Using python string formatting in a django template

Question

Is there an easy way to use python string formatting from within a django template? That is, I'd like to be able to do something like this in a template

{{ variable|%.3f }}

I know in this case, one can just use

{{ variable|floatformat:3 }}

But I'd really like to be able to generically use any python string format on a django variable. In my system it's inconvenient to have to deal with two different ways to format output (python vs django), so I'd like to standardize. I could write a custom template tag like

{% pyformat variable format="%.3f" %}

or maybe a custom template filter like

{{ variable|pyformat:"%.3f" }}

Do either of these already exist? Will the customer filter work with a string passed in like that?

Leopd · Accepted Answer · 2012-08-28 19:26:17Z

17

{{ variable|stringformat:".3f" }}

Source: http://docs.djangoproject.com/en/dev/ref/templates/builtins/#stringformat

edited Aug 28, 2012 at 19:26

Leopd

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answered Apr 11, 2011 at 21:28

Yuval Adam

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2 Comments

Andy Over a year ago

"This specifier uses Python string formatting syntax, with the exception that the leading "%" is dropped"

okainov Over a year ago

Note lack of space between stringformat and ".3f" is important! If there is space, then it will crash with "stringformat required 2 arguments, 1 provided" exception!

Ignacio Vazquez-Abrams · Accepted Answer · 2011-04-11 21:21:22Z

3

stringformat

answered Apr 11, 2011 at 21:21

Ignacio Vazquez-Abrams

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Comments

hharnisc · Accepted Answer · 2012-05-11 17:55:53Z

0

I had omit the "%":

    {{ variable|stringformat:".3f" }}

answered May 11, 2012 at 17:55

hharnisc

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