Aug 5, 2012 · What does this "-" in jinja2 template engine do? Asked 13 years, 4 months ago Modified 3 years, 1 month ago Viewed 33k times

From the Jinja2 template designer documentation: {% if variable is defined %} value of variable: {{ variable }} {% else %} variable is not defined {% endif %}

How do I get the number of elements in a list in jinja2 template? For example, in Python:

Using Django templating engine I can include another partial template while setting a custom context using named arguments, like this: {% include "list.html" with articles=articles_list1 only %} {%

So I am new to Django and can use some help. I have used a for loop to display a list from my database. But I want to add an if statement such that, if the user input matches my database item, …

Aug 18, 2014 · I serve dynamic pages from Jinja2 templates in Flask. Now I am defining client-side templates in say, Jinja2-clone Nunjucks inside a script tag. Problem is, the client-side templates has …

I would like to know how can I set a variable with another variable in Jinja. I have got a submenu and I would like to show which link is active. I tried this: {% set active_link = {{recordtype}} -...

May 30, 2025 · When I change file type to test.jinja2, it works fine but Markdown structure disappear. So how can I configure syntax highlight features for the special 'jinja2' code block?

Turns out that + and - are there for whitespace control purpose. You can manually disable the lstrip_blocks behavior by putting a plus sign (+) at the start of a block [...] You can also strip …

Oct 7, 2017 · I am trying to get all undefined variables from a Jinja2 template. Assume that I have a template like below.