python公司内项目对接钉钉审批流程的实现

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userid   cc_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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