langchain Architecture Docs
Home / Function/ input_keys() — langchain Function Reference

input_keys() — langchain Function Reference

Architecture documentation for the input_keys() function in test_sequential.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

Dependency Diagram

graph TD
  3b145bb8_096d_5524_06e2_52f7e6f56088["input_keys()"]
  44b18a62_9f79_40e0_f9b2_f3eb9bd8536e["FakeChain"]
  3b145bb8_096d_5524_06e2_52f7e6f56088 -->|defined in| 44b18a62_9f79_40e0_f9b2_f3eb9bd8536e
  style 3b145bb8_096d_5524_06e2_52f7e6f56088 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/chains/test_sequential.py lines 26–28

    def input_keys(self) -> list[str]:
        """Input keys this chain returns."""
        return self.input_variables

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does input_keys() do?
input_keys() is a function in the langchain codebase, defined in libs/langchain/tests/unit_tests/chains/test_sequential.py.
Where is input_keys() defined?
input_keys() is defined in libs/langchain/tests/unit_tests/chains/test_sequential.py at line 26.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free