Option parsing refactoring ; Moved version string to __version__

Brings terser option formatting to youtube-dl:
  from: -u USERNAME, --username USERNAME
  to:   -u, --username USERNAME
This commit is contained in:
Georgi Valkov 2011-08-23 15:53:36 +03:00
parent 5fb3df4aff
commit 4f9f96f646

View File

@ -12,6 +12,7 @@ __author__ = (
)
__license__ = "Public Domain"
__version__ = '2011.08.04'
import cookielib
import ctypes
@ -2725,116 +2726,149 @@ def updateSelf(downloader, filename):
downloader.to_screen('Updated to version %s' % latest_version)
def parseOpts():
# Deferred imports
import getpass
import optparse
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)
fmt = optparse.IndentedHelpFormatter()
fmt.format_option_strings = _format_option_string
kw = {
'version' : __version__,
'formatter' : fmt,
'usage' : 'Usage : %prog [options] url...',
'conflict_handler' : 'resolve',
}
parser = optparse.OptionParser(**kw)
# option groups
general = optparse.OptionGroup(parser, 'General Options')
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 stable 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 10)', default=10)
general.add_option('--playlist-start',
dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is 1)', default=1)
general.add_option('--playlist-end',
dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
general.add_option('--dump-user-agent',
action='store_true', dest='dump_user_agent',
help='display the current browser identification', default=False)
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='-1')
video_format.add_option('--max-quality',
action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
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 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('--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)
filesystem.add_option('-t', '--title',
action='store_true', dest='usetitle', help='use title in file name', default=False)
filesystem.add_option('-l', '--literal',
action='store_true', dest='useliteral', help='use literal title in file name', 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',
dest='outtmpl', metavar='TEMPLATE', help='output filename template')
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=False)
filesystem.add_option('--cookies',
dest='cookiefile', metavar='FILE', help='file to dump cookie jar to')
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)
postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False,
help='convert video files to audio-only files (requires ffmpeg and ffprobe)')
postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
help='"best", "aac" or "mp3"; best by default')
parser.add_option_group(general)
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)
opts, args = parser.parse_args()
return parser, opts, args
if __name__ == '__main__':
try:
# Modules needed only when running the main program
import getpass
import optparse
# Parse command line
parser = optparse.OptionParser(
usage='Usage: %prog [options] url...',
version='2011.08.04',
conflict_handler='resolve',
)
parser.add_option('-h', '--help',
action='help', help='print this help text and exit')
parser.add_option('-v', '--version',
action='version', help='print program version and exit')
parser.add_option('-U', '--update',
action='store_true', dest='update_self', help='update this program to latest stable version')
parser.add_option('-i', '--ignore-errors',
action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
parser.add_option('-r', '--rate-limit',
dest='ratelimit', metavar='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
parser.add_option('-R', '--retries',
dest='retries', metavar='RETRIES', help='number of retries (default is 10)', default=10)
parser.add_option('--playlist-start',
dest='playliststart', metavar='NUMBER', help='playlist video to start at (default is 1)', default=1)
parser.add_option('--playlist-end',
dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
parser.add_option('--dump-user-agent',
action='store_true', dest='dump_user_agent',
help='display the current browser identification', default=False)
authentication = optparse.OptionGroup(parser, 'Authentication Options')
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)
parser.add_option_group(authentication)
video_format = optparse.OptionGroup(parser, 'Video Format Options')
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='-1')
video_format.add_option('--max-quality',
action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
parser.add_option_group(video_format)
verbosity = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
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 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('--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)
parser.add_option_group(verbosity)
filesystem = optparse.OptionGroup(parser, 'Filesystem Options')
filesystem.add_option('-t', '--title',
action='store_true', dest='usetitle', help='use title in file name', default=False)
filesystem.add_option('-l', '--literal',
action='store_true', dest='useliteral', help='use literal title in file name', 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',
dest='outtmpl', metavar='TEMPLATE', help='output filename template')
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=False)
filesystem.add_option('--cookies',
dest='cookiefile', metavar='FILE', help='file to dump cookie jar to')
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)
parser.add_option_group(filesystem)
postproc = optparse.OptionGroup(parser, 'Post-processing Options')
postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False,
help='convert video files to audio-only files (requires ffmpeg and ffprobe)')
postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
help='"best", "aac" or "mp3"; best by default')
parser.add_option_group(postproc)
(opts, args) = parser.parse_args()
parser, opts, args = parseOpts()
# Open appropriate CookieJar
if opts.cookiefile is None: