    @property
+    def config(self) -> Config:
+        return self.bot.config
 
     def get_room(self, room_id: str) -> Room | None:
         """Retrieve a `Room` instance by its Matrix room ID.
@@ -31,12 +41,10 @@ def get_room(self, room_id: str) -> Room | None:
             print(room.name)
         ```
         """
-        if self.bot is None:
-            raise RuntimeError("Extension is not loaded")
         return self.bot.get_room(room_id)
 
     def load(self, bot: BotLike) -> None:
-        self.bot = bot
+        self._bot = bot
 
         if self._on_load:
             self._on_load()
@@ -59,7 +67,7 @@ def setup():
         return func
 
     def unload(self) -> None:
-        self.bot = None
+        self._bot = None
 
         if self._on_unload:
             self._on_unload()

matrix/protocols.py

@@ -1,9 +1,13 @@
 from typing import Protocol
 
+from matrix.config import Config
 from matrix.room import Room
 
 
 class BotLike(Protocol):
     prefix: str | None
 
+    @property
+    def config(self) -> Config: ...
+
     def get_room(self, room_id: str) -> Room | None: ...

tests/test_extension.py

@@ -3,13 +3,18 @@
 from unittest.mock import MagicMock
 from typing import Optional
 
+from matrix.config import Config
 from matrix.extension import Extension
 from matrix.room import Room
 
 
 class MockBot:
     prefix: str = "!"
 
+    @property
+    def config(self) -> Config:
+        return MagicMock(spec=Config)
+
     def __init__(self, room: Optional[Room] = None) -> None:
         self.get_room = MagicMock(return_value=room or MagicMock(spec=Room))
 
@@ -41,7 +46,8 @@ def test_init_with_name_only__expect_prefix_is_none():
 
 
 def test_init__expect_bot_is_none(extension: Extension):
-    assert extension.bot is None
+    with pytest.raises(AssertionError):
+        _ = extension.bot
 
 
 def test_init__expect_on_load_is_none(extension: Extension):
@@ -190,7 +196,8 @@ def test_unload__expect_bot_cleared(extension: Extension, bot: MockBot):
     extension.load(bot)
     extension.unload()
 
-    assert extension.bot is None
+    with pytest.raises(AssertionError):
+        _ = extension.bot
 
 
 def test_unload_with_registered_handler__expect_handler_called(
@@ -217,7 +224,7 @@ def test_unload_with_no_handler__expect_no_error(extension: Extension, bot: Mock
 
 
 def test_get_room_before_load__expect_runtime_error(extension: Extension):
-    with pytest.raises(RuntimeError, match="Extension is not loaded"):
+    with pytest.raises(AssertionError):
         extension.get_room("!room:example.com")
 
 
@@ -241,5 +248,5 @@ def test_get_room_after_unload__expect_runtime_error(
     extension.load(bot)
     extension.unload()
 
-    with pytest.raises(RuntimeError, match="Extension is not loaded"):
+    with pytest.raises(AssertionError):
         extension.get_room("!room:example.com")