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msg() — langchain Function Reference

Architecture documentation for the msg() function in prompt_caching.py from the langchain codebase.

Function python LangChainCore ApiManagement

Entity Profile

Dependency Diagram

graph TD
  d250c889_30fa_dcd3_dba9_ee48f01b1bee["msg()"]
  82799faf_65e6_2297_ad64_9a84f61e2277["prompt_caching.py"]
  d250c889_30fa_dcd3_dba9_ee48f01b1bee -->|defined in| 82799faf_65e6_2297_ad64_9a84f61e2277
  style d250c889_30fa_dcd3_dba9_ee48f01b1bee fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/anthropic/langchain_anthropic/middleware/prompt_caching.py lines 22–27

    msg = (
        "AnthropicPromptCachingMiddleware requires 'langchain' to be installed. "
        "This middleware is designed for use with LangChain agents. "
        "Install it with: pip install langchain"
    )
    raise ImportError(msg) from e

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does msg() do?
msg() is a function in the langchain codebase, defined in libs/partners/anthropic/langchain_anthropic/middleware/prompt_caching.py.
Where is msg() defined?
msg() is defined in libs/partners/anthropic/langchain_anthropic/middleware/prompt_caching.py at line 22.

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