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#!/usr/bin/python2
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# Check Java versions against the newest one installed
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#
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# This assumes that there's OpenJDK installed and kept up to date.
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from __future__ import division, print_function
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from distutils.version import LooseVersion
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from subprocess import check_output
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import re
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def is_java(package):
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filelist = check_output(['rpm', '-ql', package])
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return re.search(r'bin/java$', filelist, re.MULTILINE)
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def package_version(package):
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version_query = ['rpm', '--queryformat', '%{VERSION}', '-q']
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version_query.append(package)
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version = check_output(version_query)
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version = re.sub('_', '.', version)
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return version
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def java_packages():
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all_packages = check_output(['rpm', '-qa']).split('\n')
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packages = [package
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for package in all_packages
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if re.search(r'jdk|jre', package)]
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return [package for package in packages if is_java(package)]
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versions = [LooseVersion(package_version(package))
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for package in java_packages()]
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wanted_version = max(versions)
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old_versions = [version for version in versions if version < wanted_version]
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print('Wanted:', str(wanted_version))
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print('Too old:', [str(version) for version in old_versions])
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