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docs: runnable module description (#17966)

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Added a module description. Added `batch` description.
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Leonid Ganeline 2024-03-01 10:01:32 -08:00 committed by GitHub
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2 changed files with 21 additions and 1 deletions
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4
libs/core/langchain_core/runnables/__init__.py
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@ -9,7 +9,9 @@ synchronous, asynchronous, batch, and streaming operations.
Support for **async** allows servers hosting LCEL based programs to scale better
for higher concurrent loads.
**Streaming** of intermediate outputs as they're being generated allows for
**Batch** operations allow for processing multiple inputs in parallel.
**Streaming** of intermediate outputs, as they're being generated, allows for
creating more responsive UX.
This module contains schema and implementation of LangChain Runnables primitives.

18
libs/langchain/langchain/runnables/__init__.py
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@ -0,0 +1,18 @@
"""LangChain **Runnable** and the **LangChain Expression Language (LCEL)**.
The LangChain Expression Language (LCEL) offers a declarative method to build
production-grade programs that harness the power of LLMs.
Programs created using LCEL and LangChain Runnables inherently support
synchronous, asynchronous, batch, and streaming operations.
Support for **async** allows servers hosting the LCEL based programs
to scale better for higher concurrent loads.
**Batch** operations allow for processing multiple inputs in parallel.
**Streaming** of intermediate outputs, as they're being generated, allows for
creating more responsive UX.
This module contains non-core Runnable classes.
"""