def __get__(self, instance=None, type=None):
if instance == None:
raise AttributeError, "%r is only accessible from %s instances." % (self.attribute_name, type.__name__)
try:
storage = get_setting_storage(*self.key)
return self.to_python(storage.value)
except:
return None
def install_settings(app, created_models, verbosity=2):
printed = False
for class_name, attribute_name, value in defaults:
if not get_setting_storage(app.__name__, class_name, attribute_name):
if verbosity >= 2 and not printed:
# Print this message only once, and only if applicable
print "Installing default settings for %s" % app_label
printed = True
try:
set_setting_value(app.__name__, class_name, attribute_name, value)
except:
raise ImproperlyConfigured("%s requires dbsettings." % app_label)
def customized_editor(user, settings):
"Customize the setting editor based on the current user and setting list"
base_fields = SortedDict()
for setting in settings:
perm = '%s.can_edit_%s_settings' % (
setting.module_name.split('.')[-2],
setting.class_name.lower()
)
if user.has_perm(perm):
# Add the field to the customized field list
storage = get_setting_storage(*setting.key)
kwargs = {
'label': setting.description,
'help_text': setting.help_text,
# Provide current setting values for initializing the form
'initial': setting.to_editor(storage.value),
}
if setting.choices:
field = forms.ChoiceField(choices=setting.choices, **kwargs)
else:
field = setting.field(**kwargs)
base_fields['%s__%s__%s' % setting.key] = field
return type('SettingsEditor', (SettingsEditor,), {'base_fields': base_fields})
