def clone_fields(self, abstract):
field_names = [
'title', 'description', 'submission_comment',
'submitted_for_tracks', 'submitted_contrib_type'
]
field_data = {f: getattr(abstract, f) for f in field_names}
person_links = []
link_attrs = get_simple_column_attrs(AbstractPersonLink)
for old_link in abstract.person_links:
link = AbstractPersonLink(person=old_link.person)
link.populate_from_attrs(old_link, link_attrs)
person_links.append(link)
field_data['person_links'] = person_links
for f in abstract.field_values:
field_data[f'custom_{f.contribution_field_id}'] = f.data
return field_data
