+ help='Do not read configuration files. '
+ 'When given in the global configuration file /etc/youtube-dl.conf: '
+ 'Do not read the user configuration in ~/.config/youtube-dl/config '
+ '(%APPDATA%/youtube-dl/config.txt on Windows)')
+ general.add_option(
+ '--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(
+ '--no-color', '--no-colors',
+ action='store_true', dest='no_color',
+ default=False,
+ help='Do not emit color codes in output')
+
+ network = optparse.OptionGroup(parser, 'Network Options')
+ network.add_option(
+ '--proxy', dest='proxy',
+ default=None, metavar='URL',
+ help='Use the specified HTTP/HTTPS proxy. Pass in an empty string (--proxy "") for direct connection')
+ network.add_option(
+ '--socket-timeout',
+ dest='socket_timeout', type=float, default=None, metavar='SECONDS',
+ help='Time to wait before giving up, in seconds')
+ network.add_option(
+ '--source-address',
+ metavar='IP', dest='source_address', default=None,
+ help='Client-side IP address to bind to (experimental)',
+ )
+ network.add_option(
+ '-4', '--force-ipv4',
+ action='store_const', const='0.0.0.0', dest='source_address',
+ help='Make all connections via IPv4 (experimental)',
+ )
+ network.add_option(
+ '-6', '--force-ipv6',
+ action='store_const', const='::', dest='source_address',
+ help='Make all connections via IPv6 (experimental)',
+ )
+ network.add_option(
+ '--cn-verification-proxy',
+ dest='cn_verification_proxy', default=None, metavar='URL',
+ help='Use this proxy to verify the IP address for some Chinese sites. '
+ 'The default proxy specified by --proxy (or none, if the options is not present) is used for the actual downloading. (experimental)'
+ )