Django forms.py not getting updated with new values from DB

Question

models.py

class Test(models.Model):
    name = models.CharField(max_length=256)
    slug_name = models.CharField(max_length=256)
    template = models.BooleanField("Is Template",default=False)

    @staticmethod
    def template_as_tuple():
        return Test.objects.filter(template=True).values_list('id','name')

forms.py

class Test2(forms.ModelForm):
    templates = forms.ChoiceField(choices=Catalogue.predefined_settings_as_tuple(), required=False)
    path = orms.FileField()

The problem is when i add templates in the models it is not shown in the forms.py. I need to restart the webserver for the updates to be shown

Daniel Roseman · Accepted Answer · 2012-03-26 11:50:11Z

3

Get rid of that staticmethod. Do this in the form instead:

class Test2(forms.ModelForm):
    templates = forms.ModelChoiceField(queryset=Test.objects.filter(template=True))

answered Mar 26, 2012 at 11:50

Daniel Roseman

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Comments

Burhan Khalid · Accepted Answer · 2012-03-26 12:20:22Z

1

@Daniel's answer is correct, but if you will be filtering the objects often, a custom manager might be more appropriate:

class TemplateFilter(models.Manager):
    def get_query_set(self):
        return super(TemplateFilter, self).get_query_set().filter(template=True)

class Test(models.Model):
    name = models.CharField(max_length=256)
    slug_name = models.CharField(max_length=256)
    template = models.BooleanField("Is Template",default=False)

    objects = models.Manager()
    templates = TemplateFilter()

class Test2(forms.ModelForm):
    templates = forms.ModelChoiceField(queryset=Test.templates.all())

answered Mar 26, 2012 at 12:20

Burhan Khalid

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