Jinja2 template variable if None Object set a default value
How to make a variable in jijna2 default to “” if object is None instead of doing something like this? {% if p … Read more
jinja2
How do I format a date in Jinja2?
Using Jinja2, how do I format a date field? I know in Python I can simply do this: print(car.date_of_manufacture.strftime(‘%Y-%m-%d’)) But how do I … Read more
How to output a comma delimited list in jinja python template?
If I have a list of users say [“Sam”, “Bob”, “Joe”], I want to do something where I can output in my jinja … Read more
Passing HTML to template using Flask/Jinja2
I’m building an admin for Flask and SQLAlchemy, and I want to pass the HTML for the different inputs to my view using … Read more
How to output loop.counter in python jinja template?
I want to be able to output the current loop iteration to my template. According to the docs, there is a loop.counter variable … Read more
Jinja2 shorthand conditional
Say I have this: {% if files %} Update {% else %} Continue {% endif %} In PHP, say, I can write a … Read more
In Jinja2, how do you test if a variable is undefined?
Converting from Django, I’m used to doing something like this: {% if not var1 %} {% endif %} and having it work if … Read more
Set variable in jinja
I would like to know how can I set a variable with another variable in jinja. I will explain, I have got a … Read more
Get lengths of a list in a jinja2 template
How do I get the number of elements in a list in jinja2 template? For example, in Python: print(template.render(products=[???])) and in jinja2 <span>You … Read more