MatplotlibFormatter

class lsst.daf.butler.formatters.matplotlib.MatplotlibFormatter(file_descriptor: FileDescriptor, *, ref: DatasetRef, write_parameters: Mapping[str, Any] | None = None, write_recipes: Mapping[str, Any] | None = None, **kwargs: Any)

Bases: FormatterV2

Format matplotlib figures.

Does not support writes.

Attributes Summary

default_extension

Default extension to use when writing a file.

Methods Summary

write_local_file(in_memory_dataset, uri)

Serialize the in-memory dataset to a local file.

Attributes Documentation

default_extension: ClassVar[str | None] = '.png'

Default extension to use when writing a file.

Can be None if the extension is determined dynamically. Use the get_write_extension method to get the actual extension to use.

Methods Documentation

write_local_file(in_memory_dataset: Any, uri: ResourcePath) → None

Serialize the in-memory dataset to a local file.

Parameters:

in_memory_datasetobject

The Python object to serialize.

uriResourcePath

The URI to use when writing the file.

Raises:

FormatterNotImplementedError

Raised if the formatter subclass has not implemented this method or has failed to implement the to_bytes method.

Notes

By default this method will attempt to call to_bytes and then write these bytes to the file.