Source code for oioioi.base.utils.user

import re
from unicodedata import category

from django.core.exceptions import ValidationError

from oioioi.base.utils.validators import UnicodeValidator

[docs]USERNAME_REGEX = r'^[a-zA-Z0-9_]+$'

""" All characters constituting users name and surname must
    belong to one of the categories specified in
    `UNICODE_CATEGORY_LIST`. For a guide of unicode categories
    see: https://unicodebook.readthedocs.io/unicode.html
"""
[docs]UNICODE_CATEGORY_LIST = [
    'Ll',
    'Lm',
    'Lo',
    'Lt',
    'Lu',
    'Nd',
    'Pf',
    'Pd',
    'Pi',
    'Pe',
    'Pc',
    'Sc',
]


[docs]def check_unicode_text(text, allow_spaces=False):
    try:
        UnicodeValidator(
            unicode_categories=UNICODE_CATEGORY_LIST, allow_spaces=allow_spaces
        )(text)
        return True
    except ValidationError:
        return False


[docs]def has_valid_username(user):
    return (
        user is None
        or user.is_anonymous
        or re.match(USERNAME_REGEX, user.username) is not None
    )


[docs]def has_valid_name(user):
    return (
        user is None
        or user.is_anonymous
        or (
            check_unicode_text(user.first_name, allow_spaces=True)
            and check_unicode_text(user.last_name, allow_spaces=True)
        )
    )