class Preferences(models.Model):
singleton = SingletonManager()
class Meta:
abstract = True
def __unicode__(self):
return self._meta.verbose_name_plural.capitalize()
def preferences_class_prepared(sender, *args, **kwargs):
cls = sender
if issubclass(cls, Preferences):
# add singleton manager to subclasses
cls.add_to_class('singleton', SingletonManager())
# add property for preferences object to preferences.preferences
setattr(preferences.Preferences, cls._meta.object_name,
property(lambda x: cls.singleton.get()))
def preferences_class_prepared(sender, *args, **kwargs):
"""
Adds various preferences members to preferences.preferences,
thus enabling easy access from code.
"""
cls = sender
if issubclass(cls, Preferences):
# Add singleton manager to subclasses.
cls.add_to_class('singleton', SingletonManager())
# Add property for preferences object to preferences.preferences.
setattr(preferences.Preferences, cls._meta.object_name, property(lambda x: cls.singleton.get()))
class Preferences(models.Model):
singleton = SingletonManager()
sites = models.ManyToManyField('sites.Site', null=True, blank=True)
def __unicode__(self):
"""
Include site names.
"""
site_names = [site.name for site in self.sites.all()]
prefix = self._meta.verbose_name_plural.capitalize()
if len(site_names) > 1:
return '%s for sites %s and %s.' % (prefix, ', '.\
join(site_names[:-1]), site_names[-1])
elif len(site_names) == 1:
return '%s for site %s.' % (prefix, site_names[0])
return '%s without assigned site.' % prefix
class Preferences(models.Model):
singleton = SingletonManager()
