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Jan 10, 2025
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[E-2] 03-OutputParser / 02-CommaSeparatedListOutputParser #207

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8 changes: 4 additions & 4 deletions 13-LangChain-Expression-Language/09-Generator.ipynb
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Expand Up @@ -15,14 +15,14 @@
"\n",
"## Overview\n",
"\n",
"This tutorial demonstrates how to use a **user-defined generator** (or async generator) in a LangChain pipeline to process text outputs in a streaming fashion. Specifically, we’ll show how to parse a comma-separated string output into a Python list, all while maintaining the benefits of streaming from a Language Model.\n",
"This tutorial demonstrates how to use a **user-defined generator** (or async generator) in a `LangChain` pipeline to process text outputs in a streaming fashion. Specifically, we’ll show how to parse a comma-separated string output into a Python list, all while maintaining the benefits of streaming from a Language Model.\n",
"\n",
"We will also cover asynchronous usage, showing how to adopt the same approach with async generators. By the end of this tutorial, you’ll be able to:\n",
"\n",
"Implement a custom generator function that can handle streaming outputs\n",
"Parse comma-separated text chunks into a list in real time\n",
"Use both synchronous and asynchronous approaches for streaming\n",
"Integrate these parsers in a LangChain chain\n",
"Integrate these parsers in a `LangChain` chain\n",
"Optionally, explore how `RunnableGenerator` can help implement custom generator transformations in a streaming context\n",
"\n",
"### Table of Contents\n",
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"\n",
"### Why Use `RunnableGenerator`?\n",
"- Modularity: Easily encapsulate your parsing logic as a “runnable” component.\n",
"- Consistency: The `RunnableGenerator` interface (`invoke`, `stream`, `ainvoke`, `astream`) is consistent with other LangChain runnables.\n",
"- Extendability: Combine multiple runnables (e.g., `RunnableLambda`, `RunnableGenerator`) in sequence for more complex transformations. "
"- Consistency: The `RunnableGenerator` interface ( `invoke` , `stream` , `ainvoke` , `astream` ) is consistent with other LangChain runnables.\n",
"- Extendability: Combine multiple runnables (e.g., `RunnableLambda` , `RunnableGenerator` ) in sequence for more complex transformations. "
]
},
{
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