def preprocess_unicode(raw_text):
raw_text = preprocess.transliterate_unicode(raw_text.lower())
raw_text = preprocess.replace_urls(raw_text, replace_with=u'')
raw_text = preprocess.replace_emails(raw_text, replace_with=u'')
raw_text = preprocess.replace_phone_numbers(raw_text, replace_with=u'')
raw_text = preprocess.replace_numbers(raw_text, replace_with=u'')
raw_text = preprocess.replace_currency_symbols(raw_text, replace_with=u'')
return raw_text
def clean_text(text):
text = text.replace('/n', ' ')).replace('.com', ' ').replace('.org', ' ').replace('.net', ' ')
text = strip_html(text)
# Remove contractions, if any:
text = preprocess_text(text, fix_unicode=True, no_accents=True, no_contractions=True, lowercase=True, no_punct=True, no_currency_symbols=True), replace_with=' ')
text = replace_urls(text, replace_with='')
text = replace_numbers(text, replace_with='')
return text
def clean_tweet(self, text):
# FIXED UNICODE
text = preprocess.fix_bad_unicode(text)
# GET TEXT ONLY FROM HTML
text = BeautifulSoup(text, features='lxml').getText()
# UN-PACK CONTRACTIONS
text = preprocess.unpack_contractions(text)
# REMOVE URL
text = preprocess.replace_urls(text)
# REMOVE EMAILS
text = preprocess.replace_emails(text)
# REMOVE PHONE NUMBERS
text = preprocess.replace_phone_numbers(text)
# REMOVE NUMBERS
text = preprocess.replace_numbers(text)
# REMOVE CURRENCY
text = preprocess.replace_currency_symbols(text)
# REMOVE ACCENTS
text = preprocess.remove_accents(text)
# CONVERT EMOJIS TO TEXT
words = text.split()
reformed = [
self.SMILEY[word] if word in self.SMILEY else word
for word in words
]
text = " ".join(reformed)
text = emoji.demojize(text)
text = text.replace(":", " ")
text = ' '.join(text.split())
# SPLIT ATTACHED WORDS
text = ' '.join(re.findall('[A-Z][^A-Z]*', text))
# SPLIT UNDERSCORE WORDS
text = text.replace('_', ' ')
# REMOVE PUNCTUATION
text = preprocess.remove_punct(text)
# Remove numbers
text = re.sub(r'\d', '', text)
# REMOVE WORDS LESS THAN 3 CHARACTERS
text = re.sub(r'\b\w{1,2}\b', '', text)
# NORMALIZE WHITESPACE
text = preprocess.normalize_whitespace(text)
return text
def clean_text(self, raw_text):
raw_text = self.strip_tags(raw_text)
raw_text = raw_text.lower()
raw_text = preprocess.remove_punct(raw_text)
raw_text = preprocess.transliterate_unicode(raw_text)
raw_text = preprocess.replace_urls(raw_text, replace_with='')
raw_text = preprocess.replace_emails(raw_text, replace_with='')
raw_text = preprocess.replace_phone_numbers(raw_text, replace_with='')
raw_text = preprocess.replace_numbers(raw_text, replace_with='')
raw_text = preprocess.replace_currency_symbols(raw_text,
replace_with='')
return raw_text
def test_replace_urls():
text = "I learned everything I know from www.stackoverflow.com and http://wikipedia.org/ and Mom."
proc_text = "I learned everything I know from *URL* and *URL* and Mom."
assert preprocess.replace_urls(text, "*URL*") == proc_text
def test_replace_urls(self):
text = "I learned everything I know from www.stackoverflow.com and http://wikipedia.org/ and Mom."
proc_text = "I learned everything I know from *URL* and *URL* and Mom."
self.assertEqual(preprocess.replace_urls(text, '*URL*'), proc_text)
def test_replace_urls(self):
text = "I learned everything I know from www.stackoverflow.com and http://wikipedia.org/ and Mom."
proc_text = "I learned everything I know from *URL* and *URL* and Mom."
self.assertEqual(preprocess.replace_urls(text, '*URL*'), proc_text)
