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truncatestring filter

Author:
pigletto
Posted:
March 6, 2009
Language:
Python
Version:
1.0
Tags:
filter string
Score:
0 (after 0 ratings)

Simple filter that truncates string to specific number of letters. Example usage in template: {{ myvariable|truncatestring:20 }}

if myvariable is "That is my long string", the result will be: "That is my long s...".

Put the code into templatetags/.

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from django.template import Library
register = Library()
from django.template.defaultfilters import stringfilter

@register.filter
@stringfilter
def truncatestring(src, ln):
    ret = src[:ln]
    if len(src)>ln:
        ret = ret[:ln-3]+'...'
    return ret

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