From the course: Flask Essential Training
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URL parameters
From the course: Flask Essential Training
URL parameters
- [Instructor] URL Parameters allow your application to handle requests more flexibly. They tailor responses to the needs of each user. URL parameters are variables in a URL path that are set to different values based on user's interactions. They allow your app to process user requests dynamically. So by using URL parameters, we can significantly reduce the number of routes we need to write, and make our application cleaner and more scalable. Let's look at an example in the code. So let's see this in action with our blog example. Let's make a couple of changes to the post route. So this route declaration tells Flask to expect an integer as part of the URL, which it captures in post_id, right here. The int notation ensures that this part of the URL is an integer, and it helps Flask understand the kind of data to expect and correctly map the route to the view function. The view function gets triggered when someone visits post with a post_id route. Flask automatically passes the integer…
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