nixpkgs/pkgs/development/dotnet-modules/python-language-server/process_lockfile.py

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#!/usr/bin/python
import json
import sys
def process_section(name, section):
packages = set()
if "resolved" in section:
packages.add((name, section["resolved"]))
if "dependencies" in section:
for name in section["dependencies"]:
packages.add((name, section["dependencies"][name]))
return packages
def main():
with open(sys.argv[1], 'r') as f:
tree = json.loads(f.read())
packages = set()
topDependencies = tree["dependencies"]
for area in topDependencies:
for name in topDependencies[area]:
packages = packages.union(process_section(name, topDependencies[area][name]))
for (name, version) in packages:
print("%s %s" % (name, version))
if __name__ == "__main__":
main()