script which bumps a package.json to the provided version

upgrade_package_version.py

import json
import sys

dir_path = sys.argv[1]
version = sys.argv[2]

# Opening JSON file
with open(dir_path+"/package.json", 'r+') as f:
    data = json.load(f)
    data["version"] = version
    f.seek(0)
    json.dump(data, f)
    f.truncate()