Python-сообщество

class KeySetForm(ModelForm):
    key_file = FileField()
    def clean_title(self):
        title = self.cleaned_data['title']
        if KeySet.objects.get(title=title):
            raise ValidationError('"%s" title is not uniq' % title)
        return title
    class Meta:
        model = KeySet
        fields = ('title',)
        widgets = {
            'title': TextInput(),
        }

class KeySet(models.Model):
    title = models.CharField(max_length=32, unique=True)
    keys = models.TextField()
    quantity = models.IntegerField()
    class Meta:
        db_table = "keys"

class KeySetForm(ModelForm):
    keyfile = FileField(required=False)
    quantity = IntegerField(required=False, widget=HiddenInput())
    keys = CharField(required=False, widget=HiddenInput())
    def clean_title(self):
        title = self.cleaned_data['title']
        if KeySet.objects.filter(title=title):
            raise ValidationError('"%s" title is not uniq' % title)
        return title
    def clean_keys(self):
        file = self.files.get('keyfile')
        if file:
            return file.read()
        return self.data.get('keys')
    def clean_quantity(self):
        keys = self.cleaned_data.get('keys')
        print keys
        if keys:
            return len(keys.splitlines())
        return 0
    class Meta:
        model = KeySet
        fields = ('title', 'keys', 'quantity')
        widgets = {
            'title': TextInput(),
        }