def update_packages(url_list): cos_client = CosClient(app_id, secret_id, secret_key, region) for package in url_list: print package.filename if package.status == 'need update': print 'update' elif package.status == 'not exist': print 'downloading', package.filename urllib.urlretrieve(package.url, os.path.join('packages', 'CTS', package.filename), reporthook=report) sys.stdout.flush() else: print 'skip', package.filename request = StatFileRequest(bucket, unicode('/cts/' + package.filename)) stat_file_ret = cos_client.stat_file(request) if stat_file_ret['code'] != 0: file_path = os.path.join(os.path.dirname(__file__), 'packages', 'CTS', package.filename) request = UploadFileRequest(bucket, unicode('/cts/' + package.filename), unicode(file_path)) upload_file_ret = cos_client.upload_file(request) print upload_file_ret
def download_cos(file): appid = 100000 # 根据自己的情况填写 secret_id = u'# 根据自己的情况填写' secret_key = u'# 根据自己的情况填写' region = '# 根据自己的情况填写' bucket = u'# 根据自己的情况填写' cos_client = CosClient(appid, secret_id, secret_key, region) request = StatFileRequest(bucket, u'/' + file) stat = cos_client.stat_file(request) if stat['code'] != 0: return 0 download_url = stat['data']['source_url'] # 使用外网直接访问 URL start = time.time() r = requests.get(download_url, timeout=60) end = time.time() if r.status_code != 200: return 0 elapsed = (end - start) * 1000.0 print 'COS Download File Time %0.3f ms' % elapsed return elapsed
class CosV4StorageService(storage_service.StorageService): def __init__(self, *args, **kwargs): appid = int(kwargs['appid']) region = kwargs['region'] accesskeyid = unicode(kwargs['accesskeyid']) accesskeysecret = unicode(kwargs['accesskeysecret']) bucket = unicode(kwargs['bucket']) if 'prefix_dir' in kwargs: self._prefix_dir = kwargs['prefix_dir'] else: self._prefix_dir = None self._cos_api = CosClient(appid, accesskeyid, accesskeysecret, region=region) self._bucket = bucket self._overwrite = kwargs[ 'overwrite'] == 'true' if 'overwrite' in kwargs else False self._max_retry = 20 def download(self, task, local_path): # self._oss_api.get_object_to_file(urllib.unquote(cos_path).encode('utf-8'), local_path) for i in range(20): logger.info("download file with rety {0}".format(i)) import os try: os.remove(task.key) except: pass req = DownloadFileRequest(self._bucket, task.key, local_path) ret = self._cos_api.download_file(req) # self._oss_api.get_object_to_file(task.key, local_path) logger.debug(str(ret)) if task.size is None: logger.info( "task's size is None, skip check file size on local") break from os import path if path.getsize(local_path) != int(task.size): logger.error( "Download Failed, size1: {size1}, size2: {size2}".format( size1=path.getsize(local_path), size2=task.size)) else: logger.info("Download Successfully, break") break else: raise IOError("Download Failed with 20 retry") def upload(self, task, local_path): cos_path = task.key if not cos_path.startswith('/'): cos_path = '/' + cos_path if self._prefix_dir: cos_path = self._prefix_dir + cos_path if isinstance(local_path, unicode): local_path.encode('utf-8') insert_only = 0 if self._overwrite else 1 for i in range(10): try: upload_request = UploadFileRequest(self._bucket, unicode(cos_path), local_path, insert_only=insert_only) upload_file_ret = self._cos_api.upload_file(upload_request) if upload_file_ret[u'code'] != 0: logger.warn("upload failed:" + str(upload_file_ret)) raise OSError("UploadError: " + str(upload_file_ret)) else: break except: pass else: raise IOError("upload failed") def list(self): if self._prefix_dir is None: for i in self.dfs('/'): yield i else: for i in self.dfs(self._prefix_dir): yield i def dfs(self, path): print "DFS: {path}".format(path=to_utf8(path)) _finish = False _context = u'' max_retry = self._max_retry path = to_unicode(path) while not _finish: request = ListFolderRequest(bucket_name=self._bucket, cos_path=path, context=_context) ret = self._cos_api.list_folder(request) if ret['code'] != 0: max_retry -= 1 else: _finish = ret['data']['listover'] _context = ret['data']['context'] for item in ret['data']['infos']: if 'filelen' in item: try: key = "{prefix}{filename}".format( prefix=path, filename=item['name']) yield Task(key, item['filelen'], None) except: pass else: _sub_dir = "{prefix}{filename}".format( prefix=path.encode('utf-8'), filename=item['name'].encode('utf-8')) for i in self.dfs(_sub_dir): yield i if max_retry == 0: _finish = True def exists(self, task): _path = task.key _size = task.size if not _path.startswith('/'): _path = '/' + _path logger = getLogger(__name__) # logger.info("func: exists: " + str(_path)) if self._prefix_dir: _path = self._prefix_dir + _path if isinstance(_path, str): _path = _path.decode('utf-8') request = StatFileRequest(self._bucket, _path) ret = self._cos_api.stat_file(request) logger.debug("ret: " + str(ret)) # import json # v = json.loads(ret) if ret['code'] != 0: # logger.warn("error code: " + str(ret['code'])) return False if ret['data']['filelen'] != ret['data']['filesize']: logger.warn( "file is broken, filelen: {len}, filesize: {size}".format( len=ret['data']['filelen'], size=ret['data']['filesize'])) return False elif _size is not None and ret['data']['filelen'] != _size: return False elif ret['data']['filelen'] != _size: return False return True
def cos_demo(): # 设置用户属性, 包括appid, secret_id和secret_key # 这些属性可以在cos控制台获取(https://console.qcloud.com/cos) appid = 111 # 替换为用户的appid secret_id = u'' # 替换为用户的secret_id secret_key = u'' # 替换为用户的secret_key region = "shanghai" # # 替换为用户的region,目前可以为 shanghai/guangzhou cos_client = CosClient(appid, secret_id, secret_key, region) # 设置要操作的bucket bucket = u'' ############################################################################ # 文件操作 # ############################################################################ # 1. 上传文件(默认不覆盖) # 将本地的local_file_1.txt上传到bucket的根分区下,并命名为sample_file.txt # 默认不覆盖, 如果cos上文件存在,则会返回错误 request = UploadFileRequest(bucket, u'/sample_file.txt', u'local_file_1.txt') upload_file_ret = cos_client.upload_file(request) logger.info("upload file, return message: " + str(upload_file_ret)) # 分片上传大文件 request = UploadSliceFileRequest(bucket, u'/sample_bigfile.txt', u'local_bigfile.txt') ret = cos_client.upload_slice_file(request) logger.info("slice upload, return message: " + str(ret)) # 2. 上传文件(覆盖文件) # 将本地的local_file_2.txt上传到bucket的根分区下,覆盖已上传的sample_file.txt with open('local_file_2.txt', 'w') as f: f.write("hello world2") request = UploadFileRequest(bucket, u'/sample_file.txt', u'local_file_2.txt') request.set_insert_only(0) # 设置允许覆盖 upload_file_ret = cos_client.upload_file(request) logger.info('overwrite file, return message:' + str(upload_file_ret)) # 3. 获取文件属性 request = StatFileRequest(bucket, u'/sample_file.txt') stat_file_ret = cos_client.stat_file(request) logger.info('stat file, return message: ' + str(stat_file_ret)) # 4. 更新文件属性 request = UpdateFileRequest(bucket, u'/sample_file.txt') request.set_biz_attr(u'这是个demo文件') # 设置文件biz_attr属性 request.set_authority(u'eWRPrivate') # 设置文件的权限 request.set_cache_control(u'cache_xxx') # 设置Cache-Control request.set_content_type(u'application/text') # 设置Content-Type request.set_content_disposition(u'ccccxxx.txt') # 设置Content-Disposition request.set_content_language(u'english') # 设置Content-Language request.set_x_cos_meta(u'x-cos-meta-xxx', u'xxx') # 设置自定义的x-cos-meta-属性 request.set_x_cos_meta(u'x-cos-meta-yyy', u'yyy') # 设置自定义的x-cos-meta-属性 update_file_ret = cos_client.update_file(request) logger.info('update file, return message: ' + str(update_file_ret)) # 5. 更新后再次获取文件属性 request = StatFileRequest(bucket, u'/sample_file.txt') stat_file_ret = cos_client.stat_file(request) logger.info('stat file, return message: ' + str(stat_file_ret)) ############################################################################ # 目录操作 # ############################################################################ # 1. 生成目录, 目录名为sample_folder request = CreateFolderRequest(bucket, u'/sample_folder/') create_folder_ret = cos_client.create_folder(request) logger.info('create folder ret:' + str(create_folder_ret)) # 2. 更新目录的biz_attr属性 request = UpdateFolderRequest(bucket, u'/sample_folder/', u'这是一个测试目录') update_folder_ret = cos_client.update_folder(request) logger.info('update folder ret:' + str(update_folder_ret)) # 3. 获取目录属性 request = StatFolderRequest(bucket, u'/sample_folder/') stat_folder_ret = cos_client.stat_folder(request) logger.info("stat folder, return message: " + str(stat_folder_ret)) # 4. list目录, 获取目录下的成员 request = ListFolderRequest(bucket, u'/sample_folder/') list_folder_ret = cos_client.list_folder(request) logger.info("list folder, return message: " + str(list_folder_ret)) # 5. 删除目录 request = DelFolderRequest(bucket, u'/sample_folder/') delete_folder_ret = cos_client.del_folder(request) logger.info("delete folder, return message: " + str(delete_folder_ret))
def cos_demo(): # 设置用户属性, 包括appid, secret_id和secret_key # 这些属性可以在cos控制台获取(https://console.qcloud.com/cos) appid = 100000 # 替换为用户的appid secret_id = u'xxxxxxxx' # 替换为用户的secret_id secret_key = u'xxxxxxx' # 替换为用户的secret_key cos_client = CosClient(appid, secret_id, secret_key) # 设置要操作的bucket bucket = u'mybucket' ############################################################################ # 文件操作 # ############################################################################ # 1. 上传文件(默认不覆盖) # 将本地的local_file_1.txt上传到bucket的根分区下,并命名为sample_file.txt # 默认不覆盖, 如果cos上文件存在,则会返回错误 request = UploadFileRequest(bucket, u'/sample_file.txt', u'local_file_1.txt') upload_file_ret = cos_client.upload_file(request) print 'upload file ret:', repr(upload_file_ret) # 2. 上传文件(覆盖文件) # 将本地的local_file_2.txt上传到bucket的根分区下,覆盖已上传的sample_file.txt request = UploadFileRequest(bucket, u'/sample_file.txt', u'local_file_2.txt') request.set_insert_only(0) # 设置允许覆盖 upload_file_ret = cos_client.upload_file(request) print 'overwrite file ret:', repr(upload_file_ret) # 3. 获取文件属性 request = StatFileRequest(bucket, u'/sample_file.txt') stat_file_ret = cos_client.stat_file(request) print 'stat file ret:', repr(stat_file_ret) # 4. 更新文件属性 request = UpdateFileRequest(bucket, u'/sample_file.txt') request.set_biz_attr(u'这是个demo文件') # 设置文件biz_attr属性 request.set_authority(u'eWRPrivate') # 设置文件的权限 request.set_cache_control(u'cache_xxx') # 设置Cache-Control request.set_content_type(u'application/text') # 设置Content-Type request.set_content_disposition(u'ccccxxx.txt') # 设置Content-Disposition request.set_content_language(u'english') # 设置Content-Language request.set_x_cos_meta(u'x-cos-meta-xxx', u'xxx') # 设置自定义的x-cos-meta-属性 request.set_x_cos_meta(u'x-cos-meta-yyy', u'yyy') # 设置自定义的x-cos-meta-属性 update_file_ret = cos_client.update_file(request) print 'update file ret:', repr(update_file_ret) # 5. 更新后再次获取文件属性 request = StatFileRequest(bucket, u'/sample_file.txt') stat_file_ret = cos_client.stat_file(request) print 'stat file ret:', repr(stat_file_ret) # 6. 移动文件, 将sample_file.txt移动位sample_file_move.txt request = MoveFileRequest(bucket, u'/sample_file.txt', u'/sample_file_move.txt') stat_file_ret = cos_client.move_file(request) print 'move file ret:', repr(stat_file_ret) # 7. 删除文件 request = DelFileRequest(bucket, u'/sample_file_move.txt') del_ret = cos_client.del_file(request) print 'del file ret:', repr(del_ret) ############################################################################ # 目录操作 # ############################################################################ # 1. 生成目录, 目录名为sample_folder request = CreateFolderRequest(bucket, u'/sample_folder/') create_folder_ret = cos_client.create_folder(request) print 'create folder ret:', create_folder_ret # 2. 更新目录的biz_attr属性 request = UpdateFolderRequest(bucket, u'/sample_folder/', u'这是一个测试目录') update_folder_ret = cos_client.update_folder(request) print 'update folder ret:', repr(update_folder_ret) # 3. 获取目录属性 request = StatFolderRequest(bucket, u'/sample_folder/') stat_folder_ret = cos_client.stat_folder(request) print 'stat folder ret:', repr(stat_folder_ret) # 4. list目录, 获取目录下的成员 request = ListFolderRequest(bucket, u'/sample_folder/') list_folder_ret = cos_client.list_folder(request) print 'list folder ret:', repr(list_folder_ret) # 5. 删除目录 request = DelFolderRequest(bucket, u'/sample_folder/') delete_folder_ret = cos_client.del_folder(request) print 'delete folder ret:', repr(delete_folder_ret)
def cos_demo(): # 设置用户属性, 包括appid, secret_id和secret_key # 这些属性可以在cos控制台获取(https://console.qcloud.com/cos) appid = 100000 # 替换为用户的appid secret_id = u"xxxxxxxx" # 替换为用户的secret_id secret_key = u"xxxxxxx" # 替换为用户的secret_key cos_client = CosClient(appid, secret_id, secret_key) # 设置要操作的bucket bucket = u"mybucket" ############################################################################ # 文件操作 # ############################################################################ # 1. 上传文件(默认不覆盖) # 将本地的local_file_1.txt上传到bucket的根分区下,并命名为sample_file.txt # 默认不覆盖, 如果cos上文件存在,则会返回错误 request = UploadFileRequest(bucket, u"/sample_file.txt", u"local_file_1.txt") upload_file_ret = cos_client.upload_file(request) print "upload file ret:", repr(upload_file_ret) # 2. 上传文件(覆盖文件) # 将本地的local_file_2.txt上传到bucket的根分区下,覆盖已上传的sample_file.txt request = UploadFileRequest(bucket, u"/sample_file.txt", u"local_file_2.txt") request.set_insert_only(0) # 设置允许覆盖 upload_file_ret = cos_client.upload_file(request) print "overwrite file ret:", repr(upload_file_ret) # 3. 获取文件属性 request = StatFileRequest(bucket, u"/sample_file.txt") stat_file_ret = cos_client.stat_file(request) print "stat file ret:", repr(stat_file_ret) # 4. 更新文件属性 request = UpdateFileRequest(bucket, u"/sample_file.txt") request.set_biz_attr(u"这是个demo文件") # 设置文件biz_attr属性 request.set_authority(u"eWRPrivate") # 设置文件的权限 request.set_cache_control(u"cache_xxx") # 设置Cache-Control request.set_content_type(u"application/text") # 设置Content-Type request.set_content_disposition(u"ccccxxx.txt") # 设置Content-Disposition request.set_content_language(u"english") # 设置Content-Language request.set_x_cos_meta(u"x-cos-meta-xxx", u"xxx") # 设置自定义的x-cos-meta-属性 request.set_x_cos_meta(u"x-cos-meta-yyy", u"yyy") # 设置自定义的x-cos-meta-属性 update_file_ret = cos_client.update_file(request) print "update file ret:", repr(update_file_ret) # 5. 更新后再次获取文件属性 request = StatFileRequest(bucket, u"/sample_file.txt") stat_file_ret = cos_client.stat_file(request) print "stat file ret:", repr(stat_file_ret) # 6. 移动文件, 将sample_file.txt移动位sample_file_move.txt request = MoveFileRequest(bucket, u"/sample_file.txt", u"/sample_file_move.txt") stat_file_ret = cos_client.move_file(request) print "move file ret:", repr(stat_file_ret) # 7. 删除文件 request = DelFileRequest(bucket, u"/sample_file_move.txt") del_ret = cos_client.del_file(request) print "del file ret:", repr(del_ret) ############################################################################ # 目录操作 # ############################################################################ # 1. 生成目录, 目录名为sample_folder request = CreateFolderRequest(bucket, u"/sample_folder/") create_folder_ret = cos_client.create_folder(request) print "create folder ret:", create_folder_ret # 2. 更新目录的biz_attr属性 request = UpdateFolderRequest(bucket, u"/sample_folder/", u"这是一个测试目录") update_folder_ret = cos_client.update_folder(request) print "update folder ret:", repr(update_folder_ret) # 3. 获取目录属性 request = StatFolderRequest(bucket, u"/sample_folder/") stat_folder_ret = cos_client.stat_folder(request) print "stat folder ret:", repr(stat_folder_ret) # 4. list目录, 获取目录下的成员 request = ListFolderRequest(bucket, u"/sample_folder/") list_folder_ret = cos_client.list_folder(request) print "list folder ret:", repr(list_folder_ret) # 5. 删除目录 request = DelFolderRequest(bucket, u"/sample_folder/") delete_folder_ret = cos_client.del_folder(request) print "delete folder ret:", repr(delete_folder_ret)
class CosV4StorageService(storage_service.StorageService): def __init__(self, *args, **kwargs): appid = int(kwargs['appid']) region = kwargs['region'] accesskeyid = unicode(kwargs['accesskeyid']) accesskeysecret = unicode(kwargs['accesskeysecret']) bucket = unicode(kwargs['bucket']) if 'prefix_dir' in kwargs: self._prefix_dir = kwargs['prefix_dir'] else: self._prefix_dir = None # filelist存在时, prefix_dir不生效 if 'filelist' in kwargs: self._filelist = kwargs['filelist'] self._prefix_dir = None else: self._filelist = None if 'sync_files' in kwargs: self._sync_files_dir = kwargs['sync_files'] else: self._sync_files_dir = '/tmp/workspace/sync_files' self._cos_api = CosClient(appid, accesskeyid, accesskeysecret, region=region) self._bucket = bucket self._overwrite = kwargs['overwrite'] == 'true' if 'overwrite' in kwargs else False self._max_retry = 20 def download(self, task, local_path): return self._download(task, local_path, False) def _download(self, task, local_path, is_ignore_size): for i in range(20): logger.info("download file with rety {0}".format(i)) import os try: os.remove(task.key) except: pass req = DownloadFileRequest(self._bucket, task.key, local_path) ret = self._cos_api.download_file(req) logger.debug(str(ret)) if ret['code'] != 0: logger.error("error code: " + str(ret['code'])) raise IOError("Download Failed, ret=" + str(ret)) if is_ignore_size: logger.info("Download Successfully, break") break if task.size is None: logger.info("task's size is None, skip check file size on local") break from os import path task_size = 0 if isinstance(task.size, int): task_size = task.size else: task_size = int(task.size['filelen']) if path.getsize(local_path) != task_size: logger.error("Download Failed, size1: {size1}, size2: {size2}".format(size1=path.getsize(local_path), size2=task_size)) else: logger.info("Download Successfully, break") break else: raise IOError("Download Failed with 20 retry") def upload(self, task, local_path): cos_path = task.key if not cos_path.startswith('/'): cos_path = '/' + cos_path if self._prefix_dir: cos_path = self._prefix_dir + cos_path if isinstance(local_path, unicode): local_path.encode('utf-8') insert_only = 0 if self._overwrite else 1 for i in range(10): try: upload_request = UploadFileRequest(self._bucket, unicode(cos_path), local_path, insert_only=insert_only) upload_file_ret = self._cos_api.upload_file(upload_request) if upload_file_ret[u'code'] != 0: logger.warn("upload failed:" + str(upload_file_ret)) raise OSError("UploadError: " + str(upload_file_ret)) else: break except: pass else: raise IOError("upload failed") def list(self, marker): if self._filelist is not None and len(self._filelist) > 0: filelist_path = self._sync_files_dir + '/' + os.path.basename(self._filelist) filelist_task = Task(self._filelist, None, None, None) self._download(filelist_task, filelist_path, True) with open(filelist_path) as f: line = f.readline() while line: if not line.startswith('/'): line = '/' + line task = self.get_task_by_key(line.strip()) yield task line = f.readline() else: if self._prefix_dir is None: for i in self.dfs('/'): yield i else: for i in self.dfs(self._prefix_dir): yield i def dfs(self, path): print "DFS: {path}".format(path=to_utf8(path)) _finish = False _context = u'' max_retry = self._max_retry path = to_unicode(path) while not _finish: request = ListFolderRequest(bucket_name=self._bucket, cos_path=path, context=_context) request.set_delimiter = '/' ret = self._cos_api.list_folder(request) logger.debug(str(ret)) if ret['code'] != 0: max_retry -= 1 else: _finish = ret['data']['listover'] _context = ret['data']['context'] for item in ret['data']['infos']: if 'filelen' in item: try: key = "{prefix}{filename}".format(prefix=path, filename=item['name']) logger.info("key=%s", key) yield Task(key, item, None, None) except: pass else: _sub_dir = "{prefix}{filename}".format(prefix=path.encode('utf-8'), filename=item['name'].encode('utf-8')) for i in self.dfs(_sub_dir): yield i if max_retry == 0: _finish = True def exists(self, task): _path = task.key _size = task.size if not _path.startswith('/'): _path = '/' + _path logger = getLogger(__name__) # logger.info("func: exists: " + str(_path)) if self._prefix_dir: _path = self._prefix_dir + _path if isinstance(_path, str): _path = _path.decode('utf-8') request = StatFileRequest(self._bucket, _path) ret = self._cos_api.stat_file(request) logger.debug("ret: " + str(ret)) # import json # v = json.loads(ret) if ret['code'] != 0: # logger.warn("error code: " + str(ret['code'])) return False if int(ret['data']['filelen']) != int(ret['data']['filesize']): logger.warn("file is broken, filelen: {len}, filesize: {size}".format( len=ret['data']['filelen'], size=ret['data']['filesize'] )) return False elif _size is not None and int(ret['data']['filelen']) != int(_size): return False return True def get_task_by_key(self, key): _path = key if not _path.startswith('/'): _path = '/' + _path logger = getLogger(__name__) if isinstance(_path, str): _path = _path.decode('utf-8') request = StatFileRequest(self._bucket, _path) ret = self._cos_api.stat_file(request) logger.info("ret: " + str(ret)) # import json # v = json.loads(ret) if ret['code'] != 0: logger.warn("get task by key error, key = {},error code: {}".format(key, str(ret['code']))) return Task(key, None, None, None) return Task(key, int(ret['data']['filesize']), None, None)