64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
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#!/usr/bin/python3
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import sys
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import subprocess
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import apt_pkg
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DISTRO = subprocess.check_output(["lsb_release", "-c", "-s"],
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universal_newlines=True).strip()
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def get_updates():
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pkgs = []
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apt_pkg.init()
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cache = apt_pkg.Cache(None)
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depcache = apt_pkg.DepCache(cache)
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for pkg in cache.packages:
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inst_ver = pkg.current_ver
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cand_ver = depcache.get_candidate_ver(pkg)
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if inst_ver is not None:
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if cand_ver.ver_str == inst_ver.ver_str:
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continue
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record = {"name": pkg.name,
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"security": isSecurityUpgrade(pkg, depcache),
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"section": inst_ver.section,
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"current_version": inst_ver.ver_str if inst_ver else '-',
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"candidate_version": cand_ver.ver_str if cand_ver else '-',
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"priority": cand_ver.priority_str}
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pkgs.append(record)
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return pkgs
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def isSecurityUpgrade(pkg, depcache):
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def isSecurityUpgrade_helper(ver):
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""" check if the given version is a security update (or masks one) """
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security_pockets = [("Ubuntu", "%s-security" % DISTRO),
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("gNewSense", "%s-security" % DISTRO),
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("Debian", "%s-updates" % DISTRO)]
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for (f, _) in ver.file_list:
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for origin, archive in security_pockets:
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if (f.archive == archive and f.origin == origin):
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return True
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return False
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inst_ver = pkg.current_ver
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cand_ver = depcache.get_candidate_ver(pkg)
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if isSecurityUpgrade_helper(cand_ver):
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return True
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for ver in pkg.version_list:
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if (inst_ver and
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apt_pkg.version_compare(ver.ver_str, inst_ver.ver_str) <= 0):
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continue
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if isSecurityUpgrade_helper(ver):
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return True
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return False
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def main():
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pkgs = get_updates()
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sys.exit(str(len(pkgs)))
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if __name__ == "__main__":
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main()
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