code: def sync(self, *buckets):
          
          if buckets:
              for _bucket in buckets:
                  for key in mimicdb.backend.smembers(tpl.bucket % _bucket):
                      mimicdb.backend.delete(tpl.key % (_bucket, key))
  
                  mimicdb.backend.delete(tpl.bucket % _bucket)
  
                  bucket = self.get_bucket(_bucket, force=True)
  
                  for key in bucket.list(force=True):
                      mimicdb.backend.sadd(tpl.bucket % bucket.name, key.name)
                      mimicdb.backend.hmset(tpl.key % (bucket.name, key.name), dict(size=key.size, md5=key.etag.strip('"')))
          else:
              for bucket in mimicdb.backend.smembers(tpl.connection):
                  for key in mimicdb.backend.smembers(tpl.bucket % bucket):
                      mimicdb.backend.delete(tpl.key % (bucket, key))
  
                  mimicdb.backend.delete(tpl.bucket % bucket)
  
              for bucket in self.get_all_buckets(force=True):
                  for key in bucket.list(force=True):
                      mimicdb.backend.sadd(tpl.bucket % bucket.name, key.name)
                      mimicdb.backend.hmset(tpl.key % (bucket.name, key.name), dict(size=key.size, md5=key.etag.strip('"')))
docs: Sync either a list of buckets or the entire connection.
  
          Force all API calls to S3 and populate the database with the current
          state of S3.
  
          :param \*string \*buckets: Buckets to sync