Python JSON Based Configuration

Given a JSON configuration file as such

{
    "queue_args":{
        "host"                   :"localhost",
        "port"                   :"15672",
        "virtual_host"           :"/",
        "channel_max"            :"None",   /* Int of AMQP channel_max value*/
        "frame_max"              :"None",   /* Int of AMQP frame_max value*/
        "heartbeat_interval"     :"None",   /* Int of AMQP heartbeat_interval*/
        "ssl"                    :"None",   /* Bool to enable ssl*/
        "ssl_options"            :"None",   /* Dict of ssl options. See https://www.rabbitmq.com/ssl.html*/
        "connection_attempts"    :"1000",   /* Int maximum number of retry attempts*/
        "retry_delay"            :"0.25",   /* Float time to wait in seconds, before the next.*/
        "socket_timeout"         :"None",   /* Int socket timeout (in seconds?) for high latency networks*/
        "locale"                 :"None",  
        "backpressure_detection" :"None",   /* Bool to toggle backpressure detection*/
        "login"                  :"guest",
        "password"               :"guest",
        "exchange"               :"",
        "exchange_type"          :"fanout"
    },
    "daemon_args":{
        "daemon"     : "False",             /* Bool to run as a daemon rather than as an immediate process*/
        "pidfile"    : "StreamMessage.pid", /* the daemon PID file (default: %default)*/
        "working-dir": ".",                 /* the directory to run the daemon in*/
        "uid"        : "os.getuid()",       /* the userid to run the daemon as (default: inherited from parent process)*/
        "gid"        : "os.getgid()",       /* the groupid to run the daemon as (default: inherited from parent process)*/
        "umask"      : "0022",              /* the umask for files created by the daemon (default: 0022)*/
        "stdout"     : "False",             /* sends standard output to the file STDOUT if set*/
        "stderr"     : "False"              /* sends standard error to the file STDERR if set*/   
    },   
    "spark_args":{
        "connection":  "main",              /* The name of the connection configuration to host */
        "connector":   "connection",        /* Override the connector implementation entry point */
        "class": "MessageReceiver",         /* The entry point for your application (e.g. org.apache.spark.examples.SparkPi)*/
        "master": "spark://192.168.56.101", /* The master URL for the cluster. TODO: determine correct port  (e.g. spark://23.195.26.187:7077)*/
        "deploy-mode": "client",            /* Whether to deploy your driver on the worker nodes (cluster) or locally as an external client (client)*/
        "conf": "None",                     /* Arbitrary Spark configuration property in key=value format. For values that contain spaces wrap “key=value” in quotes (as shown).*/
        "application-jar": "None",          /* Path to jar including your application and all dependencies. Must be globally visible inside of your cluster, hdfs:// or file:// present on all nodes.*/
        "application-arguments": "None"     /* Arguments passed to the main method of your main class, if any*/
    }
}

You will need to minify, parse, and unit test.

from jsmin import jsmin
import json
json_file = 'c:\\Temp\\config.json'
raw_data=open(json_file)
mini_data=jsmin(raw_data.read())
json_data=json.loads(mini_data)
print json_data['rabbit_args']['exchange_type']
raw_data.close()