What is this?

BART Large MNLI as a JSON web API

• Basically a web wrapper around this: https://huggingface.co/facebook/bart-large-mnli

Dev Set Up

1. Ensure Python3 is installed

which python3

2. Pip Install Pytorch

• Find the exact Pytorch installation needed for your environment https://pytorch.org/get-started/locally/
• But for Mac, it's

pip3 install torch

3. Install transformers

pip3 install transformers

4. Install flask

pip3 install flask

5. Run flask

cd app
export FLASK_APP=main
export FLASK_ENV=development
flask run

6. Test it out

curl -X POST http://localhost:5000/transform -d '{"sequence_to_classify": "one day I will see the world", "candidate_labels":["travel","cooking","dancing"]}' -H 'Content-Type: application/json'

Heroku support

• Note the presence of requirements.txt, Procfile, and wsgi.py. This app can be pushed to Heroku and it would just work.