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from django import forms
from django.utils.translation import ugettext as _
from taggit.utils import parse_tags, edit_string_for_tags
class TagWidget(forms.TextInput):
def render(self, name, value, attrs=None):
if value is not None and not isinstance(value, basestring):
value = edit_string_for_tags([o.tag for o in value.select_related("tag")])
return super(TagWidget, self).render(name, value, attrs)
class TagField(forms.CharField):
widget = TagWidget
def clean(self, value):
value = super(TagField, self).clean(value)
try:
return parse_tags(value)
except ValueError:
raise forms.ValidationError(_("Please provide a comma-separated list of tags."))
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