Introduction to Flask

Explore Flask, a Python micro framework, with its development server and debugger plus auto-reload. Learn Jinja templating, cookies and sessions, extensions like SQLAlchemy, and how to install it with pip.

Build your first flask application by importing Flask, creating an app instance, and defining routes like / and /high that return messages. Run the server with debug on port 5000.

Explore variable rules in routing with Flask, using url parameters like /user/<username> to customize pages and welcome messages based on user information, supported by MarkupSafe.escape and string placeholders.

Learn how Flask handles http methods using the methods argument to differentiate get and post requests, illustrated by a login form flow with request.method and conditional logic.

Organize static files with a static folder and render dynamic pages using templates and render_template in Flask, employing ginger templating to display hello world or a name.

Learn to access user submitted data via post requests in Flask, handle form data for login credentials, and manage file uploads with multipart form data and secure naming.

Redirect users between routes in flask using the redirect and abort functions, and customize errors with an error handler decorator and render_template for a personalized error page.

Learn the basics of cookies and sessions in Flask, including setting, getting, and tracking cookies, and using session data stored on top of cookies and signed with a secret key.