10 examples of 'remove stop words from string python' in Python

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73def remove_stopwords(tokens, language):
74 """
75 去除中文结束词
76 """
77 from .stopwords import stopwords
78
79 # 删除结束词
80 tokens = set(tokens) - set(stopwords)
81
82 return tokens
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53def remove_stopwords(tokens, stopwords=STOPWORDS):
54 """Remove stopwords using list from `gensim.parsing.preprocessing.STOPWORDS`.
55
56 Parameters
57 ----------
58 tokens : iterable of str
59 Sequence of tokens.
60 stopwords : iterable of str, optional
61 Sequence of stopwords
62
63 Returns
64 -------
65 list of str
66 List of tokens without `stopwords`.
67
68 """
69 return [token for token in tokens if token not in stopwords]
231def _remove_stop_words(phrase):
232 while len(phrase) > 0 and (phrase[0].is_stop
233 or str(phrase[0]).strip().lower() in Stopwords.get_words()):
234 phrase = phrase[1:]
235 while len(phrase) > 0 and (phrase[-1].is_stop
236 or str(phrase[-1]).strip().lower() in Stopwords.get_words()):
237 phrase = phrase[:-1]
238 return phrase
6def stopwords_filter(string):
7
8 text = string
9 # strip tashkeel because the stop words list contains voweled words
10 text = araby.strip_tashkeel(text)
11 word_tokenizer = WordTokenizer("arabic")
12 tokens = word_tokenizer.tokenize(text)
13
14 # filter stop words
15 no_stops = [w for w in tokens if w not in ARABIC_STOPS]
16
17 return no_stops
35@staticmethod
36def removeStopWords(words):
37 file = open("stopwords.dic")
38 stopwords = []
39 for line in file.readlines():
40 line = line.strip();
41 if len(line) > 0:
42 stopwords.append(line)
43 file.close()
44 rwords = []
45 for word in words:
46 flag = True
47 for stopword in stopwords:
48 #if word.encode('utf-8') == stopword.encode('utf-8'):
49 if word == stopword:
50 flag = False
51 break
52 if flag and len(word.strip()) > 0:
53 rwords.append(word)
54 return rwords
433def stop_words_stem(self, stop_words=None):
434 if stop_words is not None:
435 stop_words_ = stop_words
436 else:
437 stop_words_ = self.stop_words
438 return list(set([stem(word) for word in stop_words_]))
478def split_stop_keep_word_string(input_string: str) -> List[str]:
479 """Breaks stop and keepword string inputs into lists of words.
480
481 :param input_string: A string of words input by the user.
482 :return: A list of the user's string broken up into words.
483 """
484
485 input_lines = input_string.split("\n")
486
487 # A list of all words delimited by commas, spaces, and newlines
488 input_words = [word
489 for line in input_lines
490 for word in re.split('[, ]', line.strip())
491 if word != '']
492
493 return input_words
44def get_stop_words(file_path='./data/stop_words.txt'):
45 """获取停用词列表"""
46 stop_words_set = set()
47 with open(file_path, 'rb') as f:
48 for word in f:
49 if not word.startswith('//'):
50 stop_words_set.add(word.strip().decode('utf8'))
51 # 处理空字符串
52 if '' in stop_words_set:
53 stop_words_set.remove('')
54
55 return stop_words_set
30def parse_stopwords(handle):
31 """Parse a file with stopwords in it into a list of stopwords.
32
33 :param handle: an readable file handle.
34 :returns: An iterator that will yield stopwords.
35 """
36 for line in handle:
37 yield line.strip().lower()
188def stop(tokensin, unigrams, ngrams, digits=True, tuples=False):
189 new_tokens = []
190 for element in tokensin:
191 token = element[1] if tuples else element
192 ngram = token.split()
193 if any([x.isdigit() for x in ngram]) and digits:
194 continue
195 if len(ngram) == 1:
196 if ngram[0] not in unigrams:
197 new_tokens.append(element)
198 else:
199 if token not in ngrams:
200 new_tokens.append(element)
201 return new_tokens

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