def read_text(pathname):
with open(pathname) as fp:
text = fp.read()
sentences = []
offset = 0
for sent in text.split('\n'):
sentence = bioc.BioCSentence()
sentence.infons['filename'] = pathname.stem
sentence.offset = offset
sentence.text = sent
sentences.append(sentence)
i = 0
for m in re.finditer('\S+', sent):
if i == 0 and m.start() != 0:
# add fake
ann = bioc.BioCAnnotation()
ann.id = f'a{i}'
ann.text = ''
ann.add_location(bioc.BioCLocation(offset, 0))
sentence.add_annotation(ann)
i += 1
ann = bioc.BioCAnnotation()
ann.id = f'a{i}'
ann.text = m.group()
ann.add_location(bioc.BioCLocation(m.start() + offset, len(m.group())))
sentence.add_annotation(ann)
i += 1
offset += len(sent) + 1
return sentences
def test_get_text():
s = bioc.BioCSentence()
s.offset = 100
s.text = 'no evidence of pulmonary edema'
loc = (25 + 100, 30 + 100)
expected = 'no evidence of pulmonary $X$'
actual = get_text(s, loc)
assert expected == actual, '{} vs {}'.format(expected, actual)
def sentence(this, json_sent):
sent = bioc.BioCSentence()
sent.infons = json_sent['infons']
sent.offset = str(json_sent['offset'])
sent.text = json_sent['text']
sent.annotations = [this.annotation(a)
for a in json_sent['annotations']]
sent.relations = [this.relation(r)
for r in json_sent['relations']]
return sent
def test_load():
s = biocjson.fromJSON(json.loads(json_str), bioc.SENTENCE)
g = semgraph.load(s)
assert len(g) == 16
assert g.size() == 15
s = bioc.BioCSentence()
g = semgraph.load(s)
assert len(g) == 0
assert g.size() == 0
def create_ddi_bert(gold_directory, output):
fp = open(output, 'w')
writer = csv.writer(fp, delimiter='\t', lineterminator='\n')
writer.writerow(['index', 'sentence', 'label'])
cnt = 0
for root, dirs, files in os.walk(gold_directory):
for name in files:
pathname = os.path.join(root, name)
tree = etree.parse(pathname)
for stag in tree.xpath('/document/sentence'):
sentence = bioc.BioCSentence()
sentence.offset = 0
sentence.text = stag.get('text')
entities = {}
for etag in stag.xpath('entity'):
id = etag.get('id')
m = re.match('(\d+)-(\d+)', etag.get('charOffset'))
if m is None:
logging.warning('{}:{}: charOffset does not match. {}'.format(
output, id, etag.get('charOffset')))
continue
start = int(m.group(1))
end = int(m.group(2)) + 1
expected_text = etag.get('text')
actual_text = sentence.text[start:end]
if expected_text != actual_text:
logging.warning('{}:{}: Text does not match. Expected {}. Actual {}'.format(
output, id, repr(expected_text), repr(actual_text)))
entities[id] = {
'start': start,
'end': end,
'type': etag.get('type'),
'id': id,
'text': actual_text
}
for rtag in stag.xpath('pair'):
if rtag.get('ddi') == 'false':
label = 'DDI-false'
else:
label = 'DDI-{}'.format(rtag.get('type'))
cnt += 1
e1 = entities.get(rtag.get('e1'))
e2 = entities.get(rtag.get('e2'))
text = replace_text(sentence.text, sentence.offset, e1, e2)
writer.writerow([f'{rtag.get("id")}', text, label])
print(f'Have {cnt} relations')
def __call__(self, doc, *args, **kwargs):
"""
Split text into sentences with offsets.
Args:v
document(BioCDocument): one document
Returns:
BioCDocument
"""
for passage in doc.passages:
for text, offset in self.split(passage.text):
sentence = bioc.BioCSentence()
sentence.offset = offset + passage.offset
sentence.text = text
passage.add_sentence(sentence)
# passage.text = None
return doc
def tokenize_text(text, id):
sentences = []
doc = nlp(text)
for sent in doc.sents:
sentence = bioc.BioCSentence()
sentence.infons['filename'] = id
sentence.offset = sent.start_char
sentence.text = text[sent.start_char:sent.end_char]
sentences.append(sentence)
i = 0
for token in sent:
for t, start, end in split_punct(token.text, token.idx):
ann = bioc.BioCAnnotation()
ann.id = f'a{i}'
ann.text = t
ann.add_location(bioc.BioCLocation(start, end - start))
sentence.add_annotation(ann)
i += 1
return sentences
def ssplit(document, splitter):
"""
Split text into sentences with offsets.
Args:
splitter(Splitter): Sentence splitter
document(BioCDocument): one document
Returns:
BioCDocument
"""
for passage in document.passages:
for text, offset in splitter.split(passage.text):
sentence = bioc.BioCSentence()
sentence.offset = offset + passage.offset
sentence.text = text
passage.add_sentence(sentence)
# passage.text = None
return document
def text_to_bioc(list_of_text, type, **kwargs):
if type == 'p/s':
offset = 0
passage = bioc.BioCPassage()
passage.offset = offset
for s in list_of_text:
sentence = bioc.BioCSentence()
sentence.offset = offset
sentence.text = s
offset += len(s) + 1
passage.add_sentence(sentence)
return passage
elif type == 'd/p/s':
document = bioc.BioCDocument()
passage = text_to_bioc(list_of_text, 'p/s')
document.add_passage(passage)
return document
elif type == 'c/d/p/s':
c = bioc.BioCCollection()
d = text_to_bioc(list_of_text, 'd/p/s')
c.add_document(d)
return c
elif type == 'd/p':
document = bioc.BioCDocument()
offset = 0
for s in list_of_text:
passage = bioc.BioCPassage()
passage.offset = offset
offset += len(s) + 1
passage.text = s
document.add_passage(passage)
return document
elif type == 'c/d/p':
c = bioc.BioCCollection()
d = text_to_bioc(list_of_text, 'd/p')
c.add_document(d)
return c
else:
raise KeyError
def add_dependency(self, obj: Dict) -> None:
# create bioc sentence
sentence = bioc.BioCSentence()
sentence.offset = 0
sentence.text = obj['text']
sentence.infons['parse tree'] = obj['parse tree']
self.convert_biocsentence(sentence)
m = {}
for i, tok in enumerate(obj['toks']):
tok['id'] = i
# find bioc annotation
found = False
for ann in sentence.annotations:
loc = ann.total_span
if utils.intersect((tok['start'], tok['end']),
(loc.offset, loc.offset + loc.length)):
if ann.id in m:
logging.debug('Duplicated id mapping: %s', ann.id)
m[ann.id] = i
if 'ROOT' in ann.infons:
tok['ROOT'] = True
found = True
break
if not found:
logging.debug('Cannot find %s in \n%s', tok, obj['id'])
for rel in sentence.relations:
node0 = rel.nodes[0]
node1 = rel.nodes[1]
if node0.refid in m and node1.refid in m:
if node0.role == 'governor':
gov = m[node0.refid]
dep = m[node1.refid]
else:
gov = m[node1.refid]
dep = m[node0.refid]
if gov == dep:
logging.debug('Discard self loop')
continue
tok = obj['toks'][dep]
if 'governor' in tok:
if tok['governor'] == gov:
pass
if 'extra' in rel.infons:
pass
else:
logging.debug('%s: Two heads: %s', obj['id'], str(rel))
else:
tok['governor'] = gov
tok['dependency'] = rel.infons['dependency']
else:
ann0 = None
ann1 = None
for annotation in sentence.annotations:
if annotation.id == node0.refid:
ann0 = annotation
if annotation.id == node1.refid:
ann1 = annotation
logging.debug('Cannot find %s or %s in sentence: %s', node0,
node1, obj['id'])
logging.debug('%s', ann0)
logging.debug('%s', ann1)
