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Viewing changes to django/contrib/contenttypes/generic.py

  • Committer: Package Import Robot
  • Author(s): Luke Faraone, Jakub Wilk, Luke Faraone
  • Date: 2013-05-09 15:10:47 UTC
  • mfrom: (1.1.21) (4.4.27 sid)
  • Revision ID: package-import@ubuntu.com-20130509151047-aqv8d71oj9wvcv8c
Tags: 1.5.1-2
[ Jakub Wilk ]
* Use canonical URIs for Vcs-* fields.

[ Luke Faraone ]
* Upload to unstable.

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Lines of Context:
django/contrib/contenttypes/generic.py
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"""
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Classes allowing "generic" relations through ContentType and object-id fields.
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"""
 
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from __future__ import unicode_literals
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from collections import defaultdict
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from functools import partial
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from operator import attrgetter
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from django.core.exceptions import ObjectDoesNotExist
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from django.db import connection
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from django.forms.models import BaseModelFormSet, modelformset_factory, save_instance
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from django.contrib.admin.options import InlineModelAdmin, flatten_fieldsets
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from django.contrib.contenttypes.models import ContentType
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from django.utils.encoding import smart_unicode
 
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from django.utils.encoding import smart_text
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class GenericForeignKey(object):
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    """
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    def __set__(self, instance, value):
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        if instance is None:
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            raise AttributeError(u"%s must be accessed via instance" % self.related.opts.object_name)
 
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            raise AttributeError("%s must be accessed via instance" % self.related.opts.object_name)
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        ct = None
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        fk = None
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    def value_to_string(self, obj):
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        qs = getattr(obj, self.name).all()
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        return smart_unicode([instance._get_pk_val() for instance in qs])
 
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        return smart_text([instance._get_pk_val() for instance in qs])
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    def m2m_db_table(self):
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        return self.rel.to._meta.db_table
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                    set(obj._get_pk_val() for obj in instances)
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                }
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            qs = super(GenericRelatedObjectManager, self).get_query_set().using(db).filter(**query)
 
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            # We (possibly) need to convert object IDs to the type of the
 
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            # instances' PK in order to match up instances:
 
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            object_id_converter = instances[0]._meta.pk.to_python
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            return (qs,
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                    attrgetter(self.object_id_field_name),
 
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                    lambda relobj: object_id_converter(getattr(relobj, self.object_id_field_name)),
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                    lambda obj: obj._get_pk_val(),
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                    False,
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                    self.prefetch_cache_name)
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                                  max_num=None,
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                                  formfield_callback=None):
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    """
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    Returns an ``GenericInlineFormSet`` for the given kwargs.
 
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    Returns a ``GenericInlineFormSet`` for the given kwargs.
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    You must provide ``ct_field`` and ``object_id`` if they different from the
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    defaults ``content_type`` and ``object_id`` respectively.