I noticed there is built-in add
filter, but I wasn't able to find divide
.
I am new to Django and not sure if there is a such filter.
Django Template Engine provides filters which are used to transform the values of variables;es and tag arguments. We have already discussed major Django Template Tags. Tags can't modify value of a variable whereas filters can be used for incrementing value of a variable or modifying it to one's own need.
What does {{ name }} this mean in Django Templates? {{ name }} will be the output. It will be displayed as name in HTML. The name will be replaced with values of Python variable.
The safe filter indicates that the value is known to be safe and therefore does not need to be escaped. For example, given the following: blurb = '<p>You are <em>pretty</em> smart!</ p>' This would return unescaped HTML to the client: {{ blurb|safe }}
There is not it. But if you are a little hacker....
http://slacy.com/blog/2010/07/using-djangos-widthratio-template-tag-for-multiplication-division/
to compute A*B: {% widthratio A 1 B %}
to compute A/B: {% widthratio A B 1 %}
to compute A^2: {% widthratio A 1 A %}
to compute (A+B)^2: {% widthratio A|add:B 1 A|add:B %}
to compute (A+B) * (C+D): {% widthratio A|add:B 1 C|add:D %}
Also you can create a filter to division in 2 minutes
Using a custom filter:
register = template.Library() @register.filter def divide(value, arg): try: return int(value) / int(arg) except (ValueError, ZeroDivisionError): return None
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