add_nodes() — langchain Function Reference

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

Function python LangChainCore Runnables calls 1 called by 1

Entity Profile

LangChainCore→ Runnables→ add_nodes() — langchain Function Reference

Dependency Diagram

graph TD
  05cb2749_4b9a_b841_c17a_7346d04b345e["add_nodes()"]
  5a670bac_6993_ecfd_ad71_f79187c3df76["PngDrawer"]
  05cb2749_4b9a_b841_c17a_7346d04b345e -->|defined in| 5a670bac_6993_ecfd_ad71_f79187c3df76
  80a735b5_4997_c6b1_cea7_cd7a0638ba48["draw()"]
  80a735b5_4997_c6b1_cea7_cd7a0638ba48 -->|calls| 05cb2749_4b9a_b841_c17a_7346d04b345e
  daf54039_8ae0_cde5_b789_6cc575db8dc6["add_node()"]
  05cb2749_4b9a_b841_c17a_7346d04b345e -->|calls| daf54039_8ae0_cde5_b789_6cc575db8dc6
  style 05cb2749_4b9a_b841_c17a_7346d04b345e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/graph_png.py lines 156–164

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

        Args:
            viz: The graphviz object.
            graph: The graph to draw.
        """
        for node in graph.nodes:
            self.add_node(viz, node)