pip install -r requirements.txt Now we are ready to start developing our REST API. Hello World The first endpoint code: ### First Steps: Your Hello World Flask API Here’s how to build your first minimal Flask REST API: ```python from flask import Flask app = Flask(_...
Flask is a very popular web framework written in Python and used by many developers worldwide. The Apache is the Web server where requests are coming to the application, and the Mod WSGI is the Apache module that implements a WSGI-compliant interface for hosting Python-based web applications. ...
To install the python3-venv package that provides the venv module run the following command:sudo apt install python3-venvCopy Once the module is installed we are ready to create a virtual environment for our Flask application. 2. Creating a Virtual Environment ...
In the preceding code block, you first import theFlaskobject from theflaskpackage. You then use it to create your Flask application instance with the nameapp. You pass the special variable__name__that holds the name of the current Python module. It’s used to tell the instanc...
In the preceding code block, you first import theFlaskobject from theflaskpackage. You then use it to create your Flask application instance with the nameapp. You pass the special variable__name__that holds the name of the current Python module. It’s used to tell the instance where it...
virtualenv --python=python3 python_test Activate the virtual environment: source bin/activate Create a Sample Flask Application: To demonstrate the process, we will create a simple Flask application. Create a new file for the Flask app:
# How to install python3 on macOS All In One ```sh $ python --version # Python 2.7.15 $ python3 --version # not found ```  < Flask application instance > needs to be replaced with the instan...