initial commit

venv/Lib/site-packages/langchain_classic/agents/utils.py

@@ -0,0 +1,19 @@
+from collections.abc import Sequence
+
+from langchain_core.tools import BaseTool
+
+
+def validate_tools_single_input(class_name: str, tools: Sequence[BaseTool]) -> None:
+    """Validate tools for single input.
+
+    Args:
+        class_name: Name of the class.
+        tools: List of tools to validate.
+
+    Raises:
+        ValueError: If a multi-input tool is found in tools.
+    """
+    for tool in tools:
+        if not tool.is_single_input:
+            msg = f"{class_name} does not support multi-input tool {tool.name}."
+            raise ValueError(msg)