Python自定义钉钉机器人发送自动化结果报告

环境python3.5+jenkins

# coding:utf-8
import urllib.request
import json
import sys
import time
import re

class dingHook(object):
    def __init__(self,sys):
        self.msg = sys.argv[1:]
        self.url = "https://oapi.dingtalk.com/robot/send?access_token=30eee8d20287b0051d7c25cc6e468dcdd01XXXX"

    def request(self, url, method, data=None, head={}):
        request = urllib.request.Request(url=url, headers=head)
        request.get_method = lambda: method
        httpRes = urllib.request.urlopen(request, data)
        content = httpRes.read()
        httpRes.close()
        return content

    def post_start(self):
        data = {}
        data["msgtype"] = "text"
        data["text"] = {}
        data["text"]["content"] = " jenkins：开始执行{}自动化......".format(self.msg[0])
        data = json.dumps(data).encode(encoding='UTF8')
        head = {"Content-Type": "application/json"}
        content = self.request(self.url, "POST", data, head)
        print(content)
        return content

    def post_link(self, text, title, picurl="", messageurl=""):
        data = {}
        data["msgtype"] = "link"
        data["link"] = {}
        data["link"]["text"] = text
        data["link"]["title"] = title
        data["link"]["picUrl"] = picurl
        data["link"]["messageUrl"] = messageurl
        data = json.dumps(data).encode(encoding='UTF8')
        head = {"Content-Type": "application/json"}
        content = self.request(self.url, "POST", data, head)
        print(content)
        return content

    def post_result(self):
        i = 0
        result = "FAILURE"
        # 获取当前jenkins构建版本号
        get_buildnum = r"C:\Users\ASUS\.jenkins\jobs\{}\nextBuildNumber".format(self.msg[0])
        with open(get_buildnum, encoding='utf-8')  as fd:
             num = fd.read()
        buildNumber = str(int(num)-1)
        print(buildNumber)
        # 获取jenkins自动化执行结果
        get_buildresult = r"C:\Users\ASUS\.jenkins\jobs\{}\builds\{}\log".format(self.msg[0], buildNumber)
        # with open(get_buildresult)  as output_result:
        #      print("result:",output_result.name)
        #      build_result = output_result.read()
        #获取结果报告中的返回结果
        name_re = r'\\Report\\report\\(.*?.html)'
        with open(get_buildresult )  as fd:
             log_content = fd.read()
        html_name = re.findall(name_re, log_content)
        get_RF_result = r'C:\Users\ASUS\.jenkins\jobs\{}\htmlreports\HTML_Report\{}'.format(self.msg[0], html_name[0])
        print(get_RF_result)
        # jenkins自动化结果报告地址
        messageurl = "http://localhost:8080/job/{}/HTML_Report" .format(self.msg[0])
        # 钉钉结果报告消息图片
        picurl = "D:/work/ClTest/pased.jpg"
        picurl = "http://localhost:8080/job/{}/HTML_Report/pased.jpg".format(self.msg[0])
         # 钉钉结果报告标题
        title = "【%s】执行结果" % self.msg[0]
        print(title)
        try:
            with open(get_buildresult )  as fd:
                build_result = fd.read()
                #防止生成报告没这么快，报错时先等待5s
                if "No such file or directory" in build_result:
                    time.sleep(5)

                #判断jenkins自动化是否执行结束
                if  "Finished" in build_result:
                    with open(get_RF_result,encoding='UTF-8' )  as fd:
                            output_rf_result = fd.read()
                    result = r'<h2>Results</h2>'
                    failure_index = output_rf_result.find(result)
                    result_content = output_rf_result[failure_index:]
                    print(result_content)
                    failure_api = re.findall(r'<td[^>]*>(.*?)</td>', result_content,re.I|re.M)
                    print(failure_api)
                    failure_api = ["- " + a + '\n\n' for a in failure_api]

                    for a in failure_api:
                        if 'Failed' in a:
                             result = " {}自动化执行失败!\n".format(self.msg[0])
                             print(a)
                             content = self.post_link(text=result, title=title, messageurl=messageurl, picurl=picurl)
                             return content
                    result = "{}自动化执行成功!\n".format(self.msg[0])
                    content = self.post_link(text=result, title=title, messageurl=messageurl, picurl=picurl)
                    return content
                    # fail_case = int(case_count_list[1])
                    # suc_case = int(case_count_list[3])
                    # if fail_case == 0:
                    #     result = "SUCCESS-成功:%d-失败:%d" % (suc_case,fail_case)
                    # else:
                    #     result = "FAILURE-成功:%d-失败:%d" % (suc_case,fail_case)
        except Exception as e:
            print(e)
            time.sleep(10)

    def ding_hook(self, itype="start"):
        if itype == "start":
            self.post_start()
        elif itype == "end":
            self.post_result()

if __name__ == '__main__':
    dh = dingHook(sys)
    print(dh.ding_hook(sys.argv[2]))

　　运行命令：python urllib-test.py 工程名 end

问题：TypeError: POST data should be bytes or an iterable of bytes. It cannot be of type str.

data = json.dumps(data)这行后加个.encode(encoding='UTF8')

即