File size: 1,443 Bytes
18d3065 de1bf20 18d3065 8549fd4 de1bf20 18d3065 de1bf20 18d3065 8549fd4 de1bf20 18d3065 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 |
import re, io
# Character normalization
normalize_chars = {}
alphabets = io.open('utils/latin-alphabets.txt', mode='r', encoding='utf-8').read().strip().split('\n')
for alphabet in alphabets[1:]:
for ind, char in enumerate(alphabet):
try:
normalize_chars[char] = alphabets[0][ind]
except IndexError:
print(alphabet, len(alphabet))
break
normalize_chars.update({
i:i for i in 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
})
normal_map = str.maketrans(normalize_chars)
del normalize_chars
# Regex patterns
r_space_cleaner = re.compile(r'\s+')
r_space_normalizer = re.compile(r'[\U00003000\U0000205F\U0000202F\U0000200A\U00002000-\U00002009\U00001680\U000000A0\t]+| {2,}')
r_newline_cleaner = re.compile(r'\n+')
r_single_apostrophe_normalizer = re.compile(r'[’]')
r_double_apostrophe_normalizer = re.compile(r'[“”]')
r_strange_apostrophe_normalizer = re.compile(r'[『』]')
r_url_cleaner = re.compile(r'^https?:\/\/.*[\r\n]*')
def clean(text):
text = text.translate(normal_map)
text = r_space_cleaner.sub(' ', text)
#text = r_space_normalizer.sub(' ', text)
text = r_newline_cleaner.sub(' ', text)
text = r_single_apostrophe_normalizer.sub('\'', text)
text = r_double_apostrophe_normalizer.sub('\"', text)
text = r_strange_apostrophe_normalizer.sub('\"', text)
text = r_url_cleaner.sub('[File URL attached]', text)
return text
|