Source code for annotations.utils

"""
General-purpose helper functions.
"""

from django.conf import settings

from itertools import chain, combinations, groupby
import re


def help_text(text):
    """
    Remove excess whitespace from a string. Intended for use in model and form
    fields when writing long help_texts.
    """
    return re.sub('(\s+)', ' ', text)


def basepath(request):
    """
    Generate the base path (domain + path) for the site.

    TODO: Do we need this anymore?

    Parameters
    ----------
    request : :class:`django.http.request.HttpRequest`

    Returns
    -------
    str
    """
    if request.is_secure():
        scheme = 'https://'
    else:
        scheme = 'http://'
    return scheme + request.get_host() + settings.SUBPATH