Source code for templatetags.crispy_forms_filters
# -*- coding: utf-8 -*-
from django.conf import settings
from django.forms import forms
from django.forms.formsets import BaseFormSet
from django.template import Context
from django.template.loader import get_template
from django.utils.safestring import mark_safe
from django import template
from crispy_forms.compatibility import lru_cache
from crispy_forms.exceptions import CrispyError
from crispy_forms.utils import flatatt, TEMPLATE_PACK
@lru_cache()
@lru_cache()
register = template.Library()
@register.filter(name='crispy')
@register.filter(name='as_crispy_errors')
[docs]def as_crispy_errors(form, template_pack=TEMPLATE_PACK):
"""
Renders only form errors the same way as django-crispy-forms::
{% load crispy_forms_tags %}
{{ form|as_crispy_errors }}
or::
{{ form|as_crispy_errors:"bootstrap" }}
"""
if isinstance(form, BaseFormSet):
template = get_template('%s/errors_formset.html' % template_pack)
c = Context({'formset': form})
else:
template = get_template('%s/errors.html' % template_pack)
c = Context({'form': form})
return template.render(c)
@register.filter(name='as_crispy_field')
[docs]def as_crispy_field(field, template_pack=TEMPLATE_PACK):
"""
Renders a form field like a django-crispy-forms field::
{% load crispy_forms_tags %}
{{ form.field|as_crispy_field }}
or::
{{ form.field|as_crispy_field:"bootstrap" }}
"""
if not isinstance(field, forms.BoundField) and settings.DEBUG:
raise CrispyError('|as_crispy_field got passed an invalid or inexistent field')
template = get_template('%s/field.html' % template_pack)
c = Context({'field': field, 'form_show_errors': True, 'form_show_labels': True})
return template.render(c)
@register.filter(name='flatatt')
[docs]def flatatt_filter(attrs):
return mark_safe(flatatt(attrs))