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so I just started reading a book on Django (for beginners) and I came across the following code snipet:
<header> <a href="{% url 'home' %}">Home</a> | <a href="{% url 'about' %}">About</a> </header> {% block content %} {% endblock content %} Could anyone possibly explain to me what is the use of {% block content %} and {% endblock content %}? Thank you very much in advance!
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Introducing {% block %} The block tag is used to define a block that can be overridden by child templates. In other words, when you define a block in the base template, you're saying that this area will be populated with content from a different, child template file.
From the documentation: {% extends variable %} uses the value of variable. If the variable evaluates to a string, Django will use that string as the name of the parent template. If the variable evaluates to a Template object, Django will use that object as the parent template.
Q13:-What does {% include %} does? It will include another template. It will include content from another template having the same templates defined.
block is used for overriding specific parts of a template. In your case, you have a block named content and this is supposed to be overridden by children that inherit from this template. From the examples at The Django Docs.
block is used for overriding specific parts of a template.
In your case, you have a block named content and this is supposed to be overridden by children that inherit from this template.
From the examples at The Django Docs
Template to be extended, named base.html
<head> <link rel="stylesheet" href="style.css"> <title>{% block title %}My amazing site{% endblock %}</title> </head> Overriding Child template
{% extends "base.html" %} {% block title %}My amazing blog{% endblock %} "My amazing site" will be overriden by the child and then display "My amazing blog"
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That's where the power of the templates comes from in a sense.
You can create a hierarchy of templates so start with base.html which might be like you've got above;
<body> {% block content %} {% endblock content %} </body> Then you can create any other template, home.html for example, and do something like;
{% extends "base.html" %} {% block content %} <h1>Welcome</h1> <p>This is the home page</p> {% endblock content %} Then you'd reference home.html in django and it'd include the markup from base.py with the content defined in home.html.
That's the basics, but if you put some templates together using blocks you'll pick it up.
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