def label_from_instance(self, obj):
level_indicator = ""
if getattr(obj, self.parent_field):
level_indicator = "--- "
return mark_safe(
level_indicator +
conditional_escape(smart_text(getattr(obj, self.label_field))))
def default(self, o):
if isinstance(o, datetime.datetime):
return o.strftime('%Y-%m-%d %H:%M:%S')
elif isinstance(o, datetime.date):
return o.strftime('%Y-%m-%d')
elif isinstance(o, decimal.Decimal):
return str(o)
elif isinstance(o, ModelBase):
return '%s.%s' % (o._meta.app_label, o._meta.model_name)
else:
try:
return super(JSONEncoder, self).default(o)
except Exception:
return smart_text(o)
def pre_save(self, instance, add):
default = super(AutoSlugField, self).pre_save(instance, add)
if default or not add or not self.populate_from:
return default
value = getattr(instance, self.populate_from)
if value is None:
return default
slug = slugify(smart_text(value))[:self.max_length].strip('-')
# Update the model’s attribute
setattr(instance, self.attname, slug)
return slug
def _uid(self, user):
return ";".join((smart_text(user.pk), smart_text(user.email)))
def _uid(self, user):
return smart_text(user.pk) + smart_text(user.last_login)
def __str__(self):
return smart_text(self.name or '')
def __repr__(self):
return smart_text(self.action_time)