def i_att_cardinality(ss: Substrate, ocard: Optional(cardinality), qore: Quads_or_Error) -> Sctids_or_Error:
if qore.inran('qerror'):
rval = Sctids_or_Error(error=qore.qerror)
elif ocard.is_empty:
rval = Sctids_or_Error(ok=i_required_cardinality(N(1), many, qore))
else:
card = ocard.head
rval = Sctids_or_Error(ok=i_required_cardinality(card.min_, card.max_, qore) if card.min_ > 0 else
i_optional_cardinality(ss, card.max_, qore))
return rval
def i_att_group_cardinality(ss: Substrate, ocard: Optional(cardinality), qore: Quads_or_Error) -> sctIdGroups_or_Error:
if qore.inran('qerror'):
return sctIdGroups_or_Error(error=qore.qerror)
qv = quads_for(qore)
rf = quad_direction(qore) == source_direction
if ocard.is_empty:
rval = qv.i_required_att_group_cardinality(N(1), many, rf)
else:
card = ocard.head
if card.min_ > 0:
rval = qv.i_required_att_group_cardinality(card.min_, card.max_, rf)
else:
rval = qv.i_optional_att_group_cardinality(ss, card.max_, rf)
return sctIdGroups_or_Error(group_value=rval)
