renamed pre_initialized blocks

src/ophyd_async/epics/pvi/__init__.py

@@ -1,3 +1,3 @@
-from .pvi import PVIEntry, fill_pvi_entries, pre_initialize_blocks
+from .pvi import PVIEntry, create_children_from_annotations, fill_pvi_entries
 
-__all__ = ["PVIEntry", "fill_pvi_entries", "pre_initialize_blocks"]
+__all__ = ["PVIEntry", "fill_pvi_entries", "create_children_from_annotations"]

src/ophyd_async/epics/pvi/pvi.py

@@ -95,14 +95,10 @@ def _verify_common_blocks(entry: PVIEntry, common_device: Type[Device]):
             continue
         assert entry.sub_entries
         device_t, is_optional = _strip_union(sub_device)
-        if sub_name not in entry.sub_entries:
-            if is_optional:
-                continue
-            else:
-                raise RuntimeError(
-                    f"sub device `{sub_name}:{type(sub_device)}` "
-                    "was not provided by pvi"
-                )
+        if sub_name not in entry.sub_entries and not is_optional:
+            raise RuntimeError(
+                f"sub device `{sub_name}:{type(sub_device)}` " "was not provided by pvi"
+            )
         if isinstance(entry.sub_entries[sub_name], dict):
             for sub_sub_entry in entry.sub_entries[sub_name].values():  # type: ignore
                 _verify_common_blocks(sub_sub_entry, sub_device)  # type: ignore
@@ -304,19 +300,15 @@ async def fill_pvi_entries(
     device.set_name(device.name)
 
 
-def pre_initialize_blocks(
-    device: Device, included_optional_fields: Optional[Tuple[str, ...]] = None
+def create_children_from_annotations(
+    device: Device, included_optional_fields: Tuple[str, ...] = ()
 ):
     """For intializing blocks at __init__ of ``device``."""
     for name, device_type in get_type_hints(type(device)).items():
         if name in ("_name", "parent"):
             continue
         device_type, is_optional = _strip_union(device_type)
-        if (
-            is_optional
-            and included_optional_fields
-            and name not in included_optional_fields
-        ):
+        if is_optional and name not in included_optional_fields:
             continue
         is_device_vector, device_type = _strip_device_vector(device_type)
         if (
@@ -328,4 +320,4 @@ def pre_initialize_blocks(
 
         sub_device = device_type()
         setattr(device, name, sub_device)
-        pre_initialize_blocks(sub_device)
+        create_children_from_annotations(sub_device)

src/ophyd_async/panda/_hdf_panda.py

@@ -8,8 +8,7 @@
     SignalR,
     StandardDetector,
 )
-from ophyd_async.epics.pvi import fill_pvi_entries, pre_initialize_blocks
-
+from ophyd_async.epics.pvi import create_children_from_annotations, fill_pvi_entries
 
 from ._common_panda import CommonPandaBlocks
 from ._panda_controller import PandaPcapController
@@ -26,7 +25,7 @@ def __init__(
     ):
         self._prefix = prefix
 
-        pre_initialize_blocks(self)
+        create_children_from_annotations(self)
         controller = PandaPcapController(pcap=self.pcap)
         writer = PandaHDFWriter(
             prefix=prefix,

tests/epics/test_pvi.py

@@ -10,7 +10,7 @@
     SignalRW,
     SignalX,
 )
-from ophyd_async.epics.pvi import fill_pvi_entries, pre_initialize_blocks
+from ophyd_async.epics.pvi import create_children_from_annotations, fill_pvi_entries
 
 
 class Block1(Device):
@@ -97,14 +97,14 @@ async def test_fill_pvi_entries_sim_mode(pvi_test_device_t):
 
 
 @pytest.fixture
-def pvi_test_device_pre_initialize_blocks_t():
+def pvi_test_device_create_children_from_annotations_t():
     """A fixture since pytest discourages init in test case classes"""
 
     class TestDevice(Block3, Device):
         def __init__(self, prefix: str, name: str = ""):
             self._prefix = prefix
             super().__init__(name)
-            pre_initialize_blocks(self)
+            create_children_from_annotations(self)
 
         async def connect(
             self, sim: bool = False, timeout: float = DEFAULT_TIMEOUT
@@ -116,14 +116,16 @@ async def connect(
     yield TestDevice
 
 
-async def test_device_pre_initialize_blocks(pvi_test_device_pre_initialize_blocks_t):
-    device = pvi_test_device_pre_initialize_blocks_t("PREFIX:")
+async def test_device_create_children_from_annotations(
+    pvi_test_device_create_children_from_annotations_t,
+):
+    device = pvi_test_device_create_children_from_annotations_t("PREFIX:")
 
     block_2_device = device.device
     block_1_device = device.device.device
     top_block_1_device = device.signal_device
 
-    # The pre_initialize_blocks has only made blocks,
+    # The create_children_from_annotations has only made blocks,
     # not signals or device vectors
     assert isinstance(block_2_device, Block2)
     assert isinstance(block_1_device, Block1)

tests/panda/test_panda_connect.py

@@ -9,7 +9,7 @@
 from ophyd_async.core import DEFAULT_TIMEOUT, Device, DeviceCollector, DeviceVector
 from ophyd_async.core.utils import NotConnected
 from ophyd_async.epics.pvi import PVIEntry, fill_pvi_entries
-from ophyd_async.epics.pvi.pvi import pre_initialize_blocks
+from ophyd_async.epics.pvi.pvi import create_children_from_annotations
 from ophyd_async.panda import PcapBlock, PulseBlock, SeqBlock, SeqTable, SeqTrigger
 
 
@@ -47,7 +47,7 @@ class CommonPandaBlocksNoData(Device):
     class Panda(CommonPandaBlocksNoData):
         def __init__(self, prefix: str, name: str = ""):
             self._prefix = prefix
-            pre_initialize_blocks(self)
+            create_children_from_annotations(self)
             super().__init__(name)
 
         async def connect(self, sim: bool = False, timeout: float = DEFAULT_TIMEOUT):

tests/panda/test_writer.py

@@ -12,12 +12,12 @@
     StaticDirectoryProvider,
     set_sim_value,
 )
-from ophyd_async.epics.pvi import fill_pvi_entries, pre_initialize_blocks
-from ophyd_async.panda._common_panda import CommonPandaBlocks
-from ophyd_async.panda.writers import PandaHDFWriter
+from ophyd_async.epics.pvi import create_children_from_annotations, fill_pvi_entries
+from ophyd_async.panda import CommonPandaBlocks
 from ophyd_async.panda.writers._hdf_writer import (
     Capture,
     CaptureSignalWrapper,
+    PandaHDFWriter,
     get_capture_signals,
     get_signals_marked_for_capture,
 )
@@ -35,7 +35,7 @@ class Panda(CommonPandaBlocks):
 
         def __init__(self, prefix: str, name: str = ""):
             self._prefix = prefix
-            pre_initialize_blocks(self)
+            create_children_from_annotations(self)
             super().__init__(name)
 
         async def connect(self, sim: bool = False, timeout: float = DEFAULT_TIMEOUT):