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#!/usr/bin/env python3
# Modify X-KDE-Protocols in the mpv.desktop file based on output from
# mpv --list-protocols.
#
# This file is part of mpv.
#
# mpv is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# mpv is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with mpv. If not, see <http://www.gnu.org/licenses/>.
#
import sys
from subprocess import check_output
if __name__ == "__main__":
with open(sys.argv[1], "r", encoding="UTF-8") as f:
next(f)
mpv_desktop = dict([line.split("=", 1) for line in f])
if not mpv_desktop["X-KDE-Protocols"]:
raise ValueError("Missing X-KDE-Protocols entry in mpv.desktop file")
mpv_protocols = check_output([sys.argv[2], "--list-protocols"], encoding="UTF-8")
mpv_protocols = set(line.strip(" :/") for line in mpv_protocols.splitlines() if "://" in line)
if len(mpv_protocols) == 0:
raise ValueError("Unable to parse any protocols from mpv '--list-protocols'")
protocol_list = set(mpv_desktop["X-KDE-Protocols"].strip().split(","))
mpv_desktop["X-KDE-Protocols"] = ",".join(sorted(mpv_protocols & protocol_list)) + "\n"
with open(sys.argv[3], "w", encoding="UTF-8") as f:
f.write("[Desktop Entry]" + "\n")
for key, value in mpv_desktop.items():
f.write(f"{key}={value}")
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