Question

我有一个我正在创建的扫雷游戏的高分文件，并且每次添加新分数后，我希望它按每个分隔线排序。

我正在使用：

def save_score(score):
    name = input("type a name")
    file = open("highscores.txt", "a")
    file.write("Table: "+str(GRID_TILES)+"x"+str(GRID_TILES)+"\t mode:"+str(Dif)+"\t score:"+str(score)+"\t name:"+str(name)+"\n")
    file.close()

以这种格式出现：

table: 10x10    mode: easy    score: 7592    name:Test
table: 5x5      mode: medium  score: 2707    name:Test

如何在file.write或file.close之后对每行进行排序？

我希望它只按表排序。只要7x7的所有表格都是7x7的表格，它的顺序并不重要。

我试过这样做：

def save_score(score):
    name = input("type a name")
    file = open("highscores.txt", "a")
    file.write("table: "+str(GRID_TILES)+"x"+str(GRID_TILES)+"\t mode: "+str(Dif) +"\t score: "+str(score)+"\t name: "+str(name)+"\n")
    file.close()
    file = open("scores.txt", "r")
    file2 = open("highscores.txt", "w")
    file2.writelines(sorted(file, key=lambda line:str(line.split()[0])))
    file.close()
    file2.close()

我希望尽可能缩短我的代码，因为整个扫雷都会占用相当多的代码。

Answer 1

这是一种方式：

import shutil
from tempfile import NamedTemporaryFile


def insert_sorted(file_obj, in_line):
    flag = False
    with NamedTemporaryFile(delete=False, mode="w+") as temp:
        try:
            val = int(in_line.split()[-2])
        except (IndexError, ValueError):
            raise Exception("Invalid format")

        for line in file_obj:
            try:
                lineval = int(line.split()[-2])
            except (IndexError, ValueError):
                print("""following line has an invalid format,\
                and gets escaped\n{}""".format(line))
            else:
                # Write larger score first when we find smaller score
                if lineval <= val:
                    temp.write(in_line)
                    temp.write(line)
                    flag = True
                    break
                else:
                    temp.write(line)

        for line in file_obj:
            temp.write(line)
        # if the score of the in_line is grater than all the lines write it at the trailing.
        if not flag:
            temp.write(in_line)
    return temp

with open(file_name) as f:
    in_line = "table: 10x10    mode: easy    score: 8592    name:Test"
    temp = insert_sorted(f, in_line)
    shutil.move(temp.name, file_name)

Answer 2

def save_score(score):
    name = input("type a name")
    with open("scores.txt", "a") as file:
        file.write("table: {}x{}\t mode: {}\t score: {}\t name: {}\n".format(
                   GRID_TILES, GRID_TILES, Dif, score, name))

    with open("scores.txt") as file, open("highscores.txt", "w") as file2:
        file2.writelines(sorted(file, key=lambda line: line.split()[1]))

感谢Frerich Raabe给我一个答案！

每个折线排序文本文件

2 个答案: