Python Flask Projects with Source Code (Beginners to Advanced)

Flask, a Python web application framework, was created by Armin Ronacher. Known for its lightweight and efficient nature, Flask is designed for quick starts and accommodates complex applications. It is based on the Werkzeug WSGI toolkit and Jinja2 template engine.

In this article, we’ve curated a list of the best Python Flask projects for all skill levels, from beginner, intermediate to advanced. So, get ready to build amazing Flask-based projects and enhance your data science and machine learning skills! Whether you’re diving into Flask software development for the first time or looking to expand your expertise, these projects offer valuable learning opportunities.

Python Projects with Source Code for Beginners

• Login and Registration Project Using Flask and MySQL
• Create Contact Us using WTForms in Flask
• Todo list app using Flask | Python
• Build a Flask application to validate CAPTCHA
• How to write a simple Flask API for hello world?
• Flask project – Create a Joke App with PyJokes
• Create a Weather app using Flask | Pyt
• Flask NEWS Application Using Newsapi
• Sending Emails Using API in Flask-Mail

Python Projects with Source Code for Intermediate

• Single Page Portfolio Using Flask
• Create Cricket Score API using Web Scraping in Flask
• Create a Bar Chart From a data frame with Plotly and Flask
• Create Scatter Charts in Matplotlib using Flask
• Implement ChatGPT in a Flask Application
• Wikipedia search app using Flask Framework – Python
• Dominos Chatbot using Python

Advanced Python Projects with Source Code

• Profile Application using Python Flask and MySQL
• Twitter Sentiment Analysis WebApp Using Flask
• Wikipedia search app using Flask Framework – Python
• Live Search Using Flask And jQuery
• Autocomplete input suggestions using Python and Flask
• Build a Text Translator Web App using Flask and Azure Cognitive Services
• OAuth Authentication with Flask – Connect to Google, Twitter, and Facebook
• Create GitHub API to fetch user profile images and the number of repositories using Python and Flask
• Image Colour Palette Generator – Flask
• How to Build a Simple Android App with Flask Backend?

Components of a Flask Software Project

To build a successful Flask project, it’s essential to understand its key components:

• Routes: Routes define the URL patterns and the corresponding functions to handle HTTP requests.
• Templates: Templates allow you to separate the presentation layer from the application logic using Jinja2 templates.
• Forms: Forms enable data validation and processing, making it easier to handle user inputs.
• Database: Integrate a database to store and retrieve data efficiently. Common choices include SQLite, MySQL, or PostgreSQL.
• Static Files: Static files such as CSS, JavaScript, and images are essential for the front-end appearance of your application.

Deploying Flask Projects

Once you have completed your Flask project, you’ll want to deploy it for the world to see. Consider the following deployment options:

Deployment Options

• Heroku: A cloud platform that simplifies the deployment process.
• PythonAnywhere: A hosting service specifically designed for Python web applications.
• AWS Elastic Beanstalk: A scalable hosting service from Amazon Web Services.

Advantages of Flask Projects

Flask projects offer several advantages, making them an excellent choice for building web applications:

1. Simplicity: Flask is a simple and intuitive API that allows developers to focus on the core logic of their applications without being loaded down by excessive boilerplate code.
2. Flexibility: Flask provides the freedom to choose the tools and libraries you want to work with, giving you the flexibility to create a personalized web application with Flask software.
3. Easy to Learn: Flask has a design to make it easy for beginners to learn the fundamentals of web development and Python using Flask software.
4. Community and Documentation: Flask has a large community, and its official documentation is well-maintained, making it a developer-friendly framework with Flask software.
5. Scalability: Flask allows starting small and scaling the application as it grows, adding features and components as needed with Flask software.

Flask Projects – FAQs

1. How does routing work in Flask?

Routing in Flask is the process of matching the URL of an incoming request to a specific function in the Flask application. we can define routes using the @app.route() decorator, followed by the URL pattern and the associated view function. Flask will call the appropriate view function when a user accesses the specified URL.

2. Can we use templates in Flask?

Yes, Flask supports the use of templates. Templates allow you to separate the presentation logic (HTML) from the application logic (Python code). Flask uses the Jinja templating engine by default. You can render templates using the render_template() function and pass variables to them for dynamic content.

3. How to serve static files like CSS and JavaScript in Flask?

Flask provides a built-in way to serve static files. You can create a directory called “static” in your project directory and place your CSS, JavaScript, and other static files inside it. Flask will automatically serve these files under the /static/ URL path. In your HTML templates, you can reference these files using the url_for('static', filename='filename.ext') function.