You then import theSQLAlchemyclass from the Flask-SQLAlchemy extension, which gives you access to all the functions and classes from SQLAlchemy, in addition to helpers, and functionality that integrates Flask with SQLAlchemy. You’ll use it to create a database object that...
Flask API is defined as a methodology to make HTTP calls to the server to get the data to populate the dynamic parts of the application. Flask is a framework that allows users to fetch data for the server, and corresponding to the use case, API is the most preferred methodology. The dat...
In order to start working with the REST API through Python, you will need to connect a library to send HTTP requests. The choice of the library depends on the version of Python. If you use Python 2, we recommend using unirest because of its simplicity, speed, and ability to work with ...
Flask is basically a micro web application framework written in Python. Developers often use Flask for making web applications, HTTP request management, and template rendering. By “micro web application,” we mean that it is not a full-stack framework. The term micro refers to making the core...
app.py: This is where we will write the Flask API to use our saved model for predicting the cost of used cars and serving it as an API. Model: The directory that stores the saved model.pkl file requirements.txt: This file contains all the modules required for the project. We will use...
app=Flask(__name__)@app.route('/')defhello():returnrender_template('index.html') Copy Save and close the file. In this code block, you import theFlaskclass and therender_template()function from theflaskpackage. You use theFlaskclass to create your Flask application instance namedapp. The...
In the new folder, create a Python environment for Flask application and also activate it to use the application: $python3-mvenv venv&&sourcevenv/bin/activate When the Python environment is activated, we will use “pip” to install the Python package of Flask: ...
Most APIs will feature more than one endpoint. Fortunately, you can create as many custom endpoints as you like in Flask-restful using the api.add_resource method. You can also use individual components of a path to create endpoints, such as the following: ...
Use Postman to call the /publish API: Send the message Hello from Flask to the /flask/mqtt topic. We can see the message sent from Flask in MQTTX. Complete code from flask import Flask, request, jsonify from flask_mqtt import Mqtt app = Flask(__name__) app.config['MQTT_BROKER_URL'...
Product analytics enable you to gather and analyze data about how users interact with your Python app. To show you how to set up analytics, in this tutorial we create a basic Python app with Flask, add PostHog, and use it to capture events and create insights. ...