我需要从 urllib2 切换到 urllib3。请求有问题
python2代码:
reqdata='{"PM1OBJ1":{"FREQ":"","U_AC":"","I_AC":"","P_AC":"","P_TOTAL":""}}'
response = urllib2.urlopen('http://'+ ipaddress +'/lala.cgi' ,data=reqdata)
python3代码:
reqdata={"PM1OBJ1":{"FREQ":"","U_AC":"","I_AC":"","P_AC":"","P_TOTAL":""}}
mydata = urllib.parse.urlencode(reqdata)
mydata = mydata.encode('ascii') # data should be bytes
response = urllib.request.urlopen('http://'+ ipaddress +'/lala.cgi', mydata)
当我使用 Wireshare 进行调试时,我看到 pythen2 下的 reqdata 是作为字符串传输的。
使用 python3 看起来像:
那么我如何使用 urllib3 来获得与 urllib2 相同的输出?
你可以使用
PoolManager
来请求,一定要正确安装urllib3,然后这里是你修改后的代码:
import urllib3
import json
ipaddress = "your_ip_address_here"
reqdata = {"PM1OBJ1": {"FREQ": "", "U_AC": "", "I_AC": "", "P_AC": "", "P_TOTAL": ""}}
headers = {'Content-Type': 'application/json'}
http = urllib3.PoolManager()
response = http.request(
'POST',
'http://' + ipaddress + '/lala.cgi',
body=json.dumps(reqdata).encode('ascii'),
headers=headers
)