def _create_equiv(ann_obj, projectconf, mods, origin, target, type, attributes,
old_type, old_target):
# due to legacy representation choices for Equivs (i.e. no
# unique ID), support for attributes for Equivs would need
# some extra work. Getting the easy non-Equiv case first.
if attributes is not None:
Messager.warning(
'_create_equiv: attributes for Equiv annotation not supported yet, please tell the devs if you need this feature (mention "issue #799").'
)
attributes = None
ann = None
if old_type is None:
# new annotation
# sanity
assert old_target is None, '_create_equiv: incoherent args: old_type is None, old_target is not None (client/protocol error?)'
ann = EquivAnnotation(
type, [unicode(origin.id), unicode(target.id)], '')
ann_obj.add_annotation(ann)
mods.addition(ann)
# TODO: attributes
assert attributes is None, "INTERNAL ERROR" # see above
else:
# change to existing Equiv annotation. Other than the no-op
# case, this remains TODO.
assert projectconf.is_equiv_type(
old_type
), 'attempting to change equiv relation to non-equiv relation, operation not supported'
# sanity
assert old_target is not None, '_create_equiv: incoherent args: old_type is not None, old_target is None (client/protocol error?)'
if old_type != type:
Messager.warning(
'_create_equiv: equiv type change not supported yet, please tell the devs if you need this feature (mention "issue #798").'
)
if old_target != target.id:
Messager.warning(
'_create_equiv: equiv reselect not supported yet, please tell the devs if you need this feature (mention "issue #797").'
)
# TODO: attributes
assert attributes is None, "INTERNAL ERROR" # see above
return ann
def coref(xml, start_id=1):
soup = _soup(xml)
token_by_ids = _token_by_ids(soup)
docs_e = soup.findall('document')
assert len(docs_e) == 1
docs_e = docs_e[0]
# Despite the name, this element contains conferences (note the "s")
corefs_e = docs_e.findall('coreference')
if not corefs_e:
# No coreferences to process
raise StopIteration
assert len(corefs_e) == 1
corefs_e = corefs_e[0]
curr_id = start_id
for coref_e in corefs_e:
if corefs_e.tag != 'coreference':
# To be on the safe side
continue
# This tag is now a full corference chain
chain = []
for mention_e in coref_e.getiterator('mention'):
# Note: There is a "representative" attribute signalling the most
# "suitable" mention, we are currently not using this
# Note: We don't use the head information for each mention
sentence_id = int(mention_e.find('sentence').text)
start_tok_id = int(mention_e.find('start').text)
end_tok_id = int(mention_e.find('end').text) - 1
mention_id = 'T%s' % (curr_id, )
chain.append(mention_id)
curr_id += 1
yield TextBoundAnnotation(
((token_by_ids[sentence_id][start_tok_id].start,
token_by_ids[sentence_id][end_tok_id].end), ),
mention_id, 'Mention', '')
yield EquivAnnotation('Coreference', chain, '')