Add send_manager collector

Author: MU-Software

runtime/chalicelib/send_manager/__init__.py

@@ -0,0 +1,22 @@
+import pathlib
+import typing
+
+import chalicelib.send_manager.__interface__ as send_mgr_interface
+import chalicelib.util.import_util as import_util
+
+_SendManagerCollectionType = dict[str, send_mgr_interface.SendManagerInterface]
+send_managers: _SendManagerCollectionType = {}
+
+for _path in pathlib.Path(__file__).parent.glob("*.py"):
+    if _path.stem.startswith("__") or not (
+        _patterns := typing.cast(
+            _SendManagerCollectionType,
+            getattr(import_util.load_module(_path), "send_manager_patterns", None),
+        )
+    ):
+        continue
+
+    if _duplicated := send_managers.keys() & _patterns.keys():
+        raise ValueError(f"Send manager {_duplicated} is already registered")
+
+    send_managers.update(_patterns)