MetaInfo

class MetaInfo(*args, **kwargs)

The MetaInfo provides information about a specific metadata structure.

Methods

class MetaInfo

is_custom() → bool

Added in version 1.20.

register() → MetaInfo

Registers a new meta.

Use the structure returned by new(), it consumes it and the structure shouldnt be used after. The one returned by the function can be kept.

Added in version 1.24.

Fields

class MetaInfo

api

Tag identifying the metadata structure and api

clear_func

Function for clearing the metadata, or None if not supported by this meta. This is called by the buffer pool when a buffer is returned for pooled metas.

Added in version 1.24.

deserialize_func

Function for deserializing the metadata, or None if not supported by this meta.

Added in version 1.24.

free_func

Function for freeing the metadata

init_func

Function for initializing the metadata

serialize_func

Function for serializing the metadata, or None if not supported by this meta.

Added in version 1.24.

size

Size of the metadata

transform_func

Function for transforming the metadata

type

Type identifying the implementor of the api