lubo_toolkit/danmaku_xml_helper.py
2022-03-29 16:38:22 +08:00

56 lines
1.8 KiB
Python

import datetime
import os
import argparse
from typing import Union
from bs4 import BeautifulSoup
class NoDanmakuException(Exception):
...
class DanmakuFormatErrorException(Exception):
...
def check_file_exist(file):
if not os.path.isfile(file):
raise FileNotFoundError("文件不存在:%s" % file)
def get_file_start(file: Union[os.PathLike[str], str]) -> float:
with open(file, "r", encoding="utf-8") as f:
soup = BeautifulSoup("".join(f.readlines()), "lxml")
danmaku_item = soup.find("d")
if danmaku_item is None:
# 没有弹幕?
raise NoDanmakuException()
danmaku_info = danmaku_item["p"]
split_info = danmaku_info.split(",")
if len(split_info) < 5:
raise DanmakuFormatErrorException()
bias_sec = float(split_info[0])
bias_ts_ms = int(split_info[4])
return bias_ts_ms / 1000 - bias_sec
def diff_danmaku_files(base_file: Union[os.PathLike[str], str], file: Union[os.PathLike[str], str]) -> float:
return get_file_start(file) - get_file_start(base_file)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument("base", help="以此为标准")
parser.add_argument("file", nargs="+", help="需要对齐的文件")
args = parser.parse_args()
check_file_exist(args.base)
base_start_ts = get_file_start(args.base)
base_start = datetime.datetime.fromtimestamp(base_start_ts)
print("[+] 基准文件[{:s}],开始时间:{:.3f},时间:{}".format(args.base, base_start_ts, base_start))
for _file in args.file:
check_file_exist(_file)
file_start_ts = get_file_start(_file)
diff_sec = file_start_ts - base_start_ts
print("[+] 待调整文件[{:s}],开始时间:{:.3f},偏差:{:.3f}".format(_file, file_start_ts, diff_sec))