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Code Issues 32 Releases Wiki Activity

Add related_query_name to ForeignKey/M2M. Refs #20244

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This commit is contained in:
Andrew Godwin
2013-06-27 14:44:21 +01:00
parent e26b589b8c
commit 99b467f272
3 changed files with 40 additions and 8 deletions
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19
django/db/models/fields/related.py
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@@ -139,7 +139,7 @@ class RelatedField(Field):
# related object in a table-spanning query. It uses the lower-cased
# object_name by default, but this can be overridden with the
# "related_name" option.
return self.rel.related_name or self.opts.model_name
return self.rel.related_query_name or self.rel.related_name or self.opts.model_name
class RenameRelatedObjectDescriptorMethods(RenameMethodsBase):
@@ -826,7 +826,7 @@ class ReverseManyRelatedObjectsDescriptor(object):
class ForeignObjectRel(object):
def __init__(self, field, to, related_name=None, limit_choices_to=None,
parent_link=False, on_delete=None):
parent_link=False, on_delete=None, related_query_name=None):
try:
to._meta
except AttributeError: # to._meta doesn't exist, so it must be RECURSIVE_RELATIONSHIP_CONSTANT
@@ -835,6 +835,7 @@ class ForeignObjectRel(object):
self.field = field
self.to = to
self.related_name = related_name
self.related_query_name = related_query_name
self.limit_choices_to = {} if limit_choices_to is None else limit_choices_to
self.multiple = True
self.parent_link = parent_link
@@ -862,10 +863,10 @@ class ForeignObjectRel(object):
class ManyToOneRel(ForeignObjectRel):
def __init__(self, field, to, field_name, related_name=None, limit_choices_to=None,
parent_link=False, on_delete=None):
parent_link=False, on_delete=None, related_query_name=None):
super(ManyToOneRel, self).__init__(
field, to, related_name=related_name, limit_choices_to=limit_choices_to,
parent_link=parent_link, on_delete=on_delete)
parent_link=parent_link, on_delete=on_delete, related_query_name=related_query_name)
self.field_name = field_name
def get_related_field(self):
@@ -885,21 +886,22 @@ class ManyToOneRel(ForeignObjectRel):
class OneToOneRel(ManyToOneRel):
def __init__(self, field, to, field_name, related_name=None, limit_choices_to=None,
parent_link=False, on_delete=None):
parent_link=False, on_delete=None, related_query_name=None):
super(OneToOneRel, self).__init__(field, to, field_name,
related_name=related_name, limit_choices_to=limit_choices_to,
parent_link=parent_link, on_delete=on_delete
parent_link=parent_link, on_delete=on_delete, related_query_name=related_query_name,
)
self.multiple = False
class ManyToManyRel(object):
def __init__(self, to, related_name=None, limit_choices_to=None,
symmetrical=True, through=None, db_constraint=True):
symmetrical=True, through=None, db_constraint=True, related_query_name=None):
if through and not db_constraint:
raise ValueError("Can't supply a through model and db_constraint=False")
self.to = to
self.related_name = related_name
self.related_query_name = related_query_name
if limit_choices_to is None:
limit_choices_to = {}
self.limit_choices_to = limit_choices_to
@@ -933,6 +935,7 @@ class ForeignObject(RelatedField):
kwargs['rel'] = ForeignObjectRel(
self, to,
related_name=kwargs.pop('related_name', None),
related_query_name=kwargs.pop('related_query_name', None),
limit_choices_to=kwargs.pop('limit_choices_to', None),
parent_link=kwargs.pop('parent_link', False),
on_delete=kwargs.pop('on_delete', CASCADE),
@@ -1141,6 +1144,7 @@ class ForeignKey(ForeignObject):
kwargs['rel'] = rel_class(
self, to, to_field,
related_name=kwargs.pop('related_name', None),
related_query_name=kwargs.pop('related_query_name', None),
limit_choices_to=kwargs.pop('limit_choices_to', None),
parent_link=kwargs.pop('parent_link', False),
on_delete=kwargs.pop('on_delete', CASCADE),
@@ -1340,6 +1344,7 @@ class ManyToManyField(RelatedField):
kwargs['verbose_name'] = kwargs.get('verbose_name', None)
kwargs['rel'] = ManyToManyRel(to,
related_name=kwargs.pop('related_name', None),
related_query_name=kwargs.pop('related_query_name', None),
limit_choices_to=kwargs.pop('limit_choices_to', None),
symmetrical=kwargs.pop('symmetrical', to == RECURSIVE_RELATIONSHIP_CONSTANT),
through=kwargs.pop('through', None),