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91 lines
2.6 KiB
Python
Executable File
91 lines
2.6 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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# License: GPLv2 or later
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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, 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 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 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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if __name__ == '__main__':
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# Check if the amount of arguments is correct
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if len(sys.argv) != 2 or sys.argv[1] in ('help', '-h', '--help'):
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print "Usage: %s <package name>" % sys.argv[0]
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sys.exit(1)
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# Global variable to hold the status of all packages
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packages = {}
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if subprocess.Popen("apt-cache show " + sys.argv[1] + " 2>/dev/null", shell=True, stdout=subprocess.PIPE).stdout.read() == '':
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print "Package «%s» doesn't exist." % sys.argv[1]
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sys.exit(1)
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try:
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find_main(sys.argv[1])
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except KeyboardInterrupt:
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print 'Aborted.'
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sys.exit(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 "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, "and all its dependencies are in main."
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