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import mysql.connector
from mysql.connector import Error
import os, re
### db
def create_connection(config):
""" Establishes a connection to the database and returns the connection object. """
try:
conn = mysql.connector.connect(**config)
if conn.is_connected():
print("Successfully connected to the database")
return conn
except Error as e:
print(f"Error connecting to MySQL: {e}")
return None
def mysqli_return_number(conn, query):
cursor = conn.cursor()
cursor.execute(query)
result = cursor.fetchone()
cursor.close()
return result[0] if result else 0
### Files
def save_to_file(path, data):
with open(path, "w", encoding='utf-8', errors='ignore') as file:
file.write(data)
def get_file_content(file_path):
if os.path.exists(file_path):
with open(file_path, 'r', encoding='utf8', errors='ignore') as file:
return file.read()
else:
return ''
### clean text functions
def clean_text(text):
replacements = {
chr(8217): "'",
"`": "'",
"’": "'"
}
for orig, repl in replacements.items():
text = text.replace(orig, repl)
allowed_chars = set("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/*-+.$*ù^£–—“”—" +
"µ%¨!:;,?./§&é\"'(è_çàâ)=°ç[{#}]¤~²ôûîïäëêíáã•©®€¢¥ƒÁÂÀÅÃäÄæÇÉÊÈËÍîÎñÑÓÔóÒøØõÕö" +
"ÖœŒšŠßðÐþÞÚúûÛùÙüÜýÝÿŸαβγδεζηθικλμνξοπρστυφχψωΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ×÷" +
"±∓≠<>≤≥≈∝∞∫∑∈∉⊆⊇⊂⊃∪∩∧∨¬∀∃π×⨯⊗→←↑↓↔ ϒϖϑℵ⟩⟨⋅⊗⊄≅∗∉∅⇓⇑⇐↵ℜℑ℘⊕⊥∼∴∪∨∧∠∝" +
"∋∈∇∃∀⇔⇒∩¬∞√∑∏∂″′ªº³²¹¾½¼‰¶‡†¿§«»@")
text = ''.join(c if c in allowed_chars else ' ' for c in text)
remove = ['. .', '..', "?.", "!.", ";.", "??", "? ?", ]
for phrase in remove:
text = text.replace(phrase, phrase[0] + ' ')
text = re.sub(r' ', " ", text)
text = re.sub(r'&#(x[0-9a-fA-F]+|\d+);', ' ', text)
text = re.sub(r'&#\d+;', ' ', text)
text = re.sub(r'\s{2,}', ' ', text)
replacements = {
"À": "À",
"Â": "Â",
"Ã": "Ã",
"Ä": "Ä",
"Â": "Â",
"Ã…": "Å",
"á": "á",
"â": "â",
"ã": "ã",
"ä": "ä",
"Ã¥": "å",
"Ã’": "Ò",
"Ó": "Ó",
"Ô": "Ô",
"Õ": "Õ",
"Ö": "Ö",
"Ø": "Ø",
"ò": "ò",
"ó": "ó",
"ô": "ô",
"õ": "õ",
"ö": "ö",
"ø": "ø",
"È": "È",
"É": "É",
"Ê": "Ê",
"Ë": "Ë",
"è": "è",
"é": "é",
"ê": "ê",
"ë": "ë",
"Ç": "Ç",
"ç": "ç",
"ÃŒ": "Ì",
"ÃŽ": "Î",
"ì": "ì",
"Ã": "í",
"î": "î",
"ï": "ï",
"Ù": "Ù",
"Ú": "Ú",
"Û": "Û",
"Ü": "Ü",
"ù": "ù",
"ú": "ú",
"û": "û",
"ü": "ü",
"ÿ": "ÿ",
"Ñ": "Ñ",
"ñ": "ñ",
"Ã": "Á",
"Ã": "Í",
"Ã ": "à",
'’': '\'',
"«": "«",
'»': '»'
}
for key, value in replacements.items():
text = text.replace(key, value)
return text
def decode_unicode_escapes(s):
def decode_match(match):
return bytes(match.group(0), "utf-8").decode("unicode_escape")
return re.sub(r'(\\u[0-9a-fA-F]{4})', decode_match, s)
def decode_content(content_bytes):
for encoding in ['utf-8-sig', 'mac_roman', 'ascii', 'windows-1254', 'windows-1252']:
try:
return content_bytes.decode(encoding)
except UnicodeDecodeError:
continue
return None
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