input_keys() — langchain Function Reference
Architecture documentation for the input_keys() function in base.py from the langchain codebase.
Entity Profile
Dependency Diagram
graph TD dbe18f98_113b_e3ec_94bf_b18d78124d3f["input_keys()"] f3cef70e_11b0_61c9_7ec0_7308f4b45056["Chain"] dbe18f98_113b_e3ec_94bf_b18d78124d3f -->|defined in| f3cef70e_11b0_61c9_7ec0_7308f4b45056 style dbe18f98_113b_e3ec_94bf_b18d78124d3f fill:#6366f1,stroke:#818cf8,color:#fff
Relationship Graph
Source Code
libs/langchain/langchain_classic/chains/base.py lines 281–282
def input_keys(self) -> list[str]:
"""Keys expected to be in the chain input."""
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Frequently Asked Questions
What does input_keys() do?
input_keys() is a function in the langchain codebase, defined in libs/langchain/langchain_classic/chains/base.py.
Where is input_keys() defined?
input_keys() is defined in libs/langchain/langchain_classic/chains/base.py at line 281.
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