Sort_Scores.py

import re
from tname import *
from Rfile import *


def Sort_Scores(file):
    scores = []
    contents = j_reads(file.name)

    for i in range(2, len(contents)):
        if i % 2 == 0:
            # 使用正则表达式
            content = re.match('.*score=(\d.\d+?),', contents[i])
            if content:
                score = content.group(1)
                scores.append(float(score))

    na = Name()
    na = na + r"scores_sort.tsv"  # 结果文件名称

    # 按列表scores中元素的值进行排序，并返回元素对应索引序列
    sorted_id = []
    sorted_id = sorted(range(len(scores)), key=lambda k: scores[k], reverse=True)

    # 第一条序列和其他序列格式不一样，且第一条序列不需要排序，单独写入
    with open(na, "a") as f1:
        f1.write(contents[0])
        f1.write(contents[1])

    for i in range(0, len(scores)):
        with open(na, "a") as f:
            f.write(contents[sorted_id[i] * 2 + 2])
            # 由于文件前两行未参与排序，所以索引要+2
            f.write(contents[sorted_id[i] * 2 + 2 + 1])
    results = j_reads(na)
    return str(results)