Python Web App Development with Flask Literacy (Beginner Level)

Topics covered

• catch errors that are thrown by HTTP requests by using the exceptions module in the Requests package
• define a route that renders an HTML page when a URL is accessed
• describe the roles of routes in a Flask application and the options available when defining a route function
• generate URLs dynamically using the url_for function
• handle successful and unsuccessful HTTP requests according to the status code of the response
• identify some of the commonly used extensions in Flask applications and recall the purpose they serve
• identify the format of an HTTP Response and parse the data accordingly
• inherit the elements from a base template in a child template HTML file
• install Flask in a virtual environment on your development machine
• install the Python Requests package and set up a workspace
• invoke a GET request that includes parameters
• invoke PUT, OPTIONS, and DELETE requests and recognize the specific use case for each of them
• modify the boilerplate CSS and HTML definitions to customize the look of a web site
• parse a response body containing JSON-formatted data
• recall the features of the Flask framework that are available either out of the box or via extensions
• recognize the need for templates when defining a web site and describe the use of Jinja for this purpose
• recognize when an HTTP request has triggered a redirect, explore the redirect history, and configure the read and connect timeout values for a request
• retrieve metadata for a resource by means of a HEAD request
• submit data to pastebin.com using their APIs and with a POST request
• write the code for a simple "Hello World" web site using Flask