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[docs] Fix some mistakes and improve doc

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pukkandan 2021-08-07 14:19:17 +05:30
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2
Changelog.md
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@ -317,7 +317,7 @@ ### 2021.05.20
* Add `html5=1` param to `get_video_info` page requests by [coletdjnz](https://github.com/coletdjnz)
* Better message when login required
* **Add option `--print`**: to print any field/template
* Deprecates: `--get-description`, `--get-duration`, `--get-filename`, `--get-format`, `--get-id`, `--get-thumbnail`, `--get-title`, `--get-url`
* Makes redundant: `--get-description`, `--get-duration`, `--get-filename`, `--get-format`, `--get-id`, `--get-thumbnail`, `--get-title`, `--get-url`
* Field `additional_urls` to download additional videos from metadata using [`--parse-metadata`](https://github.com/yt-dlp/yt-dlp#modifying-metadata)
* Merge youtube-dl: Upto [commit/dfbbe29](https://github.com/ytdl-org/youtube-dl/commit/dfbbe2902fc67f0f93ee47a8077c148055c67a9b)
* Write thumbnail of playlist and add `pl_thumbnail` outtmpl key

74
README.md
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@ -240,10 +240,10 @@ ## General Options:
(default) (Alias: --no-abort-on-error)
--abort-on-error Abort downloading of further videos if an
error occurs (Alias: --no-ignore-errors)
--dump-user-agent Display the current browser identification
--list-extractors List all supported extractors
--dump-user-agent Display the current user-agent and exit
--list-extractors List all supported extractors and exit
--extractor-descriptions Output descriptions of all supported
extractors
extractors and exit
--force-generic-extractor Force extraction to use the generic
extractor
--default-search PREFIX Use this prefix for unqualified URLs. For
@ -551,8 +551,8 @@ ## Thumbnail Options:
--no-write-thumbnail Do not write thumbnail image to disk
(default)
--write-all-thumbnails Write all thumbnail image formats to disk
--list-thumbnails Simulate and list all available thumbnail
formats
--list-thumbnails List available thumbnails of each video.
Simulate unless --no-simulate is used
## Internet Shortcut Options:
--write-link Write an internet shortcut file, depending
@ -564,30 +564,34 @@ ## Internet Shortcut Options:
--write-desktop-link Write a .desktop Linux internet shortcut
## Verbosity and Simulation Options:
-q, --quiet Activate quiet mode
-q, --quiet Activate quiet mode. If used with
--verbose, print the log to stderr
--no-warnings Ignore warnings
-s, --simulate Do not download the video and do not write
anything to disk
--no-simulate Download the video even if printing/listing
options are used
--ignore-no-formats-error Ignore "No video formats" error. Usefull
for extracting metadata even if the video
is not actually available for download
for extracting metadata even if the videos
are not actually available for download
(experimental)
--no-ignore-no-formats-error Throw error when no downloadable video
formats are found (default)
--skip-download Do not download the video but write all
related files (Alias: --no-download)
-O, --print TEMPLATE Simulate, quiet but print the given fields.
Either a field name or similar formatting
as the output template can be used
-j, --dump-json Simulate, quiet but print JSON information.
See "OUTPUT TEMPLATE" for a description of
available keys
-J, --dump-single-json Simulate, quiet but print JSON information
for each command-line argument. If the URL
refers to a playlist, dump the whole
playlist information in a single line
--print-json Be quiet and print the video information as
JSON (video is still being downloaded)
-O, --print TEMPLATE Quiet, but print the given fields for each
video. Simulate unless --no-simulate is
used. Either a field name or same syntax as
the output template can be used
-j, --dump-json Quiet, but print JSON information for each
video. Simulate unless --no-simulate is
used. See "OUTPUT TEMPLATE" for a
description of available keys
-J, --dump-single-json Quiet, but print JSON information for each
url or infojson passed. Simulate unless
--no-simulate is used. If the URL refers to
a playlist, the whole playlist information
is dumped in a single line
--force-write-archive Force download archive entries to be
written as far as no errors occur, even if
-s or another simulation option is used
@ -658,8 +662,8 @@ ## Video Format Options:
actually downloadable
--no-check-formats Do not check that the formats selected are
actually downloadable
-F, --list-formats List all available formats of requested
videos
-F, --list-formats List available formats of each video.
Simulate unless --no-simulate is used
--merge-output-format FORMAT If a merge is required (e.g.
bestvideo+bestaudio), output to given
container format. One of mkv, mp4, ogg,
@ -677,7 +681,8 @@ ## Subtitle Options:
(Alias: --write-automatic-subs)
--no-write-auto-subs Do not write auto-generated subtitles
(default) (Alias: --no-write-automatic-subs)
--list-subs List all available subtitles for the video
--list-subs List available subtitles of each video.
Simulate unless --no-simulate is used
--sub-format FORMAT Subtitle format, accepts formats
preference, for example: "srt" or
"ass/srt/best"
@ -712,7 +717,7 @@ ## Post-Processing Options:
--audio-format FORMAT Specify audio format to convert the audio
to when -x is used. Currently supported
formats are: best (default) or one of
aac|flac|mp3|m4a|opus|vorbis|wav
best|aac|flac|mp3|m4a|opus|vorbis|wav
--audio-quality QUALITY Specify ffmpeg audio quality, insert a
value between 0 (better) and 9 (worse) for
VBR or a specific bitrate like 128K
@ -784,17 +789,22 @@ ## Post-Processing Options:
path to the binary or its containing
directory
--exec CMD Execute a command on the file after
downloading and post-processing. Similar
syntax to the output template can be used
downloading and post-processing. Same
syntax as the output template can be used
to pass any field as arguments to the
command. An additional field "filepath"
that contains the final path of the
downloaded file is also available. If no
fields are passed, %(filepath)q is appended
to the end of the command
to the end of the command. This option can
be used multiple times
--no-exec Remove any previously defined --exec
--exec-before-download CMD Execute a command before the actual
download. The syntax is the same as --exec
but "filepath" is not available
but "filepath" is not available. This
option can be used multiple times
--no-exec-before-download Remove any previously defined
--exec-before-download
--convert-subs FORMAT Convert the subtitles to another format
(currently supported: srt|vtt|ass|lrc)
(Alias: --convert-subtitles)
@ -1374,7 +1384,7 @@ # Set "comment" field in video metadata using description instead of webpage_url
# EXTRACTOR ARGUMENTS
Some extractors accept additional arguments which can be passed using `--extractor-args KEY:ARGS`. `ARGS` is a `;` (semicolon) seperated string of `ARG=VAL1,VAL2`. Eg: `--extractor-args "youtube:skip=dash,hls;player_client=android" --extractor-args "funimation:version=uncut"`
Some extractors accept additional arguments which can be passed using `--extractor-args KEY:ARGS`. `ARGS` is a `;` (semicolon) seperated string of `ARG=VAL1,VAL2`. Eg: `--extractor-args "youtube:player_client=android_agegate,web;include_live_dash" --extractor-args "funimation:version=uncut"`
The following extractors use this feature:
* **youtube**
@ -1383,8 +1393,8 @@ # EXTRACTOR ARGUMENTS
* `player_skip`: `configs` - skip any requests for client configs and use defaults
* `include_live_dash`: Include live dash formats (These formats don't download properly)
* `comment_sort`: `top` or `new` (default) - choose comment sorting mode (on YouTube's side).
* `max_comments`: maximum amount of comments to download (default all).
* `max_comment_depth`: maximum depth for nested comments. YouTube supports depths 1 or 2 (default).
* `max_comments`: Maximum amount of comments to download (default all).
* `max_comment_depth`: Maximum depth for nested comments. YouTube supports depths 1 or 2 (default).
* **funimation**
* `language`: Languages to extract. Eg: `funimation:language=english,japanese`
@ -1443,7 +1453,7 @@ #### Not recommended
#### Developer options
These options are not intended to be used by the end-user
--test For testing extractors
--test Download only part of video for testing extractors
--youtube-print-sig-code For testing youtube signatures

8
yt_dlp/YoutubeDL.py
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@ -220,7 +220,7 @@ class YoutubeDL(object):
'temp' and the keys of OUTTMPL_TYPES (in utils.py)
outtmpl: Dictionary of templates for output names. Allowed keys
are 'default' and the keys of OUTTMPL_TYPES (in utils.py).
A string a also accepted for backward compatibility
For compatibility with youtube-dl, a single string can also be used
outtmpl_na_placeholder: Placeholder for unavailable meta fields.
restrictfilenames: Do not allow "&" and spaces in file names
trim_file_name: Limit length of filename (extension excluded)
@ -234,6 +234,8 @@ class YoutubeDL(object):
overwrites: Overwrite all video and metadata files if True,
overwrite only non-video files if None
and don't overwrite any file if False
For compatibility with youtube-dl,
"nooverwrites" may also be used instead
playliststart: Playlist item to start at.
playlistend: Playlist item to end at.
playlist_items: Specific indices of playlist to download.
@ -246,7 +248,7 @@ class YoutubeDL(object):
writedescription: Write the video description to a .description file
writeinfojson: Write the video description to a .info.json file
clean_infojson: Remove private fields from the infojson
writecomments: Extract video comments. This will not be written to disk
getcomments: Extract video comments. This will not be written to disk
unless writeinfojson is also given
writeannotations: Write the video annotations to a .annotations.xml file
writethumbnail: Write the thumbnail image to a file
@ -424,6 +426,8 @@ class YoutubeDL(object):
postprocessor/executable. The dict can also have "PP+EXE" keys
which are used when the given exe is used by the given PP.
Use 'default' as the name for arguments to passed to all PP
For compatibility with youtube-dl, a single list of args
can also be used
The following options are used by the extractors:
extractor_retries: Number of times to retry for known errors

7
yt_dlp/downloader/common.py
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@ -47,8 +47,11 @@ class FileDownloader(object):
min_filesize: Skip files smaller than this size
max_filesize: Skip files larger than this size
xattr_set_filesize: Set ytdl.filesize user xattribute with expected size.
external_downloader_args: A list of additional command-line arguments for the
external downloader.
external_downloader_args: A dictionary of downloader keys (in lower case)
and a list of additional command-line arguments for the
executable. Use 'default' as the name for arguments to be
passed to all downloaders. For compatibility with youtube-dl,
a single list of args can also be used
hls_use_mpegts: Use the mpegts container for HLS videos.
http_chunk_size: Size of a chunk for chunk-based HTTP downloading. May be
useful for bypassing bandwidth throttling imposed by

14
yt_dlp/options.py
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@ -190,7 +190,7 @@ def _dict_from_options_callback(
general.add_option(
'--dump-user-agent',
action='store_true', dest='dump_user_agent', default=False,
help='Display the current browser identification and exit')
help='Display the current user-agent and exit')
general.add_option(
'--list-extractors',
action='store_true', dest='list_extractors', default=False,
@ -223,12 +223,6 @@ def _dict_from_options_callback(
'--flat-playlist',
action='store_const', dest='extract_flat', const='in_playlist', default=False,
help='Do not extract the videos of a playlist, only list them')
general.add_option(
'--flat-videos',
action='store_true', dest='extract_flat',
# help='Do not resolve the video urls')
# doesn't work
help=optparse.SUPPRESS_HELP)
general.add_option(
'--no-flat-playlist',
action='store_false', dest='extract_flat',
@ -781,7 +775,7 @@ def _dict_from_options_callback(
verbosity.add_option(
'-q', '--quiet',
action='store_true', dest='quiet', default=False,
help='Activate quiet mode')
help='Activate quiet mode. If used with --verbose, print the log to stderr')
verbosity.add_option(
'--no-warnings',
dest='no_warnings', action='store_true', default=False,
@ -799,7 +793,7 @@ def _dict_from_options_callback(
action='store_true', dest='ignore_no_formats_error', default=False,
help=(
'Ignore "No video formats" error. Usefull for extracting metadata '
'even if the video is not actually available for download (experimental)'))
'even if the videos are not actually available for download (experimental)'))
verbosity.add_option(
'--no-ignore-no-formats-error',
action='store_false', dest='ignore_no_formats_error',
@ -1282,7 +1276,7 @@ def _dict_from_options_callback(
callback=_list_from_options_callback, callback_kwargs={'delim': None},
help=(
'Execute a command on the file after downloading and post-processing. '
'Similar syntax to the output template can be used to pass any field as arguments to the command. '
'Same syntax as the output template can be used to pass any field as arguments to the command. '
'An additional field "filepath" that contains the final path of the downloaded file is also available. '
'If no fields are passed, %(filepath)q is appended to the end of the command. '
'This option can be used multiple times'))