def related(cls):
id_column = getattr(cls, id_label)
related_id_column = getattr(related_model, related_id_label)
filters = [foreign(id_column) == related_id_column]
if cycle_label:
cycle_column = getattr(cls, cycle_label)
related_cycle_column = getattr(related_model, related_cycle_label)
filters.append(cycle_column == related_cycle_column)
return db.relationship(
related_model,
primaryjoin=sa.and_(*filters),
)
def related(cls):
id_column = getattr(cls, id_label)
related_id_column = getattr(related_model, related_id_label)
filters = [foreign(id_column) == related_id_column]
if cycle_label:
cycle_column = getattr(cls, cycle_label)
if use_modulus:
cycle_column = cycle_column + cycle_column % 2
related_cycle_column = getattr(related_model, related_cycle_label)
filters.append(cycle_column == related_cycle_column)
return db.relationship(
related_model,
primaryjoin=sa.and_(*filters),
)
