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core[patch]: fix API reference for draw_ascii (#29370)

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typo: no `draw` but `draw_ascii` and other things

now, it works:
<img width="688" alt="image"
src="https://github.com/user-attachments/assets/5b5a8cc2-cf81-4a5c-b443-da0e4426556c"
/>

---------

Co-authored-by: Chester Curme <chester.curme@gmail.com>
This commit is contained in:
Wang Ran (汪然) 2025-01-24 00:04:58 +08:00 committed by GitHub
parent 2df9daa7f2
commit 8f2c11e17b
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1 changed files with 31 additions and 18 deletions
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49
libs/core/langchain_core/runnables/graph_ascii.py
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@ -221,24 +221,37 @@ def draw_ascii(vertices: Mapping[str, str], edges: Sequence[LangEdge]) -> str:
str: ASCII representation
Example:
>>> vertices = [1, 2, 3, 4]
>>> edges = [(1, 2), (2, 3), (2, 4), (1, 4)]
>>> print(draw(vertices, edges))
+---+ +---+
| 3 | | 4 |
+---+ *+---+
* ** *
* ** *
* * *
+---+ *
| 2 | *
+---+ *
* *
* *
**
+---+
| 1 |
+---+
.. code-block:: python
from langchain_core.runnables.graph_ascii import draw_ascii
vertices = {1: "1", 2: "2", 3: "3", 4: "4"}
edges = [
(source, target, None, None)
for source, target in [(1, 2), (2, 3), (2, 4), (1, 4)]
]
print(draw_ascii(vertices, edges))
.. code-block:: none
+---+
| 1 |
+---+
* *
* *
* *
+---+ *
| 2 | *
+---+** *
* ** *
* ** *
* **
+---+ +---+
| 3 | | 4 |
+---+ +---+
"""
# NOTE: coordinates might me negative, so we need to shift
# everything to the positive plane before we actually draw it.