Create utils.py

utils.py

@@ -0,0 +1,48 @@
+import inspect
+
+def function_to_schema(func) -> dict:
+    type_map = {
+        str: "string",
+        int: "integer",
+        float: "number",
+        bool: "boolean",
+        list: "array",
+        dict: "object",
+        type(None): "null",
+    }
+
+    try:
+        signature = inspect.signature(func)
+    except ValueError as e:
+        raise ValueError(
+            f"Failed to get signature for function {func.__name__}: {str(e)}"
+        )
+
+    parameters = {}
+    for param in signature.parameters.values():
+        try:
+            param_type = type_map.get(param.annotation, "string")
+        except KeyError as e:
+            raise KeyError(
+                f"Unknown type annotation {param.annotation} for parameter {param.name}: {str(e)}"
+            )
+        parameters[param.name] = {"type": param_type}
+
+    required = [
+        param.name
+        for param in signature.parameters.values()
+        if param.default == inspect._empty
+    ]
+
+    return {
+        "type": "function",
+        "function": {
+            "name": func.__name__,
+            "description": func.__doc__ or "",
+            "parameters": {
+                "type": "object",
+                "properties": parameters,
+                "required": required,
+            },
+        },
+    }