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import os
import zipfile
from datetime import datetime
def backup_topic ( ) :
# 源目录路径
source_dir = r ' d: \ dsWork \ dsProject \ dsLightRag \ Topic '
# 备份目录路径
backup_dir = r ' D: \ dsWork \ dsProject \ dsLightRag \ Backup '
# 创建备份目录（如果不存在）
os . makedirs ( backup_dir , exist_ok = True )
# 生成带时间戳的文件名
timestamp = datetime . now ( ) . strftime ( ' % Y % m %d % H % M % S ' )
zip_filename = f ' { timestamp } .zip '
zip_path = os . path . join ( backup_dir , zip_filename )
# 以最高压缩率创建ZIP文件
with zipfile . ZipFile ( zip_path , ' w ' , zipfile . ZIP_DEFLATED , compresslevel = 9 ) as zipf :
# 遍历源目录中的所有文件和子目录
for root , dirs , files in os . walk ( source_dir ) :
for file in files :
file_path = os . path . join ( root , file )
# 计算相对路径，
relative_path = os . path . relpath ( file_path , source_dir )
zipf . write ( file_path , arcname = relative_path )
print ( f " 备份完成: { zip_path } " )
if __name__ == " __main__ " :
backup_topic ( )
