flytekit.core.data_persistence.DataPersistence

class flytekit.core.data_persistence.DataPersistence(name, default_prefix=None, **kwargs)

Base abstract type for all DataPersistence operations. This can be extended using the flytekitplugins architecture

Methods

Parameters

• name (str) –

• default_prefix (Optional[str]) –

abstract construct_path(add_protocol, add_prefix, *paths)

if add_protocol is true then <protocol> is prefixed else Constructs a path in the format <base><delim>*args delim is dependent on the storage medium. each of the args is joined with the delim

Parameters

• add_protocol (bool) –

• add_prefix (bool) –

• paths (str) –

Return type

str

abstract exists(path)

Returns true if the given path exists, else false

Parameters

path (str) –

Return type

bool

abstract get(from_path, to_path, recursive=False)

Retrieves data from from_path and writes to the given to_path (to_path is locally accessible)

Parameters

• from_path (str) –

• to_path (str) –

• recursive (bool) –

listdir(path, recursive=False)

Returns true if the given path exists, else false

Parameters

• path (str) –

• recursive (bool) –

Return type

Generator[str, None, None]

abstract put(from_path, to_path, recursive=False)

Stores data from from_path and writes to the given to_path (from_path is locally accessible)

Parameters

• from_path (str) –

• to_path (str) –

• recursive (bool) –

Attributes

default_prefix

name