Question

<pre>import os, sys, codecs
from collections import defaultdict
letters = 'abcdefghijklmnopqrstuvwxyz'
bigLetters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'

def countLetters(file):
    results = defaultdict(int)
    for line in file:
        for char in line:
            if char.lower() in letters:
                c = char.lower()
                results[c] += 1
    return results

def main():
    file = codecs.open('szyfrogram.txt','r',encoding='utf-8')
    content = file.readlines()
    file.close()

    dictionary = countLetters(content)

    most_popular = (max(dictionary, key=dictionary.get))
    shift_for_a = 122 - ord(most_popular.lower()) + 1
    saveDecoded(content, shift_for_a,'results_decoded.txt')

def saveDecoded(encoded, shift,file_output):
    decoded = ''
    for line in encoded:
        line = line.strip('\n') 
        for char in line:
            decoded = decoded + move(char,shift)
    output = open(filr_output,mode = 'w')
    output.write(decoded)
    output.close

def move(letter,shift):
    moveletter = letter
    if letter in letters:
        lower_range = 96
        top_range = 122
        moveCharLetters = ord(letter) + shift
        if moveCharLetters > top_range:
            moveCharLetters = lower_range + moveCharLetters-top_range
            moveletter = chr(moveCharLetters)     
        else:
            moveletter = chr(moveCharLetters)    
    elif letter in bigLetters:
        lower_range = 64
        top_range = 90
        moveCharLetters = ord(letter) + shift
        if moveCharLetters > top_range:
            moveCharLetters = lower_range + moveCharLetters-top_range
            moveletter = chr(moveCharLetters)    
        else:
            moveletter = chr(moveCharLetters)       
    else:
        moveletter = letter
    return moveletter

print('countLetters')
main()<code>

追踪（最近一次通话）：文件＆＃34; C：\ Users \ waldemar \ AppData \ Local \ Programs \ Python \ Python35-32 \ Rot14.py＆＃34;，第61行，in 主要（）文件＆＃34; C：\ Users \ waldemar \ AppData \ Local \ Programs \ Python \ Python35-32 \ Rot14.py＆＃34;，第18行，主要 content = file.readlines（）读取线中的文件＆＃34; C：\ Users \ waldemar \ AppData \ Local \ Programs \ Python \ Python35-32 \ lib \ codecs.py＆＃34;，第706行 return self.reader.readlines（sizehint）文件＆＃34; C：\ Users \ waldemar \ AppData \ Local \ Programs \ Python \ Python35-32 \ lib \ codecs.py＆＃34;，第615行，在readlines data = self.read（）文件＆＃34; C：\ Users \ waldemar \ AppData \ Local \ Programs \ Python \ Python35-32 \ lib \ codecs.py＆＃34;，第501行，读取 newchars，decodingbytes = self.decode（data，self.errors） UnicodeDecodeError：＆＃39; utf-8＆＃39;编解码器不能解码位置28中的字节0xea：无效的连续字节

Answer 1

输入文件不是UTF-8，或者content = file.readlines()不会出错。

如果您将输入文件正确保存为UTF-8，则另一个错误是需要以UTF-8编写输出文件：

output = open(file_output,mode = 'w', encoding='utf8')

然后输出文件包含：

Od godziny zerowej mam wachtę na Morzu Lewantyńskim.

需要注意的另一件事是Python 3不需要codecs.open。例如，输出文件只使用内置的Python 3 open。

如何修复错误

1 个答案: