### 实现阿里云视频上传、转码并获取时长和播放链接 为了实现向阿里云上传视频、进行转码以及获取视频时长和播放链接的功能，可以通过 Python 脚本来完成这些操作。以下是详细的解决方案： #### 1. 安装依赖库 由于 `com.aliyun:aliyun-sdk-vod-upload` 可能存在版本兼容性问题[^1]，建议使用官方推荐的方式安装 SDK。 对于 Python 开发者来说，可以直接通过 pip 来安装阿里云 VOD 的 SDK: ```bash pip install aliyun-python-sdk-core pip install aliyun-python-sdk-vod ``` #### 2. 编写脚本 编写一个简单的 Python 脚本来处理视频上传、转码任务创建及查询视频信息的任务。 ```python import json from aliyunsdkcore.client import AcsClient from aliyunsdkvod.request.v20170321.CreateUploadVideoRequest import CreateUploadVideoRequest from aliyunsdkvod.request.v20170321.GetPlayInfoRequest import GetPlayInfoRequest from aliyunsdkvod.request.v20170321.SubmitTranscodeJobsRequest import SubmitTranscodeJobsRequest def create_upload_video(title, filename): client = AcsClient('<your-access-key-id>', '<your-access-key-secret>', 'cn-beijing') request = CreateUploadVideoRequest() request.set_Title(title) request.set_FileName(filename) response_str = client.do_action_with_exception(request) response_dict = json.loads(response_str.decode('utf-8')) return { "video_id": response_dict.get("VideoId"), "upload_address": response_dict.get("UploadAddress").get("URL"), "upload_auth": response_dict.get("UploadAuth") } def submit_transcoding_job(video_id): client = AcsClient('<your-access-key-id>', '<your-access-key-secret>', 'cn-beijing') request = SubmitTranscodeJobsRequest() request.set_VideoId(video_id) response_str = client.do_action_with_exception(request) response_dict = json.loads(response_str.decode('utf-8')) job_ids = [] for item in response_dict["TranscodeJobList"]["TranscodeJob"]: job_ids.append(item["JobId"]) return job_ids def get_play_info(video_id): client = AcsClient('<your-access-key-id>', '<your-access-key-secret>', 'cn-beijing') request = GetPlayInfoRequest() request.set_VideoId(video_id) response_str = client.do_action_with_exception(request) response_dict = json.loads(response_str.decode('utf-8')) play_url = None duration = None if "PlayInfoList" in response_dict and "PlayInfo" in response_dict["PlayInfoList"]: first_play_info = response_dict["PlayInfoList"]["PlayInfo"][0] play_url = first_play_info.get("PlayURL") duration = int(first_play_info.get("Duration")) return {"play_url": play_url, "duration": duration} ``` 请注意，在实际应用中需要替换 `<your-access-key-id>` 和 `<your-access-key-secret>` 为真实的访问密钥 ID 和 Secret[^2]。 此代码片段展示了如何利用阿里云提供的 API 创建视频上传请求、提交转码作业，并最终检索播放地址与视频长度的信息。