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Code Issues 32 Releases Wiki Activity

magic-removal: Renamed RelatedObjectDescriptor to ManyRelatedObjectsDescriptor and created stub for SingleRelatedObjectDescriptor

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git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@2147 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2006-01-28 18:45:04 +00:00
parent feee6d8805
commit b266091a2a
1 changed files with 14 additions and 5 deletions
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19
django/db/models/fields/related.py
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@ -62,11 +62,20 @@ class RelatedField(object):
related = RelatedObject(other, cls, self) related = RelatedObject(other, cls, self)
self.contribute_to_related_class(other, related) self.contribute_to_related_class(other, related)
class RelatedObjectDescriptor(object): class SingleRelatedObjectDescriptor(object):
# This class provides the functionality that makes the related-object # This class provides the functionality that makes the related-object
# managers available as attributes on a model class. # managers available as attributes on a model class, for fields that have
# a single "remote" value.
# In the example "choice.poll", the poll attribute is a
# SingleRelatedObjectDescriptor instance.
pass # Not yet implemented
class ManyRelatedObjectsDescriptor(object):
# This class provides the functionality that makes the related-object
# managers available as attributes on a model class, for fields that have
# multiple "remote" values.
# In the example "poll.choice_set", the choice_set attribute is a # In the example "poll.choice_set", the choice_set attribute is a
# RelatedObjectDescriptor instance. # ManyRelatedObjectsDescriptor instance.
def __init__(self, related, rel_type): def __init__(self, related, rel_type):
self.related = related # RelatedObject instance self.related = related # RelatedObject instance
self.rel_type = rel_type # Either 'o2m' or 'm2m' self.rel_type = rel_type # Either 'o2m' or 'm2m'
@ -188,7 +197,7 @@ class ForeignKey(RelatedField, Field):
setattr(cls, 'get_%s' % self.name, curry(cls._get_foreign_key_object, field_with_rel=self)) setattr(cls, 'get_%s' % self.name, curry(cls._get_foreign_key_object, field_with_rel=self))
def contribute_to_related_class(self, cls, related): def contribute_to_related_class(self, cls, related):
setattr(cls, related.get_accessor_name(), RelatedObjectDescriptor(related, 'o2m')) setattr(cls, related.get_accessor_name(), ManyRelatedObjectsDescriptor(related, 'o2m'))
# TODO: Delete the rest of this function and RelatedObject.OLD_get_accessor_name() # TODO: Delete the rest of this function and RelatedObject.OLD_get_accessor_name()
# to remove support for old-style related lookup. # to remove support for old-style related lookup.
@ -339,7 +348,7 @@ class ManyToManyField(RelatedField, Field):
setattr(cls, 'set_%s' % self.name, curry(cls._set_many_to_many_objects, field_with_rel=self)) setattr(cls, 'set_%s' % self.name, curry(cls._set_many_to_many_objects, field_with_rel=self))
def contribute_to_related_class(self, cls, related): def contribute_to_related_class(self, cls, related):
setattr(cls, related.get_accessor_name(), RelatedObjectDescriptor(related, 'm2m')) setattr(cls, related.get_accessor_name(), ManyRelatedObjectsDescriptor(related, 'm2m'))
# TODO: Delete the rest of this function and RelatedObject.OLD_get_accessor_name() # TODO: Delete the rest of this function and RelatedObject.OLD_get_accessor_name()
# to remove support for old-style related lookup. # to remove support for old-style related lookup.