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#!/usr/bin/env python3
from __future__ import print_function
import sys
sys.path.append("/usr/share/botch")
from util import get_fh_out, sort_pkgs_key, read_tag_file
def packages_difference(inPackages1, inPackages2, outPackages, verbose=False):
to_remove = dict()
for pkg in inPackages2:
to_remove[(pkg["Package"], pkg["Architecture"], pkg["Version"])] = pkg
result = dict()
nr_removed = 0
nr_all = 0
for pkg in inPackages1:
nr_all += 1
name, arch, ver = pkg["Package"], pkg["Architecture"], pkg["Version"]
if not to_remove.get((name, arch, ver)):
result[(name, arch, ver)] = pkg
else:
nr_removed += 1
with outPackages as outfile:
for pkg in sorted(list(result.keys()), key=sort_pkgs_key):
result[pkg].dump(outfile)
outfile.write(b"\n")
if verbose:
print("Removed %d out of %d packages" % (nr_removed, nr_all), file=sys.stderr)
return True
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(
description=(
"calculate the difference of two packages files, "
+ "removing from the first packages file all packages "
+ "that are in the second file"
)
)
parser.add_argument(
"inPackages1", type=read_tag_file, help="input Packages file #1"
)
parser.add_argument(
"inPackages2", type=read_tag_file, help="input Packages file #2"
)
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 = packages_difference(
args.inPackages1, args.inPackages2, args.outPackages, args.verbose
)
exit(not ret)
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