add_edges() — langchain Function Reference

Architecture documentation for the add_edges() function in graph_png.py from the langchain codebase.

Function python LangChainCore Runnables calls 1 called by 1

Entity Profile

LangChainCore→ Runnables→ add_edges() — langchain Function Reference

Dependency Diagram

graph TD
  18b74f26_5e8d_d54f_32a6_6c80561653ab["add_edges()"]
  5a670bac_6993_ecfd_ad71_f79187c3df76["PngDrawer"]
  18b74f26_5e8d_d54f_32a6_6c80561653ab -->|defined in| 5a670bac_6993_ecfd_ad71_f79187c3df76
  80a735b5_4997_c6b1_cea7_cd7a0638ba48["draw()"]
  80a735b5_4997_c6b1_cea7_cd7a0638ba48 -->|calls| 18b74f26_5e8d_d54f_32a6_6c80561653ab
  d2ef13c6_e82b_33d6_fa5a_b78fd99c12a6["add_edge()"]
  18b74f26_5e8d_d54f_32a6_6c80561653ab -->|calls| d2ef13c6_e82b_33d6_fa5a_b78fd99c12a6
  style 18b74f26_5e8d_d54f_32a6_6c80561653ab fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/graph_png.py lines 192–202

    def add_edges(self, viz: Any, graph: Graph) -> None:
        """Add edges to the graph.

        Args:
            viz: The graphviz object.
            graph: The graph to draw.
        """
        for start, end, data, cond in graph.edges:
            self.add_edge(
                viz, start, end, str(data) if data is not None else None, cond
            )