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* requestsync: Adapt to use new function above. * update-maintainer: Rewrote in Python and adapted to use Maintainer field spec approved by the Technical Board at: - https://lists.ubuntu.com/archives/ubuntu-devel/2009-May/028213.html
118 lines
4.1 KiB
Python
118 lines
4.1 KiB
Python
#
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# packages.py - functions related to Ubuntu source packages and releases.
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#
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# Copyright (C) 2008 Jonathan Davies <jpds@ubuntu.com>
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# Copyright (C) 2008 Siegfried-Angel Gevatter Pujals <rainct@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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# Please see the /usr/share/common-licenses/GPL file for the full text of
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# the GNU General Public License license.
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#
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# Modules.
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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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def checkReleaseExists(release):
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"""
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Check that an Ubuntu release exists by opening
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https://launchpad.net/ubuntu/releaseName page on Launchpad.
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If an error is returned; the release does not exist.
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"""
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release = release.split('-')[0] # Remove pocket
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try:
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urllib2.urlopen("https://launchpad.net/ubuntu/%s" % release)
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except urllib2.HTTPError:
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print >> sys.stderr, "The Ubuntu '%s' release does not appear to " \
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"exist on Launchpad." % release
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sys.exit(1)
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except urllib2.URLError, error: # Other error (NXDOMAIN, ...)
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(_, reason) = error.reason
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print >> sys.stderr, "Error while checking for Ubuntu '%s' " \
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"release on Launchpad: %s." % (release, reason)
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sys.exit(1)
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def checkSourceExists(package, release):
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"""
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Check that a package exists by opening its
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https://launchpad.net/ubuntu/+source/package page.
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Return the package's page URL and it's current version in the requested
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release.
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"""
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if '-' in release:
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(release, pocket) = release.split('-', 1)
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else:
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pocket = 'release'
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try:
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page = urllib2.urlopen('https://launchpad.net/ubuntu/+source/' + package).read()
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m = re.search('<td>%s</td>\s*\n.*"/ubuntu/%s/\+source/%s/(\d[^"]+)"' % (
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pocket, release, package.replace('+', '\+')), page)
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if not m:
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print >> sys.stderr, "Unable to find source package '%s' in " \
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"the %s-%s pocket." % (package, release.capitalize(), pocket)
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sys.exit(1)
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except urllib2.HTTPError, error: # Raised on 404.
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if error.code == 404:
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print >> sys.stderr, "The source package '%s' does not appear to " \
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"exist in Ubuntu." % package
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else: # Other error code, probably Launchpad malfunction.
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print >> sys.stderr, "Error while checking Launchpad for Ubuntu " \
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"package: %s." % error.code
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sys.exit(1) # Exit. Error encountered.
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except urllib2.URLError, error: # Other error (NXDOMAIN, ...)
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(_, reason) = error.reason
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print >> sys.stderr, "Error while checking Launchpad for Ubuntu " \
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"package: %s." % reason
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sys.exit(1)
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# Get package version.
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version = m.group(1)
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return page, version
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def packageComponent(package, release):
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"""
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Use rmadison to see which component a package is in.
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"""
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madison = subprocess.Popen(['rmadison', '-u', 'ubuntu', '-a', 'source', \
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'-s', release, package], stdout = subprocess.PIPE)
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out = madison.communicate()[0]
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assert (madison.returncode == 0)
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for l in out.splitlines():
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(pkg, version, rel, builds) = l.split('|')
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component = 'main'
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if rel.find('/') != -1:
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component = rel.split('/')[1]
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return component.strip()
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def checkIsInDebian(package, distro):
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madison = subprocess.Popen(['rmadison', '-u', 'debian', '-a', 'source', \
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'-s', distro, package], \
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stdout=subprocess.PIPE)
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out = madison.communicate()[0]
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assert (madison.returncode == 0)
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try:
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assert out
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except AssertionError:
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out = False
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return out
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