This is a web app that can generate emails based on the user's input. The app uses Streamlit and LangChain to create a user interface and a language model. The app allows the user to enter the email topic, sender name, recipient name, and writing style, and then generates an email text by using the language model.

To run this app, you need to have the following:

• Python 3.7 or higher
• Streamlit 1.2.0 or higher
• LangChain 0.1.0 or higher
• CogView Transformers 0.0.1 or higher
• A local file called models/llama-2-7b-chat.ggmlv3.q8_0.bin, which is a quantized version of the Llama-2-7B-Chat model.

To install the required libraries, you can use the following command:

pip install streamlit langchain ctransformers

wget https://huggingface.co/TheBloke/Llama-2-7B-Chat-GGML/tree/main/models/llama-2-7b-chat.ggmlv3.q8_0.bin

To run the app, you can use the following command: streamlit run app.py The app will open in your browser and you can start using it.