bilibili_v2.py

import sys
import os
import json

# convert invalided character in name of file to chinese character
def file_format(str):
    lt="\\/:*?\"<>|"
    for i in lt:
        if str.find(i) != -1:
            str=str.replace(i,chr(ord(i)+65248))
    return str

def run(path):
    output=""            # ouput path
    videoName=""
    videoId=0
    idWidth=len(str(len(os.listdir(path))))
    if os.path.exists(path):
        for root, dirs, files in os.walk(path):
            if 'entry.json' in files:
                with open(root+'\\'+'entry.json', encoding='utf8') as f:
                    entry=json.load(f)
                    output=file_format(entry['title'])
                    if os.path.exists(output) is False:
                        os.makedirs(output)
                    videoName=file_format(entry['page_data']['part'])
                    videoId=entry['page_data']['page']
            elif 'index.json' in files:
                fileList=list(filter(lambda file:file.endswith('.blv'), files))
                sorted(fileList)
                tempFile=r'filelist'
                with open(tempFile, 'w') as f:
                    for file in fileList:
                        f.write('file \'%s\\%s\'\n' % (root, file))
                cmd='ffmpeg -v warning -f concat -safe 0 -i \"%s\" -c copy \"%s\\%0*d.%s.mkv\" -hide_banner' % (tempFile, output, idWidth, videoId, videoName)
                os.system(cmd)
                os.remove(tempFile)

def main():
    if len(sys.argv)==2:
        run(sys.argv[1])
    else:
        for dir in os.listdir('.'):
            if os.path.isdir(dir):
                run(dir)


main()