Python django.db.models.Lookup() Examples
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code examples of django.db.models.Lookup().
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Example #1
Source File: tests.py From djongo with GNU Affero General Public License v3.0 | 6 votes |
def test_custom_exact_lookup_none_rhs(self): """ __exact=None is transformed to __isnull=True if a custom lookup class with lookup_name != 'exact' is registered as the `exact` lookup. """ class CustomExactLookup(models.Lookup): lookup_name = 'somecustomlookup' field = Author._meta.get_field('birthdate') OldExactLookup = field.get_lookup('exact') author = Author.objects.create(name='author', birthdate=None) try: type(field).register_lookup(Exactly, 'exact') self.assertEqual(Author.objects.get(birthdate__exact=None), author) finally: type(field).register_lookup(OldExactLookup, 'exact')
Example #2
Source File: tests.py From djongo with GNU Affero General Public License v3.0 | 6 votes |
def test_custom_exact_lookup_none_rhs(self): """ __exact=None is transformed to __isnull=True if a custom lookup class with lookup_name != 'exact' is registered as the `exact` lookup. """ class CustomExactLookup(models.Lookup): lookup_name = 'somecustomlookup' field = Author._meta.get_field('birthdate') OldExactLookup = field.get_lookup('exact') author = Author.objects.create(name='author', birthdate=None) try: type(field).register_lookup(Exactly, 'exact') self.assertEqual(Author.objects.get(birthdate__exact=None), author) finally: type(field).register_lookup(OldExactLookup, 'exact')