华为云OSS建桶与文件上传下载删除及检索示例

实践环境

运行环境：Python 3.5.4CentOS Linux release 7.4.1708 (Core)/Win10

需要安装以下类库：https://github.com/huaweicloud/huaweicloud-sdk-python-obs/blob/master/release/huaweicloud-obs-sdk-python_3.22.2.zip

示例

import tracebacktry:from obs import ObsClientfrom obs import StorageClassfrom obs import CreateBucketHeaderfrom obs import DeleteObjectsRequest, Objectobs_client = Noneobs_client = ObsClient(access_key_id=\'15K7IJ2GKROGEEEFGG51\',secret_access_key=\'HVern8SOfk7SAzCEqDoVXySXZgcP7rpf0iJqiyKd\',server=\'https://obs.cn-south-1.myhuaweicloud.com\')bucket_name = \'mybucket\' # 必须全局唯一 -- 如果该名称被其它账户使用了，那么不能再用该名称创建通过桶location = \'cn-south-1\'# 检查桶是否存在resp = obs_client.headBucket(bucket_name)if resp.status < 300:print(\'Bucket %s 已存在\' % bucket_name)elif resp.status == 404:print(\'Bucket %s 不存在\' % bucket_name)# 创建桶resp = obs_client.createBucket(bucketName=bucket_name, header=CreateBucketHeader(aclControl=\'private\', storageClass=StorageClass.WARM), location=location)if resp.status < 300:print(\'requestId:\', resp.requestId)else:print(\'errorCode:\', resp.errorCode)print(\'errorMessage:\', resp.errorMessage)#  上传本地文件resp = obs_client.putFile(bucket_name, \'f2b/artifacts/artifacts-0bb40b.tar.gz\', \'d:\\\\artifacts-17a86f.tar.gz\')if resp.status < 300:print(\'requestId:\', resp.requestId)print(\'etag:\', resp.body.etag)print(\'versionId:\', resp.body.versionId)print(\'storageClass:\', resp.body.storageClass)else:print(\'errorCode:\', resp.errorCode)print(\'errorMessage:\', resp.errorMessage)# 下载文件 # downloadPath: 下载的文件本地存储路径，如果不存在，会自动创建。注意：如果要将文件存在到当前路径下，不能仅写文件，会报错，需要写成 ./文件名称，形如 ./artifacts.tar.gz\'# resp = obs_client.getObject(bucket_name, \'f2b/artifacts/artifacts-0bb40b.tar.gz\', downloadPath=\'./artifacts.tar.gz\')resp = obs_client.getObject(bucket_name, \'f2b/artifacts/artifacts-0bb40b.tar.gz\', downloadPath=\'d:\\\\testdir\\\\artifacts.tar.gz\')if resp.status < 300:print(\'requestId:\', resp.requestId)print(\'url:\', resp.body.url)else:print(\'errorCode:\', resp.errorCode)print(\'errorMessage:\', resp.errorMessage)#列举桶内对象# resp = obs_client.listObjects(bucket_name, prefix = None, max_keys=2)  # 如果不需要过滤，则prefix可以设置为None、空字符串# 如果查询到的文件对象数量超过max_keys则 resp.body.next_marker为下轮查询结果列表中某个对象的key，否则为Noneresp = obs_client.listObjects(bucket_name, prefix=\'f2b/artifacts\', max_keys=5)while resp.status < 300 and resp.body.contents:print(\'requestId:\', resp.requestId)print(\'name:\', resp.body.name)print(\'prefix:\', resp.body.prefix)print(\'max_keys:\', resp.body.max_keys)print(\'is_truncated:\', resp.body.is_truncated)index = 1print(resp.body.next_marker)for content in resp.body.contents:print(\'object [\' + str(index) + \']\')print(\'key:\', content.key)print(\'lastModified:\', content.lastModified)print(\'etag:\', content.etag)print(\'size:\', content.size)print(\'storageClass:\', content.storageClass)print(\'owner_id:\', content.owner.owner_id)print(\'owner_name:\', content.owner.owner_name)index += 1if resp.body.next_marker:resp = obs_client.listObjects(bucket_name, prefix=\'f2b/artifacts\', marker=resp.body.next_marker, max_keys=5)else:resp.body.contents = []else:if resp.status > 300:print(\'errorCode:\', resp.errorCode)print(\'errorMessage:\', resp.errorMessage)# 删除对象object1 = Object(key=\'f2b/artifacts/artifacts-0bb40b.tar.gz\', versionId=None)resp = obs_client.deleteObjects(bucket_name, DeleteObjectsRequest(quiet=False, objects=[object1]))if resp.status < 300:print(\'requestId:\', resp.requestId)if resp.body.deleted:index = 1for delete in resp.body.deleted:print(\'delete[\' + str(index) + \']\')print(\'key:\', delete.key, \',deleteMarker:\', delete.deleteMarker, \',deleteMarkerVersionId:\', delete.deleteMarkerVersionId)print(\'versionId:\', delete.versionId)index += 1if resp.body.error:index = 1for err in resp.body.error:print(\'err[\' + str(index) + \']\')print(\'key:\', err.key, \',code:\', err.code, \',message:\', err.message)print(\'versionId:\', err.versionId)index += 1else:print(\'errorCode:\', resp.errorCode)print(\'errorMessage:\', resp.errorMessage)except Exception:print(\'%s\' % traceback.format_exc())finally:if obs_client:obs_client.close()

参考连接

https://support.huaweicloud.com/sdk-python-devg-obs/obs_22_0803.htmlhttps://support.huaweicloud.com/sdk-python-devg-obs/obs_22_0801.htmlhttps://support.huaweicloud.com/sdk-python-devg-obs/obs_22_0904.htmlhttps://support.huaweicloud.com/sdk-python-devg-obs/obs_22_0911.htmlhttps://support.huaweicloud.com/sdk-python-devg-obs/obs_22_0805.htmlhttps://support.huaweicloud.com/sdk-python-devg-obs/obs_22_0919.htmlhttps://support.huaweicloud.com/api-obs/obs_04_0022.html