out of 2 json files make one

json-patcher.py

import argh
import json
import io


## very simple json patcher
## make sure to pip install argh
@argh.arg('basefile',help='path to the file you want to patch')
@argh.arg('patchfile',help='path to the file you want to patch BASEFILE with')
def main(basefile: str, patchfile: str):    
    with io.open(basefile,'r',encoding='utf-8') as basef:
        base = json.loads(basef.read())
        with io.open(patchfile,'r', encoding='utf-8') as patchf:
            patch = json.loads(patchf.read())
            patched = { **base , **patch }
            with io.open(basefile,'w',encoding='utf-8') as patchedf:
                patchedf.write(json.dumps(patched)) 


if __name__ == "__main__":
    argh.dispatch_command(main)