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Running on Zero
Running on Zero
| import re | |
| import os | |
| import re | |
| import html | |
| import urllib.parse as ul | |
| from bs4 import BeautifulSoup | |
| bad_punct_regex = re.compile(r'['+'#®•©™&@·º½¾¿¡§~'+'\)'+'\('+'\]'+'\['+'\}'+'\{'+'\|'+'\\'+'\/'+'\*' + r']{1,}') | |
| def basic_clean(text): | |
| import ftfy | |
| text = ftfy.fix_text(text) | |
| text = html.unescape(html.unescape(text)) | |
| return text.strip() | |
| def text_preprocessing(text): | |
| text = clean_caption(text) | |
| text = clean_caption(text) | |
| return text | |
| def clean_caption(caption): | |
| caption = str(caption) | |
| caption = ul.unquote_plus(caption) | |
| caption = caption.strip().lower() | |
| caption = re.sub('<person>', 'person', caption) | |
| # urls: | |
| caption = re.sub( | |
| r'\b((?:https?:(?:\/{1,3}|[a-zA-Z0-9%])|[a-zA-Z0-9.\-]+[.](?:com|co|ru|net|org|edu|gov|it)[\w/-]*\b\/?(?!@)))', # noqa | |
| '', caption) # regex for urls | |
| caption = re.sub( | |
| r'\b((?:www:(?:\/{1,3}|[a-zA-Z0-9%])|[a-zA-Z0-9.\-]+[.](?:com|co|ru|net|org|edu|gov|it)[\w/-]*\b\/?(?!@)))', # noqa | |
| '', caption) # regex for urls | |
| # html: | |
| caption = BeautifulSoup(caption, features='html.parser').text | |
| # @<nickname> | |
| caption = re.sub(r'@[\w\d]+\b', '', caption) | |
| # 31C0—31EF CJK Strokes | |
| # 31F0—31FF Katakana Phonetic Extensions | |
| # 3200—32FF Enclosed CJK Letters and Months | |
| # 3300—33FF CJK Compatibility | |
| # 3400—4DBF CJK Unified Ideographs Extension A | |
| # 4DC0—4DFF Yijing Hexagram Symbols | |
| # 4E00—9FFF CJK Unified Ideographs | |
| caption = re.sub(r'[\u31c0-\u31ef]+', '', caption) | |
| caption = re.sub(r'[\u31f0-\u31ff]+', '', caption) | |
| caption = re.sub(r'[\u3200-\u32ff]+', '', caption) | |
| caption = re.sub(r'[\u3300-\u33ff]+', '', caption) | |
| caption = re.sub(r'[\u3400-\u4dbf]+', '', caption) | |
| caption = re.sub(r'[\u4dc0-\u4dff]+', '', caption) | |
| caption = re.sub(r'[\u4e00-\u9fff]+', '', caption) | |
| ####################################################### | |
| # все виды тире / all types of dash --> "-" | |
| caption = re.sub( | |
| r'[\u002D\u058A\u05BE\u1400\u1806\u2010-\u2015\u2E17\u2E1A\u2E3A\u2E3B\u2E40\u301C\u3030\u30A0\uFE31\uFE32\uFE58\uFE63\uFF0D]+', # noqa | |
| '-', caption) | |
| # кавычки к одному стандарту | |
| caption = re.sub(r'[`´«»“”¨]', '"', caption) | |
| caption = re.sub(r'[‘’]', "'", caption) | |
| # " | |
| caption = re.sub(r'"?', '', caption) | |
| # & | |
| caption = re.sub(r'&', '', caption) | |
| # ip adresses: | |
| caption = re.sub(r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}', ' ', caption) | |
| # article ids: | |
| caption = re.sub(r'\d:\d\d\s+$', '', caption) | |
| # \n | |
| caption = re.sub(r'\\n', ' ', caption) | |
| # "#123" | |
| caption = re.sub(r'#\d{1,3}\b', '', caption) | |
| # "#12345.." | |
| caption = re.sub(r'#\d{5,}\b', '', caption) | |
| # "123456.." | |
| caption = re.sub(r'\b\d{6,}\b', '', caption) | |
| # filenames: | |
| caption = re.sub(r'[\S]+\.(?:png|jpg|jpeg|bmp|webp|eps|pdf|apk|mp4)', '', caption) | |
| # | |
| caption = re.sub(r'[\"\']{2,}', r'"', caption) # """AUSVERKAUFT""" | |
| caption = re.sub(r'[\.]{2,}', r' ', caption) # """AUSVERKAUFT""" | |
| caption = re.sub(bad_punct_regex, r' ', caption) # ***AUSVERKAUFT***, #AUSVERKAUFT | |
| caption = re.sub(r'\s+\.\s+', r' ', caption) # " . " | |
| # this-is-my-cute-cat / this_is_my_cute_cat | |
| regex2 = re.compile(r'(?:\-|\_)') | |
| if len(re.findall(regex2, caption)) > 3: | |
| caption = re.sub(regex2, ' ', caption) | |
| caption = basic_clean(caption) | |
| caption = re.sub(r'\b[a-zA-Z]{1,3}\d{3,15}\b', '', caption) # jc6640 | |
| caption = re.sub(r'\b[a-zA-Z]+\d+[a-zA-Z]+\b', '', caption) # jc6640vc | |
| caption = re.sub(r'\b\d+[a-zA-Z]+\d+\b', '', caption) # 6640vc231 | |
| caption = re.sub(r'(worldwide\s+)?(free\s+)?shipping', '', caption) | |
| caption = re.sub(r'(free\s)?download(\sfree)?', '', caption) | |
| caption = re.sub(r'\bclick\b\s(?:for|on)\s\w+', '', caption) | |
| caption = re.sub(r'\b(?:png|jpg|jpeg|bmp|webp|eps|pdf|apk|mp4)(\simage[s]?)?', '', caption) | |
| caption = re.sub(r'\bpage\s+\d+\b', '', caption) | |
| caption = re.sub(r'\b\d*[a-zA-Z]+\d+[a-zA-Z]+\d+[a-zA-Z\d]*\b', r' ', caption) # j2d1a2a... | |
| caption = re.sub(r'\b\d+\.?\d*[xх×]\d+\.?\d*\b', '', caption) | |
| caption = re.sub(r'\b\s+\:\s+', r': ', caption) | |
| caption = re.sub(r'(\D[,\./])\b', r'\1 ', caption) | |
| caption = re.sub(r'\s+', ' ', caption) | |
| caption.strip() | |
| caption = re.sub(r'^[\"\']([\w\W]+)[\"\']$', r'\1', caption) | |
| caption = re.sub(r'^[\'\_,\-\:;]', r'', caption) | |
| caption = re.sub(r'[\'\_,\-\:\-\+]$', r'', caption) | |
| caption = re.sub(r'^\.\S+$', '', caption) | |
| return caption.strip() |