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126 lines
4.1 KiB
Python
Executable File
126 lines
4.1 KiB
Python
Executable File
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2006-2007 (C) Pete Savage <petesavage@ubuntu.com>
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# Copyright 2007 (C) Siegfried-A. Gevatter <rainct@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 2
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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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#
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# This script is used to check if a package and all its build
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# dependencies are in main or not.
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import subprocess
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import sys
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def process_deps(deps):
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"""Takes a list of (build) dependencies and processes it."""
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for package in [ package.split('|')[0] for package in deps ]:
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# Cut package name (from something like "name ( >= version)")
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name = package.split(' ')[0]
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if not packages.has_key(name) and name != '':
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# Check the (build) dependencies recursively
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find_main(name)
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def find_main(pack):
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"""Searches the dependencies and build dependencies of a package recursively
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to determine if they are all in the 'main' component or not."""
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global packages
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# Retrieve information about the package
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out = subprocess.Popen('apt-cache madison ' + pack + ' | grep ' + distro + ' | grep -m 1 Packages', shell=True, stdout=subprocess.PIPE).stdout.read()
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if out.find("/main") != -1:
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packages[pack] = True
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return 1
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else:
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if not packages.has_key(pack):
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packages[pack] = False
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# Retrive package dependencies
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deps = subprocess.Popen('apt-cache show ' + pack + ' | grep -m 1 ^Depends', shell=True, stdout=subprocess.PIPE).stdout.read().split('\n')[0].replace('Depends: ', '').split(', ')
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process_deps(deps)
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# Retrieve package build dependencies
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deps1 = subprocess.Popen('apt-cache showsrc ' + pack + ' | grep -m 1 ^Build-Depends', shell=True, stdout=subprocess.PIPE).stdout.readlines()
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deps = []
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for builddep in deps1:
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if builddep.startswith('Build-Depends'):
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deps += builddep.strip('\n').replace('Build-Depends: ', '').replace('Build-Depends-Indep: ', '').split(', ')
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process_deps(deps)
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def main():
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global packages, distro
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# Check if the amount of arguments is correct
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if len(sys.argv) < 2 or len(sys.argv) > 3 or sys.argv[1] in ('help', '-h', '--help'):
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print 'Usage: %s <package name> [<distribution>]' % sys.argv[0]
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sys.exit(1)
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if len(sys.argv) == 3 and sys.argv[2]:
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distro = sys.argv[2]
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if not subprocess.Popen('apt-cache madison bash | grep ' + distro, shell=True, stdout=subprocess.PIPE).stdout.read():
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print '«%s» is not a valid distribution.' % distro
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print 'Remember that for 404main to work with a certain distribution it must be in your /etc/apt/sources.list file.'
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sys.exit(1)
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else:
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distro = subprocess.Popen('lsb_release -cs', shell=True, stdout=subprocess.PIPE).stdout.read().strip('\n')
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if not subprocess.Popen('apt-cache madison ' + sys.argv[1] + ' | grep ' + distro, shell=True, stdout=subprocess.PIPE).stdout.read():
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print 'Can\'t find package «%s» in distribution «%s».' % (sys.argv[1], distro)
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sys.exit(1)
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print 'Checking package «%s» in distribution «%s»...' % (sys.argv[1], distro)
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find_main(sys.argv[1])
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# True if everything checked until the point is in main
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all_in_main = True
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for package in packages:
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if not packages[package]:
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if all_in_main:
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print 'The following packages aren\'t in main:'
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all_in_main = False
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print ' ', package
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if all_in_main:
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print 'Package «%s» and all its dependencies and build dependencies are in main.' % sys.argv[1]
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if __name__ == '__main__':
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# Global variable to hold the status of all packages
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packages = {}
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# Global variable to hold the target distribution
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distro = ''
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try:
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main()
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except KeyboardInterrupt:
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print 'Aborted.'
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sys.exit(1)
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