asstosrt is a tool which can convert Advanced SubStation Alpha (ASS/SSA) subtitle files to SubRip (SRT) files. Many old devices only support SubRip.

Install asstosrt.

# pip install asstosrt

chardet is suggested, which provide auto charset detection.

# pip install charset

Then cd into the directory of ASS/SSA files. Run asstosrt.

$ asstosrt

Done. All converted SRT files will be wrote to current directory.

Run with --help see more.

$ asstosrt --help

Specify input and output encoding, output directory:

$ asstosrt -e utf-8 -s utf-18be -o /to/some/path/

Convert to Simplified Chinese (Using langconv download):

$ asstosrt -t zh-hans -s gb18030 /path/to/some.big5.ass

Convert to Traditional Chinese (Using OpenCC):

# pip install pyopencc
$ asstosrt -c zhs2zht.ini 

Only keep first line for each dialogue and delete all effects:

$ asstosrt --only-first-line --no-effact

You can use asstosrt on your program easily.

import asstosrt

ass_file = open('example.ass')
srt_str = asstosrt.convert(ass_file)

MIT License

Please visit GitHub.