def update_seqs(self, name, seqs):
if not self._have_lock: raise LockError("<STR_LIT>")<EOL>success, DNEs = [], []<EOL>for seq in seqs:<EOL><INDENT>if seq not in self:<EOL><INDENT>DNEs.append(seq)<EOL>continue<EOL><DEDENT>success.append(seq)<EOL><DEDENT>if DNEs: _logger.error("<STR_LIT>".format(name, DNEs))<EOL>if success: _logger.info("<STR_LIT>".format(name, success))<EOL>return success, DNEs<EOL>
Validate sequences to be updated. (Caller is responsible for actual updating.)
        Returns (successes, DNEs)