def __init__(self):
self.CuratedList = self.loadCuratedList()
self.stop_words = set(stopwords.words('arabic'))
self.arStemmer = Analyzer(MorphologyDB.builtin_db())
self.sentSegRegexPattern = self.loadSentSegmentationList()
self.DotChar = '_'
def _analyze(db, fin, fout, backoff, cache):
if cache:
analyzer = Analyzer(db, backoff, cache_size=1024)
else:
analyzer = Analyzer(db, backoff)
line = force_unicode(fin.readline())
while line:
if len(line) == 0:
line = force_unicode(fin.readline())
continue
line = line.strip()
tokens = _tokenize(line)
for token in tokens:
analyses = analyzer.analyze(token)
serialized = _serialize_analyses(fout, token, analyses, db.order)
if six.PY3:
fout.write(serialized)
else:
fout.write(force_encoding(serialized))
fout.write('\n\n')
line = force_unicode(fin.readline())
def __init__(self, db):
if not isinstance(db, MorphologyDB):
raise ReinflectorError('DB is not an instance of MorphologyDB')
if not db.flags.generation:
raise ReinflectorError('DB does not support reinflection')
self._db = db
self._analyzer = Analyzer(db)
self._generator = Generator(db)
def pretrained(model_name='msa',
top=1,
use_gpu=True,
batch_size=32,
cache_size=10000):
"""Load a pre-trained model provided with camel_tools.
Args:
model_name (:obj:`str`, optional): Name of pre-trained model to
load. Three models are available: 'msa', 'egy', and 'glf.
Defaults to `msa`.
top (:obj:`int`, optional): The maximum number of top analyses to
return. Defaults to 1.
use_gpu (:obj:`bool`, optional): The flag to use a GPU or not.
Defaults to True.
batch_size (:obj:`int`, optional): The batch size. Defaults to 32.
cache_size (:obj:`int`, optional): If greater than zero, then
the analyzer will cache the analyses for the cache_size most
frequent words, otherwise no analyses will be cached.
Defaults to 100000.
Returns:
:obj:`BERTUnfactoredDisambiguator`: Instance with loaded
pre-trained model.
"""
model_info = CATALOGUE.get_dataset('DisambigBertUnfactored',
model_name)
model_config = _read_json(Path(model_info.path, 'default_config.json'))
model_path = str(model_info.path)
features = FEATURE_SET_MAP[model_config['feature']]
db = MorphologyDB.builtin_db(model_config['db_name'], 'a')
analyzer = Analyzer(db,
backoff=model_config['backoff'],
cache_size=cache_size)
scorer = model_config['scorer']
tie_breaker = model_config['tie_breaker']
ranking_cache = model_config['ranking_cache']
return BERTUnfactoredDisambiguator(model_path,
analyzer,
top=top,
features=features,
scorer=scorer,
tie_breaker=tie_breaker,
use_gpu=use_gpu,
batch_size=batch_size,
ranking_cache=ranking_cache)
def pretrained_from_config(config,
top=1,
use_gpu=True,
batch_size=32,
cache_size=10000):
"""Load a pre-trained model from a config file.
Args:
config (:obj:`str`): Config file that defines the model
details. Defaults to `None`.
top (:obj:`int`, optional): The maximum number of top analyses
to return. Defaults to 1.
use_gpu (:obj:`bool`, optional): The flag to use a GPU or not.
Defaults to True.
batch_size (:obj:`int`, optional): The batch size.
Defaults to 32.
cache_size (:obj:`int`, optional): If greater than zero, then
the analyzer will cache the analyses for the cache_size
most frequent words, otherwise no analyses will be cached.
Defaults to 100000.
Returns:
:obj:`BERTUnfactoredDisambiguator`: Instance with loaded
pre-trained model.
"""
model_config = _read_json(config)
model_path = model_config['model_path']
features = FEATURE_SET_MAP[model_config['feature']]
db = MorphologyDB(model_config['db_path'], 'a')
analyzer = Analyzer(db,
backoff=model_config['backoff'],
cache_size=cache_size)
scorer = model_config['scorer']
tie_breaker = model_config['tie_breaker']
ranking_cache = model_config['ranking_cache']
return BERTUnfactoredDisambiguator(model_path,
analyzer,
top=top,
features=features,
scorer=scorer,
tie_breaker=tie_breaker,
use_gpu=use_gpu,
batch_size=batch_size,
ranking_cache=ranking_cache)
def load(lang, nlp=None):
# Make sure the language is supported
supported = {"en", "ar"}
if lang not in supported:
raise Exception("%s is an unsupported or unknown language" % lang)
if lang == "en":
# Load spacy
nlp = nlp or spacy.load(lang, disable=["ner"])
# Load language edit merger
merger = import_module("errant.%s.merger" % lang)
# Load language edit classifier
classifier = import_module("errant.%s.classifier" % lang)
# The English classifier needs spacy
classifier.nlp = nlp
# Return a configured ERRANT annotator
return Annotator(lang, nlp, merger, classifier)
if lang == "ar":
# Load spacy
# nlp = nlp or spacy.load(lang, disable=["ner"])
db = MorphologyDB.builtin_db()
analyzer = Analyzer(db)
mled = MLEDisambiguator.pretrained()
tagger = DefaultTagger(mled, 'pos')
nlp = [analyzer, tagger]
# Load language edit merger
merger = import_module("errant.%s.merger" % lang)
# Load language edit classifier
classifier = import_module("errant.%s.classifier" % lang)
# The English classifier needs spacy
#classifier.nlp = nlp
# Return a configured ERRANT annotator
return Annotator(lang, nlp, merger, classifier)
def _calima_egy_r13_analyzer():
db = MorphologyDB.builtin_db('calima-egy-r13', 'a')
analyzer = Analyzer(db, 'NOAN_PROP')
return analyzer
class Reinflector(object):
"""Morphological reinflector component.
Arguments:
db (:obj:`~camel_tools.morphology.database.MorphologyDB`): Database to
use for generation. Must be opened in reinflection mode or both
analysis and generation modes.
Raises:
:obj:`~camel_tools.morphology.errors.ReinflectorError`: If **db** is
not an instance of
:obj:`~camel_tools.morphology.database.MorphologyDB` or if **db**
does not support reinflection.
"""
def __init__(self, db):
if not isinstance(db, MorphologyDB):
raise ReinflectorError('DB is not an instance of MorphologyDB')
if not db.flags.generation:
raise ReinflectorError('DB does not support reinflection')
self._db = db
self._analyzer = Analyzer(db)
self._generator = Generator(db)
def reinflect(self, word, feats):
"""Generate analyses for a given word from a given set of inflectional
features.
Arguments:
word (:obj:`str`): Word to reinflect.
feats (:obj:`dict`): Dictionary of features.
See :doc:`/reference/camel_morphology_features` for more
information on features and their values.
Returns:
:obj:`list` of :obj:`dict`: List of generated analyses.
See :doc:`/reference/camel_morphology_features` for more
information on features and their values.
Raises:
:obj:`~camel_tools.morphology.errors.InvalidReinflectorFeature`:
If a feature is given that is not defined in database.
:obj:`~camel_tools.morphology.errors.InvalidReinflectorFeatureValue`:
If an invalid value is given to a feature or if 'pos' feature
is not defined.
"""
analyses = self._analyzer.analyze(word)
if not analyses or len(analyses) == 0:
return []
for feat in feats:
if feat not in self._db.defines:
raise InvalidReinflectorFeature(feat)
elif self._db.defines[feat] is not None:
if feat in _ANY_FEATS and feats[feat] == 'ANY':
continue
elif feats[feat] not in self._db.defines[feat]:
raise InvalidReinflectorFeatureValue(feat, feats[feat])
has_clitics = False
for feat in _CLITIC_FEATS:
if feat in feats:
has_clitics = True
break
results = deque()
for analysis in analyses:
if dediac_ar(analysis['diac']) != dediac_ar(word):
continue
if 'pos' in feats and feats['pos'] != analysis['pos']:
continue
lemma = _LEMMA_SPLIT_RE.split(analysis['lex'])[0]
if 'lex' in feats and feats['lex'] != lemma:
continue
is_valid = True
generate_feats = {}
for feat in analysis.keys():
if feat in _IGNORED_FEATS:
continue
elif feat in _SPECIFIED_FEATS and feat not in feats:
continue
elif has_clitics and feat in _CLITIC_IGNORED_FEATS:
continue
else:
if feat in feats:
if feats[feat] == 'ANY':
continue
elif analysis[feat] != 'na':
generate_feats[feat] = feats[feat]
else:
is_valid = False
break
elif analysis[feat] != 'na':
generate_feats[feat] = analysis[feat]
if is_valid:
generated = self._generator.generate(lemma, generate_feats)
if generated is not None:
results.extend(generated)
# TODO: Temporary fix to get unique analyses
results = [dict(y) for y in set(tuple(x.items()) for x in results)]
return list(results)
class TClean():
def __init__(self):
self.CuratedList = self.loadCuratedList()
self.stop_words = set(stopwords.words('arabic'))
self.arStemmer = Analyzer(MorphologyDB.builtin_db())
self.sentSegRegexPattern = self.loadSentSegmentationList()
self.DotChar = '_'
#
#
#
def loadCuratedList(self):
curatedFile = open('../resources/CuratedList.txt', 'r', encoding="utf-8")
cList = {}
while True:
strLine = curatedFile.readline()
if not strLine:
break
strKeyVal = strLine.replace('\n', '').split(":::")
self.add_if_key_not_exist(cList, strKeyVal[0], strKeyVal[1])
curatedFile.close()
return cList
#
#
#
def loadSentSegmentationList(self):
sent_segmentationFile = open('../resources/sent_segmentation_list.txt', 'r', encoding="utf-8")
delimiterList = []
while True:
strLine = sent_segmentationFile.readline()
if not strLine:
break
strLine = ' ' + strLine.replace('\n', '').strip() + ' '
delimiterList.append(strLine)
sent_segmentationFile.close()
return '(' + '|'.join(map(regEx.escape, delimiterList)) + ')'
#
#
#
def getSentTokenization (self, strDoc):
return sent_tokenize(strDoc)
#
#
#
def getWTokens(self, strTxt):
return word_tokenize(strTxt)
#
#
#
def getSegSentTokenization(self, strSentence, minSeqSentLen=30):
if len(strSentence)<=minSeqSentLen:
strSent =[]
strSent.append(strSentence)
return strSent
return regEx.split(self.sentSegRegexPattern, strSentence)
#
#
#
def softCleaning (self, strText):
#
# Remove newline
strText = strText.replace('\n', ' ')
#
# Remove Tashkeel
strText = dediac_ar(strText)
#
# Clean by replacing any matched token with any item in the curated list ..
for incorrectToken, correctedToken in self.CuratedList.items():
strText = strText.replace(incorrectToken, correctedToken)
#
# fix coma and semicolon ..
strText = self.replaceWrongComa(strText)
#
# remove extra spaces
strText = regEx.sub(" +", " ", strText)
return strText
#
#
#
def hardCleaning (self, strText, removeStopWord=False, applyLemmatize=False):
#
#
# Apply soft cleaning first
strText = self.softCleaning(strText)
#
# Normailse
strText = normalize_teh_marbuta_ar(strText) # for Alha
strText = normalize_alef_ar(strText) # for Alhamza
strText = normalize_alef_maksura_ar(strText)
#
#
strText = self.removeNonArabicChar(strText)
#
#
strText = self.lemmatizeAndRemoveDotFromToken(strText, removeStopWord, applyLemmatize)
# Remove final sentence-dots
#strText = strText.replace('.', ' ')
return strText
#
#
#
def replaceWrongComa(self, strText):
# to keep coma and semicolon
strText = strText.replace(",", "،").replace(";", "؛").replace("?", "؟")
#
# to add space for correct sepration ..
strText = strText.replace("،", " ، ").replace("؛ ","؛ ").replace("؟ ","؟ ").replace(":", " : ").replace(".", " . ")
return strText
#
#
#
def removeNonArabicChar(self, strText):
#
# remove english and non-arabic (including special) characters
strText = regEx.compile('([^\n\u060C-\u064A\.:؟?])').sub(' ', strText)
#
# remove extra spaces
return regEx.sub(" +", " ", strText)
#
#
#
def lemmatizeAndRemoveDotFromToken (
self, strDoc,
removeStopWord=False,
applyLemmatize=False):
getTokens = word_tokenize(strDoc)
strDoc = ""
for strToken in getTokens:
#
sT= strToken.strip()
#
# skip if it's a stop word
if removeStopWord and sT in self.stop_words:
continue
#
#
if applyLemmatize:
sT = self.getStemWToken(sT)
#
# check Dots
if '.' in sT and len(sT)>1:
sT = sT.replace(".", self.DotChar)
#
#
if len(sT)<2 and '.' not in sT:
continue
strDoc += sT + ' '
return strDoc.strip()
#
#
#
def getStemWToken(self, wToken):
#
try:
stemObject = self.arStemmer.analyze(wToken)
# Remove Tashkeel and Normailse
strText = dediac_ar(stemObject[0]['stem'])
strText = normalize_teh_marbuta_ar(strText) # for Alha
strText = normalize_alef_ar(strText) # for Alhamza
strText = normalize_alef_maksura_ar(strText)
return strText
except:
return wToken
#
#
#
def add_if_key_not_exist(self, dict_obj, key, value):
if key not in dict_obj:
dict_obj.update({key: value})
#
#
#
def toRound(self, dVal, iDigits =2):
return np.round(dVal, iDigits)
#
#
#
def readTxtFile (self, strPath):
with open(strPath, 'r', encoding="utf-8") as file:
return file.read().replace("\n", " ")
if s_size > max_sentence:
max_sentence = s_size
sentence_size += s_size
fd.close()
print(min_sentence, max_sentence, sentence_size/len(sentences))
# Extract Morphological properties of every word from corpus
db = MorphologyDB.builtin_db()
analyzer = Analyzer(db)
# # Create analyzer with NOAN_PROP backoff
# analyzer = Analyzer(db, 'NOAN_PROP')
training_set = []
for sentence in sentences:
s = []
for word in sentence:
analyses = analyzer.analyze(word['INPUT STRING'])
# print(word, analyses)
for d in analyses:
# print(get_tag(d['bw']) == sentences[0][0]['POS'])
tag = get_tag(d['bw'])
