fileinfo(self)
The dictionary details information about the locations of this HDU within an associated file. Returns :None:None:`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 ========== ================================================
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
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