add_errors.py 文件源码

def add_fixed_errors(input_iter, nr_errors, error_type):
    """Simulate sequencing errors for each SeqRecord object in the input iterator.

    :param input_iter: Iterator of SeqRecord objects.
    :para nr_errors: Number of errors to introduce.
    :param error_type: Error type: substitution, insertion or deletion.
    :returns: Generator of SeqRecord objects.
    :rtype: generator
    """
    for record in input_iter:
        mutated_seq = sim_seq.add_errors(record.seq, nr_errors, error_type)
        record.seq = Seq(mutated_seq)
        yield record