Jose Portilla Udemy, views and urls django
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Questions and Answers

What is the purpose of the URL patterns?

  • To define the functionalities of a view
  • To connect a view to a route within the application (correct)
  • To pass keyword arguments to a view
  • To connect a route to a template

    • What is the first required argument in a path function call?

  • The view function
  • The name of the route
  • The actual route (correct)
  • The keyword arguments

    • What happens when Django scans the relevant URL patterns list?

  • It finds a matching string route (correct)
  • It passes keyword arguments to the view
  • It creates a new route dynamically
  • It names the URL

    • What is the purpose of the 'name' argument in a path function call?

    <p>To reference a URL elsewhere in Django</p> Signup and view all the answers

    What is the purpose of the 'view' argument in a path function call?

    <p>To connect a view to a route</p> Signup and view all the answers

    What is the purpose of keyword arguments in a path function call?

    <p>To pass additional information to the view</p> Signup and view all the answers

    What is the purpose of defining a URL pattern?

    <p>To connect a view to a route</p> Signup and view all the answers

    What is the purpose of the 'path' function call?

    <p>To connect a view to a route</p> Signup and view all the answers

    What is the primary function of a view in Django?

    <p>To dictate what information is being shown to the client</p> Signup and view all the answers

    What is the main purpose of a URL in Django?

    <p>To dictate where information is shown on the website</p> Signup and view all the answers

    Why do Django views and URLs support dynamic and logic features?

    <p>To handle unknown permutations of web pages</p> Signup and view all the answers

    What happens when a user requests a blog post that has not been created yet?

    <p>The user is shown a 404 error page</p> Signup and view all the answers

    How many urls.py files are typically present in a Django project?

    <p>Multiple at the app level and one at the project level</p> Signup and view all the answers

    What is the purpose of the path and include functions in Django?

    <p>To connect views to URLs</p> Signup and view all the answers

    What is the relationship between a view and a URL in Django?

    <p>A view and URL work in concert to display a web page</p> Signup and view all the answers

    Why is it not possible to know all permutations of a web page in advance?

    <p>Because the number of blog posts is unknown</p> Signup and view all the answers

    Study Notes

    Django Views and URLs

    • A view dictates what information is shown to the client, while a URL dictates where that information is shown on the website.
    • A view and URL work together to create a specific web page on a website.
    • A view can't function alone and needs to be routed through a URL.
    • Not every permutation of a web page can be known in advance, so Django views and URLs support dynamic and logic features.

    Dynamic URLs

    • Dynamic URLs can handle unknown information, such as the number of blog posts on a website.
    • Instead of hardcoding URLs, Django can create dynamic URLs that adapt to new content.

    urls.py Files

    • There are two main urls.py files: one at the project level and one at the app level.
    • Multiple apps can have multiple urls.py files.
    • The view is connected to the URL through the use of path and include Django functions.

    URL Patterns

    • A list of view routes is defined in a list variable called URL patterns.
    • URL patterns are used to connect a view to a URL.

    Connecting Views to URLs

    • A view is connected to a URL using a path function call.
    • The first argument in a path function call is the actual route (URL pattern).
    • Django scans the relevant URL patterns list until it finds a matching string route.
    • The second required argument in a path function call is the actual view.

    Path Function Call Arguments

    • The path function call has two required arguments: the route (URL pattern) and the view.
    • The view argument connects to a function or view defined in the views.py file or the relevant Django app.
    • There are two optional arguments: keyword arguments (passed as a dictionary to the view) and name (allows referencing a URL elsewhere in Django).

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