# coding=UTF-8
import unidecode
import re


def slugify(text):
    """Converts a string to a human-readable url"""

    # translate
    text = unidecode.unidecode(text)

    # lowercase
    text = text.lower()

    # replace unwanted chars
    numbers = re.compile("(?<=\d),(?=\d)")
    text = numbers.sub("", text)
    unwanted_chars = re.compile(r"[^_a-z0-9/]+")
    text = unwanted_chars.sub("_", text)

    # remove redundant _
    duplicated_underscores = re.compile("_{2,}")
    text = duplicated_underscores.sub("_", text)
    text = text.strip("_")

    return text