From the course: Flask Essential Training
Join today to access over 25,500 courses taught by industry experts.
View functions
From the course: Flask Essential Training
View functions
- [Instructor] View functions are Python functions that are called when a specific route is accessed. And these functions handle the logic of what happens when a user requests a particular URL, which is essential for delivering dynamic content and interactions in your app. Let's write a view function to display a post. We have a home route defined. I have a little posts dictionary. We type the decorator, and this is going to be post/1. And here we define a function. show_post. And inside, we save the first post in the post variable. And next we return some HTML. Open a paragraph tag, and here we display the content of the post, and we close the tag. Let's give ourselves a little bit of space. All right, so the App route post, for the first post, this line uses the route decorator to tell Flask that the function show_post should handle requests to the URL path for the first post. It effectively maps the URL /post/1 to this function. This line defines the view function itself. So…
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.