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#!/usr/bin/env python3
import apt_pkg
import sys
sys.path.append("/usr/share/botch")
from util import get_fh_out, read_tag_file
def single_verson(inPackages, outPackages, verbose=False):
apt_pkg.init()
packages = dict()
for pkg2 in inPackages:
pkg1 = packages.get((pkg2["Package"], pkg2["Architecture"]))
if not pkg1 or (apt_pkg.version_compare(pkg2["Version"], pkg1["Version"]) > 0):
packages[(pkg2["Package"], pkg2["Architecture"])] = pkg2
with outPackages as outfile:
for pkg in sorted(packages.keys()):
packages[pkg].dump(outfile)
outfile.write(b"\n")
return True
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(
description=(
"filters a Packages file so that only the newest "
+ "version of each package remains"
)
)
parser.add_argument("inPackages", type=read_tag_file, help="input Packages file")
parser.add_argument("outPackages", type=get_fh_out, help="output Packages file")
parser.add_argument("--verbose", action="store_true", help="be verbose")
args = parser.parse_args()
ret = single_verson(args.inPackages, args.outPackages, args.verbose)
exit(not ret)
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