def ref_properties_from_header(filename):
"""Look inside FITS `filename` header to determine instrument, filekind.
"""
# For legacy files, just use the root filename as the unique id
path, parts, ext = _get_fields(filename)
serial = os.path.basename(os.path.splitext(filename)[0])
header = data_file.get_free_header(filename, (), None, "jwst")
header["TELESCOP"] = header["TELESCOPE"] = header[
"META.TELESCOPE"] = "jwst"
name = os.path.basename(filename)
try:
instrument = utils.header_to_instrument(header).lower()
assert instrument in INSTRUMENTS, "Invalid instrument " + repr(
instrument)
except Exception as exc:
raise exceptions.CrdsNamingError("Can't identify instrument of",
repr(name), ":", str(exc)) from exc
try:
filekind = utils.get_any_of(header, FILEKIND_KEYWORDS,
"UNDEFINED").lower()
assert filekind in FILEKINDS, "Invalid file type " + repr(filekind)
except Exception as exc:
raise exceptions.CrdsNamingError("Can't identify REFTYPE of",
repr(name))
return path, "jwst", instrument, filekind, serial, ext
def ref_properties_from_header(filename):
"""Look inside FITS `filename` header to determine instrument, filekind.
"""
# For legacy files, just use the root filename as the unique id
path, parts, ext = _get_fields(filename)
serial = os.path.basename(os.path.splitext(filename)[0])
header = data_file.get_free_header(filename, (), None, "jwst")
header["TELESCOP"] = header["TELESCOPE"] = header["META.TELESCOPE"] = "jwst"
instrument = utils.header_to_instrument(header).lower()
filekind = utils.get_any_of(header, FILEKIND_KEYWORDS, "UNDEFINED").lower()
assert instrument in INSTRUMENTS, "Invalid instrument " + repr(instrument)
assert filekind in FILEKINDS, "Invalid file type " + repr(filekind)
return path, "jwst", instrument, filekind, serial, ext