init() — langchain Function Reference

Architecture documentation for the __init__() function in graph_ascii.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ __init__() — langchain Function Reference

Dependency Diagram

graph TD
  ed0555ed_e7b5_cf1d_10e2_0f69d983b69f["__init__()"]
  76bb01c4_195c_1bd6_3c3d_0ecb71e225e5["AsciiCanvas"]
  ed0555ed_e7b5_cf1d_10e2_0f69d983b69f -->|defined in| 76bb01c4_195c_1bd6_3c3d_0ecb71e225e5
  style ed0555ed_e7b5_cf1d_10e2_0f69d983b69f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/graph_ascii.py lines 62–79

    def __init__(self, cols: int, lines: int) -> None:
        """Create an ASCII canvas.

        Args:
            cols: number of columns in the canvas. Should be `> 1`.
            lines: number of lines in the canvas. Should be `> 1`.

        Raises:
            ValueError: if canvas dimensions are invalid.
        """
        if cols <= 1 or lines <= 1:
            msg = "Canvas dimensions should be > 1"
            raise ValueError(msg)

        self.cols = cols
        self.lines = lines

        self.canvas = [[" "] * cols for line in range(lines)]