Fits.py

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from astropy.io import fits
 
 
class Fits:
    """Robot library providing FITS related keywords 
    """
    ROBOT_LIBRARY_SCOPE = 'GLOBAL'
 
    def fits_read_primary_hdu(self, path):
        """Returns list of keywords from primary HDU as a list of pairs
        [["KEYWORD": "VALUE"], ...]
        """
        hdul = fits.open(path)
        if len(hdul) == 0:
            raise Exception("FITS file contains no HDUs")
        return [list(tup) for tup in hdul[0].header.items()]