import json

def jsonstream(fd):
    while True:
        try:
            here = fd.tell()
            j = json.load(fd)
            yield j
            return
        except json.decoder.JSONDecodeError as e:
            hlen = e.pos
            fd.seek(here)
            jh = fd.read(hlen)
            assert len(jh)==hlen
            j = json.loads(jh)
            yield j