import shlex
import sys
+from .downloader.external import list_external_downloaders
from .compat import (
compat_expanduser,
compat_getenv,
'--playlist-end',
dest='playlistend', metavar='NUMBER', default=None, type=int,
help='playlist video to end at (default is last)')
+ selection.add_option(
+ '--playlist-items',
+ dest='playlist_items', metavar='ITEM_SPEC', default=None,
+ help='playlist video items to download. Specify indices of the videos in the playlist seperated by commas like: "--playlist-items 1,2,5,8" if you want to download videos indexed 1, 2, 5, 8 in the playlist. You can specify range: "--playlist-items 1-3,7,10-13", it will download the videos at index 1, 2, 3, 7, 10, 11, 12 and 13.')
selection.add_option(
'--match-title',
dest='matchtitle', metavar='REGEX',
authentication.add_option(
'-p', '--password',
dest='password', metavar='PASSWORD',
- help='account password')
+ help='account password. If this option is left out, youtube-dl will ask interactively.')
authentication.add_option(
'-2', '--twofactor',
dest='twofactor', metavar='TWOFACTOR',
'extensions aac, m4a, mp3, mp4, ogg, wav, webm. '
'You can also use the special names "best",'
' "bestvideo", "bestaudio", "worst". '
+ ' You can filter the video results by putting a condition in'
+ ' brackets, as in -f "best[height=720]"'
+ ' (or -f "[filesize>10M]"). '
+ ' This works for filesize, height, width, tbr, abr, vbr, and fps'
+ ' and the comparisons <, <=, >, >=, =, != .'
+ ' Formats for which the value is not known are excluded unless you'
+ ' put a question mark (?) after the operator.'
+ ' You can combine format filters, so '
+ '-f "[height <=? 720][tbr>500]" '
+ 'selects up to 720p videos (or videos where the height is not '
+ 'known) with a bitrate of at least 500 KBit/s.'
' By default, youtube-dl will pick the best quality.'
' Use commas to download multiple audio formats, such as'
' -f 136/137/mp4/bestvideo,140/m4a/bestaudio.'
downloader.add_option(
'-R', '--retries',
dest='retries', metavar='RETRIES', default=10,
- help='number of retries (default is %default)')
+ help='number of retries (default is %default), or "infinite".')
downloader.add_option(
'--buffer-size',
dest='buffersize', metavar='SIZE', default='1024',
'--playlist-reverse',
action='store_true',
help='Download playlist videos in reverse order')
+ downloader.add_option(
+ '--xattr-set-filesize',
+ dest='xattr_set_filesize', action='store_true',
+ help='(experimental) set file xattribute ytdl.filesize with expected filesize')
+ downloader.add_option(
+ '--external-downloader',
+ dest='external_downloader', metavar='COMMAND',
+ help='(experimental) Use the specified external downloader. '
+ 'Currently supports %s' % ','.join(list_external_downloaders()))
workarounds = optparse.OptionGroup(parser, 'Workarounds')
workarounds.add_option(
'--bidi-workaround',
dest='bidi_workaround', action='store_true',
help='Work around terminals that lack bidirectional text support. Requires bidiv or fribidi executable in PATH')
+ workarounds.add_option(
+ '--sleep-interval', metavar='SECONDS',
+ dest='sleep_interval', type=float,
+ help='Number of seconds to sleep before each download.')
verbosity = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
verbosity.add_option(
'--write-annotations',
action='store_true', dest='writeannotations', default=False,
help='write video annotations to a .annotation file')
- filesystem.add_option(
- '--write-thumbnail',
- action='store_true', dest='writethumbnail', default=False,
- help='write thumbnail image to disk')
filesystem.add_option(
'--load-info',
dest='load_info_filename', metavar='FILE',
action='store_true', dest='rm_cachedir',
help='Delete all filesystem cache files')
+ thumbnail = optparse.OptionGroup(parser, 'Thumbnail images')
+ thumbnail.add_option(
+ '--write-thumbnail',
+ action='store_true', dest='writethumbnail', default=False,
+ help='write thumbnail image to disk')
+ thumbnail.add_option(
+ '--write-all-thumbnails',
+ action='store_true', dest='write_all_thumbnails', default=False,
+ help='write all thumbnail image formats to disk')
+ thumbnail.add_option(
+ '--list-thumbnails',
+ action='store_true', dest='list_thumbnails', default=False,
+ help='Simulate and list all available thumbnail formats')
+
postproc = optparse.OptionGroup(parser, 'Post-processing Options')
postproc.add_option(
'-x', '--extract-audio',
postproc.add_option(
'--fixup',
metavar='POLICY', dest='fixup', default='detect_or_warn',
- help='(experimental) Automatically correct known faults of the file. '
+ help='Automatically correct known faults of the file. '
'One of never (do nothing), warn (only emit a warning), '
- 'detect_or_warn(check whether we can do anything about it, warn '
- 'otherwise')
+ 'detect_or_warn(the default; fix file if we can, warn otherwise)')
postproc.add_option(
'--prefer-avconv',
action='store_false', dest='prefer_ffmpeg',
parser.add_option_group(selection)
parser.add_option_group(downloader)
parser.add_option_group(filesystem)
+ parser.add_option_group(thumbnail)
parser.add_option_group(verbosity)
parser.add_option_group(workarounds)
parser.add_option_group(video_format)