.filter .get django code example

Example 1: filter django or

#It is worth to note that it's possible to add Q expressions.
from django.db.models import Q

query = Q(first_name='mark')
query.add(Q(email='[email protected]'), Q.OR)
query.add(Q(last_name='doe'), Q.AND)

queryset = User.objects.filter(query)

Example 2: objects.filter django

>>> Entry.objects.filter(blog_id=4)

Example 3: filter field set in django formds

class AgregarProducto(forms.ModelForm):
    class Meta:
        model   = productos

    def __init__(self, *args, **kwargs):
        user = kwargs.pop('user')
        super(AgregarProducto, self).__init__(*args, **kwargs)
        self.fields['secciones'].queryset = secciones.objects.filter(user=user)