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Add option --download-sections to download video partially

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Closes #52, Closes #3932
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pukkandan 2022-06-07 01:43:50 +05:30
parent e0ab98541c
commit 5ec1b6b716
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7 changed files with 123 additions and 55 deletions
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34
yt_dlp/__init__.py
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@ -35,6 +35,7 @@ from .utils import (
GeoUtils,
SameFileError,
decodeOption,
download_range_func,
expand_path,
float_or_none,
int_or_none,
@ -305,20 +306,25 @@ def validate_options(opts):
'Cannot download a video and extract audio into the same file! '
f'Use "{outtmpl_default}.%(ext)s" instead of "{outtmpl_default}" as the output template')
# Remove chapters
remove_chapters_patterns, opts.remove_ranges = [], []
for regex in opts.remove_chapters or []:
if regex.startswith('*'):
dur = list(map(parse_duration, regex[1:].split('-')))
if len(dur) == 2 and all(t is not None for t in dur):
opts.remove_ranges.append(tuple(dur))
def parse_chapters(name, value):
chapters, ranges = [], []
for regex in value or []:
if regex.startswith('*'):
for range in regex[1:].split(','):
dur = tuple(map(parse_duration, range.strip().split('-')))
if len(dur) == 2 and all(t is not None for t in dur):
ranges.append(dur)
else:
raise ValueError(f'invalid {name} time range "{regex}". Must be of the form *start-end')
continue
raise ValueError(f'invalid --remove-chapters time range "{regex}". Must be of the form *start-end')
try:
remove_chapters_patterns.append(re.compile(regex))
except re.error as err:
raise ValueError(f'invalid --remove-chapters regex "{regex}" - {err}')
opts.remove_chapters = remove_chapters_patterns
try:
chapters.append(re.compile(regex))
except re.error as err:
raise ValueError(f'invalid {name} regex "{regex}" - {err}')
return chapters, ranges
opts.remove_chapters, opts.remove_ranges = parse_chapters('--remove-chapters', opts.remove_chapters)
opts.download_ranges = download_range_func(*parse_chapters('--download-sections', opts.download_ranges))
# Cookies from browser
if opts.cookiesfrombrowser:
@ -803,6 +809,8 @@ def parse_options(argv=None):
'max_sleep_interval': opts.max_sleep_interval,
'sleep_interval_subtitles': opts.sleep_interval_subtitles,
'external_downloader': opts.external_downloader,
'download_ranges': opts.download_ranges,
'force_keyframes_at_cuts': opts.force_keyframes_at_cuts,
'list_thumbnails': opts.list_thumbnails,
'playlist_items': opts.playlist_items,
'xattr_set_filesize': opts.xattr_set_filesize,