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from django import forms
from django.utils.translation import ugettext_lazy as _
from django.contrib.contenttypes.models import ContentType
from attachments.models import Attachment
from attachments.conf import settings
class AttachmentForm(forms.ModelForm):
attachment_file = forms.FileField(label=_('Upload attachment'))
def clean(self):
data = self.cleaned_data.get('attachment_file')
try:
allowed_types = tuple(settings.ALLOWED_TYPES.split(' '))
if not data.name.lower().endswith(allowed_types):
raise forms.ValidationError(_('Filetype not allowed.'))
except AttributeError:
pass
try:
if settings.MAX_QUOTA and data._size > settings.MAX_QUOTA:
raise forms.ValidationError(_('You are exceeding your allowed space.'))
except AttributeError:
pass
return self.cleaned_data
class Meta:
model = Attachment
fields = ('attachment_file',)
def save(self, request, obj, *args, **kwargs):
self.instance.creator = request.user
self.instance.content_type = ContentType.objects.get_for_model(obj)
self.instance.object_id = obj.id
super(AttachmentForm, self).save(*args, **kwargs)
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