本文介绍了如何在阿里云平台上使用智能媒体服务获取token以及进行视频点播操作，包括创建客户端、获取和刷新凭证，以及视频上传、播放信息获取和管理等。

智能媒体服务获取token

# alibabacloud_imm20200930==4.1.0
class Sample(object):
    '''智能媒体服务'''

    def __init__(self):
        self.access_key = '111'
        self.key_secret = '222'

    def weboffice_permission(self):
        return imm_20200930_models.WebofficePermission(
            rename=False,
            readonly=True,
            history=False,
            print=False,
            export=False,
            copy=False
        )

    def create_client(self) -> imm20200930Client:
        """使用AK&SK初始化账号Client"""
        config = open_api_models.Config(access_key_id=self.access_key, access_key_secret=self.key_secret)
        config.endpoint = f'imm.cn-beijing.aliyuncs.com'
        return imm20200930Client(config)

    def get_token(self, filename):
        '''获取凭证'''
        client = self.create_client()
        generate_weboffice_token_request = imm_20200930_models.GenerateWebofficeTokenRequest(
            project_name='edg',
            source_uri=f'oss://fileedg/{filename}',
            permission=self.weboffice_permission()
        )
        runtime = util_models.RuntimeOptions()
        try:
            response = client.generate_weboffice_token_with_options(generate_weboffice_token_request, runtime).body
            logger.debug(f'获取凭证:【{response}】')
            response = dict({'code': 0, 'msg': 'success'}, **eval(str(response)))
        except Exception as error:
            logger.error(f'{error}')
            response = {'code': 500, 'msg': f'{error}'}
        return response

    def refresh_token(self, access_token, refresh_token):
        '''刷新token'''
        client = self.create_client()
        refresh_weboffice_token_request = imm_20200930_models.RefreshWebofficeTokenRequest(
            project_name='edg',
            access_token=access_token,
            refresh_token=refresh_token
        )
        runtime = util_models.RuntimeOptions()
        try:
            response = not client.refresh_weboffice_token_with_options(refresh_weboffice_token_request, runtime).body
            logger.debug(f'刷新凭证:【{response}】')
            response = dict({'code': 0, 'msg': 'success'}, **eval(str(response)))
        except Exception as error:
            logger.error(f'{error}')
            response = {'code': 500, 'msg': f'{error}'}
        return response

视频点播

获取凭证

# https://help.aliyun.com/zh/vod/developer-reference/api-vod-2017-03-21-refreshuploadvideo?spm=a2c4g.11186623.0.0.5b4e3c94BxaDxH

# alibabacloud_vod20170321==2.20.1

from alibabacloud_vod20170321.client import Client as vod20170321Client
from alibabacloud_tea_openapi import models as open_api_models
from alibabacloud_tea_util import models as util_models

class VideoDianBo(object):
    '''视频点播'''
    def __init__(self):
        self.access_key = '111'
        self.key_secret = '222'

    def create_client(self) -> vod20170321Client:
        '''初始化对象'''
        config = open_api_models.Config(access_key_id=self.access_key, access_key_secret=self.key_secret)
        config.endpoint = f'vod.cn-shanghai.aliyuncs.com'
        return vod20170321Client(config)

    def createuploadvideo(self, filename: str, title: str):
        '''
        获取音视频上传地址和凭证
        @params  filename --> 文件名;
        @params  title    --> 标题;
        '''
        client = self.create_client()
        create_upload_video_request = vod_20170321_models.CreateUploadVideoRequest(file_name=filename, title=title)
        runtime = util_models.RuntimeOptions()
        try:
            result = client.create_upload_video_with_options(create_upload_video_request, runtime).body.to_map()
            logger.debug(f'视频点播获取上传凭证:【{result}】')
            return result
        except Exception as error:
            return {'error': error}

    def refreshuploadvideo(self, video_id):
        '''
        刷新音视频上传地址和凭证
        @params  video_id  --> 视频id;
        '''
        client = self.create_client()
        refresh_upload_video_request = vod_20170321_models.RefreshUploadVideoRequest(video_id=video_id)
        runtime = util_models.RuntimeOptions()
        try:
            result = client.refresh_upload_video_with_options(refresh_upload_video_request, runtime).body.to_map()
            logger.debug(f'视频点播刷新上传凭证:【{result}】')
            return result
        except Exception as error:
            return {'error': error}

    def play_info(self, video_id):
        '''根据视频id获取播放链接'''
        client = self.create_client()
        get_play_info_request = vod_20170321_models.GetPlayInfoRequest(video_id=video_id)
        runtime = util_models.RuntimeOptions()
        try:
            result = client.get_play_info_with_options(get_play_info_request, runtime).body.to_map()
            logger.debug(f'视频点播获取播放链接:【{result}】')
            return result
        except Exception as error:
            return {'error': error}
   def delete_video(self, video_ids):
        '''
        删除点播中完整视频(获取凭证后会产生记录)
        @params video_ids --> 视频id;
        '''
        client = self.create_client()
        delete_video_request = vod_20170321_models.DeleteVideoRequest(video_ids=video_ids)
        runtime = util_models.RuntimeOptions()
        try:
            result = client.delete_video_with_options(delete_video_request, runtime).body.to_map()
            logger.debug(f'删除点播视频:【{result}】')
            return result
        except Exception as error:
            return {'error': error}

    def get_video_infos(self, video_ids: str):
        '''
        批量查询视频信息
        @params  video_ids  --> 视频id;多个id用英文逗号分割;
        '''
        client = self.create_client()
        get_video_infos_request = vod_20170321_models.GetVideoInfosRequest(video_ids=video_ids)
        runtime = util_models.RuntimeOptions()
        try:
            result = client.get_video_infos_with_options(get_video_infos_request, runtime).body.to_map()
            logger.debug(f'获取视频信息:【{result}】')
            return result
        except Exception as error:
            return {'error': error}

服务端分片上传

# 测试上传本地音视频
# voduploadsdk==1.0.2
def testUploadLocalVideo(accessKeyId, accessKeySecret, filePath, storageLocation=None):
    try:
        # 可以指定上传脚本部署的ECS区域。如果ECS区域和视频点播存储区域相同，则自动使用内网上传，上传更快且更省公网流量。
        ecsRegionId ="cn-beijing"
        uploader = AliyunVodUploader(accessKeyId, accessKeySecret, ecsRegionId)
        uploadVideoRequest = UploadVideoRequest(filePath, 'exampleTitle')

        if storageLocation:
            uploadVideoRequest.setStorageLocation(storageLocation)
        videoId = uploader.uploadLocalVideo(uploadVideoRequest)
        print("file: %s, videoId: %s" % (uploadVideoRequest.filePath, videoId))

    except AliyunVodException as e:
        print(e)
accessKeyId = '111'
accessKeySecret = '22'

localFilePath = r'D:\Users\11.MP4'
testUploadLocalVideo(accessKeyId, accessKeySecret, localFilePath)