b2sdk._internal.transfer.inbound.download_manager – Manager of downloaders

class b2sdk._internal.transfer.inbound.download_manager.DownloadManager(write_buffer_size=None, check_hash=True, max_download_streams_per_file=None, **kwargs)

Bases: TransferManager, ThreadPoolMixin

Handle complex actions around downloads to free raw_api from that responsibility.

Parameters:

• write_buffer_size (Optional[int]) –

• check_hash (bool) –

• max_download_streams_per_file (Optional[int]) –

DEFAULT_MIN_PART_SIZE = 104857600

MIN_CHUNK_SIZE = 8192

MAX_CHUNK_SIZE = 1048576

PARALLEL_DOWNLOADER_CLASS

alias of ParallelDownloader

SIMPLE_DOWNLOADER_CLASS

alias of SimpleDownloader

__init__(write_buffer_size=None, check_hash=True, max_download_streams_per_file=None, **kwargs)

Initialize the DownloadManager using the given services object.

Parameters:

• write_buffer_size (Optional[int]) –

• check_hash (bool) –

• max_download_streams_per_file (Optional[int]) –

download_file_from_url(url, progress_listener=None, range_=None, encryption=None)

Download file by URL.

Parameters:

• url (str) – url from which the file should be downloaded

• progress_listener (Optional[AbstractProgressListener]) – where to notify about downloading progress

• range – 2-element tuple containing data of http Range header

• encryption (Optional[EncryptionSetting]) – encryption setting (None if unknown)

• range_ (Optional[tuple[int, int]]) –

• encryption –

Return type:

DownloadedFile