`astropy.io.fits.hdu.base:_ValidHDU.fileinfo`

source: /astropy/io/fits/hdu/base.py :975

Signature

def fileinfo ( self )

Summary

Returns a dictionary detailing information about the locations of this HDU within any associated file. The values are only valid after a read or write of the associated file with no intervening changes to the HDUList.

Returns

: dict or None

The dictionary details information about the locations of this HDU within an associated file. Returns None when the HDU is not associated with a file.

Dictionary contents:

========== ================================================
Key        Value
========== ================================================
file       File object associated with the HDU
filemode   Mode in which the file was opened (readonly, copyonwrite,
           update, append, ostream)
hdrLoc     Starting byte location of header in file
datLoc     Starting byte location of data block in file
datSpan    Data size including padding
========== ================================================

Aliases

astropy.io.fits.convenience._ValidHDU.fileinfo