| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859 | from typing import Any, Literal, Unionfrom pydantic import BaseModel, field_validatorfrom pydantic_core.core_schema import ValidationInfofrom core.tools.entities.tool_entities import ToolProviderTypefrom core.workflow.entities.base_node_data_entities import BaseNodeDataclass ToolEntity(BaseModel):    provider_id: str    provider_type: ToolProviderType    provider_name: str  # redundancy    tool_name: str    tool_label: str  # redundancy    tool_configurations: dict[str, Any]    @field_validator("tool_configurations", mode="before")    @classmethod    def validate_tool_configurations(cls, value, values: ValidationInfo):        if not isinstance(value, dict):            raise ValueError("tool_configurations must be a dictionary")        for key in values.data.get("tool_configurations", {}):            value = values.data.get("tool_configurations", {}).get(key)            if not isinstance(value, str | int | float | bool):                raise ValueError(f"{key} must be a string")        return valueclass ToolNodeData(BaseNodeData, ToolEntity):    class ToolInput(BaseModel):        # TODO: check this type        value: Union[Any, list[str]]        type: Literal["mixed", "variable", "constant"]        @field_validator("type", mode="before")        @classmethod        def check_type(cls, value, validation_info: ValidationInfo):            typ = value            value = validation_info.data.get("value")            if typ == "mixed" and not isinstance(value, str):                raise ValueError("value must be a string")            elif typ == "variable":                if not isinstance(value, list):                    raise ValueError("value must be a list")                for val in value:                    if not isinstance(val, str):                        raise ValueError("value must be a list of strings")            elif typ == "constant" and not isinstance(value, str | int | float | bool):                raise ValueError("value must be a string, int, float, or bool")            return typ    """    Tool Node Schema    """    tool_parameters: dict[str, ToolInput]
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