Remove stray mentions of backend

Author: GDYendell

src/fastcs/attributes.py

@@ -41,7 +41,7 @@ def __init__(
         self.description = description
 
         # A callback to use when setting the datatype to a different value, for example
-        # changing the units on an int. This should be implemented in the backend.
+        # changing the units on an int.
         self._update_datatype_callbacks: list[Callable[[DataType[T]], None]] = []
 
         # Name to be filled in by Controller when the Attribute is bound

src/fastcs/controller.py

@@ -179,9 +179,9 @@ class Controller(BaseController):
     """Top-level controller for a device.
 
     This is the primary class for implementing device support in FastCS. Instances of
-    this class can be loaded into a backend to access its ``Attribute``s. The backend
-    can then perform a specific function with the set of ``Attributes``, such as
-    generating a UI or creating parameters for a control system.
+    this class can be loaded into a FastCS to expose its ``Attribute``s to the transport
+    layer, which can then perform a specific function with the set of ``Attributes``,
+    such as generating a UI or creating parameters for a control system.
     """
 
     root_attribute: Attribute | None = None

src/fastcs/transport/epics/ca/util.py

@@ -71,7 +71,7 @@ def record_metadata_from_datatype(
         case Waveform():
             if len(datatype.shape) != 1:
                 raise TypeError(
-                    f"Unsupported shape {datatype.shape}, the EPICS backend only "
+                    f"Unsupported shape {datatype.shape}, the EPICS transport only "
                     "supports to 1D arrays"
                 )
             arguments["length"] = datatype.shape[0]

tests/conftest.py

@@ -150,7 +150,7 @@ def run_ioc_as_subprocess(
         if not error_queue.empty():
             raise error_queue.get()
 
-        # close backend caches before the event loop
+        # close ca caches before the event loop
         purge_channel_caches()
 
         error_queue.close()
@@ -224,7 +224,7 @@ def test_controller(tango_system, register_device):
         if time.monotonic() - start_time > timeout:
             raise TimeoutError("Controller did not start in time")
 
-    # close backend caches before the event loop
+    # close ca caches before the event loop
     purge_channel_caches()
 
     # Stop buffer from getting full and blocking the subprocess

tests/transport/epics/pva/test_p4p.py

@@ -71,7 +71,7 @@ async def test_scan_method(p4p_subprocess: tuple[str, Queue]):
     e_values = asyncio.Queue()
 
     # While the scan method will update every 0.1 seconds, it takes around that
-    # time for the p4p backends to update, broadcast, get.
+    # time for the p4p transport to update, broadcast, get.
     latency = 1e8
 
     e_monitor = ctxt.monitor(f"{pv_prefix}:Child1:E", e_values.put)