snake case

snake_case.txt

import re
from django.utils.text import force_text
from django.utils.safestring import mark_safe
from django.utils.functional import allow_lazy


def snake_case(value):
    """
    Converts spaces to underscore. Removes characters that
    aren't alphanumerics, underscores, or hyphens. Converts to lowercase.
    Also strips leading and trailing whitespace.
    """
    value = force_text(value)
    value = re.sub('[^\w\s-]', '', value).strip().lower()
    return mark_safe(re.sub('[-\s]+', '_', value))
snake_case = allow_lazy(snake_case)