chore: ruff check - fix flake8-comprensions

invokeai/app/api/events.py

@@ -28,7 +28,7 @@ class FastAPIEventService(EventServiceBase):
         self.__queue.put(None)
 
     def dispatch(self, event_name: str, payload: Any) -> None:
-        self.__queue.put(dict(event_name=event_name, payload=payload))
+        self.__queue.put({"event_name": event_name, "payload": payload})
 
     async def __dispatch_from_queue(self, stop_event: threading.Event):
         """Get events on from the queue and dispatch them, from the correct thread"""

invokeai/app/api/routers/models.py

@@ -55,7 +55,7 @@ async def list_models(
 ) -> ModelsList:
     """Gets a list of models"""
     if base_models and len(base_models) > 0:
-        models_raw = list()
+        models_raw = []
         for base_model in base_models:
             models_raw.extend(ApiDependencies.invoker.services.model_manager.list_models(base_model, model_type))
     else:

invokeai/app/api_app.py

@@ -130,7 +130,7 @@ def custom_openapi() -> dict[str, Any]:
     # Add all outputs
     all_invocations = BaseInvocation.get_invocations()
     output_types = set()
-    output_type_titles = dict()
+    output_type_titles = {}
     for invoker in all_invocations:
         output_type = signature(invoker.invoke).return_annotation
         output_types.add(output_type)
@@ -171,12 +171,12 @@ def custom_openapi() -> dict[str, Any]:
             # print(f"Config with name {name} already defined")
             continue
 
-        openapi_schema["components"]["schemas"][name] = dict(
+        openapi_schema["components"]["schemas"][name] = {
-            title=name,
+            "title": name,
-            description="An enumeration.",
+            "description": "An enumeration.",
-            type="string",
+            "type": "string",
-            enum=list(v.value for v in model_config_format_enum),
+            "enum": [v.value for v in model_config_format_enum],
-        )
+        }
 
     app.openapi_schema = openapi_schema
     return app.openapi_schema

invokeai/app/invocations/__init__.py

@@ -25,4 +25,4 @@ spec.loader.exec_module(module)
 
 # add core nodes to __all__
 python_files = filter(lambda f: not f.name.startswith("_"), Path(__file__).parent.glob("*.py"))
-__all__ = list(f.stem for f in python_files)  # type: ignore
+__all__ = [f.stem for f in python_files]  # type: ignore

invokeai/app/invocations/baseinvocation.py

@@ -236,35 +236,35 @@ def InputField(
       Ignored for non-collection fields.
     """
 
-    json_schema_extra_: dict[str, Any] = dict(
+    json_schema_extra_: dict[str, Any] = {
-        input=input,
+        "input": input,
-        ui_type=ui_type,
+        "ui_type": ui_type,
-        ui_component=ui_component,
+        "ui_component": ui_component,
-        ui_hidden=ui_hidden,
+        "ui_hidden": ui_hidden,
-        ui_order=ui_order,
+        "ui_order": ui_order,
-        item_default=item_default,
+        "item_default": item_default,
-        ui_choice_labels=ui_choice_labels,
+        "ui_choice_labels": ui_choice_labels,
-        _field_kind="input",
+        "_field_kind": "input",
-    )
+    }
 
-    field_args = dict(
+    field_args = {
-        default=default,
+        "default": default,
-        default_factory=default_factory,
+        "default_factory": default_factory,
-        title=title,
+        "title": title,
-        description=description,
+        "description": description,
-        pattern=pattern,
+        "pattern": pattern,
-        strict=strict,
+        "strict": strict,
-        gt=gt,
+        "gt": gt,
-        ge=ge,
+        "ge": ge,
-        lt=lt,
+        "lt": lt,
-        le=le,
+        "le": le,
-        multiple_of=multiple_of,
+        "multiple_of": multiple_of,
-        allow_inf_nan=allow_inf_nan,
+        "allow_inf_nan": allow_inf_nan,
-        max_digits=max_digits,
+        "max_digits": max_digits,
-        decimal_places=decimal_places,
+        "decimal_places": decimal_places,
-        min_length=min_length,
+        "min_length": min_length,
-        max_length=max_length,
+        "max_length": max_length,
-    )
+    }
 
     """
     Invocation definitions have their fields typed correctly for their `invoke()` functions.
@@ -299,24 +299,24 @@ def InputField(
 
     # because we are manually making fields optional, we need to store the original required bool for reference later
     if default is PydanticUndefined and default_factory is PydanticUndefined:
-        json_schema_extra_.update(dict(orig_required=True))
+        json_schema_extra_.update({"orig_required": True})
     else:
-        json_schema_extra_.update(dict(orig_required=False))
+        json_schema_extra_.update({"orig_required": False})
 
     # make Input.Any and Input.Connection fields optional, providing None as a default if the field doesn't already have one
     if (input is Input.Any or input is Input.Connection) and default_factory is PydanticUndefined:
         default_ = None if default is PydanticUndefined else default
-        provided_args.update(dict(default=default_))
+        provided_args.update({"default": default_})
         if default is not PydanticUndefined:
             # before invoking, we'll grab the original default value and set it on the field if the field wasn't provided a value
-            json_schema_extra_.update(dict(default=default))
+            json_schema_extra_.update({"default": default})
-            json_schema_extra_.update(dict(orig_default=default))
+            json_schema_extra_.update({"orig_default": default})
     elif default is not PydanticUndefined and default_factory is PydanticUndefined:
         default_ = default
-        provided_args.update(dict(default=default_))
+        provided_args.update({"default": default_})
-        json_schema_extra_.update(dict(orig_default=default_))
+        json_schema_extra_.update({"orig_default": default_})
     elif default_factory is not PydanticUndefined:
-        provided_args.update(dict(default_factory=default_factory))
+        provided_args.update({"default_factory": default_factory})
         # TODO: cannot serialize default_factory...
         # json_schema_extra_.update(dict(orig_default_factory=default_factory))
 
@@ -383,12 +383,12 @@ def OutputField(
         decimal_places=decimal_places,
         min_length=min_length,
         max_length=max_length,
-        json_schema_extra=dict(
+        json_schema_extra={
-            ui_type=ui_type,
+            "ui_type": ui_type,
-            ui_hidden=ui_hidden,
+            "ui_hidden": ui_hidden,
-            ui_order=ui_order,
+            "ui_order": ui_order,
-            _field_kind="output",
+            "_field_kind": "output",
-        ),
+        },
     )
 
 
@@ -460,14 +460,14 @@ class BaseInvocationOutput(BaseModel):
 
     @classmethod
     def get_output_types(cls) -> Iterable[str]:
-        return map(lambda i: get_type(i), BaseInvocationOutput.get_outputs())
+        return (get_type(i) for i in BaseInvocationOutput.get_outputs())
 
     @staticmethod
     def json_schema_extra(schema: dict[str, Any], model_class: Type[BaseModel]) -> None:
         # Because we use a pydantic Literal field with default value for the invocation type,
         # it will be typed as optional in the OpenAPI schema. Make it required manually.
         if "required" not in schema or not isinstance(schema["required"], list):
-            schema["required"] = list()
+            schema["required"] = []
         schema["required"].extend(["type"])
 
     model_config = ConfigDict(
@@ -527,16 +527,11 @@ class BaseInvocation(ABC, BaseModel):
     @classmethod
     def get_invocations_map(cls) -> dict[str, BaseInvocation]:
         # Get the type strings out of the literals and into a dictionary
-        return dict(
+        return {get_type(i): i for i in BaseInvocation.get_invocations()}
-            map(
-                lambda i: (get_type(i), i),
-                BaseInvocation.get_invocations(),
-            )
-        )
 
     @classmethod
     def get_invocation_types(cls) -> Iterable[str]:
-        return map(lambda i: get_type(i), BaseInvocation.get_invocations())
+        return (get_type(i) for i in BaseInvocation.get_invocations())
 
     @classmethod
     def get_output_type(cls) -> BaseInvocationOutput:
@@ -555,7 +550,7 @@ class BaseInvocation(ABC, BaseModel):
         if uiconfig and hasattr(uiconfig, "version"):
             schema["version"] = uiconfig.version
         if "required" not in schema or not isinstance(schema["required"], list):
-            schema["required"] = list()
+            schema["required"] = []
         schema["required"].extend(["type", "id"])
 
     @abstractmethod
@@ -609,15 +604,15 @@ class BaseInvocation(ABC, BaseModel):
     id: str = Field(
         default_factory=uuid_string,
         description="The id of this instance of an invocation. Must be unique among all instances of invocations.",
-        json_schema_extra=dict(_field_kind="internal"),
+        json_schema_extra={"_field_kind": "internal"},
     )
     is_intermediate: bool = Field(
         default=False,
         description="Whether or not this is an intermediate invocation.",
-        json_schema_extra=dict(ui_type=UIType.IsIntermediate, _field_kind="internal"),
+        json_schema_extra={"ui_type": UIType.IsIntermediate, "_field_kind": "internal"},
     )
     use_cache: bool = Field(
-        default=True, description="Whether or not to use the cache", json_schema_extra=dict(_field_kind="internal")
+        default=True, description="Whether or not to use the cache", json_schema_extra={"_field_kind": "internal"}
     )
 
     UIConfig: ClassVar[Type[UIConfigBase]]
@@ -651,7 +646,7 @@ class _Model(BaseModel):
 
 
 # Get all pydantic model attrs, methods, etc
-RESERVED_PYDANTIC_FIELD_NAMES = set(map(lambda m: m[0], inspect.getmembers(_Model())))
+RESERVED_PYDANTIC_FIELD_NAMES = {m[0] for m in inspect.getmembers(_Model())}
 
 
 def validate_fields(model_fields: dict[str, FieldInfo], model_type: str) -> None:
@@ -729,7 +724,7 @@ def invocation(
         # Add OpenAPI schema extras
         uiconf_name = cls.__qualname__ + ".UIConfig"
         if not hasattr(cls, "UIConfig") or cls.UIConfig.__qualname__ != uiconf_name:
-            cls.UIConfig = type(uiconf_name, (UIConfigBase,), dict())
+            cls.UIConfig = type(uiconf_name, (UIConfigBase,), {})
         if title is not None:
             cls.UIConfig.title = title
         if tags is not None:
@@ -756,7 +751,7 @@ def invocation(
 
         invocation_type_annotation = Literal[invocation_type]  # type: ignore
         invocation_type_field = Field(
-            title="type", default=invocation_type, json_schema_extra=dict(_field_kind="internal")
+            title="type", default=invocation_type, json_schema_extra={"_field_kind": "internal"}
         )
 
         docstring = cls.__doc__
@@ -802,7 +797,7 @@ def invocation_output(
         # Add the output type to the model.
 
         output_type_annotation = Literal[output_type]  # type: ignore
-        output_type_field = Field(title="type", default=output_type, json_schema_extra=dict(_field_kind="internal"))
+        output_type_field = Field(title="type", default=output_type, json_schema_extra={"_field_kind": "internal"})
 
         docstring = cls.__doc__
         cls = create_model(
@@ -834,7 +829,7 @@ WorkflowFieldValidator = TypeAdapter(WorkflowField)
 
 class WithWorkflow(BaseModel):
     workflow: Optional[WorkflowField] = Field(
-        default=None, description=FieldDescriptions.workflow, json_schema_extra=dict(_field_kind="internal")
+        default=None, description=FieldDescriptions.workflow, json_schema_extra={"_field_kind": "internal"}
     )
 
 
@@ -852,5 +847,5 @@ MetadataFieldValidator = TypeAdapter(MetadataField)
 
 class WithMetadata(BaseModel):
     metadata: Optional[MetadataField] = Field(
-        default=None, description=FieldDescriptions.metadata, json_schema_extra=dict(_field_kind="internal")
+        default=None, description=FieldDescriptions.metadata, json_schema_extra={"_field_kind": "internal"}
     )

invokeai/app/invocations/facetools.py

@@ -131,7 +131,7 @@ def prepare_faces_list(
     deduped_faces: list[FaceResultData] = []
 
     if len(face_result_list) == 0:
-        return list()
+        return []
 
     for candidate in face_result_list:
         should_add = True

invokeai/app/invocations/latent.py

@@ -77,7 +77,7 @@ if choose_torch_device() == torch.device("mps"):
 
 DEFAULT_PRECISION = choose_precision(choose_torch_device())
 
-SAMPLER_NAME_VALUES = Literal[tuple(list(SCHEDULER_MAP.keys()))]
+SAMPLER_NAME_VALUES = Literal[tuple(SCHEDULER_MAP.keys())]
 
 
 @invocation_output("scheduler_output")

invokeai/app/invocations/math.py

@@ -145,17 +145,17 @@ INTEGER_OPERATIONS = Literal[
 ]
 
 
-INTEGER_OPERATIONS_LABELS = dict(
+INTEGER_OPERATIONS_LABELS = {
-    ADD="Add A+B",
+    "ADD": "Add A+B",
-    SUB="Subtract A-B",
+    "SUB": "Subtract A-B",
-    MUL="Multiply A*B",
+    "MUL": "Multiply A*B",
-    DIV="Divide A/B",
+    "DIV": "Divide A/B",
-    EXP="Exponentiate A^B",
+    "EXP": "Exponentiate A^B",
-    MOD="Modulus A%B",
+    "MOD": "Modulus A%B",
-    ABS="Absolute Value of A",
+    "ABS": "Absolute Value of A",
-    MIN="Minimum(A,B)",
+    "MIN": "Minimum(A,B)",
-    MAX="Maximum(A,B)",
+    "MAX": "Maximum(A,B)",
-)
+}
 
 
 @invocation(
@@ -231,17 +231,17 @@ FLOAT_OPERATIONS = Literal[
 ]
 
 
-FLOAT_OPERATIONS_LABELS = dict(
+FLOAT_OPERATIONS_LABELS = {
-    ADD="Add A+B",
+    "ADD": "Add A+B",
-    SUB="Subtract A-B",
+    "SUB": "Subtract A-B",
-    MUL="Multiply A*B",
+    "MUL": "Multiply A*B",
-    DIV="Divide A/B",
+    "DIV": "Divide A/B",
-    EXP="Exponentiate A^B",
+    "EXP": "Exponentiate A^B",
-    ABS="Absolute Value of A",
+    "ABS": "Absolute Value of A",
-    SQRT="Square Root of A",
+    "SQRT": "Square Root of A",
-    MIN="Minimum(A,B)",
+    "MIN": "Minimum(A,B)",
-    MAX="Maximum(A,B)",
+    "MAX": "Maximum(A,B)",
-)
+}
 
 
 @invocation(

invokeai/app/invocations/onnx.py

@@ -54,7 +54,7 @@ ORT_TO_NP_TYPE = {
     "tensor(double)": np.float64,
 }
 
-PRECISION_VALUES = Literal[tuple(list(ORT_TO_NP_TYPE.keys()))]
+PRECISION_VALUES = Literal[tuple(ORT_TO_NP_TYPE.keys())]
 
 
 @invocation("prompt_onnx", title="ONNX Prompt (Raw)", tags=["prompt", "onnx"], category="conditioning", version="1.0.0")
@@ -252,7 +252,7 @@ class ONNXTextToLatentsInvocation(BaseInvocation):
         scheduler.set_timesteps(self.steps)
         latents = latents * np.float64(scheduler.init_noise_sigma)
 
-        extra_step_kwargs = dict()
+        extra_step_kwargs = {}
         if "eta" in set(inspect.signature(scheduler.step).parameters.keys()):
             extra_step_kwargs.update(
                 eta=0.0,

invokeai/app/invocations/param_easing.py

@@ -100,7 +100,7 @@ EASING_FUNCTIONS_MAP = {
     "BounceInOut": BounceEaseInOut,
 }
 
-EASING_FUNCTION_KEYS = Literal[tuple(list(EASING_FUNCTIONS_MAP.keys()))]
+EASING_FUNCTION_KEYS = Literal[tuple(EASING_FUNCTIONS_MAP.keys())]
 
 
 # actually I think for now could just use CollectionOutput (which is list[Any]
@@ -161,7 +161,7 @@ class StepParamEasingInvocation(BaseInvocation):
         easing_class = EASING_FUNCTIONS_MAP[self.easing]
         if log_diagnostics:
             context.services.logger.debug("easing class: " + str(easing_class))
-        easing_list = list()
+        easing_list = []
         if self.mirror:  # "expected" mirroring
             # if number of steps is even, squeeze duration down to (number_of_steps)/2
             # and create reverse copy of list to append
@@ -178,7 +178,7 @@ class StepParamEasingInvocation(BaseInvocation):
                 end=self.end_value,
                 duration=base_easing_duration - 1,
             )
-            base_easing_vals = list()
+            base_easing_vals = []
             for step_index in range(base_easing_duration):
                 easing_val = easing_function.ease(step_index)
                 base_easing_vals.append(easing_val)

invokeai/app/services/board_image_records/board_image_records_sqlite.py

@@ -139,7 +139,7 @@ class SqliteBoardImageRecordStorage(BoardImageRecordStorageBase):
                 (board_id,),
             )
             result = cast(list[sqlite3.Row], self._cursor.fetchall())
-            images = list(map(lambda r: deserialize_image_record(dict(r)), result))
+            images = [deserialize_image_record(dict(r)) for r in result]
 
             self._cursor.execute(
                 """--sql
@@ -167,7 +167,7 @@ class SqliteBoardImageRecordStorage(BoardImageRecordStorageBase):
                 (board_id,),
             )
             result = cast(list[sqlite3.Row], self._cursor.fetchall())
-            image_names = list(map(lambda r: r[0], result))
+            image_names = [r[0] for r in result]
             return image_names
         except sqlite3.Error as e:
             self._conn.rollback()

invokeai/app/services/board_records/board_records_sqlite.py

@@ -199,7 +199,7 @@ class SqliteBoardRecordStorage(BoardRecordStorageBase):
             )
 
             result = cast(list[sqlite3.Row], self._cursor.fetchall())
-            boards = list(map(lambda r: deserialize_board_record(dict(r)), result))
+            boards = [deserialize_board_record(dict(r)) for r in result]
 
             # Get the total number of boards
             self._cursor.execute(
@@ -236,7 +236,7 @@ class SqliteBoardRecordStorage(BoardRecordStorageBase):
             )
 
             result = cast(list[sqlite3.Row], self._cursor.fetchall())
-            boards = list(map(lambda r: deserialize_board_record(dict(r)), result))
+            boards = [deserialize_board_record(dict(r)) for r in result]
 
             return boards
 

invokeai/app/services/config/config_base.py

@@ -55,7 +55,7 @@ class InvokeAISettings(BaseSettings):
         """
         cls = self.__class__
         type = get_args(get_type_hints(cls)["type"])[0]
-        field_dict = dict({type: dict()})
+        field_dict = {type: {}}
         for name, field in self.model_fields.items():
             if name in cls._excluded_from_yaml():
                 continue
@@ -64,7 +64,7 @@ class InvokeAISettings(BaseSettings):
             )
             value = getattr(self, name)
             if category not in field_dict[type]:
-                field_dict[type][category] = dict()
+                field_dict[type][category] = {}
             # keep paths as strings to make it easier to read
             field_dict[type][category][name] = str(value) if isinstance(value, Path) else value
         conf = OmegaConf.create(field_dict)
@@ -89,7 +89,7 @@ class InvokeAISettings(BaseSettings):
         # create an upcase version of the environment in
         # order to achieve case-insensitive environment
         # variables (the way Windows does)
-        upcase_environ = dict()
+        upcase_environ = {}
         for key, value in os.environ.items():
             upcase_environ[key.upper()] = value
 

invokeai/app/services/config/config_default.py

@@ -188,18 +188,18 @@ DEFAULT_MAX_VRAM = 0.5
 
 
 class Categories(object):
-    WebServer = dict(category="Web Server")
+    WebServer = {"category": "Web Server"}
-    Features = dict(category="Features")
+    Features = {"category": "Features"}
-    Paths = dict(category="Paths")
+    Paths = {"category": "Paths"}
-    Logging = dict(category="Logging")
+    Logging = {"category": "Logging"}
-    Development = dict(category="Development")
+    Development = {"category": "Development"}
-    Other = dict(category="Other")
+    Other = {"category": "Other"}
-    ModelCache = dict(category="Model Cache")
+    ModelCache = {"category": "Model Cache"}
-    Device = dict(category="Device")
+    Device = {"category": "Device"}
-    Generation = dict(category="Generation")
+    Generation = {"category": "Generation"}
-    Queue = dict(category="Queue")
+    Queue = {"category": "Queue"}
-    Nodes = dict(category="Nodes")
+    Nodes = {"category": "Nodes"}
-    MemoryPerformance = dict(category="Memory/Performance")
+    MemoryPerformance = {"category": "Memory/Performance"}
 
 
 class InvokeAIAppConfig(InvokeAISettings):
@@ -482,7 +482,7 @@ def _find_root() -> Path:
     venv = Path(os.environ.get("VIRTUAL_ENV") or ".")
     if os.environ.get("INVOKEAI_ROOT"):
         root = Path(os.environ["INVOKEAI_ROOT"])
-    elif any([(venv.parent / x).exists() for x in [INIT_FILE, LEGACY_INIT_FILE]]):
+    elif any((venv.parent / x).exists() for x in [INIT_FILE, LEGACY_INIT_FILE]):
         root = (venv.parent).resolve()
     else:
         root = Path("~/invokeai").expanduser().resolve()

invokeai/app/services/events/events_base.py

@@ -27,7 +27,7 @@ class EventServiceBase:
         payload["timestamp"] = get_timestamp()
         self.dispatch(
             event_name=EventServiceBase.queue_event,
-            payload=dict(event=event_name, data=payload),
+            payload={"event": event_name, "data": payload},
         )
 
     # Define events here for every event in the system.
@@ -48,18 +48,18 @@ class EventServiceBase:
         """Emitted when there is generation progress"""
         self.__emit_queue_event(
             event_name="generator_progress",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-                node_id=node.get("id"),
+                "node_id": node.get("id"),
-                source_node_id=source_node_id,
+                "source_node_id": source_node_id,
-                progress_image=progress_image.model_dump() if progress_image is not None else None,
+                "progress_image": progress_image.model_dump() if progress_image is not None else None,
-                step=step,
+                "step": step,
-                order=order,
+                "order": order,
-                total_steps=total_steps,
+                "total_steps": total_steps,
-            ),
+            },
         )
 
     def emit_invocation_complete(
@@ -75,15 +75,15 @@ class EventServiceBase:
         """Emitted when an invocation has completed"""
         self.__emit_queue_event(
             event_name="invocation_complete",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-                node=node,
+                "node": node,
-                source_node_id=source_node_id,
+                "source_node_id": source_node_id,
-                result=result,
+                "result": result,
-            ),
+            },
         )
 
     def emit_invocation_error(
@@ -100,16 +100,16 @@ class EventServiceBase:
         """Emitted when an invocation has completed"""
         self.__emit_queue_event(
             event_name="invocation_error",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-                node=node,
+                "node": node,
-                source_node_id=source_node_id,
+                "source_node_id": source_node_id,
-                error_type=error_type,
+                "error_type": error_type,
-                error=error,
+                "error": error,
-            ),
+            },
         )
 
     def emit_invocation_started(
@@ -124,14 +124,14 @@ class EventServiceBase:
         """Emitted when an invocation has started"""
         self.__emit_queue_event(
             event_name="invocation_started",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-                node=node,
+                "node": node,
-                source_node_id=source_node_id,
+                "source_node_id": source_node_id,
-            ),
+            },
         )
 
     def emit_graph_execution_complete(
@@ -140,12 +140,12 @@ class EventServiceBase:
         """Emitted when a session has completed all invocations"""
         self.__emit_queue_event(
             event_name="graph_execution_state_complete",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-            ),
+            },
         )
 
     def emit_model_load_started(
@@ -162,16 +162,16 @@ class EventServiceBase:
         """Emitted when a model is requested"""
         self.__emit_queue_event(
             event_name="model_load_started",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-                model_name=model_name,
+                "model_name": model_name,
-                base_model=base_model,
+                "base_model": base_model,
-                model_type=model_type,
+                "model_type": model_type,
-                submodel=submodel,
+                "submodel": submodel,
-            ),
+            },
         )
 
     def emit_model_load_completed(
@@ -189,19 +189,19 @@ class EventServiceBase:
         """Emitted when a model is correctly loaded (returns model info)"""
         self.__emit_queue_event(
             event_name="model_load_completed",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-                model_name=model_name,
+                "model_name": model_name,
-                base_model=base_model,
+                "base_model": base_model,
-                model_type=model_type,
+                "model_type": model_type,
-                submodel=submodel,
+                "submodel": submodel,
-                hash=model_info.hash,
+                "hash": model_info.hash,
-                location=str(model_info.location),
+                "location": str(model_info.location),
-                precision=str(model_info.precision),
+                "precision": str(model_info.precision),
-            ),
+            },
         )
 
     def emit_session_retrieval_error(
@@ -216,14 +216,14 @@ class EventServiceBase:
         """Emitted when session retrieval fails"""
         self.__emit_queue_event(
             event_name="session_retrieval_error",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-                error_type=error_type,
+                "error_type": error_type,
-                error=error,
+                "error": error,
-            ),
+            },
         )
 
     def emit_invocation_retrieval_error(
@@ -239,15 +239,15 @@ class EventServiceBase:
         """Emitted when invocation retrieval fails"""
         self.__emit_queue_event(
             event_name="invocation_retrieval_error",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-                node_id=node_id,
+                "node_id": node_id,
-                error_type=error_type,
+                "error_type": error_type,
-                error=error,
+                "error": error,
-            ),
+            },
         )
 
     def emit_session_canceled(
@@ -260,12 +260,12 @@ class EventServiceBase:
         """Emitted when a session is canceled"""
         self.__emit_queue_event(
             event_name="session_canceled",
-            payload=dict(
+            payload={
-                queue_id=queue_id,
+                "queue_id": queue_id,
-                queue_item_id=queue_item_id,
+                "queue_item_id": queue_item_id,
-                queue_batch_id=queue_batch_id,
+                "queue_batch_id": queue_batch_id,
-                graph_execution_state_id=graph_execution_state_id,
+                "graph_execution_state_id": graph_execution_state_id,
-            ),
+            },
         )
 
     def emit_queue_item_status_changed(
@@ -277,39 +277,39 @@ class EventServiceBase:
         """Emitted when a queue item's status changes"""
         self.__emit_queue_event(
             event_name="queue_item_status_changed",
-            payload=dict(
+            payload={
-                queue_id=queue_status.queue_id,
+                "queue_id": queue_status.queue_id,
-                queue_item=dict(
+                "queue_item": {
-                    queue_id=session_queue_item.queue_id,
+                    "queue_id": session_queue_item.queue_id,
-                    item_id=session_queue_item.item_id,
+                    "item_id": session_queue_item.item_id,
-                    status=session_queue_item.status,
+                    "status": session_queue_item.status,
-                    batch_id=session_queue_item.batch_id,
+                    "batch_id": session_queue_item.batch_id,
-                    session_id=session_queue_item.session_id,
+                    "session_id": session_queue_item.session_id,
-                    error=session_queue_item.error,
+                    "error": session_queue_item.error,
-                    created_at=str(session_queue_item.created_at) if session_queue_item.created_at else None,
+                    "created_at": str(session_queue_item.created_at) if session_queue_item.created_at else None,
-                    updated_at=str(session_queue_item.updated_at) if session_queue_item.updated_at else None,
+                    "updated_at": str(session_queue_item.updated_at) if session_queue_item.updated_at else None,
-                    started_at=str(session_queue_item.started_at) if session_queue_item.started_at else None,
+                    "started_at": str(session_queue_item.started_at) if session_queue_item.started_at else None,
-                    completed_at=str(session_queue_item.completed_at) if session_queue_item.completed_at else None,
+                    "completed_at": str(session_queue_item.completed_at) if session_queue_item.completed_at else None,
-                ),
+                },
-                batch_status=batch_status.model_dump(),
+                "batch_status": batch_status.model_dump(),
-                queue_status=queue_status.model_dump(),
+                "queue_status": queue_status.model_dump(),
-            ),
+            },
         )
 
     def emit_batch_enqueued(self, enqueue_result: EnqueueBatchResult) -> None:
         """Emitted when a batch is enqueued"""
         self.__emit_queue_event(
             event_name="batch_enqueued",
-            payload=dict(
+            payload={
-                queue_id=enqueue_result.queue_id,
+                "queue_id": enqueue_result.queue_id,
-                batch_id=enqueue_result.batch.batch_id,
+                "batch_id": enqueue_result.batch.batch_id,
-                enqueued=enqueue_result.enqueued,
+                "enqueued": enqueue_result.enqueued,
-            ),
+            },
         )
 
     def emit_queue_cleared(self, queue_id: str) -> None:
         """Emitted when the queue is cleared"""
         self.__emit_queue_event(
             event_name="queue_cleared",
-            payload=dict(queue_id=queue_id),
+            payload={"queue_id": queue_id},
         )

invokeai/app/services/image_files/image_files_disk.py

@@ -25,7 +25,7 @@ class DiskImageFileStorage(ImageFileStorageBase):
     __invoker: Invoker
 
     def __init__(self, output_folder: Union[str, Path]):
-        self.__cache = dict()
+        self.__cache = {}
         self.__cache_ids = Queue()
         self.__max_cache_size = 10  # TODO: get this from config
 

invokeai/app/services/image_records/image_records_common.py

@@ -90,10 +90,7 @@ class ImageRecordDeleteException(Exception):
 
 
 IMAGE_DTO_COLS = ", ".join(
-    list(
+    ["images." + c for c in [
-        map(
-            lambda c: "images." + c,
-            [
                 "image_name",
                 "image_origin",
                 "image_category",
@@ -106,9 +103,7 @@ IMAGE_DTO_COLS = ", ".join(
                 "updated_at",
                 "deleted_at",
                 "starred",
-            ],
+            ]]
-        )
-    )
 )
 
 

invokeai/app/services/image_records/image_records_sqlite.py

@@ -263,7 +263,7 @@ class SqliteImageRecordStorage(ImageRecordStorageBase):
 
             if categories is not None:
                 # Convert the enum values to unique list of strings
-                category_strings = list(map(lambda c: c.value, set(categories)))
+                category_strings = [c.value for c in set(categories)]
                 # Create the correct length of placeholders
                 placeholders = ",".join("?" * len(category_strings))
 
@@ -307,7 +307,7 @@ class SqliteImageRecordStorage(ImageRecordStorageBase):
             # Build the list of images, deserializing each row
             self._cursor.execute(images_query, images_params)
             result = cast(list[sqlite3.Row], self._cursor.fetchall())
-            images = list(map(lambda r: deserialize_image_record(dict(r)), result))
+            images = [deserialize_image_record(dict(r)) for r in result]
 
             # Set up and execute the count query, without pagination
             count_query += query_conditions + ";"
@@ -386,7 +386,7 @@ class SqliteImageRecordStorage(ImageRecordStorageBase):
                 """
             )
             result = cast(list[sqlite3.Row], self._cursor.fetchall())
-            image_names = list(map(lambda r: r[0], result))
+            image_names = [r[0] for r in result]
             self._cursor.execute(
                 """--sql
                 DELETE FROM images

invokeai/app/services/images/images_base.py

@@ -21,8 +21,8 @@ class ImageServiceABC(ABC):
     _on_deleted_callbacks: list[Callable[[str], None]]
 
     def __init__(self) -> None:
-        self._on_changed_callbacks = list()
+        self._on_changed_callbacks = []
-        self._on_deleted_callbacks = list()
+        self._on_deleted_callbacks = []
 
     def on_changed(self, on_changed: Callable[[ImageDTO], None]) -> None:
         """Register a callback for when an image is changed"""

invokeai/app/services/images/images_default.py

@@ -217,18 +217,13 @@ class ImageService(ImageServiceABC):
                 board_id,
             )
 
-            image_dtos = list(
+            image_dtos = [image_record_to_dto(
-                map(
-                    lambda r: image_record_to_dto(
                         image_record=r,
                         image_url=self.__invoker.services.urls.get_image_url(r.image_name),
                         thumbnail_url=self.__invoker.services.urls.get_image_url(r.image_name, True),
                         board_id=self.__invoker.services.board_image_records.get_board_for_image(r.image_name),
                         workflow_id=self.__invoker.services.workflow_image_records.get_workflow_for_image(r.image_name),
-                    ),
+                    ) for r in results.items]
-                    results.items,
-                )
-            )
 
             return OffsetPaginatedResults[ImageDTO](
                 items=image_dtos,

invokeai/app/services/invocation_processor/invocation_processor_default.py

@@ -26,7 +26,7 @@ class DefaultInvocationProcessor(InvocationProcessorABC):
         self.__invoker_thread = Thread(
             name="invoker_processor",
             target=self.__process,
-            kwargs=dict(stop_event=self.__stop_event),
+            kwargs={"stop_event": self.__stop_event},
         )
         self.__invoker_thread.daemon = True  # TODO: make async and do not use threads
         self.__invoker_thread.start()

invokeai/app/services/invocation_queue/invocation_queue_memory.py

@@ -14,7 +14,7 @@ class MemoryInvocationQueue(InvocationQueueABC):
 
     def __init__(self):
         self.__queue = Queue()
-        self.__cancellations = dict()
+        self.__cancellations = {}
 
     def get(self) -> InvocationQueueItem:
         item = self.__queue.get()

invokeai/app/services/invocation_stats/invocation_stats_default.py

@@ -142,7 +142,7 @@ class InvocationStatsService(InvocationStatsServiceBase):
             cache_stats = self._cache_stats[graph_id]
             hwm = cache_stats.high_watermark / GIG
             tot = cache_stats.cache_size / GIG
-            loaded = sum([v for v in cache_stats.loaded_model_sizes.values()]) / GIG
+            loaded = sum(list(cache_stats.loaded_model_sizes.values())) / GIG
 
             logger.info(f"TOTAL GRAPH EXECUTION TIME:  {total_time:7.3f}s")
             logger.info("RAM used by InvokeAI process: " + "%4.2fG" % self.ram_used + f" ({self.ram_changed:+5.3f}G)")

invokeai/app/services/item_storage/item_storage_base.py

@@ -15,8 +15,8 @@ class ItemStorageABC(ABC, Generic[T]):
     _on_deleted_callbacks: list[Callable[[str], None]]
 
     def __init__(self) -> None:
-        self._on_changed_callbacks = list()
+        self._on_changed_callbacks = []
-        self._on_deleted_callbacks = list()
+        self._on_deleted_callbacks = []
 
     """Base item storage class"""
 

invokeai/app/services/item_storage/item_storage_sqlite.py

@@ -112,7 +112,7 @@ class SqliteItemStorage(ItemStorageABC, Generic[T]):
             )
             result = self._cursor.fetchall()
 
-            items = list(map(lambda r: self._parse_item(r[0]), result))
+            items = [self._parse_item(r[0]) for r in result]
 
             self._cursor.execute(f"""SELECT count(*) FROM {self._table_name};""")
             count = self._cursor.fetchone()[0]
@@ -132,7 +132,7 @@ class SqliteItemStorage(ItemStorageABC, Generic[T]):
             )
             result = self._cursor.fetchall()
 
-            items = list(map(lambda r: self._parse_item(r[0]), result))
+            items = [self._parse_item(r[0]) for r in result]
 
             self._cursor.execute(
                 f"""SELECT count(*) FROM {self._table_name} WHERE item LIKE ?;""",

invokeai/app/services/latents_storage/latents_storage_base.py

@@ -13,8 +13,8 @@ class LatentsStorageBase(ABC):
     _on_deleted_callbacks: list[Callable[[str], None]]
 
     def __init__(self) -> None:
-        self._on_changed_callbacks = list()
+        self._on_changed_callbacks = []
-        self._on_deleted_callbacks = list()
+        self._on_deleted_callbacks = []
 
     @abstractmethod
     def get(self, name: str) -> torch.Tensor:

invokeai/app/services/latents_storage/latents_storage_forward_cache.py

@@ -19,7 +19,7 @@ class ForwardCacheLatentsStorage(LatentsStorageBase):
     def __init__(self, underlying_storage: LatentsStorageBase, max_cache_size: int = 20):
         super().__init__()
         self.__underlying_storage = underlying_storage
-        self.__cache = dict()
+        self.__cache = {}
         self.__cache_ids = Queue()
         self.__max_cache_size = max_cache_size
 

invokeai/app/services/session_processor/session_processor_default.py

@@ -33,9 +33,9 @@ class DefaultSessionProcessor(SessionProcessorBase):
         self.__thread = Thread(
             name="session_processor",
             target=self.__process,
-            kwargs=dict(
+            kwargs={
-                stop_event=self.__stop_event, poll_now_event=self.__poll_now_event, resume_event=self.__resume_event
+                "stop_event": self.__stop_event, "poll_now_event": self.__poll_now_event, "resume_event": self.__resume_event
-            ),
+            },
         )
         self.__thread.start()
 

invokeai/app/services/session_queue/session_queue_common.py

@@ -129,12 +129,12 @@ class Batch(BaseModel):
         return v
 
     model_config = ConfigDict(
-        json_schema_extra=dict(
+        json_schema_extra={
-            required=[
+            "required": [
                 "graph",
                 "runs",
             ]
-        )
+        }
     )
 
 
@@ -191,8 +191,8 @@ class SessionQueueItemWithoutGraph(BaseModel):
         return SessionQueueItemDTO(**queue_item_dict)
 
     model_config = ConfigDict(
-        json_schema_extra=dict(
+        json_schema_extra={
-            required=[
+            "required": [
                 "item_id",
                 "status",
                 "batch_id",
@@ -203,7 +203,7 @@ class SessionQueueItemWithoutGraph(BaseModel):
                 "created_at",
                 "updated_at",
             ]
-        )
+        }
     )
 
 
@@ -222,8 +222,8 @@ class SessionQueueItem(SessionQueueItemWithoutGraph):
         return SessionQueueItem(**queue_item_dict)
 
     model_config = ConfigDict(
-        json_schema_extra=dict(
+        json_schema_extra={
-            required=[
+            "required": [
                 "item_id",
                 "status",
                 "batch_id",
@@ -235,7 +235,7 @@ class SessionQueueItem(SessionQueueItemWithoutGraph):
                 "created_at",
                 "updated_at",
             ]
-        )
+        }
     )
 
 

invokeai/app/services/shared/default_graphs.py

@@ -78,7 +78,7 @@ def create_system_graphs(graph_library: ItemStorageABC[LibraryGraph]) -> list[Li
     """Creates the default system graphs, or adds new versions if the old ones don't match"""
 
     # TODO: Uncomment this when we are ready to fix this up to prevent breaking changes
-    graphs: list[LibraryGraph] = list()
+    graphs: list[LibraryGraph] = []
 
     text_to_image = graph_library.get(default_text_to_image_graph_id)
 

invokeai/app/services/shared/graph.py

@@ -352,7 +352,7 @@ class Graph(BaseModel):
 
         # Validate that all node ids are unique
         node_ids = [n.id for n in self.nodes.values()]
-        duplicate_node_ids = set([node_id for node_id in node_ids if node_ids.count(node_id) >= 2])
+        duplicate_node_ids = {node_id for node_id in node_ids if node_ids.count(node_id) >= 2}
         if duplicate_node_ids:
             raise DuplicateNodeIdError(f"Node ids must be unique, found duplicates {duplicate_node_ids}")
 
@@ -616,7 +616,7 @@ class Graph(BaseModel):
         self, node_path: str, prefix: Optional[str] = None
     ) -> list[tuple["Graph", Union[str, None], Edge]]:
         """Gets all input edges for a node along with the graph they are in and the graph's path"""
-        edges = list()
+        edges = []
 
         # Return any input edges that appear in this graph
         edges.extend([(self, prefix, e) for e in self.edges if e.destination.node_id == node_path])
@@ -658,7 +658,7 @@ class Graph(BaseModel):
         self, node_path: str, prefix: Optional[str] = None
     ) -> list[tuple["Graph", Union[str, None], Edge]]:
         """Gets all output edges for a node along with the graph they are in and the graph's path"""
-        edges = list()
+        edges = []
 
         # Return any input edges that appear in this graph
         edges.extend([(self, prefix, e) for e in self.edges if e.source.node_id == node_path])
@@ -680,8 +680,8 @@ class Graph(BaseModel):
         new_input: Optional[EdgeConnection] = None,
         new_output: Optional[EdgeConnection] = None,
     ) -> bool:
-        inputs = list([e.source for e in self._get_input_edges(node_path, "collection")])
+        inputs = [e.source for e in self._get_input_edges(node_path, "collection")]
-        outputs = list([e.destination for e in self._get_output_edges(node_path, "item")])
+        outputs = [e.destination for e in self._get_output_edges(node_path, "item")]
 
         if new_input is not None:
             inputs.append(new_input)
@@ -694,7 +694,7 @@ class Graph(BaseModel):
 
         # Get input and output fields (the fields linked to the iterator's input/output)
         input_field = get_output_field(self.get_node(inputs[0].node_id), inputs[0].field)
-        output_fields = list([get_input_field(self.get_node(e.node_id), e.field) for e in outputs])
+        output_fields = [get_input_field(self.get_node(e.node_id), e.field) for e in outputs]
 
         # Input type must be a list
         if get_origin(input_field) != list:
@@ -713,8 +713,8 @@ class Graph(BaseModel):
         new_input: Optional[EdgeConnection] = None,
         new_output: Optional[EdgeConnection] = None,
     ) -> bool:
-        inputs = list([e.source for e in self._get_input_edges(node_path, "item")])
+        inputs = [e.source for e in self._get_input_edges(node_path, "item")]
-        outputs = list([e.destination for e in self._get_output_edges(node_path, "collection")])
+        outputs = [e.destination for e in self._get_output_edges(node_path, "collection")]
 
         if new_input is not None:
             inputs.append(new_input)
@@ -722,18 +722,16 @@ class Graph(BaseModel):
             outputs.append(new_output)
 
         # Get input and output fields (the fields linked to the iterator's input/output)
-        input_fields = list([get_output_field(self.get_node(e.node_id), e.field) for e in inputs])
+        input_fields = [get_output_field(self.get_node(e.node_id), e.field) for e in inputs]
-        output_fields = list([get_input_field(self.get_node(e.node_id), e.field) for e in outputs])
+        output_fields = [get_input_field(self.get_node(e.node_id), e.field) for e in outputs]
 
         # Validate that all inputs are derived from or match a single type
-        input_field_types = set(
+        input_field_types = {
-            [
             t
                 for input_field in input_fields
                 for t in ([input_field] if get_origin(input_field) is None else get_args(input_field))
                 if t != NoneType
-            ]
+        }  # Get unique types
-        )  # Get unique types
         type_tree = nx.DiGraph()
         type_tree.add_nodes_from(input_field_types)
         type_tree.add_edges_from([e for e in itertools.permutations(input_field_types, 2) if issubclass(e[1], e[0])])
@@ -761,15 +759,15 @@ class Graph(BaseModel):
         """Returns a NetworkX DiGraph representing the layout of this graph"""
         # TODO: Cache this?
         g = nx.DiGraph()
-        g.add_nodes_from([n for n in self.nodes.keys()])
+        g.add_nodes_from(list(self.nodes.keys()))
-        g.add_edges_from(set([(e.source.node_id, e.destination.node_id) for e in self.edges]))
+        g.add_edges_from({(e.source.node_id, e.destination.node_id) for e in self.edges})
         return g
 
     def nx_graph_with_data(self) -> nx.DiGraph:
         """Returns a NetworkX DiGraph representing the data and layout of this graph"""
         g = nx.DiGraph()
-        g.add_nodes_from([n for n in self.nodes.items()])
+        g.add_nodes_from(list(self.nodes.items()))
-        g.add_edges_from(set([(e.source.node_id, e.destination.node_id) for e in self.edges]))
+        g.add_edges_from({(e.source.node_id, e.destination.node_id) for e in self.edges})
         return g
 
     def nx_graph_flat(self, nx_graph: Optional[nx.DiGraph] = None, prefix: Optional[str] = None) -> nx.DiGraph:
@@ -791,7 +789,7 @@ class Graph(BaseModel):
 
         # TODO: figure out if iteration nodes need to be expanded
 
-        unique_edges = set([(e.source.node_id, e.destination.node_id) for e in self.edges])
+        unique_edges = {(e.source.node_id, e.destination.node_id) for e in self.edges}
         g.add_edges_from([(self._get_node_path(e[0], prefix), self._get_node_path(e[1], prefix)) for e in unique_edges])
         return g
 
@@ -843,8 +841,8 @@ class GraphExecutionState(BaseModel):
         return v
 
     model_config = ConfigDict(
-        json_schema_extra=dict(
+        json_schema_extra={
-            required=[
+            "required": [
                 "id",
                 "graph",
                 "execution_graph",
@@ -855,7 +853,7 @@ class GraphExecutionState(BaseModel):
                 "prepared_source_mapping",
                 "source_prepared_mapping",
             ]
-        )
+        }
     )
 
     def next(self) -> Optional[BaseInvocation]:
@@ -895,7 +893,7 @@ class GraphExecutionState(BaseModel):
         source_node = self.prepared_source_mapping[node_id]
         prepared_nodes = self.source_prepared_mapping[source_node]
 
-        if all([n in self.executed for n in prepared_nodes]):
+        if all(n in self.executed for n in prepared_nodes):
             self.executed.add(source_node)
             self.executed_history.append(source_node)
 
@@ -930,7 +928,7 @@ class GraphExecutionState(BaseModel):
             input_collection = getattr(input_collection_prepared_node_output, input_collection_edge.source.field)
             self_iteration_count = len(input_collection)
 
-        new_nodes: list[str] = list()
+        new_nodes: list[str] = []
         if self_iteration_count == 0:
             # TODO: should this raise a warning? It might just happen if an empty collection is input, and should be valid.
             return new_nodes
@@ -940,7 +938,7 @@ class GraphExecutionState(BaseModel):
 
         # Create new edges for this iteration
         # For collect nodes, this may contain multiple inputs to the same field
-        new_edges: list[Edge] = list()
+        new_edges: list[Edge] = []
         for edge in input_edges:
             for input_node_id in (n[1] for n in iteration_node_map if n[0] == edge.source.node_id):
                 new_edge = Edge(
@@ -1034,7 +1032,7 @@ class GraphExecutionState(BaseModel):
 
         # Create execution nodes
         next_node = self.graph.get_node(next_node_id)
-        new_node_ids = list()
+        new_node_ids = []
         if isinstance(next_node, CollectInvocation):
             # Collapse all iterator input mappings and create a single execution node for the collect invocation
             all_iteration_mappings = list(
@@ -1201,7 +1199,7 @@ class LibraryGraph(BaseModel):
 
     @field_validator("exposed_inputs", "exposed_outputs")
     def validate_exposed_aliases(cls, v: list[Union[ExposedNodeInput, ExposedNodeOutput]]):
-        if len(v) != len(set(i.alias for i in v)):
+        if len(v) != len({i.alias for i in v}):
             raise ValueError("Duplicate exposed alias")
         return v
 

invokeai/backend/image_util/pngwriter.py

@@ -88,7 +88,7 @@ class PromptFormatter:
         t2i = self.t2i
         opt = self.opt
 
-        switches = list()
+        switches = []
         switches.append(f'"{opt.prompt}"')
         switches.append(f"-s{opt.steps        or t2i.steps}")
         switches.append(f"-W{opt.width        or t2i.width}")

invokeai/backend/image_util/util.py

@@ -40,7 +40,7 @@ class InitImageResizer:
         (rw, rh) = (int(scale * im.width), int(scale * im.height))
 
         # round everything to multiples of 64
-        width, height, rw, rh = map(lambda x: x - x % 64, (width, height, rw, rh))
+        width, height, rw, rh = (x - x % 64 for x in (width, height, rw, rh))
 
         # no resize necessary, but return a copy
         if im.width == width and im.height == height:

invokeai/backend/install/invokeai_configure.py

@@ -197,7 +197,7 @@ def download_with_progress_bar(model_url: str, model_dest: str, label: str = "th
 
 def download_conversion_models():
     target_dir = config.models_path / "core/convert"
-    kwargs = dict()  # for future use
+    kwargs = {}  # for future use
     try:
         logger.info("Downloading core tokenizers and text encoders")
 
@@ -252,26 +252,26 @@ def download_conversion_models():
 def download_realesrgan():
     logger.info("Installing ESRGAN Upscaling models...")
     URLs = [
-        dict(
+        {
-            url="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.1.0/RealESRGAN_x4plus.pth",
+            "url": "https://github.com/xinntao/Real-ESRGAN/releases/download/v0.1.0/RealESRGAN_x4plus.pth",
-            dest="core/upscaling/realesrgan/RealESRGAN_x4plus.pth",
+            "dest": "core/upscaling/realesrgan/RealESRGAN_x4plus.pth",
-            description="RealESRGAN_x4plus.pth",
+            "description": "RealESRGAN_x4plus.pth",
-        ),
+        },
-        dict(
+        {
-            url="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.2.4/RealESRGAN_x4plus_anime_6B.pth",
+            "url": "https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.2.4/RealESRGAN_x4plus_anime_6B.pth",
-            dest="core/upscaling/realesrgan/RealESRGAN_x4plus_anime_6B.pth",
+            "dest": "core/upscaling/realesrgan/RealESRGAN_x4plus_anime_6B.pth",
-            description="RealESRGAN_x4plus_anime_6B.pth",
+            "description": "RealESRGAN_x4plus_anime_6B.pth",
-        ),
+        },
-        dict(
+        {
-            url="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.1.1/ESRGAN_SRx4_DF2KOST_official-ff704c30.pth",
+            "url": "https://github.com/xinntao/Real-ESRGAN/releases/download/v0.1.1/ESRGAN_SRx4_DF2KOST_official-ff704c30.pth",
-            dest="core/upscaling/realesrgan/ESRGAN_SRx4_DF2KOST_official-ff704c30.pth",
+            "dest": "core/upscaling/realesrgan/ESRGAN_SRx4_DF2KOST_official-ff704c30.pth",
-            description="ESRGAN_SRx4_DF2KOST_official.pth",
+            "description": "ESRGAN_SRx4_DF2KOST_official.pth",
-        ),
+        },
-        dict(
+        {
-            url="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.1/RealESRGAN_x2plus.pth",
+            "url": "https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.1/RealESRGAN_x2plus.pth",
-            dest="core/upscaling/realesrgan/RealESRGAN_x2plus.pth",
+            "dest": "core/upscaling/realesrgan/RealESRGAN_x2plus.pth",
-            description="RealESRGAN_x2plus.pth",
+            "description": "RealESRGAN_x2plus.pth",
-        ),
+        },
     ]
     for model in URLs:
         download_with_progress_bar(model["url"], config.models_path / model["dest"], model["description"])
@@ -680,7 +680,7 @@ def default_user_selections(program_opts: Namespace) -> InstallSelections:
         if program_opts.default_only
         else [models[x].path or models[x].repo_id for x in installer.recommended_models()]
         if program_opts.yes_to_all
-        else list(),
+        else [],
     )
 
 

invokeai/backend/install/migrate_to_3.py

@@ -182,10 +182,10 @@ class MigrateTo3(object):
         """
 
         dest_directory = self.dest_models
-        kwargs = dict(
+        kwargs = {
-            cache_dir=self.root_directory / "models/hub",
+            "cache_dir": self.root_directory / "models/hub",
             # local_files_only = True
-        )
+        }
         try:
             logger.info("Migrating core tokenizers and text encoders")
             target_dir = dest_directory / "core" / "convert"
@@ -316,11 +316,11 @@ class MigrateTo3(object):
         dest_dir = self.dest_models
 
         cache = self.root_directory / "models/hub"
-        kwargs = dict(
+        kwargs = {
-            cache_dir=cache,
+            "cache_dir": cache,
-            safety_checker=None,
+            "safety_checker": None,
             # local_files_only = True,
-        )
+        }
 
         owner, repo_name = repo_id.split("/")
         model_name = model_name or repo_name

invokeai/backend/install/model_install_backend.py

@@ -120,7 +120,7 @@ class ModelInstall(object):
         be treated uniformly. It also sorts the models alphabetically
         by their name, to improve the display somewhat.
         """
-        model_dict = dict()
+        model_dict = {}
 
         # first populate with the entries in INITIAL_MODELS.yaml
         for key, value in self.datasets.items():
@@ -134,7 +134,7 @@ class ModelInstall(object):
             model_dict[key] = model_info
 
         # supplement with entries in models.yaml
-        installed_models = [x for x in self.mgr.list_models()]
+        installed_models = list(self.mgr.list_models())
 
         for md in installed_models:
             base = md["base_model"]
@@ -184,7 +184,7 @@ class ModelInstall(object):
 
     def recommended_models(self) -> Set[str]:
         starters = self.starter_models(all_models=True)
-        return set([x for x in starters if self.datasets[x].get("recommended", False)])
+        return {x for x in starters if self.datasets[x].get("recommended", False)}
 
     def default_model(self) -> str:
         starters = self.starter_models()
@@ -234,7 +234,7 @@ class ModelInstall(object):
         """
 
         if not models_installed:
-            models_installed = dict()
+            models_installed = {}
 
         model_path_id_or_url = str(model_path_id_or_url).strip("\"' ")
 
@@ -252,7 +252,6 @@ class ModelInstall(object):
 
         # folders style or similar
         elif path.is_dir() and any(
-            [
             (path / x).exists()
                 for x in {
                     "config.json",
@@ -261,7 +260,6 @@ class ModelInstall(object):
                     "pytorch_lora_weights.bin",
                     "pytorch_lora_weights.safetensors",
                 }
-            ]
         ):
             models_installed.update({str(model_path_id_or_url): self._install_path(path)})
 
@@ -433,17 +431,17 @@ class ModelInstall(object):
 
         rel_path = self.relative_to_root(path, self.config.models_path)
 
-        attributes = dict(
+        attributes = {
-            path=str(rel_path),
+            "path": str(rel_path),
-            description=str(description),
+            "description": str(description),
-            model_format=info.format,
+            "model_format": info.format,
-        )
+        }
         legacy_conf = None
         if info.model_type == ModelType.Main or info.model_type == ModelType.ONNX:
             attributes.update(
-                dict(
+                {
-                    variant=info.variant_type,
+                    "variant": info.variant_type,
-                )
+                }
             )
             if info.format == "checkpoint":
                 try:
@@ -474,7 +472,7 @@ class ModelInstall(object):
                 )
 
         if legacy_conf:
-            attributes.update(dict(config=str(legacy_conf)))
+            attributes.update({"config": str(legacy_conf)})
         return attributes
 
     def relative_to_root(self, path: Path, root: Optional[Path] = None) -> Path:
@@ -519,7 +517,7 @@ class ModelInstall(object):
     def _download_hf_model(self, repo_id: str, files: List[str], staging: Path, subfolder: None) -> Path:
         _, name = repo_id.split("/")
         location = staging / name
-        paths = list()
+        paths = []
         for filename in files:
             filePath = Path(filename)
             p = hf_download_with_resume(

invokeai/backend/model_management/lora.py

@@ -104,7 +104,7 @@ class ModelPatcher:
         loras: List[Tuple[LoRAModel, float]],
         prefix: str,
     ):
-        original_weights = dict()
+        original_weights = {}
         try:
             with torch.no_grad():
                 for lora, lora_weight in loras:
@@ -324,7 +324,7 @@ class TextualInversionManager(BaseTextualInversionManager):
     tokenizer: CLIPTokenizer
 
     def __init__(self, tokenizer: CLIPTokenizer):
-        self.pad_tokens = dict()
+        self.pad_tokens = {}
         self.tokenizer = tokenizer
 
     def expand_textual_inversion_token_ids_if_necessary(self, token_ids: list[int]) -> list[int]:
@@ -385,10 +385,10 @@ class ONNXModelPatcher:
         if not isinstance(model, IAIOnnxRuntimeModel):
             raise Exception("Only IAIOnnxRuntimeModel models supported")
 
-        orig_weights = dict()
+        orig_weights = {}
 
         try:
-            blended_loras = dict()
+            blended_loras = {}
 
             for lora, lora_weight in loras:
                 for layer_key, layer in lora.layers.items():
@@ -404,7 +404,7 @@ class ONNXModelPatcher:
                     else:
                         blended_loras[layer_key] = layer_weight
 
-            node_names = dict()
+            node_names = {}
             for node in model.nodes.values():
                 node_names[node.name.replace("/", "_").replace(".", "_").lstrip("_")] = node.name
 

invokeai/backend/model_management/model_cache.py

@@ -132,7 +132,7 @@ class ModelCache(object):
             snapshots, so it is recommended to disable this feature unless you are actively inspecting the model cache's
             behaviour.
         """
-        self.model_infos: Dict[str, ModelBase] = dict()
+        self.model_infos: Dict[str, ModelBase] = {}
         # allow lazy offloading only when vram cache enabled
         self.lazy_offloading = lazy_offloading and max_vram_cache_size > 0
         self.precision: torch.dtype = precision
@@ -147,8 +147,8 @@ class ModelCache(object):
         # used for stats collection
         self.stats = None
 
-        self._cached_models = dict()
+        self._cached_models = {}
-        self._cache_stack = list()
+        self._cache_stack = []
 
     def _capture_memory_snapshot(self) -> Optional[MemorySnapshot]:
         if self._log_memory_usage:

invokeai/backend/model_management/model_manager.py

@@ -363,7 +363,7 @@ class ModelManager(object):
             else:
                 return
 
-        self.models = dict()
+        self.models = {}
         for model_key, model_config in config.items():
             if model_key.startswith("_"):
                 continue
@@ -374,7 +374,7 @@ class ModelManager(object):
             self.models[model_key] = model_class.create_config(**model_config)
 
         # check config version number and update on disk/RAM if necessary
-        self.cache_keys = dict()
+        self.cache_keys = {}
 
         # add controlnet, lora and textual_inversion models from disk
         self.scan_models_directory()
@@ -902,7 +902,7 @@ class ModelManager(object):
         """
         Write current configuration out to the indicated file.
         """
-        data_to_save = dict()
+        data_to_save = {}
         data_to_save["__metadata__"] = self.config_meta.model_dump()
 
         for model_key, model_config in self.models.items():
@@ -1034,7 +1034,7 @@ class ModelManager(object):
                 self.ignore = ignore
 
             def on_search_started(self):
-                self.new_models_found = dict()
+                self.new_models_found = {}
 
             def on_model_found(self, model: Path):
                 if model not in self.ignore:
@@ -1106,7 +1106,7 @@ class ModelManager(object):
         # avoid circular import here
         from invokeai.backend.install.model_install_backend import ModelInstall
 
-        successfully_installed = dict()
+        successfully_installed = {}
 
         installer = ModelInstall(
             config=self.app_config, prediction_type_helper=prediction_type_helper, model_manager=self

invokeai/backend/model_management/model_merge.py

@@ -92,7 +92,7 @@ class ModelMerger(object):
         **kwargs - the default DiffusionPipeline.get_config_dict kwargs:
              cache_dir, resume_download, force_download, proxies, local_files_only, use_auth_token, revision, torch_dtype, device_map
         """
-        model_paths = list()
+        model_paths = []
         config = self.manager.app_config
         base_model = BaseModelType(base_model)
         vae = None
@@ -124,13 +124,13 @@ class ModelMerger(object):
         dump_path = (dump_path / merged_model_name).as_posix()
 
         merged_pipe.save_pretrained(dump_path, safe_serialization=True)
-        attributes = dict(
+        attributes = {
-            path=dump_path,
+            "path": dump_path,
-            description=f"Merge of models {', '.join(model_names)}",
+            "description": f"Merge of models {', '.join(model_names)}",
-            model_format="diffusers",
+            "model_format": "diffusers",
-            variant=ModelVariantType.Normal.value,
+            "variant": ModelVariantType.Normal.value,
-            vae=vae,
+            "vae": vae,
-        )
+        }
         return self.manager.add_model(
             merged_model_name,
             base_model=base_model,

invokeai/backend/model_management/model_search.py

@@ -59,7 +59,7 @@ class ModelSearch(ABC):
         for root, dirs, files in os.walk(path, followlinks=True):
             if str(Path(root).name).startswith("."):
                 self._pruned_paths.add(root)
-            if any([Path(root).is_relative_to(x) for x in self._pruned_paths]):
+            if any(Path(root).is_relative_to(x) for x in self._pruned_paths):
                 continue
 
             self._items_scanned += len(dirs) + len(files)
@@ -69,7 +69,6 @@ class ModelSearch(ABC):
                     self._scanned_dirs.add(path)
                     continue
                 if any(
-                    [
                     (path / x).exists()
                         for x in {
                             "config.json",
@@ -78,7 +77,6 @@ class ModelSearch(ABC):
                             "pytorch_lora_weights.bin",
                             "image_encoder.txt",
                         }
-                    ]
                 ):
                     try:
                         self.on_model_found(path)

invokeai/backend/model_management/models/__init__.py

@@ -97,8 +97,8 @@ MODEL_CLASSES = {
     # },
 }
 
-MODEL_CONFIGS = list()
+MODEL_CONFIGS = []
-OPENAPI_MODEL_CONFIGS = list()
+OPENAPI_MODEL_CONFIGS = []
 
 
 class OpenAPIModelInfoBase(BaseModel):
@@ -133,7 +133,7 @@ for base_model, models in MODEL_CLASSES.items():
 
 
 def get_model_config_enums():
-    enums = list()
+    enums = []
 
     for model_config in MODEL_CONFIGS:
         if hasattr(inspect, "get_annotations"):

invokeai/backend/model_management/models/base.py

@@ -164,7 +164,7 @@ class ModelBase(metaclass=ABCMeta):
         with suppress(Exception):
             return cls.__configs
 
-        configs = dict()
+        configs = {}
         for name in dir(cls):
             if name.startswith("__"):
                 continue
@@ -246,8 +246,8 @@ class DiffusersModel(ModelBase):
     def __init__(self, model_path: str, base_model: BaseModelType, model_type: ModelType):
         super().__init__(model_path, base_model, model_type)
 
-        self.child_types: Dict[str, Type] = dict()
+        self.child_types: Dict[str, Type] = {}
-        self.child_sizes: Dict[str, int] = dict()
+        self.child_sizes: Dict[str, int] = {}
 
         try:
             config_data = DiffusionPipeline.load_config(self.model_path)
@@ -326,8 +326,8 @@ def calc_model_size_by_fs(model_path: str, subfolder: Optional[str] = None, vari
     all_files = os.listdir(model_path)
     all_files = [f for f in all_files if os.path.isfile(os.path.join(model_path, f))]
 
-    fp16_files = set([f for f in all_files if ".fp16." in f or ".fp16-" in f])
+    fp16_files = {f for f in all_files if ".fp16." in f or ".fp16-" in f}
-    bit8_files = set([f for f in all_files if ".8bit." in f or ".8bit-" in f])
+    bit8_files = {f for f in all_files if ".8bit." in f or ".8bit-" in f}
     other_files = set(all_files) - fp16_files - bit8_files
 
     if variant is None:
@@ -413,7 +413,7 @@ def _calc_onnx_model_by_data(model) -> int:
 
 
 def _fast_safetensors_reader(path: str):
-    checkpoint = dict()
+    checkpoint = {}
     device = torch.device("meta")
     with open(path, "rb") as f:
         definition_len = int.from_bytes(f.read(8), "little")
@@ -483,7 +483,7 @@ class IAIOnnxRuntimeModel:
     class _tensor_access:
         def __init__(self, model):
             self.model = model
-            self.indexes = dict()
+            self.indexes = {}
             for idx, obj in enumerate(self.model.proto.graph.initializer):
                 self.indexes[obj.name] = idx
 
@@ -524,7 +524,7 @@ class IAIOnnxRuntimeModel:
 
     class _access_helper:
         def __init__(self, raw_proto):
-            self.indexes = dict()
+            self.indexes = {}
             self.raw_proto = raw_proto
             for idx, obj in enumerate(raw_proto):
                 self.indexes[obj.name] = idx
@@ -549,7 +549,7 @@ class IAIOnnxRuntimeModel:
             return self.indexes.keys()
 
         def values(self):
-            return [obj for obj in self.raw_proto]
+            return list(self.raw_proto)
 
     def __init__(self, model_path: str, provider: Optional[str]):
         self.path = model_path

invokeai/backend/model_management/models/controlnet.py

@@ -104,7 +104,7 @@ class ControlNetModel(ModelBase):
                 return ControlNetModelFormat.Diffusers
 
         if os.path.isfile(path):
-            if any([path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt", "pth"]]):
+            if any(path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt", "pth"]):
                 return ControlNetModelFormat.Checkpoint
 
         raise InvalidModelException(f"Not a valid model: {path}")

invokeai/backend/model_management/models/lora.py

@@ -73,7 +73,7 @@ class LoRAModel(ModelBase):
                     return LoRAModelFormat.Diffusers
 
         if os.path.isfile(path):
-            if any([path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt"]]):
+            if any(path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt"]):
                 return LoRAModelFormat.LyCORIS
 
         raise InvalidModelException(f"Not a valid model: {path}")
@@ -499,7 +499,7 @@ class LoRAModelRaw:  # (torch.nn.Module):
         stability_unet_keys = list(SDXL_UNET_STABILITY_TO_DIFFUSERS_MAP)
         stability_unet_keys.sort()
 
-        new_state_dict = dict()
+        new_state_dict = {}
         for full_key, value in state_dict.items():
             if full_key.startswith("lora_unet_"):
                 search_key = full_key.replace("lora_unet_", "")
@@ -545,7 +545,7 @@ class LoRAModelRaw:  # (torch.nn.Module):
 
         model = cls(
             name=file_path.stem,  # TODO:
-            layers=dict(),
+            layers={},
         )
 
         if file_path.suffix == ".safetensors":
@@ -593,12 +593,12 @@ class LoRAModelRaw:  # (torch.nn.Module):
 
     @staticmethod
     def _group_state(state_dict: dict):
-        state_dict_groupped = dict()
+        state_dict_groupped = {}
 
         for key, value in state_dict.items():
             stem, leaf = key.split(".", 1)
             if stem not in state_dict_groupped:
-                state_dict_groupped[stem] = dict()
+                state_dict_groupped[stem] = {}
             state_dict_groupped[stem][leaf] = value
 
         return state_dict_groupped

invokeai/backend/model_management/models/stable_diffusion.py

@@ -110,7 +110,7 @@ class StableDiffusion1Model(DiffusersModel):
                 return StableDiffusion1ModelFormat.Diffusers
 
         if os.path.isfile(model_path):
-            if any([model_path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt"]]):
+            if any(model_path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt"]):
                 return StableDiffusion1ModelFormat.Checkpoint
 
         raise InvalidModelException(f"Not a valid model: {model_path}")
@@ -221,7 +221,7 @@ class StableDiffusion2Model(DiffusersModel):
                 return StableDiffusion2ModelFormat.Diffusers
 
         if os.path.isfile(model_path):
-            if any([model_path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt"]]):
+            if any(model_path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt"]):
                 return StableDiffusion2ModelFormat.Checkpoint
 
         raise InvalidModelException(f"Not a valid model: {model_path}")

invokeai/backend/model_management/models/textual_inversion.py

@@ -71,7 +71,7 @@ class TextualInversionModel(ModelBase):
                 return None  # diffusers-ti
 
         if os.path.isfile(path):
-            if any([path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt", "bin"]]):
+            if any(path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt", "bin"]):
                 return None
 
         raise InvalidModelException(f"Not a valid model: {path}")

invokeai/backend/model_management/models/vae.py

@@ -89,7 +89,7 @@ class VaeModel(ModelBase):
                 return VaeModelFormat.Diffusers
 
         if os.path.isfile(path):
-            if any([path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt"]]):
+            if any(path.endswith(f".{ext}") for ext in ["safetensors", "ckpt", "pt"]):
                 return VaeModelFormat.Checkpoint
 
         raise InvalidModelException(f"Not a valid model: {path}")

invokeai/backend/stable_diffusion/schedulers/schedulers.py

@@ -16,28 +16,28 @@ from diffusers import (
     UniPCMultistepScheduler,
 )
 
-SCHEDULER_MAP = dict(
+SCHEDULER_MAP = {
-    ddim=(DDIMScheduler, dict()),
+    "ddim": (DDIMScheduler, {}),
-    ddpm=(DDPMScheduler, dict()),
+    "ddpm": (DDPMScheduler, {}),
-    deis=(DEISMultistepScheduler, dict()),
+    "deis": (DEISMultistepScheduler, {}),
-    lms=(LMSDiscreteScheduler, dict(use_karras_sigmas=False)),
+    "lms": (LMSDiscreteScheduler, {"use_karras_sigmas": False}),
-    lms_k=(LMSDiscreteScheduler, dict(use_karras_sigmas=True)),
+    "lms_k": (LMSDiscreteScheduler, {"use_karras_sigmas": True}),
-    pndm=(PNDMScheduler, dict()),
+    "pndm": (PNDMScheduler, {}),
-    heun=(HeunDiscreteScheduler, dict(use_karras_sigmas=False)),
+    "heun": (HeunDiscreteScheduler, {"use_karras_sigmas": False}),
-    heun_k=(HeunDiscreteScheduler, dict(use_karras_sigmas=True)),
+    "heun_k": (HeunDiscreteScheduler, {"use_karras_sigmas": True}),
-    euler=(EulerDiscreteScheduler, dict(use_karras_sigmas=False)),
+    "euler": (EulerDiscreteScheduler, {"use_karras_sigmas": False}),
-    euler_k=(EulerDiscreteScheduler, dict(use_karras_sigmas=True)),
+    "euler_k": (EulerDiscreteScheduler, {"use_karras_sigmas": True}),
-    euler_a=(EulerAncestralDiscreteScheduler, dict()),
+    "euler_a": (EulerAncestralDiscreteScheduler, {}),
-    kdpm_2=(KDPM2DiscreteScheduler, dict()),
+    "kdpm_2": (KDPM2DiscreteScheduler, {}),
-    kdpm_2_a=(KDPM2AncestralDiscreteScheduler, dict()),
+    "kdpm_2_a": (KDPM2AncestralDiscreteScheduler, {}),
-    dpmpp_2s=(DPMSolverSinglestepScheduler, dict(use_karras_sigmas=False)),
+    "dpmpp_2s": (DPMSolverSinglestepScheduler, {"use_karras_sigmas": False}),
-    dpmpp_2s_k=(DPMSolverSinglestepScheduler, dict(use_karras_sigmas=True)),
+    "dpmpp_2s_k": (DPMSolverSinglestepScheduler, {"use_karras_sigmas": True}),
-    dpmpp_2m=(DPMSolverMultistepScheduler, dict(use_karras_sigmas=False)),
+    "dpmpp_2m": (DPMSolverMultistepScheduler, {"use_karras_sigmas": False}),
-    dpmpp_2m_k=(DPMSolverMultistepScheduler, dict(use_karras_sigmas=True)),
+    "dpmpp_2m_k": (DPMSolverMultistepScheduler, {"use_karras_sigmas": True}),
-    dpmpp_2m_sde=(DPMSolverMultistepScheduler, dict(use_karras_sigmas=False, algorithm_type="sde-dpmsolver++")),
+    "dpmpp_2m_sde": (DPMSolverMultistepScheduler, {"use_karras_sigmas": False, "algorithm_type": "sde-dpmsolver++"}),
-    dpmpp_2m_sde_k=(DPMSolverMultistepScheduler, dict(use_karras_sigmas=True, algorithm_type="sde-dpmsolver++")),
+    "dpmpp_2m_sde_k": (DPMSolverMultistepScheduler, {"use_karras_sigmas": True, "algorithm_type": "sde-dpmsolver++"}),
-    dpmpp_sde=(DPMSolverSDEScheduler, dict(use_karras_sigmas=False, noise_sampler_seed=0)),
+    "dpmpp_sde": (DPMSolverSDEScheduler, {"use_karras_sigmas": False, "noise_sampler_seed": 0}),
-    dpmpp_sde_k=(DPMSolverSDEScheduler, dict(use_karras_sigmas=True, noise_sampler_seed=0)),
+    "dpmpp_sde_k": (DPMSolverSDEScheduler, {"use_karras_sigmas": True, "noise_sampler_seed": 0}),
-    unipc=(UniPCMultistepScheduler, dict(cpu_only=True)),
+    "unipc": (UniPCMultistepScheduler, {"cpu_only": True}),
-    lcm=(LCMScheduler, dict()),
+    "lcm": (LCMScheduler, {}),
-)
+}

invokeai/backend/training/textual_inversion_training.py

@@ -615,7 +615,7 @@ def do_textual_inversion_training(
     vae_info = model_manager.get_model(*model_meta, submodel=SubModelType.Vae)
     unet_info = model_manager.get_model(*model_meta, submodel=SubModelType.UNet)
 
-    pipeline_args = dict(local_files_only=True)
+    pipeline_args = {"local_files_only": True}
     if tokenizer_name:
         tokenizer = CLIPTokenizer.from_pretrained(tokenizer_name, **pipeline_args)
     else:

invokeai/backend/util/logging.py

@@ -225,34 +225,34 @@ def basicConfig(**kwargs):
 
 
 _FACILITY_MAP = (
-    dict(
+    {
-        LOG_KERN=syslog.LOG_KERN,
+        "LOG_KERN": syslog.LOG_KERN,
-        LOG_USER=syslog.LOG_USER,
+        "LOG_USER": syslog.LOG_USER,
-        LOG_MAIL=syslog.LOG_MAIL,
+        "LOG_MAIL": syslog.LOG_MAIL,
-        LOG_DAEMON=syslog.LOG_DAEMON,
+        "LOG_DAEMON": syslog.LOG_DAEMON,
-        LOG_AUTH=syslog.LOG_AUTH,
+        "LOG_AUTH": syslog.LOG_AUTH,
-        LOG_LPR=syslog.LOG_LPR,
+        "LOG_LPR": syslog.LOG_LPR,
-        LOG_NEWS=syslog.LOG_NEWS,
+        "LOG_NEWS": syslog.LOG_NEWS,
-        LOG_UUCP=syslog.LOG_UUCP,
+        "LOG_UUCP": syslog.LOG_UUCP,
-        LOG_CRON=syslog.LOG_CRON,
+        "LOG_CRON": syslog.LOG_CRON,
-        LOG_SYSLOG=syslog.LOG_SYSLOG,
+        "LOG_SYSLOG": syslog.LOG_SYSLOG,
-        LOG_LOCAL0=syslog.LOG_LOCAL0,
+        "LOG_LOCAL0": syslog.LOG_LOCAL0,
-        LOG_LOCAL1=syslog.LOG_LOCAL1,
+        "LOG_LOCAL1": syslog.LOG_LOCAL1,
-        LOG_LOCAL2=syslog.LOG_LOCAL2,
+        "LOG_LOCAL2": syslog.LOG_LOCAL2,
-        LOG_LOCAL3=syslog.LOG_LOCAL3,
+        "LOG_LOCAL3": syslog.LOG_LOCAL3,
-        LOG_LOCAL4=syslog.LOG_LOCAL4,
+        "LOG_LOCAL4": syslog.LOG_LOCAL4,
-        LOG_LOCAL5=syslog.LOG_LOCAL5,
+        "LOG_LOCAL5": syslog.LOG_LOCAL5,
-        LOG_LOCAL6=syslog.LOG_LOCAL6,
+        "LOG_LOCAL6": syslog.LOG_LOCAL6,
-        LOG_LOCAL7=syslog.LOG_LOCAL7,
+        "LOG_LOCAL7": syslog.LOG_LOCAL7,
-    )
+    }
     if SYSLOG_AVAILABLE
-    else dict()
+    else {}
 )
 
-_SOCK_MAP = dict(
+_SOCK_MAP = {
-    SOCK_STREAM=socket.SOCK_STREAM,
+    "SOCK_STREAM": socket.SOCK_STREAM,
-    SOCK_DGRAM=socket.SOCK_DGRAM,
+    "SOCK_DGRAM": socket.SOCK_DGRAM,
-)
+}
 
 
 class InvokeAIFormatter(logging.Formatter):
@@ -344,7 +344,7 @@ LOG_FORMATTERS = {
 
 
 class InvokeAILogger(object):
-    loggers = dict()
+    loggers = {}
 
     @classmethod
     def get_logger(
@@ -364,7 +364,7 @@ class InvokeAILogger(object):
     @classmethod
     def get_loggers(cls, config: InvokeAIAppConfig) -> list[logging.Handler]:
         handler_strs = config.log_handlers
-        handlers = list()
+        handlers = []
         for handler in handler_strs:
             handler_name, *args = handler.split("=", 2)
             args = args[0] if len(args) > 0 else None
@@ -398,7 +398,7 @@ class InvokeAILogger(object):
             raise ValueError("syslog is not available on this system")
         if not args:
             args = "/dev/log" if Path("/dev/log").exists() else "address:localhost:514"
-        syslog_args = dict()
+        syslog_args = {}
         try:
             for a in args.split(","):
                 arg_name, *arg_value = a.split(":", 2)
@@ -434,7 +434,7 @@ class InvokeAILogger(object):
         path = url.path
         port = url.port or 80
 
-        syslog_args = dict()
+        syslog_args = {}
         for a in arg_list:
             arg_name, *arg_value = a.split(":", 2)
             if arg_name == "method":

invokeai/backend/util/util.py

@@ -26,7 +26,7 @@ def log_txt_as_img(wh, xc, size=10):
     # wh a tuple of (width, height)
     # xc a list of captions to plot
     b = len(xc)
-    txts = list()
+    txts = []
     for bi in range(b):
         txt = Image.new("RGB", wh, color="white")
         draw = ImageDraw.Draw(txt)
@@ -90,7 +90,7 @@ def instantiate_from_config(config, **kwargs):
         elif config == "__is_unconditional__":
             return None
         raise KeyError("Expected key `target` to instantiate.")
-    return get_obj_from_str(config["target"])(**config.get("params", dict()), **kwargs)
+    return get_obj_from_str(config["target"])(**config.get("params", {}), **kwargs)
 
 
 def get_obj_from_str(string, reload=False):

invokeai/frontend/install/import_images.py

@@ -341,19 +341,19 @@ class InvokeAIMetadataParser:
         # this was more elegant as a case statement, but that's not available in python 3.9
         if old_scheduler is None:
             return None
-        scheduler_map = dict(
+        scheduler_map = {
-            ddim="ddim",
+            "ddim": "ddim",
-            plms="pnmd",
+            "plms": "pnmd",
-            k_lms="lms",
+            "k_lms": "lms",
-            k_dpm_2="kdpm_2",
+            "k_dpm_2": "kdpm_2",
-            k_dpm_2_a="kdpm_2_a",
+            "k_dpm_2_a": "kdpm_2_a",
-            dpmpp_2="dpmpp_2s",
+            "dpmpp_2": "dpmpp_2s",
-            k_dpmpp_2="dpmpp_2m",
+            "k_dpmpp_2": "dpmpp_2m",
-            k_dpmpp_2_a=None,  # invalid, in 2.3.x, selecting this sample would just fallback to last run or plms if new session
+            "k_dpmpp_2_a": None,  # invalid, in 2.3.x, selecting this sample would just fallback to last run or plms if new session
-            k_euler="euler",
+            "k_euler": "euler",
-            k_euler_a="euler_a",
+            "k_euler_a": "euler_a",
-            k_heun="heun",
+            "k_heun": "heun",
-        )
+        }
         return scheduler_map.get(old_scheduler)
 
     def split_prompt(self, raw_prompt: str):

invokeai/frontend/install/model_install.py

@@ -210,7 +210,7 @@ class addModelsForm(CyclingForm, npyscreen.FormMultiPage):
     ############# diffusers tab ##########
     def add_starter_pipelines(self) -> dict[str, npyscreen.widget]:
         """Add widgets responsible for selecting diffusers models"""
-        widgets = dict()
+        widgets = {}
         models = self.all_models
         starters = self.starter_models
         starter_model_labels = self.model_labels
@@ -261,7 +261,7 @@ class addModelsForm(CyclingForm, npyscreen.FormMultiPage):
         exclude: set = set(),
     ) -> dict[str, npyscreen.widget]:
         """Generic code to create model selection widgets"""
-        widgets = dict()
+        widgets = {}
         model_list = [x for x in self.all_models if self.all_models[x].model_type == model_type and x not in exclude]
         model_labels = [self.model_labels[x] for x in model_list]
 
@@ -391,7 +391,7 @@ class addModelsForm(CyclingForm, npyscreen.FormMultiPage):
         label_width = max([len(models[x].name) for x in models])
         description_width = window_width - label_width - checkbox_width - spacing_width
 
-        result = dict()
+        result = {}
         for x in models.keys():
             description = models[x].description
             description = (
@@ -433,11 +433,11 @@ class addModelsForm(CyclingForm, npyscreen.FormMultiPage):
         parent_conn, child_conn = Pipe()
         p = Process(
             target=process_and_execute,
-            kwargs=dict(
+            kwargs={
-                opt=app.program_opts,
+                "opt": app.program_opts,
-                selections=app.install_selections,
+                "selections": app.install_selections,
-                conn_out=child_conn,
+                "conn_out": child_conn,
-            ),
+            },
         )
         p.start()
         child_conn.close()
@@ -558,7 +558,7 @@ class addModelsForm(CyclingForm, npyscreen.FormMultiPage):
         for section in ui_sections:
             if "models_selected" not in section:
                 continue
-            selected = set([section["models"][x] for x in section["models_selected"].value])
+            selected = {section["models"][x] for x in section["models_selected"].value}
             models_to_install = [x for x in selected if not self.all_models[x].installed]
             models_to_remove = [x for x in section["models"] if x not in selected and self.all_models[x].installed]
             selections.remove_models.extend(models_to_remove)

invokeai/frontend/merge/merge_diffusers.py

@@ -275,14 +275,14 @@ class mergeModelsForm(npyscreen.FormMultiPageAction):
             interp = self.interpolations[self.merge_method.value[0]]
 
         bases = ["sd-1", "sd-2", "sdxl"]
-        args = dict(
+        args = {
-            model_names=models,
+            "model_names": models,
-            base_model=BaseModelType(bases[self.base_select.value[0]]),
+            "base_model": BaseModelType(bases[self.base_select.value[0]]),
-            alpha=self.alpha.value,
+            "alpha": self.alpha.value,
-            interp=interp,
+            "interp": interp,
-            force=self.force.value,
+            "force": self.force.value,
-            merged_model_name=self.merged_model_name.value,
+            "merged_model_name": self.merged_model_name.value,
-        )
+        }
         return args
 
     def check_for_overwrite(self) -> bool:
@@ -297,7 +297,7 @@ class mergeModelsForm(npyscreen.FormMultiPageAction):
     def validate_field_values(self) -> bool:
         bad_fields = []
         model_names = self.model_names
-        selected_models = set((model_names[self.model1.value[0]], model_names[self.model2.value[0]]))
+        selected_models = {model_names[self.model1.value[0]], model_names[self.model2.value[0]]}
         if self.model3.value[0] > 0:
             selected_models.add(model_names[self.model3.value[0] - 1])
         if len(selected_models) < 2:

invokeai/frontend/training/textual_inversion.py

@@ -276,13 +276,13 @@ class textualInversionForm(npyscreen.FormMultiPageAction):
 
     def get_model_names(self) -> Tuple[List[str], int]:
         conf = OmegaConf.load(config.root_dir / "configs/models.yaml")
-        model_names = [idx for idx in sorted(list(conf.keys())) if conf[idx].get("format", None) == "diffusers"]
+        model_names = [idx for idx in sorted(conf.keys()) if conf[idx].get("format", None) == "diffusers"]
         defaults = [idx for idx in range(len(model_names)) if "default" in conf[model_names[idx]]]
         default = defaults[0] if len(defaults) > 0 else 0
         return (model_names, default)
 
     def marshall_arguments(self) -> dict:
-        args = dict()
+        args = {}
 
         # the choices
         args.update(

scripts/scan_models_directory.py

@@ -37,22 +37,22 @@ def main():
 
         if args.all_models or model_type == "diffusers":
             for d in dirs:
-                conf[f"{base}/{model_type}/{d}"] = dict(
+                conf[f"{base}/{model_type}/{d}"] = {
-                    path=os.path.join(root, d),
+                    "path": os.path.join(root, d),
-                    description=f"{model_type} model {d}",
+                    "description": f"{model_type} model {d}",
-                    format="folder",
+                    "format": "folder",
-                    base=base,
+                    "base": base,
-                )
+                }
 
             for f in files:
                 basename = Path(f).stem
                 format = Path(f).suffix[1:]
-                conf[f"{base}/{model_type}/{basename}"] = dict(
+                conf[f"{base}/{model_type}/{basename}"] = {
-                    path=os.path.join(root, f),
+                    "path": os.path.join(root, f),
-                    description=f"{model_type} model {basename}",
+                    "description": f"{model_type} model {basename}",
-                    format=format,
+                    "format": format,
-                    base=base,
+                    "base": base,
-                )
+                }
 
     OmegaConf.save(config=dict(sorted(conf.items())), f=sys.stdout)
 

tests/nodes/test_graph_execution_state.py

@@ -149,8 +149,8 @@ def test_graph_state_expands_iterator(mock_services):
         invoke_next(g, mock_services)
 
     prepared_add_nodes = g.source_prepared_mapping["3"]
-    results = set([g.results[n].value for n in prepared_add_nodes])
+    results = {g.results[n].value for n in prepared_add_nodes}
-    expected = set([1, 11, 21])
+    expected = {1, 11, 21}
     assert results == expected
 
 
@@ -229,7 +229,7 @@ def test_graph_executes_depth_first(mock_services):
     # Because ordering is not guaranteed, we cannot compare results directly.
     # Instead, we must count the number of results.
     def get_completed_count(g, id):
-        ids = [i for i in g.source_prepared_mapping[id]]
+        ids = list(g.source_prepared_mapping[id])
         completed_ids = [i for i in g.executed if i in ids]
         return len(completed_ids)
 

tests/nodes/test_node_graph.py

@@ -503,8 +503,8 @@ def test_graph_expands_subgraph():
     g.add_edge(create_edge("1.2", "value", "2", "a"))
 
     dg = g.nx_graph_flat()
-    assert set(dg.nodes) == set(["1.1", "1.2", "2"])
+    assert set(dg.nodes) == {"1.1", "1.2", "2"}
-    assert set(dg.edges) == set([("1.1", "1.2"), ("1.2", "2")])
+    assert set(dg.edges) == {("1.1", "1.2"), ("1.2", "2")}
 
 
 def test_graph_subgraph_t2i():
@@ -532,9 +532,7 @@ def test_graph_subgraph_t2i():
 
     # Validate
     dg = g.nx_graph_flat()
-    assert set(dg.nodes) == set(
+    assert set(dg.nodes) == {"1.width", "1.height", "1.seed", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "2", "3", "4"}
-        ["1.width", "1.height", "1.seed", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "2", "3", "4"]
-    )
     expected_edges = [(f"1.{e.source.node_id}", f"1.{e.destination.node_id}") for e in lg.graph.edges]
     expected_edges.extend([("2", "1.width"), ("3", "1.height"), ("1.8", "4")])
     print(expected_edges)

tests/nodes/test_nodes.py

@@ -130,7 +130,7 @@ class TestEventService(EventServiceBase):
 
     def __init__(self):
         super().__init__()
-        self.events = list()
+        self.events = []
 
     def dispatch(self, event_name: str, payload: Any) -> None:
         pass