jtiai

class MyManager(models.Manager):
    use_for_related_fields = True

    def get_query_set(self):
        return super(MyManager, self).get_query_set().filter(is_deleted=False)
      
        
class MyModel(gis_models.Model):
    is_deleted = models.BooleanField(default=False, db_index=True)
    

jtiai

oldfile = open('freeze_old.txt')
newfile = open('freeze_new.txt')

packages = {}

def splitpackage(line):
    result = line.split('==')
    if not len(result) == 2:
        result = line.split('@')