truncate string after x characters

[patrickk]

how do I truncate a string (in the template) after a certain amount
of characters?
I know there´s a truncate-filter, but it works with words and not
characters.

thanks,
patrick
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[Stefan Matthias Aust]

Post by patrickk
how do I truncate a string (in the template) after a certain amount
of characters?

It's not difficult to create custom filters. For example

from django.template import Library

register = Library()

@register.filter
def truncate(value, arg):
try:
return value[:int(arg)]
except ValueError:
return value

[Malcolm Tredinnick]

Post by patrickk
how do I truncate a string (in the template) after a certain amount
of characters?
I know there´s a truncate-filter, but it works with words and not
characters.

There's #5025 in Trac.

This shouldn't be seen as any endorsement for that ticket, since I'm not
convinced it belongs in core and haven't really worried about making any
kind of decision. But you can try it out for your own purposes (use it
to create a filter in your app, for example).

Regards,
Malcolm
--
The early bird may get the worm, but the second mouse gets the cheese.
http://www.pointy-stick.com/blog/


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[patrickk]

thanks.

since truncatewords and truncatewords_html are predefined filters, I
guess that truncate should also be one (just my opinion).

patrick

Post by Malcolm Tredinnick

Post by patrickk
how do I truncate a string (in the template) after a certain amount
of characters?
I know there´s a truncate-filter, but it works with words and not
characters.

There's #5025 in Trac.
This shouldn't be seen as any endorsement for that ticket, since I'm not
convinced it belongs in core and haven't really worried about making any
kind of decision. But you can try it out for your own purposes (use it
to create a filter in your app, for example).
Regards,
Malcolm
--
The early bird may get the worm, but the second mouse gets the cheese.http://www.pointy-stick.com/blog/

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[Ceph]

{{ post.subject|slice:":15"|escape }} does the job.

Post by patrickk
thanks.
since truncatewords and truncatewords_html are predefined filters, I
guess that truncate should also be one (just my opinion).
patrick

Post by Malcolm Tredinnick

Post by patrickk
how do I truncate a string (in the template) after a certain amount
of characters?
I know there´s a truncate-filter, but it works with words and not
characters.

There's #5025 in Trac.
This shouldn't be seen as any endorsement for that ticket, since I'm not
convinced it belongs in core and haven't really worried about making any
kind of decision. But you can try it out for your own purposes (use it
to create a filter in your app, for example).
Regards,
Malcolm
--
The early bird may get the worm, but the second mouse gets the cheese.http://www.pointy-stick.com/blog/

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