_task_name_ = string_kw(default="restore_headerlet")
filename = string_kw(default="", comment="Input file name")
archive = boolean_kw(default=True, comment= "Create headerlets from WCSs being replaced?")
force = boolean_kw(default=False, comment="If distortions do not match, force update anyway?")
distname = string_kw(default="", triggers="_rule1_", comment="Restore ALL headerlet extensions with this DISTNAME")
primary = integer_or_none_kw(default=None, inactive_if="_rule1_", comment="Headerlet extension to restore as new primary WCS")
sciext = string_kw(default="SCI", inactive_if="_rule1_", comment="EXTNAME of extension with WCS")
hdrname = string_kw(default="", active_if="_rule1_", comment="HDRNAME of headerlet extension to be restored")
hdrext = integer_or_none_kw(default=None, active_if="_rule1_", comment="Extension number for headerlet to be restored")
logging = boolean_kw(default=False, comment= "Enable logging to a file")
[ _RULES_ ]
_rule1_ = string_kw(default=True, code='from stwcs import wcsutil;from stwcs.wcsutil import headerlet;OUT = headerlet.is_par_blank(VAL)')