mirror of
https://git.launchpad.net/ubuntu-dev-tools
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88 lines
2.6 KiB
Python
Executable File
88 lines
2.6 KiB
Python
Executable File
#!/usr/bin/python
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# pull-lp-source -- pull a source package from Launchpad
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# Basic usage: pull-lp-source <source package> [<distro>]
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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 has
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# copyright (C) 2006 John Dong <jdong@ubuntu.com>.
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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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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# TODO: Determine before going to LP whether a source package and distro exist or not.
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# TODO: Determine current development distro programatically
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import sys
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import os
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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_distro):
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self.package = package
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self.target_distro = target_distro
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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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import re
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contents = os.popen('wget -q https://launchpad.net/ubuntu/%(target_distro)s/+source/%(package)s -O-' % self).read()
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links = re.findall('a href=\"(.*\.dsc)\"', contents)
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if len(links) == 1 and \
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(os.system('dget -x http://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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default_distro = 'intrepid'
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def usage():
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print 'Usage: %s <package> [distro]' % sys.argv[0]
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if __name__ == '__main__':
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args = sys.argv[1:] or []
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if args == [] or args[0] in ('-h', '--help'):
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usage()
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sys.exit(0)
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if len(args) >= 1:
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package = args[0]
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if len(args) == 2:
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distro = args[1]
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elif len(args) == 1:
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distro = os.getenv('DIST') or default_distro
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else: # incorrect args
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usage()
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sys.exit(1)
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# Correct-ish args, can proceed
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try:
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print 'Attempting to get %s from distro %s...' % \
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(package, distro.capitalize())
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BackportFromLP(package, distro)
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except ValueError, e:
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print 'Error when downloading package %s from distro %s: %s' % \
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(package, distro, e)
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