Easiest Way to Convert a PDF to JSON using LangChain Output Parsers

Описание: This video tutorial demonstrates how to convert a PDF to JSON using LangChain's Output Parsers and GPT.

A task like this used to be complicated but can now be done in a few minutes thanks to the advancements in the field of AI and LLMs.

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👉 LangChain Expression Language (LCEL): https://python.langchain.com/docs/exp...

👉 Read the blog post: https://www.gettingstarted.ai/how-to-...

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Timeline:

00:00 Introduction
01:24 Setting up a virtual environment
02:03 Installing LangChain
02:19 Importing libraries and ingesting PDF
04:13 Defining Pydantic object with fields to extract
06:26 Using JsonOutputParser with the Pydantic object
07:03 Creating a PromptTemplate
09:28 Importing ChatOpenAI and Putting everything together
10:33 Creating and invoking the chain
12:33 Running the application