_root_to_dict() — langchain Function Reference

Architecture documentation for the _root_to_dict() function in xml.py from the langchain codebase.

Function python OutputParsing StreamingParsers calls 1 called by 2

Entity Profile

OutputParsing→ StreamingParsers→ _root_to_dict() — langchain Function Reference

Dependency Diagram

graph TD
  bc7e3795_e9e2_9111_e066_976d85188623["_root_to_dict()"]
  b51fd3dc_a25e_9ad9_8893_3725f5d436f0["XMLOutputParser"]
  bc7e3795_e9e2_9111_e066_976d85188623 -->|defined in| b51fd3dc_a25e_9ad9_8893_3725f5d436f0
  698aa558_20db_aa12_47eb_de459e25e934["parse()"]
  698aa558_20db_aa12_47eb_de459e25e934 -->|calls| bc7e3795_e9e2_9111_e066_976d85188623
  bc7e3795_e9e2_9111_e066_976d85188623["_root_to_dict()"]
  bc7e3795_e9e2_9111_e066_976d85188623 -->|calls| bc7e3795_e9e2_9111_e066_976d85188623
  bc7e3795_e9e2_9111_e066_976d85188623["_root_to_dict()"]
  bc7e3795_e9e2_9111_e066_976d85188623 -->|calls| bc7e3795_e9e2_9111_e066_976d85188623
  style bc7e3795_e9e2_9111_e066_976d85188623 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/output_parsers/xml.py lines 269–281

    def _root_to_dict(self, root: ET.Element) -> dict[str, str | list[Any]]:
        """Converts xml tree to python dictionary."""
        if root.text and bool(re.search(r"\S", root.text)):
            # If root text contains any non-whitespace character it
            # returns {root.tag: root.text}
            return {root.tag: root.text}
        result: dict = {root.tag: []}
        for child in root:
            if len(child) == 0:
                result[root.tag].append({child.tag: child.text})
            else:
                result[root.tag].append(self._root_to_dict(child))
        return result