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#!/usr/bin/env python3
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import sys
import yaml
def has_pkg_section(p, section):
has_section = section in p.keys()
if has_section:
for pkg in p[section]:
yield pkg
def iter_pkgs(part, all_pkgs):
for pkg in has_pkg_section(part, "build-packages"):
if pkg not in all_pkgs:
all_pkgs.append(pkg)
for pkg in has_pkg_section(part, "stage-packages"):
if pkg not in all_pkgs:
all_pkgs.append(pkg)
def parse(yaml_file):
all_pkgs = []
with open(yaml_file, "r") as inp:
snap = yaml.safe_load(inp)
parts = snap["parts"]
for p in parts:
iter_pkgs(parts[p], all_pkgs)
return " ".join(all_pkgs)
if __name__ == "__main__":
print(parse(sys.argv[1]))
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