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文本编码另存为 utf-8（字幕编码格式转换
date: 2022-12-07lastmod: 2022-12-07
起因
下载的字幕压缩包是 gbk 编码，vlc 直接导入会显示乱码，转换为 utf-8 编码之后正常显示，因此需要将所有字幕都转换，一个个点开再另存为太繁琐了，考虑还是十多季的字幕，还是脚本好使
代码
"""
作用：将文件夹中的文本文件全都转化为 utf-8 编码，另存在新文件夹中
使用方法:
首先修改代码中 52 行的 dirPath，改成字幕文件夹路径即可
pip install chardet
python main.py
发现非 utf-8 编码文件“CSI.S03E23.Inside.the.Box.720p.WEB-DL.DD5.1.H.264-DNR.srt”，其编码为 GB2312
....
发现非 utf-8 编码文件“CSI.S03E02.The.Accused.Is.Entitled.720p.WEB-DL.DD5.1.H.264-DNR.srt”，其编码为 GB2312
发现非 utf-8 编码文件“CSI.S03E01.Revenge.Is.Best.Served.Cold.720p.WEB-DL.DD5.1.H.264-DNR.srt”，其编码为 GB2312
总计23个文件，其中23个非 utf-8 编码，转换后的保持路径为 /tmp/CSI.S03.720p.WEB-DL.DD5.1.H.264-DNR-utf
参考: https://blog.csdn.net/qq_42992919/article/details/100100371
"""
from chardet.universaldetector import UniversalDetector
import os
def get_encode_info(file):
with open(file, "rb") as f:
detector = UniversalDetector()
for line in f.readlines():
detector.feed(line)
if detector.done:
break
detector.close()
return detector.result["encoding"]
def read_file(file):
with open(file, "rb") as f:
return f.read()
def write_file(content, file, path):
with open(os.path.join(path, file), "wb") as f:
f.write(content)
def convert_encode2utf8(dirPath, file, original_encode, des_encode, path):
fullPath = os.path.join(dirPath, f)
file_content = read_file(fullPath)
file_decode = file_content.decode(original_encode, "ignore")
file_encode = file_decode.encode(des_encode)
write_file(file_encode, file, path)
if __name__ == "__main__":
dirPath = "/tmp/CSI.S03.720p.WEB-DL.DD5.1.H.264-DNR" # 字幕文本文件的文件夹路径
targetPath = dirPath + "-utf"
os.mkdir(targetPath)
count = 0
for f in os.listdir(dirPath):
fullPath = os.path.join(dirPath, f)
encode_info = get_encode_info(fullPath)
if encode_info != "utf-8":
print("发现非 utf-8 编码文件“%s”，其编码为 %s" % (f, encode_info))
count = count + 1
convert_encode2utf8(dirPath, f, encode_info, "utf-8", targetPath)
print(
"总计%d个文件，其中%d个非 utf-8 编码，转换后的保持路径为 %s"
% (len(os.listdir(dirPath)), count, targetPath)
)
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