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Add self-updating code

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This commit is contained in:
Ricardo Garcia 2009-11-19 20:19:47 +01:00
parent ab1f697827
commit 4bec29ef4b
1 changed files with 30 additions and 3 deletions
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33
youtube-dl
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@ -1089,6 +1089,22 @@ if __name__ == '__main__':
import getpass import getpass
import optparse import optparse
# Function to update the program file with the latest version from bitbucket.org
def update_self(downloader, filename):
# Note: downloader only used for options
if not os.access (filename, os.W_OK):
sys.exit('ERROR: no write permissions on %s' % filename)
downloader.to_stdout('Updating to latest stable version...')
latest_url = 'http://bitbucket.org/rg3/youtube-dl/raw/tip/LATEST_VERSION'
latest_version = urllib.urlopen(latest_url).read().strip()
prog_url = 'http://bitbucket.org/rg3/youtube-dl/raw/%s/youtube-dl' % latest_version
newcontent = urllib.urlopen(prog_url).read()
stream = open(filename, 'w')
stream.write(newcontent)
stream.close()
downloader.to_stdout('Updated to version %s' % latest_version)
# General configuration # General configuration
urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler())) urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))
urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor())) urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
@ -1105,6 +1121,8 @@ if __name__ == '__main__':
action='help', help='print this help text and exit') action='help', help='print this help text and exit')
parser.add_option('-v', '--version', parser.add_option('-v', '--version',
action='version', help='print program version and exit') 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', parser.add_option('-i', '--ignore-errors',
action='store_true', dest='ignoreerrors', help='continue on download errors', default=False) action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
parser.add_option('-r', '--rate-limit', parser.add_option('-r', '--rate-limit',
@ -1157,7 +1175,7 @@ if __name__ == '__main__':
parser.add_option_group(filesystem) parser.add_option_group(filesystem)
(opts, args) = parser.parse_args() (opts, args) = parser.parse_args()
# Batch file verification # Batch file verification
batchurls = [] batchurls = []
if opts.batchfile is not None: if opts.batchfile is not None:
@ -1170,8 +1188,6 @@ if __name__ == '__main__':
all_urls = batchurls + args all_urls = batchurls + args
# Conflicting, missing and erroneous options # Conflicting, missing and erroneous options
if len(all_urls) < 1:
parser.error(u'you must provide at least one URL')
if opts.usenetrc and (opts.username is not None or opts.password is not None): 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') parser.error(u'using .netrc conflicts with giving username/password')
if opts.password is not None and opts.username is None: if opts.password is not None and opts.username is None:
@ -1217,6 +1233,17 @@ if __name__ == '__main__':
fd.add_info_extractor(youtube_pl_ie) fd.add_info_extractor(youtube_pl_ie)
fd.add_info_extractor(metacafe_ie) fd.add_info_extractor(metacafe_ie)
fd.add_info_extractor(youtube_ie) fd.add_info_extractor(youtube_ie)
# Update version
if opts.update_self:
update_self(fd, sys.argv[0])
# 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()
retcode = fd.download(all_urls) retcode = fd.download(all_urls)
sys.exit(retcode) sys.exit(retcode)