Flask Web Development

Flask is positioned as a go-to framework for Python developers seeking a balance between simplicity and scalability. Its strength lies in rapid development, flexibility, and seamless integration with data science & AI models — making it highly relevant in today’s digital economy.

Syllabus Outline

Module 1: Introduction & Setup

• Overview of Flask and its applications.

• Installing Flask (pip install flask).

• Creating the first Flask app (Hello World).

• Running Flask in development mode.

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Module 2: Dynamic Routing

• Defining routes (@app.route).

• Using dynamic URLs (/user/<name>).

• Handling query parameters.

• Return types: text, HTML, JSON.

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Module 3: Jinja2 Templating

• Project structure: templates/ and static/ folders.

• Rendering HTML templates with render_template().

• Using variables, loops, and conditionals in Jinja2.

• Template inheritance (base templates, blocks, and layouts).

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Module 4: Forms & User Input

• Creating forms with HTML (GET & POST).
• Handling form submissions in Flask (request.form).
• Redirects and flashing messages.
• Basic validation and error handling.

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Module 5: Frontend Integration

• Adding static assets (CSS, JS, images).

• Using url_for() for linking assets.

• JavaScript fetch, Flask API.

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Module 6: Connecting to a Database

• Introduction to databases in Flask.

• Using MySQL for local development.

• CRUD operations (Create, Read, Update, Delete).

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Module 7: Project Work

👉 Build a To-Do Web Application with Flask

• Features:

  • Add, view, update, delete tasks.

  • Store tasks in MySQL database.

  • Extend with login/authentication (optional advanced).

Other Project Ideas:

• Blog Website (posts, comments).

• Stock Dashboard (integrate with Yahoo Finance API).