1from urllib.request import urlopen
 2import shutil
 3
 4from . import constants
 5from .video import Video
 6
 7
 8def get_subtitles(video_path: str, lang='eng', time_start='0:00', time_end='',
 9                  conf_threshold=65, use_fullframe=False) -> str:
10    # download tesseract data file to ~/tessdata if necessary
11    fpath = constants.TESSDATA_DIR / '{}.traineddata'.format(lang)
12    if not fpath.is_file():
13        if lang == 'eng':
14            url = constants.ENG_URL
15        else:
16            url = constants.TESSDATA_URL.format(lang)
17        constants.TESSDATA_DIR.mkdir(parents=True, exist_ok=True)
18        with urlopen(url) as res, open(fpath, 'w+b') as f:
19            shutil.copyfileobj(res, f)
20
21    v = Video(video_path)
22    v.run_ocr(lang, time_start, time_end, conf_threshold, use_fullframe)
23    return v.get_subtitles()
24
25
26def save_subtitles_to_file(
27        video_path: str, file_path='subtitle.srt', lang='eng',
28        time_start='0:00', time_end='', conf_threshold=65,
29        use_fullframe=False) -> None:
30    with open(file_path, 'w+') as f:
31        f.write(get_subtitles(
32            video_path, lang, time_start, time_end, conf_threshold,
33            use_fullframe))