tool base

Former-commit-id: 2e1eaf1b10

swarms/agents/tools/base.py

@@ -0,0 +1,90 @@
+from __future__ import annotations
+
+from abc import ABC, abstractmethod
+from typing import Any, Awaitable, Callable, Dict, List, Optional, Type, Union
+from pydantic import BaseModel
+
+class ToolException(Exception):
+    pass
+
+class BaseTool(ABC):
+    name: str
+    description: str
+
+    @abstractmethod
+    def run(self, *args: Any, **kwargs: Any) -> Any:
+        pass
+
+    async def arun(self, *args: Any, **kwargs: Any) -> Any:
+        pass
+
+    def __call__(self, *args: Any, **kwargs: Any) -> Any:
+        return self.run(*args, **kwargs)
+
+class Tool(BaseTool):
+    def __init__(self, name: str, description: str, func: Callable[..., Any]):
+        self.name = name
+        self.description = description
+        self.func = func
+
+    def run(self, *args: Any, **kwargs: Any) -> Any:
+        try:
+            return self.func(*args, **kwargs)
+        except ToolException as e:
+            raise e
+
+    async def arun(self, *args: Any, **kwargs: Any) -> Any:
+        try:
+            return await self.func(*args, **kwargs)
+        except ToolException as e:
+            raise e
+
+class StructuredTool(BaseTool):
+    def __init__(
+        self,
+        name: str,
+        description: str,
+        args_schema: Type[BaseModel],
+        func: Callable[..., Any]
+    ):
+        self.name = name
+        self.description = description
+        self.args_schema = args_schema
+        self.func = func
+
+    def run(self, *args: Any, **kwargs: Any) -> Any:
+        try:
+            return self.func(*args, **kwargs)
+        except ToolException as e:
+            raise e
+
+    async def arun(self, *args: Any, **kwargs: Any) -> Any:
+        try:
+            return await self.func(*args, **kwargs)
+        except ToolException as e:
+            raise e
+
+def tool(
+    name: Optional[str] = None,
+    description: Optional[str] = None,
+    args_schema: Optional[Type[BaseModel]] = None,
+    return_direct: bool = False,
+    infer_schema: bool = True
+) -> Callable:
+    def decorator(func: Callable[..., Any]) -> Union[Tool, StructuredTool]:
+        nonlocal name, description
+
+        if name is None:
+            name = func.__name__
+        if description is None:
+            description = func.__doc__ or ""
+
+        if args_schema or infer_schema:
+            if args_schema is None:
+                args_schema = BaseModel
+
+            return StructuredTool(name, description, args_schema, func)
+        else:
+            return Tool(name, description, func)
+
+    return decorator