add get required resources method to base column generator

Author: johnnygreco

src/data_designer/engine/column_generators/generators/base.py

@@ -56,6 +56,10 @@ def generate(self, data: pd.DataFrame) -> pd.DataFrame: ...
     @abstractmethod
     def generate(self, data: DataT) -> DataT: ...
 
+    @staticmethod
+    def get_required_resources() -> list[ResourceType]:
+        return []
+
     def log_pre_generation(self) -> None:
         """A shared method to log info before the generator's `generate` method is called.
 

src/data_designer/engine/column_generators/generators/expression.py

@@ -4,7 +4,6 @@
 from __future__ import annotations
 
 import logging
-from typing import TYPE_CHECKING
 
 import pandas as pd
 
@@ -18,18 +17,10 @@
 from data_designer.engine.processing.ginja.environment import WithJinja2UserTemplateRendering
 from data_designer.engine.processing.utils import deserialize_json_values
 
-if TYPE_CHECKING:
-    from data_designer.engine.resources.resource_provider import ResourceType
-
-
 logger = logging.getLogger(__name__)
 
 
 class ExpressionColumnGenerator(WithJinja2UserTemplateRendering, ColumnGenerator[ExpressionColumnConfig]):
-    @staticmethod
-    def get_required_resources() -> list[ResourceType]:
-        return []
-
     @staticmethod
     def metadata() -> GeneratorMetadata:
         return GeneratorMetadata(

src/data_designer/engine/column_generators/generators/validation.py

@@ -21,7 +21,6 @@
 )
 from data_designer.engine.dataset_builders.utils.concurrency import ConcurrentThreadExecutor
 from data_designer.engine.errors import DataDesignerRuntimeError
-from data_designer.engine.resources.resource_provider import ResourceType
 from data_designer.engine.validators import (
     BaseValidator,
     LocalCallableValidator,
@@ -47,10 +46,6 @@ def get_validator_from_params(validator_type: ValidatorType, validator_params: V
 
 
 class ValidationColumnGenerator(ColumnGenerator[ValidationColumnConfig]):
-    @staticmethod
-    def get_required_resources() -> list[ResourceType]:
-        return []
-
     @staticmethod
     def metadata() -> GeneratorMetadata:
         return GeneratorMetadata(