def delete_term(cls, taxonomy: Taxonomy, term: TaxonomyTerm):
"""Delete a taxonomy term.
:param taxonomy: taxonomy of the term
:param term: term instance to be deleted
:raise TaxonomyDeleteError
"""
taxonomy.lock()
before_taxonomy_term_deleted.send(term, taxonomy=taxonomy, term=term)
check_references_before_delete(term, taxonomy=taxonomy, term=term)
term.delete()
db.session.commit()
after_taxonomy_term_deleted.send(term, taxonomy=taxonomy, term=term)
def update_term(cls, taxonomy: Taxonomy, term: TaxonomyTerm, changes) -> TaxonomyTerm:
"""Updates a taxonomy term.
:param taxonomy: taxonomy instance of the term
:param term: term instance to be updated
:param extra_data: new term metadata
:return TaxonomyTerm: updated taxonomy term
"""
taxonomy.lock()
before_taxonomy_term_updated.send(term, term=term, taxonomy=taxonomy,
extra_data=changes['extra_data'])
term.update(**changes)
db.session.commit()
after_taxonomy_term_updated.send(term, term=term, taxonomy=taxonomy)
return term
