Python 机器人发送文件到钉钉群

注意事项：文件名最好不包含中文及其他特殊字符，建议全英文，否则会上传失败（错误码 40035）。

二、获取群信息、机器人信息及发送文件

因自定义机器人不支持推送文件，需使用企业机器人。

def dingding_CWGX_getToken():
    url = "https://oapi.dingtalk.com/gettoken?appkey=%s&appsecret=%s" % ("dingpwshwcfdszttvrsy", "T**********H")
    requestData = {'appKey': 'ding**********sy', 'appsecret': 'T9**********H'}
    try:
        response = requests.get(url, timeout=30)
        if response.status_code == 200:
            str_res = response.text
            token = json.loads(str_res).get('access_token')
            return token
    except Exception as e:
        rpa.logger.error(traceback.format_exc())
        return ''

def dingding_robot_send_file(file_path, access_token, mediaId):
    """
    推送钉钉群消息，返回 processQueryKey
    :param access_token: 钉钉 access_token
    :param file_path: 本地文件路径
    :return: processQueryKey or None
    """
    if not access_token:
        access_token = dingding_CWGX_getToken()
    if not mediaId:
        mediaId = upload_dingtalk_media(access_token, file_path)
    
    url = "https://api.dingtalk.com/v1.0/robot/groupMessages/send"
    headers = {"x-acs-dingtalk-access-token": access_token, "Content-Type": "application/json"}
    postdata = {
        "msgParam": "{\"mediaId\":\"{}\",\"fileName\":\"表格.xlsx\",\"fileType\":\"xlsx\"}".format(mediaId),
        "msgKey": "sampleFile",
        "robotCode": "ding**********sy",
        "openConversationId": "cid+**********=="
    }
    try:
        print(postdata)
        result = requests.post(url, headers=headers, data=json.dumps(postdata), timeout=30)
        print(result.text)
        if result["processQueryKey"]:
            return result["processQueryKey"]
        else:
            print("发送失败：{}".format(result['errmsg']))
            return None
    except Exception as e:
        rpa.logger.error(traceback.format_exc())
        return '失败'

注意事项：robotCode 在钉钉应用中创建的机器人中获取，openConversationId 可通过官方文档 chooseChat 接口获取。