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format_thousands

Author:
cootetom
Posted:
June 28, 2011
Language:
Python
Version:
1.3
Tags:
format string comma decimal number thousands float
Score:
1 (after 3 ratings)

Template filter to format a number so that it's thousands are separated by commas.

{{ number|format_thousands }}

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import re
from django import template
from django.template.defaultfilters import stringfilter

register = template.Library()

@stringfilter
def format_thousands(val):
    '''
    Format a number so that it's thousands are separated by commas. 
    
    1000000 > '1,000,000'
    10000 > '10,000'
    1000.00 > '10,000.00'
    '''
    return ','.join(re.findall('((?:\d+\.)?\d{1,3})', val[::-1]))[::-1]

register.filter('format_thousands', format_thousands)

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Comments

danny_adair (on June 28, 2011):

https://docs.djangoproject.com/en/dev/ref/contrib/humanize/#intcomma

#

cootetom (on June 29, 2011):

Oh had I of found it in humanize I'd not have bothered. I forgot that library existed! Still, it's nice to see a few different solutions to the same problem just for interests sake.

#

percivall (on January 26, 2013):

Also, with modern Python versions: "{:,}".format(val)

#

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