Helper script for GitHub Actions to construct json from individual values (to be used by matrix and fromJson)

construct_json_list_of_values.py

# Usage:
# $ export KEY=kek OTHER_KEYS="aa bb" OTHER_VALS="AA BB"
# $ echo "12 34" | python .github/workflows/helpers/construct_json_list_of_values.py
# [{"kek": "12", "aa": "AA", "bb": "BB"}, {"kek": "34", "aa": "AA", "bb": "BB"}]

import json
import os
import sys

KEY = os.environ["KEY"]
OTHER_KEYS = os.environ["OTHER_KEYS"].strip().split()
OTHER_VALS = os.environ["OTHER_VALS"].strip().split()

values = sys.stdin.read().strip().split()
others = {k: v for k, v in zip(OTHER_KEYS, OTHER_VALS)}
out_list = [{**others, KEY: v} for v in values]
print(json.dumps(out_list))