def test_transliteration():
# "Well, there's a lot of things you do not understand."
# (from somewhere in OpenSubtitles)
eq_(tokenize("Па, има ту много ствари које не схваташ.", 'sr'),
['pa', 'ima', 'tu', 'mnogo', 'stvari', 'koje', 'ne', 'shvataš'])
eq_(tokenize("Pa, ima tu mnogo stvari koje ne shvataš.", 'sr'),
['pa', 'ima', 'tu', 'mnogo', 'stvari', 'koje', 'ne', 'shvataš'])
def db_rank(clue):
scores = defaultdict(float)
for match, score in db_search(clue).items():
scores[slugify(match)] += score * 1000
parts = tokenize(match, 'en')
for part in parts:
scores[slugify(part)] += score * 1000 / len(parts)
for word in tokenize(clue, 'en'):
logprob_result = WORDS.segment_logprob(slugify(word))
if logprob_result is not None:
logprob, _ = logprob_result
else:
logprob = -1000.
rare_boost = min(25., -logprob)
for match, score in db_search(word).items():
scores[slugify(match)] += rare_boost * score * 10
parts = tokenize(match, 'en')
for part in parts:
scores[slugify(part)] += rare_boost * score * 10 / len(parts)
query = query_expand(word)
for match, score in db_search(query).items():
scores[slugify(match)] += rare_boost * score
parts = tokenize(match, 'en')
for part in parts:
scores[slugify(part)] += rare_boost * score / len(parts)
return scores
def test_transliteration():
# "Well, there's a lot of things you do not understand."
# (from somewhere in OpenSubtitles
assert (
tokenize("Па, има ту много ствари које не схваташ.", 'sr') ==
['pa', 'ima', 'tu', 'mnogo', 'stvari', 'koje', 'ne', 'shvataš']
)
assert (
tokenize("Pa, ima tu mnogo stvari koje ne shvataš.", 'sr') ==
['pa', 'ima', 'tu', 'mnogo', 'stvari', 'koje', 'ne', 'shvataš']
)
# I don't have examples of complete sentences in Azerbaijani that are
# naturally in Cyrillic, because it turns out everyone writes Azerbaijani
# in Latin letters on the Internet, _except_ sometimes for Wiktionary.
# So here are some individual words.
# 'library' in Azerbaijani Cyrillic
assert preprocess_text('китабхана', 'az') == 'kitabxana'
assert preprocess_text('КИТАБХАНА', 'az') == 'kitabxana'
assert preprocess_text('KİTABXANA', 'az') == 'kitabxana'
# 'scream' in Azerbaijani Cyrillic
assert preprocess_text('бағырты', 'az') == 'bağırtı'
assert preprocess_text('БАҒЫРТЫ', 'az') == 'bağırtı'
assert preprocess_text('BAĞIRTI', 'az') == 'bağırtı'
def test_catastrophes():
# More apostrophes, but this time they're in Catalan, and there's other
# mid-word punctuation going on too.
eq_(tokenize("M'acabo d'instal·lar.", 'ca'),
['m', 'acabo', 'd', 'instal·lar'])
eq_(tokenize("M'acabo d'instal·lar.", 'ca', include_punctuation=True),
["m'", 'acabo', "d'", 'instal·lar', '.'])
def test_gender_neutral_at():
# Recognize the gender-neutral @ in Spanish as part of the word
text = "La protección de los derechos de tod@s l@s trabajador@s migrantes"
assert tokenize(text, "es") == [
"la", "protección", "de", "los", "derechos", "de", "tod@s", "l@s",
"trabajador@s", "migrantes"
]
text = "el distrito 22@ de Barcelona"
assert tokenize(text, 'es') == ["el", "distrito", "22@", "de", "barcelona"]
assert lossy_tokenize(
text, 'es') == ["el", "distrito", "00@", "de", "barcelona"]
# It also appears in Portuguese
text = "direitos e deveres para @s membr@s da comunidade virtual"
assert tokenize(text, "pt") == [
"direitos", "e", "deveres", "para", "@s", "membr@s", "da",
"comunidade", "virtual"
]
# Because this is part of our tokenization, the language code doesn't
# actually matter, as long as it's a language with Unicode tokenization
text = "@s membr@s da comunidade virtual"
assert tokenize(text,
"en") == ["@s", "membr@s", "da", "comunidade", "virtual"]
def test_tokens():
# Let's test on some Chinese text that has unusual combinations of
# syllables, because it is about an American vice-president.
#
# (He was the Chinese Wikipedia's featured article of the day when I
# wrote this test.)
hobart = '加勒特·霍巴特' # Garret Hobart, or "jiā lè tè huò bā tè".
# He was the sixth American vice president to die in office.
fact_simplified = '他是历史上第六位在任期内去世的美国副总统。'
fact_traditional = '他是歷史上第六位在任期內去世的美國副總統。'
# His name breaks into five pieces, with the only piece staying together
# being the one that means 'Bart'. The dot is not included as a token.
eq_(
tokenize(hobart, 'zh'),
['加', '勒', '特', '霍', '巴特']
)
eq_(
tokenize(fact_simplified, 'zh'),
[
# he / is / in history / #6 / counter for people
'他', '是', '历史上', '第六', '位',
# during / term of office / in / die
'在', '任期', '内', '去世',
# of / U.S. / deputy / president
'的', '美国', '副', '总统'
]
)
# You match the same tokens if you look it up in Traditional Chinese.
eq_(tokenize(fact_simplified, 'zh'), tokenize(fact_traditional, 'zh'))
assert_greater(word_frequency(fact_traditional, 'zh'), 0)
def main():
arg1 = sys.argv[1]
arg2 = sys.argv[2]
urlInput = False
if arg2.startswith("http://") or arg2.startswith("https://"):
urlInput = True
inp_file1 = open(arg1)
if urlInput:
response = urllib.request.urlopen(arg2)
inp_file2 = response.read().decode("utf8").splitlines()
else:
inp_file2 = open(arg2)
numPrints = int(sys.argv[3])
tokenizedLines = wordfreq.tokenize(inp_file2)
tokenizedStopWords = wordfreq.tokenize(inp_file1)
inp_file1.close()
if not urlInput:
inp_file2.close()
frequencies = wordfreq.countWords(tokenizedLines, tokenizedStopWords)
wordfreq.printTopMost(frequencies, numPrints)
def test_ideographic_fallback():
# Try tokenizing Chinese text as English -- it should remain stuck together.
eq_(tokenize('中国文字', 'en'), ['中国文字'])
# When Japanese is tagged with the wrong language, it will be split
# at script boundaries.
ja_text = 'ひらがなカタカナromaji'
eq_(tokenize(ja_text, 'en'), ['ひらがな', 'カタカナ', 'romaji'])
def test_ideographic_fallback():
# Try tokenizing Chinese text -- it should remain stuck together.
eq_(tokenize("中国文字", "zh"), ["中国文字"])
# When Japanese is tagged with the wrong language, it will be split
# at script boundaries.
ja_text = "ひらがなカタカナromaji"
eq_(tokenize(ja_text, "en"), ["ひらがな", "カタカナ", "romaji"])
def test_catastrophes():
# More apostrophes, but this time they're in Catalan, and there's other
# mid-word punctuation going on too.
assert tokenize("M'acabo d'instal·lar.", 'ca') == ['m', 'acabo', 'd', 'instal·lar']
assert (
tokenize("M'acabo d'instal·lar.", 'ca', include_punctuation=True) ==
["m'", 'acabo', "d'", 'instal·lar', '.']
)
def test_punctuation_at():
# If the @ appears alone in a word, we consider it to be punctuation
text = "operadores de canal, que são aqueles que têm um @ ao lado do nick"
assert tokenize(text, "pt") == [
"operadores",
"de",
"canal",
"que",
"são",
"aqueles",
"que",
"têm",
"um",
"ao",
"lado",
"do",
"nick"
]
assert tokenize(text, "pt", include_punctuation=True) == [
"operadores",
"de",
"canal",
",",
"que",
"são",
"aqueles",
"que",
"têm",
"um",
"@",
"ao",
"lado",
"do",
"nick"
]
# If the @ is not at the end of the word or part of the word ending '@s',
# it is also punctuation
text = "un archivo hosts.deny que contiene la línea ALL:ALL@ALL"
assert tokenize(text, "es") == [
"un",
"archivo",
"hosts.deny",
"que",
"contiene",
"la",
"línea",
"all:all",
"all"
]
# Make sure not to catch e-mail addresses
text = "*****@*****.**"
assert tokenize(text, "en") == [
"info",
"something.example"
]
def test_arabic():
# Remove tatweels
assert tokenize('متــــــــعب', 'ar') == ['متعب']
# Remove combining marks
assert tokenize('حَرَكَات', 'ar') == ['حركات']
# An Arabic ligature that is affected by NFKC normalization
assert tokenize('\ufefb', 'ar') == ['\u0644\u0627']
def test_arabic():
# Remove tatweels
assert tokenize('متــــــــعب', 'ar') == ['متعب']
# Remove combining marks
assert tokenize('حَرَكَات', 'ar') == ['حركات']
# An Arabic ligature that is affected by NFKC normalization
assert tokenize('\ufefb', 'ar') == ['\u0644\u0627']
def test_actually_russian():
# This looks mostly like Serbian, but was probably actually Russian.
# In Russian, Google Translate says it means:
# "a hundred out of a hundred, boys!"
#
# We make sure to handle this case so we don't end up with a mixed-script
# word like "pacanы".
assert tokenize("сто из ста, пацаны!", 'sr') == ['sto', 'iz', 'sta', 'pacany']
assert tokenize("культуры", 'sr') == ["kul'tury"]
def test_ar():
# Remove tatweels
eq_(tokenize("متــــــــعب", "ar"), ["متعب"])
# Remove combining marks
eq_(tokenize("حَرَكَات", "ar"), ["حركات"])
eq_(
tokenize("\ufefb", "ar"), ["\u0644\u0627"] # An Arabic ligature... # ...that is affected by NFKC normalization
)
def test_ideographic_fallback():
# Try tokenizing Chinese text as English -- it should remain stuck together.
eq_(tokenize('中国文字', 'en'), ['中国文字'])
# When Japanese is tagged with the wrong language, it will be split
# at script boundaries.
ja_text = 'ひらがなカタカナromaji'
eq_(
tokenize(ja_text, 'en'),
['ひらがな', 'カタカナ', 'romaji']
)
def test_arabic():
# Remove tatweels
eq_(tokenize('متــــــــعب', 'ar'), ['متعب'])
# Remove combining marks
eq_(tokenize('حَرَكَات', 'ar'), ['حركات'])
eq_(
tokenize('\ufefb', 'ar'), # An Arabic ligature...
['\u0644\u0627'] # ...that is affected by NFKC normalization
)
def test_actually_russian():
# This looks mostly like Serbian, but was probably actually Russian.
# In Russian, Google Translate says it means:
# "a hundred out of a hundred, boys!"
#
# We make sure to handle this case so we don't end up with a mixed-script
# word like "pacanы".
eq_(tokenize("сто из ста, пацаны!", 'sr'), ['sto', 'iz', 'sta', 'pacany'])
eq_(tokenize("культуры", 'sr'), ["kul'tury"])
def test_apostrophes():
# Test that we handle apostrophes in French reasonably.
assert tokenize("qu'un", 'fr') == ['qu', 'un']
assert tokenize("qu'un", 'fr', include_punctuation=True) == ["qu'", "un"]
assert tokenize("langues d'oïl", 'fr') == ['langues', "d", 'oïl']
assert tokenize("langues d'oïl", 'fr', include_punctuation=True) == ['langues', "d'", 'oïl']
assert tokenize("l'heure", 'fr') == ['l', 'heure']
assert tokenize("l'ànima", 'ca') == ['l', 'ànima']
assert tokenize("l'heure", 'fr', include_punctuation=True) == ["l'", 'heure']
assert tokenize("L'Hôpital", 'fr', include_punctuation=True) == ["l'", 'hôpital']
assert tokenize("aujourd'hui", 'fr') == ["aujourd'hui"]
assert tokenize("This isn't French", 'en') == ['this', "isn't", 'french']
def test_tokenization():
# We preserve apostrophes within words, so "can't" is a single word in the
# data
eq_(tokenize("I don't split at apostrophes, you see.", 'en'),
['i', "don't", 'split', 'at', 'apostrophes', 'you', 'see'])
# Certain punctuation does not inherently split a word.
eq_(tokenize("Anything is possible at zombo.com", 'en'),
['anything', 'is', 'possible', 'at', 'zombo.com'])
# Splits occur after symbols, and at splitting punctuation such as hyphens.
eq_(tokenize('😂test', 'en'), ['😂', 'test'])
eq_(tokenize("flip-flop", 'en'), ['flip', 'flop'])
def test_tokenization():
# We preserve apostrophes within words, so "can't" is a single word in the
# data
eq_(tokenize("I don't split at apostrophes, you see.", 'en'),
['i', "don't", 'split', 'at', 'apostrophes', 'you', 'see'])
# Certain punctuation does not inherently split a word.
eq_(tokenize("Anything is possible at zombo.com", 'en'),
['anything', 'is', 'possible', 'at', 'zombo.com'])
# Splits occur after symbols, and at splitting punctuation such as hyphens.
eq_(tokenize('😂test', 'en'), ['😂', 'test'])
eq_(tokenize("flip-flop", 'en'), ['flip', 'flop'])
def test_apostrophes():
# Test that we handle apostrophes in French reasonably.
assert tokenize("qu'un", 'fr') == ['qu', 'un']
assert tokenize("qu'un", 'fr', include_punctuation=True) == ["qu'", "un"]
assert tokenize("langues d'oïl", 'fr') == ['langues', "d", 'oïl']
assert tokenize("langues d'oïl", 'fr', include_punctuation=True) == ['langues', "d'", 'oïl']
assert tokenize("l'heure", 'fr') == ['l', 'heure']
assert tokenize("l'heure", 'fr', include_punctuation=True) == ["l'", 'heure']
assert tokenize("L'Hôpital", 'fr', include_punctuation=True) == ["l'", 'hôpital']
assert tokenize("aujourd'hui", 'fr') == ["aujourd'hui"]
assert tokenize("This isn't French", 'en') == ['this', "isn't", 'french']
def test_alternate_codes():
# Tokenization of Chinese works when you use other language codes
# that are not equal to 'zh'.
tokens = ['谢谢', '谢谢']
# Code with a region attached
eq_(tokenize('谢谢谢谢', 'zh-CN'), tokens)
# Over-long codes for Chinese
eq_(tokenize('谢谢谢谢', 'chi'), tokens)
eq_(tokenize('谢谢谢谢', 'zho'), tokens)
# Separate codes for Mandarin and Cantonese
eq_(tokenize('谢谢谢谢', 'cmn'), tokens)
eq_(tokenize('谢谢谢谢', 'yue'), tokens)
def test_tokenization():
# We preserve apostrophes within words, so "can't" is a single word in the
# data
eq_(
tokenize("I don't split at apostrophes, you see.", "en"),
["i", "don't", "split", "at", "apostrophes", "you", "see"],
)
# Certain punctuation does not inherently split a word.
eq_(tokenize("Anything is possible at zombo.com", "en"), ["anything", "is", "possible", "at", "zombo.com"])
# Splits occur after symbols, and at splitting punctuation such as hyphens.
eq_(tokenize("😂test", "en"), ["😂", "test"])
eq_(tokenize("flip-flop", "en"), ["flip", "flop"])
def test_alternate_codes():
# Tokenization of Chinese works when you use other language codes
# that are not equal to 'zh'.
tokens = ['谢谢', '谢谢']
# Code with a region attached
assert tokenize('谢谢谢谢', 'zh-CN') == tokens
# Over-long codes for Chinese
assert tokenize('谢谢谢谢', 'chi') == tokens
assert tokenize('谢谢谢谢', 'zho') == tokens
# Separate codes for Mandarin and Cantonese
assert tokenize('谢谢谢谢', 'cmn') == tokens
assert tokenize('谢谢谢谢', 'yue') == tokens
def read_freqs(filename, cutoff=0, lang=None):
"""
Read words and their frequencies from a CSV file.
Only words with a frequency greater than or equal to `cutoff` are returned.
If `cutoff` is greater than 0, the csv file must be sorted by frequency
in descending order.
If lang is given, read_freqs will apply language specific preprocessing
operations.
"""
raw_counts = defaultdict(float)
total = 0.
with open(filename, encoding='utf-8', newline='') as infile:
for key, strval in csv.reader(infile):
val = float(strval)
if val < cutoff:
break
tokens = tokenize(
key, lang) if lang is not None else simple_tokenize(key)
for token in tokens:
# Use += so that, if we give the reader concatenated files with
# duplicates, it does the right thing
raw_counts[fix_text(token)] += val
total += val
for word in raw_counts:
raw_counts[word] /= total
return raw_counts
def read_values(filename, cutoff=0, max_size=1e8, lang=None):
"""
Read words and their frequency or count values from a CSV file. Returns
a dictionary of values and the total of all values.
Only words with a value greater than or equal to `cutoff` are returned.
If `cutoff` is greater than 0, the csv file must be sorted by value
in descending order.
If `lang` is given, it will apply language-specific tokenization to the
words that it reads.
"""
values = defaultdict(float)
total = 0.
with open(filename, encoding='utf-8', newline='') as infile:
for key, strval in csv.reader(infile):
val = float(strval)
key = fix_text(key)
if val < cutoff or len(values) >= max_size:
break
tokens = tokenize(key, lang) if lang is not None else simple_tokenize(key)
for token in tokens:
# Use += so that, if we give the reader concatenated files with
# duplicates, it does the right thing
values[token] += val
total += val
return values, total
def main():
#Add all stopwords to a List
stop_file = open(sys.argv[1], encoding="utf-8")
stop_words = []
for stop in stop_file:
stop_words.append(stop.strip())
stop_file.close()
inp_file = ""
#Check if file points to local dir or http
if (str(sys.argv[2]).startswith('http://')
or str(sys.argv[2]).startswith('https://')):
response = urllib.request.urlopen(sys.argv[2])
inp_file = response.read().decode("utf8").splitlines()
else:
local_file = open(sys.argv[2], encoding="utf-8")
inp_file = local_file.read().splitlines()
local_file.close()
#Split all words
t_file = w.tokenize(inp_file)
#Count words
countDic = w.countWords(t_file, stop_words)
#Print top N
w.printTopMost(countDic, int(sys.argv[3]))
def cld2_surface_tokenizer(text, mode='twitter'):
"""
Uses CLD2 to detect the language and wordfreq tokenizer to create tokens.
The `mode` can be 'twitter' or 'reddit', which slightly changes the
pre-processing of the text.
"""
text = unescape_html(text)
if mode == 'twitter':
text = TWITTER_HANDLE_RE.sub('', text)
text = TCO_RE.sub('', text)
elif mode == 'reddit':
text = URL_RE.sub('', text)
text = MARKDOWN_URL_RESIDUE_RE.sub(']', text)
lang = cld2_detect_language(text)
# If the detected language isn't in our pretty generous list of languages,
# return no tokens.
if lang not in KEEP_THESE_LANGUAGES:
return 'xx', []
# cld2's accuracy seems to improve dramatically with at least 50
# bytes of input, so throw away non-English below this length.
if len(text.encode('utf-8')) < 50 and lang != 'en':
return 'xx', []
tokens = tokenize(text, lang)
return lang, tokens
def read_values(filename, cutoff=0, max_words=1e8, lang=None):
"""
Read words and their frequency or count values from a CSV file. Returns
a dictionary of values and the total of all values.
Only words with a value greater than or equal to `cutoff` are returned.
In addition, only up to `max_words` words are read.
If `cutoff` is greater than 0 or `max_words` is smaller than the list,
the csv file must be sorted by value in descending order, so that the
most frequent words are kept.
If `lang` is given, it will apply language-specific tokenization to the
words that it reads.
"""
values = defaultdict(float)
total = 0.
with open(filename, encoding='utf-8', newline='') as infile:
for key, strval in csv.reader(infile):
val = float(strval)
key = fix_text(key)
if val < cutoff or len(values) >= max_words:
break
tokens = tokenize(
key, lang) if lang is not None else simple_tokenize(key)
for token in tokens:
# Use += so that, if we give the reader concatenated files with
# duplicates, it does the right thing
values[token] += val
total += val
return values, total
def cld2_surface_tokenizer(text, mode='twitter'):
"""
Uses CLD2 to detect the language and wordfreq tokenizer to create tokens.
The `mode` can be 'twitter' or 'reddit', which slightly changes the
pre-processing of the text.
"""
text = unescape_html(text)
if mode == 'twitter':
text = TWITTER_HANDLE_RE.sub('', text)
text = TCO_RE.sub('', text)
elif mode == 'reddit':
text = URL_RE.sub('', text)
text = MARKDOWN_URL_RESIDUE_RE.sub(']', text)
lang = cld2_detect_language(text)
# If the detected language isn't in our pretty generous list of languages,
# return no tokens.
if lang not in KEEP_THESE_LANGUAGES:
return 'xx', []
# cld2's accuracy seems to improve dramatically with at least 50
# bytes of input, so throw away non-English below this length.
if len(text.encode('utf-8')) < 50 and lang != 'en':
return 'xx', []
tokens = tokenize(text, lang)
return lang, tokens
def wordfreqs(text):
freqs = []
for tok in wordfreq.tokenize(text, 'en'):
freq = wordfreq.zipf_frequency(tok, 'en')
if freq != 0:
freqs.append(freq)
return np.array(freqs)
def simple_tokenize(text):
"""
Tokenize text using the default wordfreq rules.
It depends on 'wordfreq', a Python 3 library, so it can tokenize multilingual
text consistently: https://pypi.org/project/wordfreq/
"""
return wordfreq.tokenize(text, 'xx')
def test_ideographic_fallback():
# Try tokenizing Chinese text as English -- it should remain stuck together.
eq_(tokenize('中国文字', 'en'), ['中国文字'])
# When Japanese is tagged with the wrong language, it will be split
# at script boundaries.
ja_text = 'ひらがなカタカナromaji'
eq_(
tokenize(ja_text, 'en'),
['ひらがな', 'カタカナ', 'romaji']
)
# Test that we leave Thai letters stuck together. If we had better Thai support,
# we would actually split this into a three-word phrase.
eq_(tokenize('การเล่นดนตรี', 'th'), ['การเล่นดนตรี'])
eq_(tokenize('"การเล่นดนตรี" means "playing music"', 'en'),
['การเล่นดนตรี', 'means', 'playing', 'music'])
def test_ideographic_fallback():
# Try tokenizing Chinese text as English -- it should remain stuck together.
eq_(tokenize('中国文字', 'en'), ['中国文字'])
# When Japanese is tagged with the wrong language, it will be split
# at script boundaries.
ja_text = 'ひらがなカタカナromaji'
eq_(
tokenize(ja_text, 'en'),
['ひらがな', 'カタカナ', 'romaji']
)
# Test that we leave Thai letters stuck together. If we had better Thai support,
# we would actually split this into a three-word phrase.
eq_(tokenize('การเล่นดนตรี', 'th'), ['การเล่นดนตรี'])
eq_(tokenize('"การเล่นดนตรี" means "playing music"', 'en'),
['การเล่นดนตรี', 'means', 'playing', 'music'])
def standardized(term):
"""
Breaks into underscore-separated words and replaces numbers with '#' signs.
"""
tokens = wordfreq.tokenize(term.replace('_', ' '), 'xx')
if tokens[0] == 'to':
tokens = tokens[1:]
return replace_numbers('_'.join(tokens))
def text_to_vector(self, language, text):
"""
Used in Story Cloze Test to create a vector for text.
"""
tokens = wordfreq.tokenize(text, language)
weighted_terms = [(uri_prefix(standardized_uri(language, token)), 1.)
for token in tokens]
return self.get_vector(weighted_terms, oov_vector=False)
def test_ar():
# Remove tatweels
eq_(
tokenize('متــــــــعب', 'ar'),
['متعب']
)
# Remove combining marks
eq_(
tokenize('حَرَكَات', 'ar'),
['حركات']
)
eq_(
tokenize('\ufefb', 'ar'), # An Arabic ligature...
['\u0644\u0627'] # ...that is affected by NFKC normalization
)
def text_to_vector(self, language, text):
"""
Used in Story Cloze Test to create a vector for text.
"""
tokens = wordfreq.tokenize(text, language)
weighted_terms = [
(uri_prefix(standardized_uri(language, token)), 1.) for token in tokens
]
return self.get_vector(weighted_terms, oov_vector=False)
def cld2_surface_tokenizer(text):
"""
Uses CLD2 to detect the language and wordfreq tokenizer to create tokens.
"""
text = unescape_html(text)
text = TWITTER_HANDLE_RE.sub('', text)
text = TCO_RE.sub('', text)
lang = cld2_detect_language(text)
tokens = tokenize(text, lang)
return lang, tokens
def main():
f1 = open(sys.argv[1], encoding="utf-8")
stops = []
for line in f1:
stops.append(line.strip())
f1.close()
text = check(sys.argv[2])
tokenz = wordfreq.tokenize(text)
freks = wordfreq.countWords(tokenz, stops)
wordfreq.printTopMost(freks, int(sys.argv[3]))
def cld2_surface_tokenizer(text):
"""
Uses CLD2 to detect the language and wordfreq tokenizer to create tokens.
"""
text = unescape_html(text)
text = TWITTER_HANDLE_RE.sub('', text)
text = TCO_RE.sub('', text)
lang = cld2_detect_language(text)
tokens = tokenize(text, lang)
return lang, tokens
def test_number_smashing():
assert tokenize('"715 - CRΣΣKS" by Bon Iver', 'en') == ['715', 'crσσks', 'by', 'bon', 'iver']
assert lossy_tokenize('"715 - CRΣΣKS" by Bon Iver', 'en') == ['000', 'crσσks', 'by', 'bon', 'iver']
assert (
lossy_tokenize('"715 - CRΣΣKS" by Bon Iver', 'en', include_punctuation=True)
== ['"', '000', '-', 'crσσks', '"', 'by', 'bon', 'iver']
)
assert lossy_tokenize('1', 'en') == ['1']
assert lossy_tokenize('3.14', 'en') == ['0.00']
assert lossy_tokenize('24601', 'en') == ['00000']
assert word_frequency('24601', 'en') == word_frequency('90210', 'en')
def build_wp_database(db, filename):
db.execute("DROP TABLE IF EXISTS words")
with db as _transaction:
for statement in SCHEMA:
db.execute(statement)
with db as _transaction:
num_lines = sum(1 for line in open(filename))
for line in tqdm(open(filename), total=num_lines):
title, text = line.split('\t', 1)
words = wordfreq.tokenize(text.rstrip(), 'en')
for word in words:
add_entry(db, title, word)
def test_gender_neutral_at():
# Recognize the gender-neutral @ in Spanish as part of the word
text = "La protección de los derechos de tod@s l@s trabajador@s migrantes"
assert tokenize(text, "es") == [
"la",
"protección",
"de",
"los",
"derechos",
"de",
"tod@s",
"l@s",
"trabajador@s",
"migrantes"
]
text = "el distrito 22@ de Barcelona"
assert tokenize(text, 'es') == ["el", "distrito", "22@", "de", "barcelona"]
assert lossy_tokenize(text, 'es') == ["el", "distrito", "00@", "de", "barcelona"]
# It also appears in Portuguese
text = "direitos e deveres para @s membr@s da comunidade virtual"
assert tokenize(text, "pt") == [
"direitos",
"e",
"deveres",
"para",
"@s",
"membr@s",
"da",
"comunidade",
"virtual"
]
# Because this is part of our tokenization, the language code doesn't
# actually matter, as long as it's a language with Unicode tokenization
text = "@s membr@s da comunidade virtual"
assert tokenize(text, "en") == ["@s", "membr@s", "da", "comunidade", "virtual"]
def test_tokenization():
# We preserve apostrophes within words, so "can't" is a single word in the
# data
eq_(tokenize("I don't split at apostrophes, you see.", 'en'),
['i', "don't", 'split', 'at', 'apostrophes', 'you', 'see'])
eq_(
tokenize("I don't split at apostrophes, you see.",
'en',
include_punctuation=True),
['i', "don't", 'split', 'at', 'apostrophes', ',', 'you', 'see', '.'])
# Certain punctuation does not inherently split a word.
eq_(tokenize("Anything is possible at zombo.com", 'en'),
['anything', 'is', 'possible', 'at', 'zombo.com'])
# Splits occur after symbols, and at splitting punctuation such as hyphens.
eq_(tokenize('😂test', 'en'), ['😂', 'test'])
eq_(tokenize("flip-flop", 'en'), ['flip', 'flop'])
eq_(
tokenize('this text has... punctuation :)',
'en',
include_punctuation=True),
['this', 'text', 'has', '...', 'punctuation', ':)'])
# Multi-codepoint emoji sequences such as 'medium-skinned woman with headscarf'
# and 'David Bowie' stay together, because our Unicode segmentation algorithm
# is up to date
eq_(tokenize('emoji test 🧕🏽', 'en'), ['emoji', 'test', '🧕🏽'])
eq_(
tokenize("👨🎤 Planet Earth is blue, and there's nothing I can do 🌎🚀",
'en'), [
'👨🎤', 'planet', 'earth', 'is', 'blue', 'and', "there's",
'nothing', 'i', 'can', 'do', '🌎', '🚀'
])
# Water wave, surfer, flag of California (indicates ridiculously complete support
# for Unicode 10 and Emoji 5.0)
eq_(tokenize("Surf's up 🌊🏄🏴'", 'en'),
["surf's", "up", "🌊", "🏄", "🏴"])
def test_punctuation_at():
# If the @ appears alone in a word, we consider it to be punctuation
text = "operadores de canal, que são aqueles que têm um @ ao lado do nick"
assert tokenize(text, "pt") == [
"operadores", "de", "canal", "que", "são", "aqueles", "que", "têm",
"um", "ao", "lado", "do", "nick"
]
assert tokenize(text, "pt", include_punctuation=True) == [
"operadores", "de", "canal", ",", "que", "são", "aqueles", "que",
"têm", "um", "@", "ao", "lado", "do", "nick"
]
# If the @ is not at the end of the word or part of the word ending '@s',
# it is also punctuation
text = "un archivo hosts.deny que contiene la línea ALL:ALL@ALL"
assert tokenize(text, "es") == [
"un", "archivo", "hosts.deny", "que", "contiene", "la", "línea",
"all:all", "all"
]
# Make sure not to catch e-mail addresses
text = "*****@*****.**"
assert tokenize(text, "en") == ["info", "something.example"]
def test_transliteration():
# "Well, there's a lot of things you do not understand."
# (from somewhere in OpenSubtitles
assert (tokenize("Па, има ту много ствари које не схваташ.", 'sr') == [
'pa', 'ima', 'tu', 'mnogo', 'stvari', 'koje', 'ne', 'shvataš'
])
assert (tokenize("Pa, ima tu mnogo stvari koje ne shvataš.", 'sr') == [
'pa', 'ima', 'tu', 'mnogo', 'stvari', 'koje', 'ne', 'shvataš'
])
# I don't have examples of complete sentences in Azerbaijani that are
# naturally in Cyrillic, because it turns out everyone writes Azerbaijani
# in Latin letters on the Internet, _except_ sometimes for Wiktionary.
# So here are some individual words.
# 'library' in Azerbaijani Cyrillic
assert preprocess_text('китабхана', 'az') == 'kitabxana'
assert preprocess_text('КИТАБХАНА', 'az') == 'kitabxana'
assert preprocess_text('KİTABXANA', 'az') == 'kitabxana'
# 'scream' in Azerbaijani Cyrillic
assert preprocess_text('бағырты', 'az') == 'bağırtı'
assert preprocess_text('БАҒЫРТЫ', 'az') == 'bağırtı'
assert preprocess_text('BAĞIRTI', 'az') == 'bağırtı'
def test_tokens():
# Let's test on some Chinese text that has unusual combinations of
# syllables, because it is about an American vice-president.
#
# (He was the Chinese Wikipedia's featured article of the day when I
# wrote this test.)
hobart = '加勒特·霍巴特' # Garret Hobart, or "jiā lè tè huò bā tè".
# He was the sixth American vice president to die in office.
fact_simplified = '他是历史上第六位在任期内去世的美国副总统。'
fact_traditional = '他是歷史上第六位在任期內去世的美國副總統。'
# His name breaks into five pieces, with the only piece staying together
# being the one that means 'Bart'. The dot is not included as a token.
eq_(
tokenize(hobart, 'zh'),
['加', '勒', '特', '霍', '巴特']
)
eq_(
tokenize(fact_simplified, 'zh'),
[
# he / is / in history / #6 / counter for people
'他', '是', '历史上', '第六', '位',
# during / term of office / in / die
'在', '任期', '内', '去世',
# of / U.S. / deputy / president
'的', '美国', '副', '总统'
]
)
# Jieba's original tokenizer knows a lot of names, it seems.
eq_(
tokenize(hobart, 'zh', external_wordlist=True),
['加勒特', '霍巴特']
)
# We get almost the same tokens from the sentence using Jieba's own
# wordlist, but it tokenizes "in history" as two words and
# "sixth person" as one.
eq_(
tokenize(fact_simplified, 'zh', external_wordlist=True),
[
# he / is / history / in / sixth person
'他', '是', '历史', '上', '第六位',
# during / term of office / in / die
'在', '任期', '内', '去世',
# of / U.S. / deputy / president
'的', '美国', '副', '总统'
]
)
# You match the same tokens if you look it up in Traditional Chinese.
eq_(tokenize(fact_simplified, 'zh'), tokenize(fact_traditional, 'zh'))
assert_greater(word_frequency(fact_traditional, 'zh'), 0)
def test_number_smashing():
assert tokenize('"715 - CRΣΣKS" by Bon Iver',
'en') == ['715', 'crσσks', 'by', 'bon', 'iver']
assert lossy_tokenize('"715 - CRΣΣKS" by Bon Iver',
'en') == ['000', 'crσσks', 'by', 'bon', 'iver']
assert (lossy_tokenize('"715 - CRΣΣKS" by Bon Iver',
'en',
include_punctuation=True) == [
'"', '000', '-', 'crσσks', '"', 'by', 'bon',
'iver'
])
assert lossy_tokenize('1', 'en') == ['1']
assert lossy_tokenize('3.14', 'en') == ['0.00']
assert lossy_tokenize('24601', 'en') == ['00000']
assert word_frequency('24601', 'en') == word_frequency('90210', 'en')
def cld2_surface_tokenizer(text):
"""
Uses CLD2 to detect the language and wordfreq tokenizer to create tokens.
"""
text = unescape_html(text)
text = TWITTER_HANDLE_RE.sub('', text)
text = TCO_RE.sub('', text)
lang = cld2_detect_language(text)
# Don't allow tokenization in Chinese when language-detecting, because
# the Chinese tokenizer may not be built yet
if lang == 'zh':
lang = 'en'
tokens = tokenize(text, lang)
return lang, tokens
def cld2_reddit_tokenizer(text):
"""
A language-detecting tokenizer with special cases for handling text from
Reddit.
"""
text = URL_RE.sub('', text)
text = MARKDOWN_URL_RESIDUE_RE.sub(']', text)
lang = cld2_detect_language(text)
if lang not in KEEP_THESE_LANGUAGES:
# Reddit is 99.9% English, so if we detected a rare language, it's
# much more likely that it's actually English.
lang = 'en'
tokens = tokenize(text, lang, include_punctuation=True)
return lang, tokens
def test_tokenization():
# We preserve apostrophes within words, so "can't" is a single word in the
# data
assert (
tokenize("I don't split at apostrophes, you see.", 'en')
== ['i', "don't", 'split', 'at', 'apostrophes', 'you', 'see']
)
assert (
tokenize("I don't split at apostrophes, you see.", 'en', include_punctuation=True)
== ['i', "don't", 'split', 'at', 'apostrophes', ',', 'you', 'see', '.']
)
# Certain punctuation does not inherently split a word.
assert (
tokenize("Anything is possible at zombo.com", 'en')
== ['anything', 'is', 'possible', 'at', 'zombo.com']
)
# Splits occur after symbols, and at splitting punctuation such as hyphens.
assert tokenize('😂test', 'en') == ['😂', 'test']
assert tokenize("flip-flop", 'en') == ['flip', 'flop']
assert (
tokenize('this text has... punctuation :)', 'en', include_punctuation=True)
== ['this', 'text', 'has', '...', 'punctuation', ':)']
)
# Multi-codepoint emoji sequences such as 'medium-skinned woman with headscarf'
# and 'David Bowie' stay together, because our Unicode segmentation algorithm
# is up to date
assert tokenize('emoji test 🧕🏽', 'en') == ['emoji', 'test', '🧕🏽']
assert (
tokenize("👨🎤 Planet Earth is blue, and there's nothing I can do 🌎🚀", 'en')
== ['👨🎤', 'planet', 'earth', 'is', 'blue', 'and', "there's",
'nothing', 'i', 'can', 'do', '🌎', '🚀']
)
# Water wave, surfer, flag of California (indicates ridiculously complete support
# for Unicode 10 and Emoji 5.0)
assert tokenize("Surf's up 🌊🏄🏴'",'en') == ["surf's", "up", "🌊", "🏄", "🏴"]
def test_other_languages():
# Test that we leave Thai letters stuck together. If we had better Thai support,
# we would actually split this into a three-word phrase.
assert tokenize('การเล่นดนตรี', 'th') == ['การเล่นดนตรี']
assert tokenize('"การเล่นดนตรี" means "playing music"', 'en') == ['การเล่นดนตรี', 'means', 'playing', 'music']
# Test Khmer, a script similar to Thai
assert tokenize('សូមស្វាគមន៍', 'km') == ['សូមស្វាគមន៍']
# Test Hindi -- tokens split where there are spaces, and not where there aren't
assert tokenize('हिन्दी विक्षनरी', 'hi') == ['हिन्दी', 'विक्षनरी']
# Remove vowel points in Hebrew
assert tokenize('דֻּגְמָה', 'he') == ['דגמה']
# Deal with commas, cedillas, and I's in Turkish
assert tokenize('kișinin', 'tr') == ['kişinin']
assert tokenize('KİȘİNİN', 'tr') == ['kişinin']
# Deal with cedillas that should be commas-below in Romanian
assert tokenize('acelaşi', 'ro') == ['același']
assert tokenize('ACELAŞI', 'ro') == ['același']
def test_tokens():
# Let's test on some Chinese text that has unusual combinations of
# syllables, because it is about an American vice-president.
#
# (He was the Chinese Wikipedia's featured article of the day when I
# wrote this test.)
hobart = '加勒特·霍巴特' # Garret Hobart, or "jiā lè tè huò bā tè".
# He was the sixth American vice president to die in office.
fact_simplified = '他是历史上第六位在任期内去世的美国副总统。'
fact_traditional = '他是歷史上第六位在任期內去世的美國副總統。'
# His name breaks into five pieces, with the only piece staying together
# being the one that means 'Bart'. The dot is not included as a token.
assert tokenize(hobart, 'zh') == ['加', '勒', '特', '霍', '巴特']
assert tokenize(fact_simplified, 'zh') == [
# he / is / history / in / #6 / counter for people
'他', '是', '历史', '上', '第六', '位',
# during / term of office / in / die
'在', '任期', '内', '去世',
# of / U.S. / deputy / president
'的', '美国', '副', '总统'
]
# Jieba's original tokenizer knows a lot of names, it seems.
assert tokenize(hobart, 'zh', external_wordlist=True) == ['加勒特', '霍巴特']
# We get almost the same tokens from the sentence using Jieba's own
# wordlist, but it tokenizes "in history" as two words and
# "sixth person" as one.
assert tokenize(fact_simplified, 'zh', external_wordlist=True) == [
# he / is / history / in / sixth person
'他', '是', '历史', '上', '第六位',
# during / term of office / in / die
'在', '任期', '内', '去世',
# of / U.S. / deputy / president
'的', '美国', '副', '总统'
]
# Check that Traditional Chinese works at all
assert word_frequency(fact_traditional, 'zh') > 0
# You get the same token lengths if you look it up in Traditional Chinese,
# but the words are different
simp_tokens = tokenize(fact_simplified, 'zh', include_punctuation=True)
trad_tokens = tokenize(fact_traditional, 'zh', include_punctuation=True)
assert ''.join(simp_tokens) == fact_simplified
assert ''.join(trad_tokens) == fact_traditional
simp_lengths = [len(token) for token in simp_tokens]
trad_lengths = [len(token) for token in trad_tokens]
assert simp_lengths == trad_lengths
def test_other_languages():
# Test that we leave Thai letters stuck together. If we had better Thai support,
# we would actually split this into a three-word phrase.
eq_(tokenize('การเล่นดนตรี', 'th'), ['การเล่นดนตรี'])
eq_(tokenize('"การเล่นดนตรี" means "playing music"', 'en'),
['การเล่นดนตรี', 'means', 'playing', 'music'])
# Test Khmer, a script similar to Thai
eq_(tokenize('សូមស្វាគមន៍', 'km'), ['សូមស្វាគមន៍'])
# Test Hindi -- tokens split where there are spaces, and not where there aren't
eq_(tokenize('हिन्दी विक्षनरी', 'hi'), ['हिन्दी', 'विक्षनरी'])
# Remove vowel points in Hebrew
eq_(tokenize('דֻּגְמָה', 'he'), ['דגמה'])
# Deal with commas, cedillas, and I's in Turkish
eq_(tokenize('kișinin', 'tr'), ['kişinin'])
eq_(tokenize('KİȘİNİN', 'tr'), ['kişinin'])
# Deal with cedillas that should be commas-below in Romanian
eq_(tokenize('acelaşi', 'ro'), ['același'])
eq_(tokenize('ACELAŞI', 'ro'), ['același'])
import html
import sys
import wordfreq
if len(sys.argv) != 3:
print('Usage: python3 sort.py target-lang pairs.csv')
sys.exit(1)
targetLang = sys.argv[1]
pairsPath = sys.argv[2]
pairs = {}
with open(pairsPath, 'r', encoding='utf-8') as pairsFile:
reader = csv.reader(pairsFile, delimiter='\t')
for row in reader:
words = wordfreq.tokenize(html.unescape(row[0]), targetLang)
freqs = [wordfreq.zipf_frequency(word, targetLang, wordlist='combined')
for word in words]
minfreq = min(freqs)
avgfreq = sum(freqs) / float(len(freqs))
pairs[row[0]] = (minfreq, avgfreq, row[1])
pairList = list(pairs.items())
pairList.sort(reverse = True, key=lambda i: i[1])
for pair in pairList:
sys.stdout.buffer.write((pair[0] + '\t' + pair[1][2] + '\n').encode('utf-8'))
def test_ideographic_fallback():
# Try tokenizing Chinese text as English -- it should remain stuck together.
#
# More complex examples like this, involving the multiple scripts of Japanese,
# are in test_japanese.py.
assert tokenize('中国文字', 'en') == ['中国文字']
def test_alternate_codes():
# Try over-long language codes for French and Catalan
assert tokenize("qu'un", 'fra') == ['qu', 'un']
assert tokenize("qu'un", 'fre') == ['qu', 'un']
assert tokenize("M'acabo d'instal·lar.", 'cat') == ['m', 'acabo', 'd', 'instal·lar']
def test_casefolding():
assert tokenize('WEISS', 'de') == ['weiss']
assert tokenize('weiß', 'de') == ['weiss']
assert tokenize('İstanbul', 'tr') == ['istanbul']
assert tokenize('SIKISINCA', 'tr') == ['sıkısınca']