Scape functions for latex, compatible only with python 3+

scape_functions.py

import re
import unicodedata


def escape_text(s):
    # Convert from python escape text to latex format.
    """^*¨ÑLIOPL:_:(/&%&()=(/&WQ·W$ERTY +´^*Ñ´plqj"""
    # This block is omited
    s = s.replace("·", "")
    s = s.replace("¨", "")
    s = s.replace("$", "")

    s = s.replace("\"", "``")
    s = s.replace("<", "\\textless ")
    s = s.replace(">", "\\textgreater ")
    s = s.replace("&", "\\& ")
    s = s.replace("%", "\\% ")
    s = s.replace("#", "\\# ")
    s = s.replace("\n", "\\" + "\\ ")
    s = s.replace("_", "\\textunderscore ")
    s = s.replace("{", "\\{ ")
    s = s.replace("}", "\\} ")
    s = s.replace("^", "\\^{} ")
    s = s.replace("\'", "\\textsc{\\char13} ")
    s = s.replace("´", "\\textsc{\\char13} ")
    s = s.replace("°", " (grados)")
    s = s.replace("º", " (grados)")

    s = s.strip()
    # If no length, return something useful
    if len(s) == 0:
        s = "NA"
    return s
  
  
 def clean_text(text):
    """ Method to clean characters """
    text = text.replace("\r", "")
    text = text.replace("\t", "")
    text = unicodedata.normalize('NFKD', text).encode('ascii', 'ignore')
    # Allowed characters for RegEx function:
    # Lower/Mayus characters (a-z) (A-Z) [ascii encoding]
    # Numbers (0-9)
    # Special (.) (/) (() ()) (-) (=) (@)
    # Blank space
    decoded_text = text.decode()
    regex = re.compile(r'[A-Za-z0-9. ^/\-\(\)\=@#&%\+\n]', re.IGNORECASE)
    text = ''.join(char for char in decoded_text if regex.match(char))  # noqa: W605
    text = text.strip()
    # Add a post space in order to avoid latex errors ie '\\ string'
    text = text.replace("#", "\\# ")
    text = text.replace("&", "\\& ")
    text = text.replace("%", "\\% ")
    text = text.replace("^", "\\^{} ")
    text = text.replace("\n", "\\" + "\\ ")
    return text if len(text) != 0 else "N/A"