我有一个json转储
{
"alarm": [
{
"ackId": 16,
"count": 1,
"description": "<p>A SSH outage was identified on interface\n 10.21.5.39.</p> <p>A new Outage record has been\n created and service level availability calculations will be\n impacted until this outage is resolved.</p>",
"firstEventTime": 1495277308427,
"id": 16,
"ifIndex": null,
"ipAddress": "10.21.5.39",
"lastEvent": {
"createTime": 1495277308437,
"description": "<p>A SSH outage was identified on interface\n 10.21.5.39.</p> <p>A new Outage record has been\n created and service level availability calculations will be\n impacted until this outage is resolved.</p>",
"display": "Y",
"host": "opennms",
"id": 625,
"ifIndex": null,
"ipAddress": "10.21.5.39",
"log": "Y",
"logMessage": "SSH outage identified on interface 10.21.5.39 with reason code: Connection refused (Connection refused).",
"nodeId": 9,
"nodeLabel": "fra01-api-01",
"parameters": [
{
"name": "eventReason",
"type": "string",
"value": "Connection refused (Connection refused)"
}
],
"serviceType": {
"id": 5,
"name": "SSH"
},
"severity": "MINOR",
"source": "OpenNMS.Poller.DefaultPollContext",
"time": 1495277308427,
"uei": "uei.opennms.org/nodes/nodeLostService"
},
"lastEventTime": 1495277308427,
"logMessage": "SSH outage identified on interface 10.21.5.39 with reason code: Connection refused (Connection refused).",
"managedObjectInstance": null,
"managedObjectType": null,
"nodeId": 9,
"nodeLabel": "fra01-api-01",
"ossPrimaryKey": null,
"parameters": [
{
"name": "eventReason",
"type": "string",
"value": "Connection refused (Connection refused)"
}
],
"qosAlarmState": null,
"reductionKey": "uei.opennms.org/nodes/nodeLostService::9:10.21.5.39:SSH",
"serviceType": {
"id": 5,
"name": "SSH"
},
"severity": "MINOR",
"suppressedTime": 1495277308427,
"suppressedUntil": 1495277308427,
"type": 1,
"uei": "uei.opennms.org/nodes/nodeLostService",
"x733AlarmType": null,
"x733ProbableCause": 0
}
],
"count": 1,
"offset": null,
"totalCount": 1
}
我写了一个小代码来从json获取一些细节
def get_nodes_opennms():
headers={'Accept': 'application/json' }
x = requests.get('http://localhost:8980/opennms/rest/alarms?comparator=ge&severity=MINOR?limit=0',headers=headers , auth=('admin', 'Op3AD'))
parsed = json.loads(x.content)
#print json.dumps(parsed, indent=4, sort_keys=True)
wriet_me_to_file = json.dumps(parsed, indent=4, sort_keys=True)
f=open('out.txt', 'w')
f.write(wriet_me_to_file)
for i in json.load(open('out.txt'))["alarm"]:
try:
print (["ipAddress"])
print (["logMessage"])
except Exception as e:
print "something is wrong"
这招我错误:
回溯(最近一次调用最后一次):文件“python_opennms.py”,第24行,在x = get_nodes_opennms()文件“python_opennms.py”,第15行,在get_nodes_opennms中为i在json.load中打开('out.txt '))[“alarm”]:文件“/usr/lib/python2.7/json/init.py”,第291行,加载** kw)文件“/usr/lib/python2.7/json/init .py“,第339行,在load中返回_default_decoder.decode(s)文件”/usr/lib/python2.7/json/decoder.py“,第364行,在解码obj中,end = self.raw_decode(s,idx) = _w(s,0).end())文件“/usr/lib/python2.7/json/decoder.py”,第382行,在raw_decode中引发ValueError(“No JSON对象可以被解码”)ValueError:No JSON对象可以被解码
有人可以帮忙吗
1 回答
您正在打开写入后未关闭的文件 . 可能系统没有完全将流缓冲区刷新到磁盘,因此
open('out.txt')
遇到的文件内容不完整 .最好和最安全的方法是: