def segment_text(self, text):
"""Segment the provided text into sentences."""
self.tokenizer.setText(text)
is_another = True
sentences = []
while is_another:
u_sentence = Sentence()
is_another = self.tokenizer.nextSentence(u_sentence)
if is_another:
sentences.append(u_sentence.getText())
return sentences
def _runApp(self, dto, opNotDone):
text = dto.getText()
tokenizer = self._model.newTokenizer(self._model.DEFAULT)
tokenizer.setText(text)
error = ProcessingError()
sentence = Sentence()
sid = 0
while tokenizer.nextSentence(sentence, error):
self._model.tag(sentence, self._model.DEFAULT)
self._model.parse(sentence, self._model.DEFAULT)
# Teprolin tokenized sentence
ttsent = []
# Teprolin string sentence
tssent = sentence.getText()
for w in sentence.words:
if w.id == 0:
continue
tt = TeproTok()
tt.setId(w.id)
tt.setWordForm(w.form)
tt.setCTAG(w.upostag)
tt.setMSD(w.xpostag)
tt.setLemma(w.lemma)
tt.setHead(w.head)
tt.setDepRel(w.deprel)
ttsent.append(tt)
# end for w
if not dto.isOpPerformed(TeproAlgo.getSentenceSplittingOperName()):
dto.addSentenceString(tssent)
dto.addSentenceTokens(ttsent)
else:
# Check and update annotations that only TTL
# can produce or that are requested specifically from it.
alignment = dto.alignSentences(ttsent, sid)
for op in opNotDone:
dto.copyTokenAnnotation(ttsent, sid, alignment, op)
sentence = Sentence()
sid += 1
# end all split sentences.
return dto
def parse(text, sentence_id):
"""Takes a sentence in raw text and produces
its CoNLL-U annotation by invoking udpipe
Paratemeters: text - the sentence to be parsed
sentence_id - the ID of the sentence
Output: a UD graph
"""
model = Model.load('./models/udpipe/english-ewt-ud-2.3-181115.udpipe')
tokenizer = model.newTokenizer(model.TOKENIZER_PRESEGMENTED)
# tokenizer = model.TOKENIZER_PRESEGMENTED(model.DEFAULT)
conlluOutput = OutputFormat.newOutputFormat("conllu")
sentence = Sentence()
error = ProcessingError()
tokenizer.setText(text)
tokenizer.nextSentence(sentence, error)
model.tag(sentence, model.DEFAULT)
model.parse(sentence, model.DEFAULT)
return conlluOutput.writeSentence(sentence).replace(
'# sent_id = 1', '# sent_id = ' + sentence_id)
def transform(self, string: str):
self.tokenizer.setText(string)
sentences = []
sentence = Sentence()
while self.tokenizer.nextSentence(sentence, self.error):
self.model.tag(sentence, self.model.DEFAULT)
sentences.append(sentence)
sentence = Sentence()
if self.error.occurred():
raise Exception(self.error.message)
words = functools.reduce(lambda x, y: x + y, [[(w.lemma, w.upostag)
for w in s.words]
for s in sentences], [])
return [word for word in words if word[1] not in ['<root>']]
def __call__(self, text):
"""Convert input text to a spaCy Doc.
text (unicode): The text to process.
RETURNS (spacy.tokens.Doc): The spaCy Doc object.
"""
udpipe_sents = self.model(text) if text else [Sentence()]
text = " ".join(s.getText() for s in udpipe_sents)
tokens, heads = self.get_tokens_with_heads(udpipe_sents)
if not tokens:
return Doc(self.vocab)
words = []
spaces = []
pos = []
tags = []
deps = []
lemmas = []
offset = 0
is_aligned = self.check_aligned(text, tokens)
for i, token in enumerate(tokens):
span = text[offset:]
if not span:
break
while len(span) and span[0].isspace():
# If we encounter leading whitespace, skip one character ahead
offset += 1
span = text[offset:]
words.append(token.form)
# Make sure all strings are in the vocabulary
pos.append(self.vocab.strings.add(token.upostag or ""))
# CoNNL xpostag-s, custom for each UD treebank
#tags.append(self.vocab.strings.add(token.xpostag or ""))
tags.append(self.vocab.strings.add(token.feats or ""))
deps.append(self.vocab.strings.add(self._dep(token.deprel) or ""))
lemmas.append(self.vocab.strings.add(token.lemma or ""))
offset += len(token.form)
span = text[offset:]
if i == len(tokens) - 1 or "SpaceAfter=No" in token.misc:
spaces.append(False)
elif not is_aligned:
spaces.append(True)
else:
next_token = tokens[i + 1]
spaces.append(not span.startswith(next_token.form))
attrs = [POS, TAG, DEP, HEAD]
array = numpy.array(list(zip(pos, tags, deps, heads)), dtype="uint64")
doc = Doc(self.vocab, words=words,
spaces=spaces).from_array(attrs, array)
# Overwrite lemmas separately to prevent overwritting by spaCy
lemma_array = numpy.array([[lemma] for lemma in lemmas],
dtype="uint64")
doc.from_array([LEMMA], lemma_array)
if any(pos) and any(tags):
doc.is_tagged = True
if any(deps):
doc.is_parsed = True
return doc
def tokenize_tag_parse_tree(self, root):
"""Tokenize, tag (+lemmatize, fill FEATS) and parse the text stored in `root.text`."""
if root.children:
raise ValueError(
'Tree already contained nodes before tokenization')
# tokenization (I cannot turn off segmenter, so I need to join the segments)
self.tokenizer.setText(root.text)
u_sentence = Sentence()
is_another = self.tokenizer.nextSentence(u_sentence)
u_words = u_sentence.words
n_words = u_words.size() - 1
if is_another:
u_sent_cont = Sentence()
while self.tokenizer.nextSentence(u_sent_cont):
n_cont = u_sent_cont.words.size() - 1
for i in range(1, n_cont + 1):
u_w = u_sent_cont.words[i]
n_words += 1
u_w.id = n_words
u_words.append(u_w)
# tagging and parsing
self.tool.tag(u_sentence, Model.DEFAULT)
self.tool.parse(u_sentence, Model.DEFAULT)
# converting UDPipe nodes to Udapi nodes
heads, nodes = [], [root]
for i in range(1, u_words.size()):
u_w = u_words[i]
node = root.create_child(
form=u_w.form,
lemma=u_w.lemma,
upos=u_w.upostag,
xpos=u_w.xpostag,
feats=u_w.feats,
deprel=u_w.deprel,
)
node.misc = u_w.misc
heads.append(u_w.head)
nodes.append(node)
for node in nodes[1:]:
head = heads.pop(0)
node.parent = nodes[head]
def _read(self, text: str, input_format: str) -> List[Sentence]:
"""Convert the text to an UDPipe representation.
text: Input text.
input_format: Desired input format.
RETURNS: Processed sentences.
"""
input_format.setText(text)
error = ProcessingError()
sentences = []
sentence = Sentence()
while input_format.nextSentence(sentence, error):
sentences.append(sentence)
sentence = Sentence()
if error.occurred():
raise Exception(error.message)
return sentences
def _read(self, text, input_format):
"""Convert the text to a UDPipe representation.
text (unicode): Input text.
input_format (unicode): Desired input format.
RETURNS (list): Processed ufal.udpipe.Sentence-s.
"""
input_format.setText(text)
error = ProcessingError()
sentences = []
sentence = Sentence()
while input_format.nextSentence(sentence, error):
sentences.append(sentence)
sentence = Sentence()
if error.occurred():
raise Exception(error.message)
return sentences
def nextSentence(self, sentence: Sentence, _: ProcessingError) -> bool:
"""Tokenize each line from stored lines and store tokens in sentence.
sentence: UDPipe container for storing tokens.
"""
try:
line = next(self.lines)
except StopIteration:
return False
tokens = line.split("\t")
prev_word = Word()
for token in tokens:
word = sentence.addWord(token)
if re.match(r"\W", token):
# leave no space after previous token iff current token
# is non-alphanumeric (i.e. punctuation)
prev_word.misc = NO_SPACE
prev_word = word
return True
def preproc_item(text):
if pd.isna(text):
text = ''
tokenizer.resetDocument()
try:
tokenizer.setText(text)
except TypeError:
print(row, text)
1/0
sentence = Sentence()
error = ProcessingError()
text = ''
while (tokenizer.nextSentence(sentence, error)):
udpipe_model.tag(sentence, Pipeline.DEFAULT, error)
#udpipe_model.parse(sentence, Pipeline.DEFAULT, error)
text += OutputFormat.newConlluOutputFormat().writeSentence(sentence)
return text
def tokenize_tag_parse_tree(self,
root,
resegment=False,
tag=True,
parse=True):
"""Tokenize, tag (+lemmatize, fill FEATS) and parse the text stored in `root.text`.
If resegment=True, the returned list of Udapi trees may contain multiple trees.
"""
if root.children:
raise ValueError(
'Tree already contained nodes before tokenization')
# Tokenize and segment the text (segmentation cannot be turned off in older UDPipe versions).
self.tokenizer.setText(root.text)
is_another = True
u_sentences = []
while is_another:
u_sentence = Sentence()
is_another = self.tokenizer.nextSentence(u_sentence)
if is_another:
u_sentences.append(u_sentence)
# If resegmentation was not required, we need to join the segments.
if not resegment and len(u_sentences) > 1:
first_sent = u_sentences[0]
n_words = first_sent.words.size() - 1
for other_sent in u_sentences[1:]:
other_words = other_sent.words.size() - 1
for i in range(1, other_words + 1):
u_w = other_sent.words[i]
n_words += 1
u_w.id = n_words
first_sent.words.append(u_w)
u_sentences = [first_sent]
# tagging and parsing
if tag:
for u_sentence in u_sentences:
self.tool.tag(u_sentence, Model.DEFAULT)
if parse:
self.tool.parse(u_sentence, Model.DEFAULT)
elif parse:
raise ValueError(
'Combination parse=True tag=False is not allowed.')
# converting UDPipe nodes to Udapi nodes
new_root = root
trees = []
for u_sentence in u_sentences:
if not new_root:
new_root = Root()
heads, nodes = [], [new_root]
u_words = u_sentence.words
for i in range(1, u_words.size()):
u_w = u_words[i]
node = new_root.create_child(
form=u_w.form,
lemma=u_w.lemma,
upos=u_w.upostag,
xpos=u_w.xpostag,
feats=u_w.feats,
deprel=u_w.deprel,
misc=u_w.misc,
)
if parse:
heads.append(u_w.head)
nodes.append(node)
if parse:
for node in nodes[1:]:
head = heads.pop(0)
node.parent = nodes[head]
trees.append(new_root)
new_root = None
return trees
def execute(job, task):
assert settings.UDPIPE_MODEL_FILE, "You must set UDPIPE_MODEL_FILE setting to begin"
from .mongodb import get_db
from .udpipe_model import Model as UDPipeModel
from ufal.udpipe import Sentence # type: ignore
db = get_db()
model = UDPipeModel(settings.UDPIPE_MODEL_FILE)
total_docs = TagWithUDPipeJob.get_total_count(db, job, task)
feat_categories = Counter()
poses = Counter()
feat_values = defaultdict(Counter)
for i, (corpus,
article) in enumerate(TagWithUDPipeJob.get_iter(db, job,
task)):
update_clause = defaultdict(list)
article_lemmas = []
article_postags = []
article_features = []
if "nlp" in article:
for f in ["title", "text"]:
if f not in article["nlp"]:
task.log(
logging.WARNING,
f"Cannot find field {f} in the document {article['_id']}"
)
continue
if "tokens" not in article["nlp"][f]:
task.log(
logging.WARNING,
f"Cannot find tokenized version of field {f} in the document {article['_id']}",
)
continue
for s in article["nlp"][f]["tokens"].split("\n"):
# ignoring default model tokenizer in order to use whitespace tokenizer
tok_sent = Sentence()
for w in s.split(" "):
tok_sent.addWord(w)
sent_lemmas = []
sent_postags = []
sent_features = []
model.tag(tok_sent)
for w in tok_sent.words[1:]:
poses.update([w.upostag])
sent_lemmas.append(w.lemma)
# Again, not moving that to a separate function to
# reduce number of unnecessary calls
try:
sent_postags.append(
COMPRESS_UPOS_MAPPING[w.upostag])
except KeyError:
task.log(
logging.WARNING,
f"Cannot find {w.upostag} in the COMPRESS_UPOS_MAPPING, skipping for now",
)
sent_postags.append("Z")
sent_features.append(compress_features(w.feats))
for pair in w.feats.split("|"):
if not pair:
continue
cat, val = pair.split("=")
feat_categories.update([cat])
feat_values[cat].update([val])
update_clause[f"nlp.{f}.ud_lemmas"].append(
" ".join(sent_lemmas))
# We don't need to have a separator for the postags as there is always one
# pos tag (which is character) per word
update_clause[f"nlp.{f}.ud_postags"].append(
"".join(sent_postags))
update_clause[f"nlp.{f}.ud_features"].append(
" ".join(sent_features))
for k, v in update_clause.items():
update_clause[k] = "\n".join(v)
if update_clause:
try:
db[corpus].update_one(
{"_id": article["_id"]},
{
"$set": update_clause,
"$addToSet": {
"processing_status": "udpipe_tagged"
},
},
)
except pymongo.errors.WriteError:
task.log(
logging.WARNING,
f"Cannot store results back to the document {article['_id']}"
)
continue
else:
task.log(
logging.WARNING,
f"Cannot find any text in the document {article['_id']}"
)
task.set_progress((i + 1) * 100 // total_docs, step=1)
def __call__(self, text: Union[str, List[str], List[List[str]]]) -> Doc:
"""Convert input text to a spaCy Doc.
text: The text to process. It can be presegmented or pretokenized:
str : raw text,
List[str] : presegmented text,
List[List[str]] : pretokenized text.
RETURNS: The spaCy Doc object.
"""
if not text:
return Doc(vocab=self.vocab)
udpipe_sents = self.model(text=text) if text else [Sentence()]
text = " ".join(s.getText() for s in udpipe_sents)
tokens, heads = self._get_tokens_with_heads(udpipe_sents=udpipe_sents)
words = []
spaces = []
pos = []
tags = []
morphs = []
deps = []
lemmas = []
offset = 0
is_aligned = self._check_aligned(text=text, tokens=tokens)
if not is_aligned:
text = ""
for token in tokens:
text += token.form
if NO_SPACE not in token.misc:
text += " "
for i, token in enumerate(tokens):
span = text[offset:]
if not span:
break
while len(span) and span[0].isspace():
# If we encounter leading whitespace, skip one character ahead
offset += 1
span = text[offset:]
words.append(token.form)
# Make sure all strings are in the vocabulary
pos.append(token.upostag or "")
# CoNNL xpostag-s, custom for each UD treebank
morphs.append(token.feats or "")
tags.append(token.xpostag or "")
deps.append(_spacy_dep(token.deprel) or "")
lemmas.append(token.lemma or "")
offset += len(token.form)
span = text[offset:]
if i == len(tokens) - 1 or NO_SPACE in token.misc:
spaces.append(False)
elif not is_aligned:
spaces.append(True)
else:
next_token = tokens[i + 1]
spaces.append(not span.startswith(next_token.form))
doc = Doc(
vocab=self.vocab,
words=words,
spaces=spaces,
pos=pos,
tags=tags,
morphs=morphs,
lemmas=lemmas,
deps=deps,
heads=[head + i for i, head in enumerate(heads)],
)
return doc
def __call__(self, text: Union[str, List[str], List[List[str]]]) -> Doc:
"""Convert input text to a spaCy Doc.
text: The text to process. It can be presegmented or pretokenized:
str : raw text,
List[str] : presegmented text,
List[List[str]] : pretokenized text.
RETURNS: The spaCy Doc object.
"""
udpipe_sents = self.model(text=text) if text else [Sentence()]
text = " ".join(s.getText() for s in udpipe_sents)
tokens, heads = self._get_tokens_with_heads(udpipe_sents=udpipe_sents)
if not tokens:
return Doc(vocab=self.vocab)
words = []
spaces = []
pos = []
tags = []
deps = []
lemmas = []
offset = 0
is_aligned = self._check_aligned(text=text, tokens=tokens)
if not is_aligned:
text = ""
for token in tokens:
text += token.form
if NO_SPACE not in token.misc:
text += " "
for i, token in enumerate(tokens):
span = text[offset:]
if not span:
break
while len(span) and span[0].isspace():
# If we encounter leading whitespace, skip one character ahead
offset += 1
span = text[offset:]
words.append(token.form)
# Make sure all strings are in the vocabulary
pos.append(self.vocab.strings.add(token.upostag or ""))
# CoNNL xpostag-s, custom for each UD treebank
tags.append(self.vocab.strings.add(token.xpostag or ""))
deps.append(self.vocab.strings.add(self._dep(token.deprel) or ""))
lemmas.append(self.vocab.strings.add(token.lemma or ""))
offset += len(token.form)
span = text[offset:]
if i == len(tokens) - 1 or NO_SPACE in token.misc:
spaces.append(False)
elif not is_aligned:
spaces.append(True)
else:
next_token = tokens[i + 1]
spaces.append(not span.startswith(next_token.form))
try:
attrs = [POS, TAG, DEP, HEAD]
array = numpy.array(list(zip(pos, tags, deps, heads)),
dtype="uint64")
doc = Doc(self.vocab, words=words,
spaces=spaces).from_array(attrs, array)
except ValueError as e:
if '[E167]' in str(e):
raise ValueError(
"Could not properly assign morphology features. "
f"Please update the tag map for '{self.model._lang}'"
" language. See "
"https://spacy.io/usage/adding-languages#tag-map "
"for details. A quick workaround is to use the keyword "
"argument ignore_tag_map=True when loading UDPipeLanguage."
)
else:
raise e
# Overwrite lemmas separately to prevent overwritting by spaCy
lemma_array = numpy.array([[lemma] for lemma in lemmas],
dtype="uint64")
doc.from_array(attrs=[LEMMA], array=lemma_array)
doc.is_tagged = bool(any(pos) and any(tags))
doc.is_parsed = bool(any(deps))
return doc
