python解析json串

import json
import os
import time
import datetime
import sys

#c处理ascii码异常情况
reload(sys)
sys.setdefaultencoding( "utf-8" )

target_dir = '/logs/out/dana/target'
report_dir = '/logs/out/dana/report'

now_time = datetime.datetime.now()
last_time = now_time + datetime.timedelta(days=-1)
last_time_nyr = last_time.strftime('%Y%m%d')
#获取外部输入值
time_argv1 = sys.argv[1]
time_argv2 = sys.argv[2]

json_client = target_dir + '/' + time_argv1 + '/' + time_argv2 + '/' + 'json_client.txt'
json_client_results = target_dir + '/' + time_argv1 + '/' + time_argv2 + '/' + 'json_client_results.txt'

a = open(json_client)
b = a.readlines()
c = open(json_client_results,"a")
#get() 为如果为空的话转为空输出；str()强制转换成字符串型
for line in b:
    m = json.loads(line)
    CP_CH = str(m.get('CP_CH',''))
    CP_CITYID = str(m.get('CP_CITYID',''))
    CP_IMEI = str(m.get('CP_IMEI',''))
    CP_MODEL = str(m.get('CP_MODEL',''))
    CP_PLTFM = str(m.get('CP_PLTFM',''))
    CP_PRT = str(m.get('CP_PRT',''))
    CP_RATIO = str(m.get('CP_RATIO',''))
    CP_TOUCH = str(m.get('CP_TOUCH',''))
    CP_UID = str(m.get('CP_UID',''))
    CP_VER = str(m.get('CP_VER',''))
    CP_PHONENUM = str(m.get('CP_PHONENUM',''))
    CP_TPL = str(m.get('CP_TPL',''))
    CP_RESVER = str(m.get('CP_RESVER',''))
    CP_PUBRESPATH = str(m.get('CP_PUBRESPATH',''))
    CP_LON = str(m.get('CP_LON',''))
    CP_LAT = str(m.get('CP_LAT',''))
    CP_ACTIONS = m["actions"][0]["action"]

    #print CP_CITYID + "|" + CP_IMEI
    #print CP_IMEI
    e = CP_CH + "|" + CP_CITYID + "|" + CP_IMEI + "|" + CP_MODEL + "|" + CP_PLTFM + "|" + CP_PRT + "|" + CP_RATIO + "|" + CP_TOUCH + "|" + CP_UID + "|" + CP_VER + "|" + CP_PHONENUM + "|" + CP_TPL + "|" + CP_RESVER + "|" + CP_PUBRESPATH + "|" + CP_LON + "|" + CP_LAT + "|" + CP_ACTIONS + "\n"
    #e = CP_CITYID + "|" + CP_IMEI + "|" + CP_UID + "|" + "|" + CP_LAT + "|" + "\n"
    #print e.encode("UTF-8")

    c.write(e.encode("UTF-8"))

c.close()
a.close()