copy() — langchain Function Reference

Architecture documentation for the copy() function in graph.py from the langchain codebase.

Function python LangChainCore Runnables calls 1 called by 1

Entity Profile

LangChainCore→ Runnables→ copy() — langchain Function Reference

Dependency Diagram

graph TD
  f87c1ed6_b569_98a8_6084_9f7857a4fa39["copy()"]
  2beebca5_04a9_fb02_6662_6a2b98ab5e76["Edge"]
  f87c1ed6_b569_98a8_6084_9f7857a4fa39 -->|defined in| 2beebca5_04a9_fb02_6662_6a2b98ab5e76
  3db09069_0f77_1402_7f96_14d549abbd03["copy()"]
  3db09069_0f77_1402_7f96_14d549abbd03 -->|calls| f87c1ed6_b569_98a8_6084_9f7857a4fa39
  3db09069_0f77_1402_7f96_14d549abbd03["copy()"]
  f87c1ed6_b569_98a8_6084_9f7857a4fa39 -->|calls| 3db09069_0f77_1402_7f96_14d549abbd03
  style f87c1ed6_b569_98a8_6084_9f7857a4fa39 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/graph.py lines 75–90

    def copy(self, *, source: str | None = None, target: str | None = None) -> Edge:
        """Return a copy of the edge with optional new source and target nodes.

        Args:
            source: The new source node id.
            target: The new target node id.

        Returns:
            A copy of the edge with the new source and target nodes.
        """
        return Edge(
            source=source or self.source,
            target=target or self.target,
            data=self.data,
            conditional=self.conditional,
        )