youtube-dl/youtube_dl/__init__.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import with_statement
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from __future__ import absolute_import
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__authors__ = (
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'Ricardo Garcia Gonzalez',
'Danny Colligan',
'Benjamin Johnson',
'Vasyl\' Vavrychuk',
'Witold Baryluk',
'Paweł Paprota',
'Gergely Imreh',
'Rogério Brito',
'Philipp Hagemeister',
'Sören Schulze',
'Kevin Ngo',
'Ori Avtalion',
'shizeeg',
'Filippo Valsorda',
'Christian Albrecht',
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'Dave Vasilevsky',
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'Jaime Marquínez Ferrándiz',
'Jeff Crouse',
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)
__license__ = 'Public Domain'
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import getpass
import optparse
import os
import re
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import shlex
import socket
import subprocess
import sys
import warnings
import platform
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from .utils import *
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from .update import update_self
from .version import __version__
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from .FileDownloader import *
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from .InfoExtractors import gen_extractors
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from .PostProcessor import *
def parseOpts():
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def _readOptions(filename_bytes):
try:
optionf = open(filename_bytes)
except IOError:
return [] # silently skip if file is not present
try:
res = []
for l in optionf:
res += shlex.split(l, comments=True)
finally:
optionf.close()
return res
def _format_option_string(option):
''' ('-o', '--option') -> -o, --format METAVAR'''
opts = []
if option._short_opts:
opts.append(option._short_opts[0])
if option._long_opts:
opts.append(option._long_opts[0])
if len(opts) > 1:
opts.insert(1, ', ')
if option.takes_value(): opts.append(' %s' % option.metavar)
return "".join(opts)
def _find_term_columns():
columns = os.environ.get('COLUMNS', None)
if columns:
return int(columns)
try:
sp = subprocess.Popen(['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out,err = sp.communicate()
return int(out.split()[1])
except:
pass
return None
max_width = 80
max_help_position = 80
# No need to wrap help messages if we're on a wide console
columns = _find_term_columns()
if columns: max_width = columns
fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
fmt.format_option_strings = _format_option_string
kw = {
'version' : __version__,
'formatter' : fmt,
'usage' : '%prog [options] url [url...]',
'conflict_handler' : 'resolve',
}
parser = optparse.OptionParser(**kw)
# option groups
general = optparse.OptionGroup(parser, 'General Options')
selection = optparse.OptionGroup(parser, 'Video Selection')
authentication = optparse.OptionGroup(parser, 'Authentication Options')
video_format = optparse.OptionGroup(parser, 'Video Format Options')
postproc = optparse.OptionGroup(parser, 'Post-processing Options')
filesystem = optparse.OptionGroup(parser, 'Filesystem Options')
verbosity = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
general.add_option('-h', '--help',
action='help', help='print this help text and exit')
general.add_option('-v', '--version',
action='version', help='print program version and exit')
general.add_option('-U', '--update',
action='store_true', dest='update_self', help='update this program to latest version')
general.add_option('-i', '--ignore-errors',
action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
general.add_option('-r', '--rate-limit',
dest='ratelimit', metavar='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
general.add_option('-R', '--retries',
dest='retries', metavar='RETRIES', help='number of retries (default is %default)', default=10)
general.add_option('--buffer-size',
dest='buffersize', metavar='SIZE', help='size of download buffer (e.g. 1024 or 16k) (default is %default)', default="1024")
general.add_option('--no-resize-buffer',
action='store_true', dest='noresizebuffer',
help='do not automatically adjust the buffer size. By default, the buffer size is automatically resized from an initial value of SIZE.', default=False)
general.add_option('--dump-user-agent',
action='store_true', dest='dump_user_agent',
help='display the current browser identification', default=False)
general.add_option('--user-agent',
dest='user_agent', help='specify a custom user agent', metavar='UA')
general.add_option('--list-extractors',
action='store_true', dest='list_extractors',
help='List all supported extractors and the URLs they would handle', default=False)
general.add_option('--test', action='store_true', dest='test', default=False, help=optparse.SUPPRESS_HELP)
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selection.add_option('--playlist-start',
dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is %default)', default=1)
selection.add_option('--playlist-end',
dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
selection.add_option('--match-title', dest='matchtitle', metavar='REGEX',help='download only matching titles (regex or caseless sub-string)')
selection.add_option('--reject-title', dest='rejecttitle', metavar='REGEX',help='skip download for matching titles (regex or caseless sub-string)')
selection.add_option('--max-downloads', metavar='NUMBER', dest='max_downloads', help='Abort after downloading NUMBER files', default=None)
authentication.add_option('-u', '--username',
dest='username', metavar='USERNAME', help='account username')
authentication.add_option('-p', '--password',
dest='password', metavar='PASSWORD', help='account password')
authentication.add_option('-n', '--netrc',
action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
video_format.add_option('-f', '--format',
action='store', dest='format', metavar='FORMAT', help='video format code')
video_format.add_option('--all-formats',
action='store_const', dest='format', help='download all available video formats', const='all')
video_format.add_option('--prefer-free-formats',
action='store_true', dest='prefer_free_formats', default=False, help='prefer free video formats unless a specific one is requested')
video_format.add_option('--max-quality',
action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
video_format.add_option('-F', '--list-formats',
action='store_true', dest='listformats', help='list all available formats (currently youtube only)')
video_format.add_option('--write-srt',
action='store_true', dest='writesubtitles',
help='write video closed captions to a .srt file (currently youtube only)', default=False)
video_format.add_option('--srt-lang',
action='store', dest='subtitleslang', metavar='LANG',
help='language of the closed captions to download (optional) use IETF language tags like \'en\'')
verbosity.add_option('-q', '--quiet',
action='store_true', dest='quiet', help='activates quiet mode', default=False)
verbosity.add_option('-s', '--simulate',
action='store_true', dest='simulate', help='do not download the video and do not write anything to disk', default=False)
verbosity.add_option('--skip-download',
action='store_true', dest='skip_download', help='do not download the video', default=False)
verbosity.add_option('-g', '--get-url',
action='store_true', dest='geturl', help='simulate, quiet but print URL', default=False)
verbosity.add_option('-e', '--get-title',
action='store_true', dest='gettitle', help='simulate, quiet but print title', default=False)
verbosity.add_option('--get-thumbnail',
action='store_true', dest='getthumbnail',
help='simulate, quiet but print thumbnail URL', default=False)
verbosity.add_option('--get-description',
action='store_true', dest='getdescription',
help='simulate, quiet but print video description', default=False)
verbosity.add_option('--get-filename',
action='store_true', dest='getfilename',
help='simulate, quiet but print output filename', default=False)
verbosity.add_option('--get-format',
action='store_true', dest='getformat',
help='simulate, quiet but print output format', default=False)
verbosity.add_option('--no-progress',
action='store_true', dest='noprogress', help='do not print progress bar', default=False)
verbosity.add_option('--console-title',
action='store_true', dest='consoletitle',
help='display progress in console titlebar', default=False)
verbosity.add_option('-v', '--verbose',
action='store_true', dest='verbose', help='print various debugging information', default=False)
filesystem.add_option('-t', '--title',
action='store_true', dest='usetitle', help='use title in file name', default=False)
filesystem.add_option('--id',
action='store_true', dest='useid', help='use video ID in file name', default=False)
filesystem.add_option('-l', '--literal',
action='store_true', dest='usetitle', help='[deprecated] alias of --title', default=False)
filesystem.add_option('-A', '--auto-number',
action='store_true', dest='autonumber',
help='number downloaded files starting from 00000', default=False)
filesystem.add_option('-o', '--output',
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dest='outtmpl', metavar='TEMPLATE', help='output filename template. Use %(title)s to get the title, %(uploader)s for the uploader name, %(uploader_id)s for the uploader nickname if different, %(autonumber)s to get an automatically incremented number, %(ext)s for the filename extension, %(upload_date)s for the upload date (YYYYMMDD), %(extractor)s for the provider (youtube, metacafe, etc), %(id)s for the video id and %% for a literal percent. Use - to output to stdout. Can also be used to download to a different directory, for example with -o \'/my/downloads/%(uploader)s/%(title)s-%(id)s.%(ext)s\' .')
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filesystem.add_option('--restrict-filenames',
action='store_true', dest='restrictfilenames',
help='Restrict filenames to only ASCII characters, and avoid "&" and spaces in filenames', default=False)
filesystem.add_option('-a', '--batch-file',
dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
filesystem.add_option('-w', '--no-overwrites',
action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
filesystem.add_option('-c', '--continue',
action='store_true', dest='continue_dl', help='resume partially downloaded files', default=True)
filesystem.add_option('--no-continue',
action='store_false', dest='continue_dl',
help='do not resume partially downloaded files (restart from beginning)')
filesystem.add_option('--cookies',
dest='cookiefile', metavar='FILE', help='file to read cookies from and dump cookie jar in')
filesystem.add_option('--no-part',
action='store_true', dest='nopart', help='do not use .part files', default=False)
filesystem.add_option('--no-mtime',
action='store_false', dest='updatetime',
help='do not use the Last-modified header to set the file modification time', default=True)
filesystem.add_option('--write-description',
action='store_true', dest='writedescription',
help='write video description to a .description file', default=False)
filesystem.add_option('--write-info-json',
action='store_true', dest='writeinfojson',
help='write video metadata to a .info.json file', default=False)
postproc.add_option('-x', '--extract-audio', action='store_true', dest='extractaudio', default=False,
help='convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)')
postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
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help='"best", "aac", "vorbis", "mp3", "m4a", "opus", or "wav"; best by default')
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postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='5',
help='ffmpeg/avconv audio quality specification, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default 5)')
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postproc.add_option('--recode-video', metavar='FORMAT', dest='recodevideo', default=None,
help='Encode the video to another format if necessary (currently supported: mp4|flv|ogg|webm)')
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postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
help='keeps the video file on disk after the post-processing; the video is erased by default')
postproc.add_option('--no-post-overwrites', action='store_true', dest='nopostoverwrites', default=False,
help='do not overwrite post-processed files; the post-processed files are overwritten by default')
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parser.add_option_group(general)
parser.add_option_group(selection)
parser.add_option_group(filesystem)
parser.add_option_group(verbosity)
parser.add_option_group(video_format)
parser.add_option_group(authentication)
parser.add_option_group(postproc)
xdg_config_home = os.environ.get('XDG_CONFIG_HOME')
if xdg_config_home:
userConf = os.path.join(xdg_config_home, 'youtube-dl.conf')
else:
userConf = os.path.join(os.path.expanduser('~'), '.config', 'youtube-dl.conf')
argv = _readOptions('/etc/youtube-dl.conf') + _readOptions(userConf) + sys.argv[1:]
opts, args = parser.parse_args(argv)
return parser, opts, args
def _real_main():
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parser, opts, args = parseOpts()
# Open appropriate CookieJar
if opts.cookiefile is None:
jar = compat_cookiejar.CookieJar()
else:
try:
jar = compat_cookiejar.MozillaCookieJar(opts.cookiefile)
if os.path.isfile(opts.cookiefile) and os.access(opts.cookiefile, os.R_OK):
jar.load()
except (IOError, OSError) as err:
sys.exit(u'ERROR: unable to open cookie file')
# Set user agent
if opts.user_agent is not None:
std_headers['User-Agent'] = opts.user_agent
# Dump user agent
if opts.dump_user_agent:
print(std_headers['User-Agent'])
sys.exit(0)
# Batch file verification
batchurls = []
if opts.batchfile is not None:
try:
if opts.batchfile == '-':
batchfd = sys.stdin
else:
batchfd = open(opts.batchfile, 'r')
batchurls = batchfd.readlines()
batchurls = [x.strip() for x in batchurls]
batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
except IOError:
sys.exit(u'ERROR: batch file could not be read')
all_urls = batchurls + args
all_urls = [url.strip() for url in all_urls]
# General configuration
cookie_processor = compat_urllib_request.HTTPCookieProcessor(jar)
proxy_handler = compat_urllib_request.ProxyHandler()
opener = compat_urllib_request.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
compat_urllib_request.install_opener(opener)
socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
extractors = gen_extractors()
if opts.list_extractors:
for ie in extractors:
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print(ie.IE_NAME + (' (CURRENTLY BROKEN)' if not ie._WORKING else ''))
matchedUrls = [url for url in all_urls if ie.suitable(url)]
all_urls = [url for url in all_urls if url not in matchedUrls]
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for mu in matchedUrls:
print(u' ' + mu)
sys.exit(0)
# Conflicting, missing and erroneous options
if opts.usenetrc and (opts.username is not None or opts.password is not None):
parser.error(u'using .netrc conflicts with giving username/password')
if opts.password is not None and opts.username is None:
parser.error(u'account username missing')
if opts.outtmpl is not None and (opts.usetitle or opts.autonumber or opts.useid):
parser.error(u'using output template conflicts with using title, video ID or auto number')
if opts.usetitle and opts.useid:
parser.error(u'using title conflicts with using video ID')
if opts.username is not None and opts.password is None:
opts.password = getpass.getpass(u'Type account password and press return:')
if opts.ratelimit is not None:
numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
if numeric_limit is None:
parser.error(u'invalid rate limit specified')
opts.ratelimit = numeric_limit
if opts.retries is not None:
try:
opts.retries = int(opts.retries)
except (TypeError, ValueError) as err:
parser.error(u'invalid retry count specified')
if opts.buffersize is not None:
numeric_buffersize = FileDownloader.parse_bytes(opts.buffersize)
if numeric_buffersize is None:
parser.error(u'invalid buffer size specified')
opts.buffersize = numeric_buffersize
try:
opts.playliststart = int(opts.playliststart)
if opts.playliststart <= 0:
raise ValueError(u'Playlist start must be positive')
except (TypeError, ValueError) as err:
parser.error(u'invalid playlist start number specified')
try:
opts.playlistend = int(opts.playlistend)
if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
raise ValueError(u'Playlist end must be greater than playlist start')
except (TypeError, ValueError) as err:
parser.error(u'invalid playlist end number specified')
if opts.extractaudio:
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if opts.audioformat not in ['best', 'aac', 'mp3', 'm4a', 'opus', 'vorbis', 'wav']:
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parser.error(u'invalid audio format specified')
if opts.audioquality:
opts.audioquality = opts.audioquality.strip('k').strip('K')
if not opts.audioquality.isdigit():
parser.error(u'invalid audio quality specified')
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if opts.recodevideo is not None:
if opts.recodevideo not in ['mp4', 'flv', 'webm', 'ogg']:
parser.error(u'invalid video recode format specified')
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if sys.version_info < (3,):
# In Python 2, sys.argv is a bytestring (also note http://bugs.python.org/issue2128 for Windows systems)
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if opts.outtmpl is not None:
opts.outtmpl = opts.outtmpl.decode(preferredencoding())
outtmpl =((opts.outtmpl is not None and opts.outtmpl)
or (opts.format == '-1' and opts.usetitle and u'%(title)s-%(id)s-%(format)s.%(ext)s')
or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
or (opts.usetitle and u'%(title)s-%(id)s.%(ext)s')
or (opts.useid and u'%(id)s.%(ext)s')
or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
or u'%(id)s.%(ext)s')
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# File downloader
fd = FileDownloader({
'usenetrc': opts.usenetrc,
'username': opts.username,
'password': opts.password,
'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
'forceurl': opts.geturl,
'forcetitle': opts.gettitle,
'forcethumbnail': opts.getthumbnail,
'forcedescription': opts.getdescription,
'forcefilename': opts.getfilename,
'forceformat': opts.getformat,
'simulate': opts.simulate,
'skip_download': (opts.skip_download or opts.simulate or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
'format': opts.format,
'format_limit': opts.format_limit,
'listformats': opts.listformats,
'outtmpl': outtmpl,
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'restrictfilenames': opts.restrictfilenames,
'ignoreerrors': opts.ignoreerrors,
'ratelimit': opts.ratelimit,
'nooverwrites': opts.nooverwrites,
'retries': opts.retries,
'buffersize': opts.buffersize,
'noresizebuffer': opts.noresizebuffer,
'continuedl': opts.continue_dl,
'noprogress': opts.noprogress,
'playliststart': opts.playliststart,
'playlistend': opts.playlistend,
'logtostderr': opts.outtmpl == '-',
'consoletitle': opts.consoletitle,
'nopart': opts.nopart,
'updatetime': opts.updatetime,
'writedescription': opts.writedescription,
'writeinfojson': opts.writeinfojson,
'writesubtitles': opts.writesubtitles,
'subtitleslang': opts.subtitleslang,
'matchtitle': opts.matchtitle,
'rejecttitle': opts.rejecttitle,
'max_downloads': opts.max_downloads,
'prefer_free_formats': opts.prefer_free_formats,
'verbose': opts.verbose,
'test': opts.test,
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'keepvideo': opts.keepvideo,
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})
if opts.verbose:
fd.to_screen(u'[debug] youtube-dl version ' + __version__)
try:
sp = subprocess.Popen(['git', 'rev-parse', '--short', 'HEAD'], stdout=subprocess.PIPE, stderr=subprocess.PIPE,
cwd=os.path.dirname(os.path.abspath(__file__)))
out, err = sp.communicate()
out = out.decode().strip()
if re.match('[0-9a-f]+', out):
fd.to_screen(u'[debug] Git HEAD: ' + out)
except:
pass
fd.to_screen(u'[debug] Python version %s - %s' %(platform.python_version(), platform.platform()))
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fd.to_screen(u'[debug] Proxy map: ' + str(proxy_handler.proxies))
for extractor in extractors:
fd.add_info_extractor(extractor)
# PostProcessors
if opts.extractaudio:
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fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, nopostoverwrites=opts.nopostoverwrites))
if opts.recodevideo:
fd.add_post_processor(FFmpegVideoConvertor(preferedformat=opts.recodevideo))
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# Update version
if opts.update_self:
update_self(fd.to_screen, opts.verbose, sys.argv[0])
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# Maybe do nothing
if len(all_urls) < 1:
if not opts.update_self:
parser.error(u'you must provide at least one URL')
else:
sys.exit()
try:
retcode = fd.download(all_urls)
except MaxDownloadsReached:
fd.to_screen(u'--max-download limit reached, aborting.')
retcode = 101
# Dump cookie jar if requested
if opts.cookiefile is not None:
try:
jar.save()
except (IOError, OSError) as err:
sys.exit(u'ERROR: unable to save cookie jar')
sys.exit(retcode)
def main():
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try:
_real_main()
except DownloadError:
sys.exit(1)
except SameFileError:
sys.exit(u'ERROR: fixed output name but more than one file to download')
except KeyboardInterrupt:
sys.exit(u'\nERROR: Interrupted by user')