combinerefs.py

#!/usr/bin/python3
import yaml
import sys
import os
import os.path


def main(filename):
   with open(filename) as file:
       data = yaml.load(file, Loader=yaml.CLoader)

   for project, elements in data["projects"].items():
       for element, refs in data["projects"][project].items():
           with open(f"elements/{element}", "a") as file:
              file.write(f"  ref: {refs[0]['ref']}\n")


if __name__ == "__main__":
    main(sys.argv[1])