GetLambdaSource Class — langchain Architecture
Architecture documentation for the GetLambdaSource class in utils.py from the langchain codebase.
Entity Profile
Dependency Diagram
graph TD d6137caa_7fc6_1393_7100_f4815a21c4ee["GetLambdaSource"] ca66092c_447c_d201_0d3c_cfa6ca2cc9d3["utils.py"] d6137caa_7fc6_1393_7100_f4815a21c4ee -->|defined in| ca66092c_447c_d201_0d3c_cfa6ca2cc9d3 6c5e8d9d_3da4_a752_ad31_1d0adcab0808["__init__()"] d6137caa_7fc6_1393_7100_f4815a21c4ee -->|method| 6c5e8d9d_3da4_a752_ad31_1d0adcab0808 f4624ddc_7b0c_cc43_8bf0_766e59bd302e["visit_Lambda()"] d6137caa_7fc6_1393_7100_f4815a21c4ee -->|method| f4624ddc_7b0c_cc43_8bf0_766e59bd302e
Relationship Graph
Source Code
libs/core/langchain_core/runnables/utils.py lines 345–362
class GetLambdaSource(ast.NodeVisitor):
"""Get the source code of a lambda function."""
def __init__(self) -> None:
"""Initialize the visitor."""
self.source: str | None = None
self.count = 0
@override
def visit_Lambda(self, node: ast.Lambda) -> None:
"""Visit a lambda function.
Args:
node: The node to visit.
"""
self.count += 1
if hasattr(ast, "unparse"):
self.source = ast.unparse(node)Defined In
Source
Frequently Asked Questions
What is the GetLambdaSource class?
GetLambdaSource is a class in the langchain codebase, defined in libs/core/langchain_core/runnables/utils.py.
Where is GetLambdaSource defined?
GetLambdaSource is defined in libs/core/langchain_core/runnables/utils.py at line 345.
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