chore: fix typing due to integer in controller path

Author: shihab-dls

src/fastcs/attributes.py

@@ -74,7 +74,7 @@ def name(self) -> str:
         return self._name
 
     @property
-    def path(self) -> list[str]:
+    def path(self) -> list[int | str]:
         return self._path
 
     def add_update_datatype_callback(
@@ -99,7 +99,7 @@ def set_name(self, name: str):
 
         self._name = name
 
-    def set_path(self, path: list[str]):
+    def set_path(self, path: list[int | str]):
         if self._path:
             raise RuntimeError(
                 f"Attribute is already registered with a controller at {self._path}"
@@ -109,7 +109,7 @@ def set_path(self, path: list[str]):
 
     def __repr__(self):
         name = self.__class__.__name__
-        path = ".".join(self._path + [self._name]) or None
+        path = ".".join([str(node) for node in self._path] + [self._name]) or None
         datatype = self._datatype.__class__.__name__
 
         return f"{name}(path={path}, datatype={datatype}, io_ref={self._io_ref})"

src/fastcs/controller_api.py

@@ -38,9 +38,12 @@ def walk_api(self) -> Iterator["ControllerAPI"]:
             yield from api.walk_api()
 
     def __repr__(self):
-        return f"""\
-ControllerAPI(path={self.path}, sub_apis=[{", ".join(self.sub_apis.keys())}])\
-"""
+        return (
+            f"ControllerAPI("
+            f"path={self.path}, "
+            f"sub_apis=[{', '.join(str(sub_api) for sub_api in self.sub_apis.keys())}]"
+            f")"
+        )
 
     def get_scan_and_initial_coros(
         self,

src/fastcs/transport/epics/util.py

@@ -3,4 +3,6 @@
 
 
 def controller_pv_prefix(prefix: str, controller_api: ControllerAPI) -> str:
-    return ":".join([prefix] + [snake_to_pascal(node) for node in controller_api.path])
+    return ":".join(
+        [prefix] + [snake_to_pascal(str(node)) for node in controller_api.path]
+    )