ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter4/collaboration-tools/result_parsing.py

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+"""Helpers for parsing text returned by collaboration tools."""
+
+import ast
+from typing import Any
+
+
+def parse_mapping(text: str) -> dict[str, Any]:
+    """Parse a Python dictionary literal without evaluating expressions."""
+    try:
+        parsed = ast.literal_eval(text)
+    except (SyntaxError, ValueError) as exc:
+        raise ValueError("MCP tool result must be a dictionary literal") from exc
+
+    if not isinstance(parsed, dict):
+        raise ValueError("MCP tool result must be a dictionary literal")
+
+    return parsed