def tokenize(self, text):
r"""
Tokenizing a sentence inserts spaces in such a way that it separates
punctuation from words, splits up contractions, and generally does what
a lot of natural language tools (especially parsers) expect their
input to do.
>>> en_nl.tokenize("Time is an illusion. Lunchtime, doubly so.")
u'Time is an illusion . Lunchtime , doubly so .'
>>> untok = '''
... "Very deep," said Arthur, "you should send that in to the
... Reader's Digest. They've got a page for people like you."
... '''
>>> tok = en_nl.tokenize(untok)
>>> tok
u"`` Very deep , '' said Arthur , `` you should send that in to the Reader 's Digest . They 've got a page for people like you . ''"
>>> en_nl.untokenize(tok)
u'"Very deep," said Arthur, "you should send that in to the Reader\'s Digest. They\'ve got a page for people like you."'
>>> en_nl.untokenize(tok) == untok.replace('\n', ' ').strip()
True
"""
step0 = preprocess_text(text).replace('\r', '').replace('\n', ' ')
cur = step0.replace(" '", " ` ").replace("'", " '").replace("n 't",
" n't").replace("cannot", "can not")
for regex, replacement in compiled_tokenizer_regexes:
cur = regex.sub(replacement, cur)
return cur.strip()
def canonicalize(self, word):
"""
Reduce equivalent characters to a canonical form.
In a EuroNL, by default, this puts those characters in lowercase.
"""
return preprocess_text(word).lower()
def analyze(self, text):
"""
Runs a line of text through MeCab, and returns the results as a
list of lists ("records") that contain the MeCab analysis of each
word.
"""
text = preprocess_text(text).lower()
n_chunks = (len(text) + 1024) // 1024
results = []
for chunk in xrange(n_chunks):
chunk_text = text[chunk * 1024:(chunk + 1) * 1024].encode(
self.mecab_encoding)
self.mecab.stdin.write(chunk_text + '\n')
#self.input_log.write(text+'\n')
out_line = ''
while True:
out_line = self.mecab.stdout.readline()
#self.output_log.write(out_line)
out_line = out_line.decode(self.mecab_encoding)
if out_line == u'EOS\n':
break
word, info = out_line.strip(u'\n').split(u'\t')
record = [word] + info.split(u',')
# special case for detecting nai -> n
if record[0] == u'ん' and record[5] == u'不変化型':
record[7] = record[1] = u'ない'
results.append(record)
return results
def analyze(self, text):
"""
Runs a line of text through MeCab, and returns the results as a
list of lists ("records") that contain the MeCab analysis of each
word.
"""
text = preprocess_text(text).lower()
n_chunks = (len(text)+1024)//1024
results = []
for chunk in xrange(n_chunks):
chunk_text = text[chunk*1024:(chunk+1)*1024].encode(self.mecab_encoding)
self.mecab.stdin.write(chunk_text+'\n')
#self.input_log.write(text+'\n')
out_line = ''
while True:
out_line = self.mecab.stdout.readline()
#self.output_log.write(out_line)
out_line = out_line.decode(self.mecab_encoding)
if out_line == u'EOS\n':
break
word, info = out_line.strip(u'\n').split(u'\t')
record = [word] + info.split(u',')
# special case for detecting nai -> n
if record[0] == u'ん' and record[5] == u'不変化型':
record[7] = record[1] = u'ない'
results.append(record)
return results
def canonicalize(self, word):
"""
Reduce equivalent characters to a canonical form.
In a EuroNL, by default, this puts those characters in lowercase.
"""
return preprocess_text(word).lower()
def tokenize(self, text):
r"""
Tokenizing a sentence inserts spaces in such a way that it separates
punctuation from words, splits up contractions, and generally does what
a lot of natural language tools (especially parsers) expect their
input to do.
>>> en_nl.tokenize("Time is an illusion. Lunchtime, doubly so.")
u'Time is an illusion . Lunchtime , doubly so .'
>>> untok = '''
... "Very deep," said Arthur, "you should send that in to the
... Reader's Digest. They've got a page for people like you."
... '''
>>> tok = en_nl.tokenize(untok)
>>> tok
u"`` Very deep , '' said Arthur , `` you should send that in to the Reader 's Digest . They 've got a page for people like you . ''"
>>> en_nl.untokenize(tok)
u'"Very deep," said Arthur, "you should send that in to the Reader\'s Digest. They\'ve got a page for people like you."'
>>> en_nl.untokenize(tok) == untok.replace('\n', ' ').strip()
True
"""
step0 = preprocess_text(text).replace('\r', '').replace('\n', ' ')
cur = step0.replace(" '", " ` ").replace("'", " '").replace(
"n 't", " n't").replace("cannot", "can not")
for regex, replacement in compiled_tokenizer_regexes:
cur = regex.sub(replacement, cur)
return cur.strip()
def read_csv_columns(csv_file, columns, header = True):
reader = csv.reader(codecs.open(csv_file, 'r', 'latin-1'), delimiter=',')
if header:
next(reader)
data = []
for row in reader:
fields = []
for c in columns:
txt = re.sub(r'^"|"$','',row[c]).decode('unicode-escape')
try:
txt = txt.decode('unicode-escape')
except: pass
unicodedata.normalize('NFKD', txt).encode('ascii', 'ignore')
fields.append(simplenlp.preprocess_text(txt))
data.append(fields)
return np.array(data)
def read_csv_columns(csv_file, columns, header = True):
reader = csv.reader(codecs.open(csv_file, 'r', 'latin-1'), delimiter=',')
if header:
next(reader)
data = []
for row in reader:
fields = []
for c in columns:
txt = re.sub(r'^"|"$','',row[c]).decode('unicode-escape')
try:
txt = txt.decode('unicode-escape')
except: pass
unicodedata.normalize('NFKD', txt).encode('ascii', 'ignore')
fields.append(simplenlp.preprocess_text(txt))
data.append(fields)
return np.array(data)
def test_preprocess():
assert simplenlp.preprocess_text(
'This is a\000 test.\r\n') == 'This is a test. '
def test_preprocess():
assert simplenlp.preprocess_text("This is a\000 test.\r\n") == "This is a test. "
