diff options
Diffstat (limited to 'django/db/models/fields/__init__.py')
| -rw-r--r-- | django/db/models/fields/__init__.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py index 7172cf1a55..7ace8878aa 100644 --- a/django/db/models/fields/__init__.py +++ b/django/db/models/fields/__init__.py @@ -11,6 +11,7 @@ from itertools import tee from django.apps import apps from django.db import connection +from django.db.models.lookups import default_lookups, RegisterLookupMixin from django.db.models.query_utils import QueryWrapper from django.conf import settings from django import forms @@ -80,7 +81,7 @@ def _empty(of_cls): @total_ordering -class Field(object): +class Field(RegisterLookupMixin): """Base class for all field types""" # Designates whether empty strings fundamentally are allowed at the @@ -101,6 +102,7 @@ class Field(object): 'unique': _('%(model_name)s with this %(field_label)s ' 'already exists.'), } + class_lookups = default_lookups.copy() # Generic field type description, usually overridden by subclasses def _description(self): @@ -514,8 +516,7 @@ class Field(object): except ValueError: raise ValueError("The __year lookup type requires an integer " "argument") - - raise TypeError("Field has invalid lookup: %s" % lookup_type) + return self.get_prep_value(value) def get_db_prep_lookup(self, lookup_type, value, connection, prepared=False): @@ -564,6 +565,8 @@ class Field(object): return connection.ops.year_lookup_bounds_for_date_field(value) else: return [value] # this isn't supposed to happen + else: + return [value] def has_default(self): """ |