Yes - but you still are doing it strange - you shouldn't use kwargs if you
are sending the parameters and have the parameters in the function - use
the parameters.
In other words:
avn = kwargs['avn']
avd = kwargs['avd']
name = kwargs['name']
That is unnecessary....
Regards,
Andréas
Den ons 22 aug. 2018 kl 16:55 skrev Mike Jones <mike.jo...@paston.co.uk>:
> Ah I was just doing that to prove it was working
>
>
>
> This is the actual tag
>
>
>
> from django import template
>
> from django.conf import settings
>
> from django.utils.html import escape
>
> from band.models import Data
>
>
>
> register = template.Library()
>
>
>
> @register.simple_tag
>
> def do_cost( name, avn, avd, *args, **kwargs ):
>
> avn = kwargs['avn']
>
> avd = kwargs['avd']
>
> name = kwargs['name']
>
> val_set = Data.objects.filter(prop = name).filter(date_period=avd)
>
> avn = 7 #this line is just for testing
>
> if avn >= 7:
>
> for x in val_set:
>
> val = x.full
>
> else:
>
> for x in val_set:
>
> val = x.short
>
> return val
>
>
>
> *From:* django-users@googlegroups.com [mailto:
> django-users@googlegroups.com] *On Behalf Of *Andréas Kühne
> *Sent:* 22 August 2018 15:20
> *To:* django-users@googlegroups.com
> *Subject:* Re: template tag help please?
>
>
>
> Wait a secound, you are doing some very strange things....
>
>
>
> I didn't see this before.
>
>
>
> You have defined the following:
>
> @register.simple_tag
> def do_cost( name, avn, avd, *args, **kwargs ):
> avn = kwargs['avn']
> avd = kwargs['avd']
> name = kwargs['name']
> return name
>
>
>
> The method has 3 parameters that you are sending to it - name, avn and
> avd. They correspond to the values sent to the method in order. So you
> don't need to use the kwargs dictionary - it's unnecessary...
>
> You could just write:
>
> @register.simple_tag
> def do_cost( name, avn, avd, *args, **kwargs ):
> return name
>
>
> Beacause you have sent the name to the method?
>
>
>
> Regards,
>
>
>
> Andréas
>
>
>
>
>
> Den ons 22 aug. 2018 kl 16:09 skrev MikeKJ <mike.jo...@paston.co.uk>:
>
> Thank you Andreas Kuhne, progress
>
>
>
> So this {% load get_cost %}{% do_cost b.name avn avd %} was working quite
> happily but for some reason is now complaining
>
>
>
> *Exception Type:*
>
> TemplateSyntaxError
>
> * Exception Value:*
>
> Caught KeyError while rendering: 'avn'
>
>
>
> Exception Location claims to be get_cost.py in do_cost, line 10 which
> is avn = kwargs['avn']
>
>
>
> but the exception is in the template line {% load get_cost %}{% do_cost
> b.name avn avd %}
>
>
>
>
>
>
>
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