python公司内项目对接钉钉审批流程的实现(审批回调)

最近把组内的一个项目对接钉钉审批接口，通过python3.6。

钉钉官方文档

废话不多说了，上代码：

import requests
import json
import time
from dingtalk.crypto import DingTalkCrypto
from django.conf import settings
# settings.BASE_DIR

class Crypto(object):
 def __init__(self, token):
  # 随便填的字符串
  self.token = token
  # 自己生成的43位随机字符串
  self.aes_key = settings.DINGDING.get("DINGTALK_AES_TOKEN")
  # 钉钉企业ID
  self.corp_id = settings.DINGDING.get("CorpId") #
  print("corp_id:", self.corp_id)
  self.nonce = settings.DINGDING.get("nonce")
  self.crypto = DingTalkCrypto(
token=self.nonce,
encoding_aes_key=self.aes_key,
corpid_or_suitekey=self.corp_id
  )
 def encrypt_success(self):
  # 返回加密success
  result = self.crypto.encrypt_message(
msg="success",
nonce=self.nonce,
timestamp=int(time.time()*1000)
  )
  return result

class DING(object):
 def __init__(self, approve_process):
  self.AgentId = settings.DINGDING.get("AgentId")
  self.AppKey = settings.DINGDING.get("AppKey")
  self.AppSecret = settings.DINGDING.get("AppSecret")
  self.dingding_url = settings.DINGDING.get("URL")
  self.process_code = settings.DINGDING.get("APPROVE_PROCESS").get(approve_process)['process_code']
  self.aes_key = settings.DINGDING.get("DINGTALK_AES_TOKEN")
  self.nonce = settings.DINGDING.get("nonce")
 def get_token(self):
  '''
  获取钉钉的token
  :return: 钉钉token
  '''
  url = self.dingding_url + '/gettoken?appkey={}&appsecret={}'.format(self.AppKey, self.AppSecret)
  req = requests.get(url)
  req = json.loads(req.text)
  return req['access_token']
# def createCallbackDd():
#  '''
#  注册钉钉回调函数
#  :return:
#  '''
#  url = 'https://oapi.dingtalk.com/call_back/register_call_back?access_token=' + self.getToken()
#  data = {
#"call_back_tag": ["bpms_task_change", "bpms_instance_change"],  #这两个回调种类是审批的
#"token": TOKEN,  #自定义的字符串
#"aes_key": AES_KEY, #自定义的43位字符串，密钥
#"url": URL  #回调地址
#  }
#  requests.post(url, data=json.dumps(data))
#  return ('OK')
 def create_process(self, originator_user_id, dept_id, form_component_value_vo, approvers, cc_list, has_cc=0):
  '''
  创建钉钉审批
  approvers为list 元素为钉钉useridcc_list同理
  '''
  url = self.dingding_url + '/topapi/processinstance/create?access_token=' + self.get_token()
  print("form_component_value_vo:", form_component_value_vo)
  if has_cc == 0:
data = {
 'agent_id': self.AgentId,
 'process_code': self.process_code,  #工单id
 'originator_user_id': originator_user_id,
 'dept_id': dept_id,  #创建人的钉钉部门id
 'form_component_values': str(form_component_value_vo), #钉钉后台配置的需要填写的字段,
 'approvers': approvers,
 'cc_list': cc_list,
 'cc_position': 'START_FINISH'  #　发起和完成时与抄送
}
  else:
data = {
 'agent_id': self.AgentId,
 'process_code': self.process_code,  #工单id
 'originator_user_id': originator_user_id, #创建人的钉钉userid
 'dept_id': dept_id,  #创建人的钉钉部门id
 'form_component_values': str(form_component_value_vo), #钉钉后台配置的需要填写的字段,
 'approvers': approvers,
}
  print("dingding_utils:", data)
  response = requests.post(url, data=data)
  return response.json()
 def get_status(self, process_instance_id):
  url = self.dingding_url + '/topapi/processinstance/get?access_token=' + self.get_token()
  data = {
"process_instance_id": process_instance_id
  }
  response = requests.post(url, data=data)
  return response.json()
 def register_callback(self, call_back_url):
  # 注册回调
  url = self.dingding_url + '/call_back/register_call_back?access_token=' + self.get_token()
  print("self.get_token():", self.get_token())
  data = {
"call_back_tag": ['bpms_task_change', 'bpms_instance_change'],
"token": self.nonce,
"aes_key": self.aes_key,
"url": call_back_url,
  }
  response = requests.post(url, data=json.dumps(data))
  return response.json()
 def get_callback(self):
  url = self.dingding_url + '/call_back/get_call_back?access_token=' + self.get_token()
  req = requests.get(url)
  req = json.loads(req.text)
  return req
 def create_process_approver_v2(self, originator_user_id, dept_id, form_component_value_vo, approvers, cc_list):
  '''
  创建钉钉审批
  '''
  url = self.dingding_url + '/topapi/processinstance/create?access_token=' + self.get_token()
  data = {
'agent_id': self.AgentId,
'process_code': self.process_code,
'originator_user_id': originator_user_id,
'dept_id': dept_id,
'form_component_values': str(form_component_value_vo),
'approvers_v2': json.dumps(approvers)
  }
  if cc_list:
data['cc_list'] = cc_list
data['cc_position'] = 'FINISH'
  response = requests.post(url, data=data)
  return response.json()
 def create_process_approver_v2_test(self, originator_user_id, dept_id, form_component_value_vo):
  '''
  创建钉钉审批
  '''
  url = self.dingding_url + '/topapi/processinstance/create?access_token=' + self.get_token()
  data = {
'agent_id': self.AgentId,
'process_code': self.process_code,
'originator_user_id': originator_user_id,
'dept_id': dept_id,
'form_component_values': str(form_component_value_vo),
'approvers_v2': json.dumps([
 {
  "task_action_type": "NONE",
  "user_ids": ["dingding_id"],# 单独审批人
 },
 {
  "task_action_type": "OR",
  "user_ids": ["dingding_id1", "dingding_id2"],# 或签
 },
 {
  "task_action_type": "AND",
  "user_ids": ["dingding_id1", "dingding_id2"],  # 会签
 }
])
  }
  response = requests.post(url, data=data)
  return response.json()

if __name__ == "__main__":
 import django, os, sys
 sys.path.append('xxxxxx')# 项目路径
 os.environ['DJANGO_SETTINGS_MODULE'] = 'xx.settings'
 # print("settings.DINGDING", settings.DINGDING)
 ding = DING("create_xx")
 # print(ding.get_token())
 # info = [{'name': '单行输入框','value': 'testixxxxxxxx'}]
 # # print(ding.create_process('11', 11, info))
 a = [
  {'name': "输入框1", 'value': "value1"},
  {'name': "输入框2", 'value': "value2"},
 ]
 # print(ding.create_process_test('11', 11, a))
 # print(ding.create_process_approver_v2_test('11', 11, a))
 # print(ding.create_process_test2())
 # print(ding.get_status('xxx'))
 print(ding.get_status('xx'))
 # # 验证  回调
 # a = ding.get_token()
 # print(a)
 # c = Crypto(a)
 # print(c.encrypt_success())
 # 注册回调
 # print(ding.register_callback("http://xxxx.vaiwan.com/xxx"))
 # print(ding.get_callback())

说明：

1 Crypto类用于对接钉钉回调用的。一个公司只有一个corpId，并且一个corpid只能注册一个回调地址。我司有公共组注册好了回调。只要接入公司内的回调即可。所以我实际没有使用到Crypto。

2 在钉钉管理后台中创建应用后会有这三个东西：AgentId、AppKey，AppSecret 。在创建钉钉审批流程，可以从审批流程浏览器中获取到APPROVE_PROCESS。别忘啦给这个流程审批接口权限。这些官方文档有说。

3 配置setting变量：

DINGDING = {
 "AgentId": 123,
 "AppKey": "xx",
 "AppSecret": "xx",
 "URL": "https://oapi.dingtalk.com",
 "APPROVE_PROCESS": { # process_code
  "create_xx": {
"process_code": "abc", # 审批流程的id
 },
 "DINGTALK_AES_TOKEN": "abc",
 "nonce": "abc",
 "CorpId": "abc",
}

　4 接口形式创建的审批流程，与钉钉管理后台创建的流程有一些不同：

　　1 不能在不同的审批环节设置不同的抄送人

　　2 不能审批流程前后有相同的人，不能自动显示成 “自动同意”(管理后台设置成去重后，但是接口指定审批人场景，不支持)

　5 其他如：审批内容、或签，会签代码里都有示例。

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