simple_json_generator.py

import json

def parse_line(file_object):
    while True:
        line = file_object.readline()
        if not line:
            break
        yield json.loads(line)

with open('test.txt', 'r') as file_reader:
    for dict_obj in parse_line(file_reader):
        assert isinstance(dict_obj, dict)
        print(dict_obj)