Quick and nasty:
from django.core import template
register = template.Library()
@register.filter(name='commas')
def commas(value):
return "".join(commafy(value))
def commafy(s):
pieces = s.split(".")
l = len(pieces[0])
for i in range(0,l):
if (l - i) % 3 or not i:
yield pieces[0][i]
else:
yield ","
yield pieces[0][i]
if len(pieces) > 1:
yield "." + pieces[1]
value should be a string (eg your preformatted number).
obviously does not care about your locale.
jtm
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