Django template url tag example

Tags are more complex than variables: Some create text in the output, some control flow by performing loops or logic, and some load external information into the template to be used by later variables. Tags provide arbitrary logic in the rendering process. For example, a tag can output content, serve as a control structure e. An optional note may be inserted in the first tag. For example, this is useful when commenting out code for documenting why the code was disabled.

It produces one of its arguments each time this tag is encountered. The first argument is produced on the first encounter, the second argument on the second encounter, and so forth. Once all arguments are exhausted, the tag cycles to the first argument and produces it again.

To check more about cycle tag, visit — cycle — Django Template Tags extends extends tag is used for inheritance of templates in django. One needs to repeat the same code again and again. Using extends we can inherit templates as well as variables. These clauses are optional. To check more about if tag, visit — if — Django Template Tags for loop for tag loops over each item in an array, making the item available in a context variable. This is basically used as a condition to be followed to check if queryset is empty and what action to be performed in the same scenario.

One can use various boolean operators with Django If Template tag. For example, this is useful when commenting out code for documenting why the code was disabled. Consider a project named geeksforgeeks having an app named geeks.

Refer to the following articles to check how to create a project and an app in Django. Skip to content. Change Language. Related Articles. Table of Contents. Improve Article.

Save Article. Like Article. Last Updated : 23 Sep, How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Django - Simple custom template tag example Ask Question. Asked 10 years, 6 months ago. Active 4 years, 6 months ago. Viewed 82k times. I have users , videos , topics , criterias and ratings A video has a topic A topic has criterias A user can create a video for a given topic A user can rate a video on each criterias given for the concerned topic.

You can see my original post Django - Rating Model Example DetailView Template to get details on the model used I have extended a DetailView template based on the video model to put the list of ratings for the selected video for a given user as extra context.

Improve this question. Community Bot 1 1 1 silver badge. You could simplify your template code if you add helper properties on your models that do some of this for you, for example the rate for loop.

Actually, it would probably be best as a template tag.