python

Gemini with Vertex AI and LangChain (Python)

Note

This is the Python code for Gemini in Java with Vertex AI and LangChain4j codelab geared towards Python developers to discover Gemini Large Language Model by Google using LangChain framework.

Prerequisites

Before running the samples, it's a good idea to create a Python virtual environment and activate it:

python -m venv .venv
source .venv/bin/activate

Install the dependencies:

pip install -r requirements.txt

You also need to have a Google Cloud account and project ready and set up two environment variables:

export PROJECT_ID=YOUR_PROJECT_ID
export LOCATION=us-central1

Samples

These are the list of samples for different use cases:

• Simple Question & Answer

  python qa.py

• Simple Question & Answer via streaming

  python stream_qa.py

• Hold a conversation with a chatbot

  python conversation.py

• Describing an image with multimodality

  python multimodal.py

• Extracting structured data from unstructured text

  python extract_data.py

• Manipulating prompt templates

  python template_prompt.py

• Text classification & sentiment analysis

  python text_classification.py

• Retrieval Augmented Generation

  python rag.py

• Function calling

  python function_calling.py

• Function calling assistant

  python function_calling_assistant.py

• Multi function calling assistant

  python multi_function_calling_assistant.py

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This is not an official Google product.