open

roman_datamodels.datamodels.open(init, memmap=False, **kwargs)

Datamodel open/create function.

This function opens a Roman datamodel from an asdf file or generates the datamodel from an existing one.

Parameters:

• init (str, Path, DataModel, asdf.AsdfFile, file-like) –

  May be any one of the following types:

  • asdf.AsdfFile instance

  • string or Path indicating the path to an ASDF file

  • DataModel Roman data model instance

  • file-like object compatible with asdf.open

• memmap (bool) – Open ASDF file binary data using memmap (default: False)

Return type:

DataModel