mirror of
https://git.launchpad.net/ubuntu-dev-tools
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6db05720f3
* lpapicache: Do not immediately bail out if we have no credentials to login. Clients are now expected to handle the lack of credentials themselves. * pull-lp-source: Make LP API use optional - fall back to a hardcoded default release if we aren't using it. (LP: #477670) * pull-lp-source: Detect more failure conditions and give a nice error instead of a trace * buildd, requestsync: Detect & bail if we don't have credentials and need them. These scripts cannot continue under those circumstances.
110 lines
4.0 KiB
Python
Executable File
110 lines
4.0 KiB
Python
Executable File
#!/usr/bin/python
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#
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# pull-lp-source -- pull a source package from Launchpad
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# Basic usage: pull-lp-source <source package> [<release>]
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#
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# Copyright (C) 2008 Iain Lane <iain@orangesquash.org.uk>
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#
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# BackportFromLP class taken from prevu tool, which is:
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# Copyright (C) 2006 John Dong <jdong@ubuntu.com>
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#
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# ##################################################################
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 3
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# See file /usr/share/common-licenses/GPL for more details.
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#
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# ##################################################################
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import os
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import re
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import subprocess
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import sys
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import urllib2
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from optparse import OptionParser
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# ubuntu-dev-tools modules.
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from ubuntutools.lp.lpapicache import Distribution
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from ubuntutools.lp.udtexceptions import SeriesNotFoundException, PackageNotFoundException
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if not os.path.exists("/usr/bin/dget"):
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print "dget is not installed - please install the 'devscripts' package" \
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" and rerun this script again."
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sys.exit(1)
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class BackportFromLP:
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def __getitem__(self, name):
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return getattr(self, name)
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def __init__(self, package, target_release):
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self.package = package
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self.target_release = target_release
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self.__prepare_sources()
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def __prepare_sources(self):
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# Scrape the source package from Launchpad :)
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try:
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contents = urllib2.urlopen('https://launchpad.net/ubuntu/%(target_release)s/+source/%(package)s' % self).read()
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links = re.findall('href=\"(.*\.dsc)\"', contents)
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if len(links) == 1 and \
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subprocess.call(['dget', '-xu', 'https://launchpad.net%s' % links[0]]) == 0:
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print '\nSuccess!'
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else:
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raise ValueError, '\nFailed to fetch and extract the source. ' +\
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'Ensure that the package specified is a valid source ' +\
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'package name and that Launchpad is not down.'
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except urllib2.HTTPError:
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raise ValueError, '\nFailed to fetch and extract the source. ' +\
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'Ensure that the package specified is a valid source ' +\
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'package name and that Launchpad is not down.'
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if __name__ == '__main__':
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usage = "Usage: %prog <package> [release]"
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optParser = OptionParser(usage)
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(options, args) = optParser.parse_args()
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release = None
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if not args: optParser.error("Arguments required.")
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package = str(args[0]).lower()
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try:
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if len(args) == 2: # Custom distribution specified.
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release = str(args[1]).lower()
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else:
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release = os.getenv('DIST') or Distribution('ubuntu').getDevelopmentSeries().name
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# Arguments are correct, proceed.
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# Check that the Ubuntu release and package specified exists.
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Distribution('ubuntu').getArchive().getSourcePackage(package, release)
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except IOError, e:
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print "This is non-fatal, continuing..."
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except (SeriesNotFoundException, PackageNotFoundException), e:
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print e
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sys.exit(1)
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# We won't have been able to get the release if there are no LP credentials, hardcode it
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# also could bail out here if others think that is better
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if release is None:
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release = 'lucid'
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# All good - start downloading...
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try:
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print 'Attempting to get %s from release %s...' % \
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(package, release.capitalize())
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BackportFromLP(package, release)
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except ValueError, e:
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print 'Error when downloading package %s from release %s: %s.' % \
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(package, release, e)
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