nixpkgs/pkgs/development/julia-modules/python/find_package_implications.py

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import json
import os
from pathlib import Path
import subprocess
import sys
import yaml
dependencies_path = Path(sys.argv[1])
package_implications_json = sys.argv[2]
out_path = Path(sys.argv[3])
package_implications = json.loads(package_implications_json)
with open(dependencies_path) as f:
desired_packages = yaml.safe_load(f) or []
extra_package_names = []
for pkg in desired_packages:
if pkg["name"] in package_implications:
extra_package_names.extend(package_implications[pkg["name"]])
if len(extra_package_names) > 0:
with open(out_path, "w") as f:
f.write("\n".join(extra_package_names))