Module arvfile

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Classes

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UnownedBlockError
Raised when there's an writable block without an owner on the BlockManager.

_FileLikeObjectBase

ArvadosFileReaderBase

StreamFileReader

StateChangeError

_BufferBlock
A stand-in for a Keep block that is in the process of being written.

NoopLock

_BlockManager
BlockManager handles buffer blocks.

ArvadosFile
Represent a file in a Collection.

ArvadosFileReader
Wraps ArvadosFile in a file-like object supporting reading only.

ArvadosFileWriter
Wraps ArvadosFile in a file-like object supporting both reading and writing.

WrappableFile
An interface to an Arvados file that's compatible with io wrappers.

Functions

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streamname, filename

split(path)
Separate the stream name and file name in a /-separated stream path and return a tuple (stream_name, file_name).

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synchronized(orig_func)

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must_be_writable(orig_func)

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Variables

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MOD = "mod"

WRITE = "write"

_logger = logging.getLogger('arvados.arvfile')

Function Details

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split(path)

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Separate the stream name and file name in a /-separated stream path and return a tuple (stream_name, file_name). If no stream name is available, assume '.'.

Returns: streamname, filename