ExtensionKey#

class lsst.images.fits.ExtensionKey(name='', ver=1)#

Bases: object

The identifiers for a single FITS extension HDU within a file.

Parameters:

name (str, default: '')
ver (int, default: 1)

Attributes Summary

`name`	Value of the EXTNAME keyword, or an empty string for the primary HDU.
`ver`	Value of the EXTVER keyword (which may be absent if it is `1`).

Methods Summary

`check`()
`from_index_row`(row)	Construct from a row of the index binary table appended to the FITS files written by the package.
`from_str`(source)	Construct from the `str` coercion of this type, which is used as the 'source' field in various Pydantic models that serve as references to other HDUs.

Attributes Documentation

name: str = ''#: Value of the EXTNAME keyword, or an empty string for the primary HDU.

ver: int = 1#: Value of the EXTVER keyword (which may be absent if it is 1).

Methods Documentation

check()#

Return type:: None

classmethod from_index_row(row)#

Construct from a row of the index binary table appended to the FITS files written by the package.

Parameters:: row (ndarray) – Structured-array row with EXTNAME and EXTVER fields.
Return type:: ExtensionKey

classmethod from_str(source)#

Construct from the str coercion of this type, which is used as the ‘source’ field in various Pydantic models that serve as references to other HDUs.

Parameters:: source (str) – fits:<extname>[,<extver>] reference string, as produced by str(self).
Return type:: ExtensionKey