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I want to modify / change the way the floatformat works.
By default it changes the input decimal as such:
{{ 1.00|floatformat }} -> 1
{{ 1.50|floatformat }} -> 1.5
{{ 1.53|floatformat }} -> 1.53
I want to change this abit as such: If there is a floating part, it should keep the first 2 floating digits. If no floating (which means .00) it should simply cut out the floating part. IE:
{{ 1.00|floatformat }} -> 1
{{ 1.50|floatformat }} -> 1.50
{{ 1.53|floatformat }} -> 1.53
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The floatformat filter takes an n argument for the number of decimal places to round to. Without that argument, it will round to one decimal place unless the decimal value is 0 , in which case it will just output the integer. filter.
Django Template Tags are simple Python functions which accepts a 1 or more value, an optional argument, process those values and return a value to be displayed on the page. First, In your application folder, create a "templatetags" directory at the same level as the models and views.
{% %} and {{ }} are part of Django templating language. They are used to pass the variables from views to template. {% %} is basically used when you have an expression and are called tags while {{ }} is used to simply access the variable.
You can use floatformat to round of the value in django template. If you want to perform more mathematical operations, you can try django-mathfilters. Or you could write your custom template tag and perform the operations in that template tag.
Doesn't using a parameter of -2, as described in the docs you link to, do what you want?
{{ 1.00|floatformat:-2 }}
See Django Docs: https://docs.djangoproject.com/en/2.0/ref/templates/builtins/#floatformat
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