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#!/usr/bin/python3
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import argparse
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import copy
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from distutils.version import LooseVersion
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import sys
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import apt
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# Virtual package mapping
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virtual_mapping = {'awk': 'gawk'}
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def main():
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parser = argparse.ArgumentParser(description='Process some integers.')
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parser.add_argument('-v', '--verbose', action='store_true')
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parser.add_argument('input_package_files', action='store')
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args = parser.parse_args()
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# Input packages
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in_packages = []
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# Parse input package files
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for filename in args.input_package_files.split(','):
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with open(filename) as in_file:
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for line in in_file:
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line = line.strip()
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if line:
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in_packages.append(line)
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# Open APT cache
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cache = apt.Cache(memonly=True)
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cache.open()
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packages = set()
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while True:
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try:
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# Grab next package
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pkg_name = in_packages.pop()
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#~ print('Package: {:s}'.format(pkg_name))
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if pkg_name not in cache:
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if pkg_name in virtual_mapping:
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pkg_name = virtual_mapping[pkg_name]
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else:
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continue
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# Add this package (with version) to the list of packages
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if pkg_name not in packages:
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packages.add(pkg_name)
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# Get package dependencies
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for pdep in cache[pkg_name].versions[0].dependencies:
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dep_name = pdep[0].name
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#~ print('\tDependency: {:s}'.format(dep_name))
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if dep_name not in packages:
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if dep_name in virtual_mapping:
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dep_name = virtual_mapping[dep_name]
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packages.add(dep_name)
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in_packages.insert(0, dep_name)
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except IndexError:
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break
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# Print out the gathered package names
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for package in sorted(packages):
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print(package)
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if __name__ == '__main__':
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sys.exit(main())
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