Natural Language Processing with Python Quick Start Guide

Flask for web deployments

Let's begin by getting the imports out of the way:

import loggingimport flaskimport osimport numpy as npfrom flask import Flask, jsonify, render_template, requestfrom sklearn.externals import joblib

I am assuming that as a programmer, you can pick up Flask basics outside this book. Even then, for the sake of completeness, I am adding the main ideas that are relevant to us:

• The main web app is defined in the Flask module, which is imported from Flask
• jsonify converts any JSON-friendly dictionary into a JSON that can then be returned to the user
• render_template is how we expose HTML pages and web interfaces to our users

Let's begin by declaring our app first:

app = Flask(__name__)

Next, we will use the route ...