langchain_core.runnables.graph_ascii.draw_ascii

langchain_core.runnables.graph_ascii.draw_ascii(vertices: Mapping[str, str], edges: Sequence[Edge]) str[源码]

构建一个有向无环图(DAG)并在ASCII码中绘制它。

参数
  • vertices (列表) – 图顶点的列表。

  • edges (列表) – 图边的列表。

返回

ASCII表示形式

返回类型

str

示例

>>> vertices = [1, 2, 3, 4]
>>> edges = [(1, 2), (2, 3), (2, 4), (1, 4)]
>>> print(draw(vertices, edges))
+---+     +---+
| 3 |     | 4 |
+---+    *+---+
  *    **   *
  *  **     *
  * *       *
+---+       *
| 2 |      *
+---+     *
     *    *
      *  *
       **
     +---+
     | 1 |
     +---+