AuthBase (auth.py)

requests.auth ~~~~~~~~~~~~~ This module contains the authentication handlers for Requests.

# Source: https://github.com/psf/requests | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
# Provided via justclaw.it.com; keep this notice with the code.
"""
requests.auth
~~~~~~~~~~~~~

This module contains the authentication handlers for Requests.
"""

from __future__ import annotations

import hashlib
import os
import re
import threading
import time
import warnings
from base64 import b64encode
from typing import TYPE_CHECKING, Any, Final, cast, overload

from ._internal_utils import to_native_string
from .compat import basestring, str, urlparse
from .cookies import extract_cookies_to_jar
from .utils import parse_dict_header

if TYPE_CHECKING:
    from http.cookiejar import CookieJar
    from typing import Any

    from .models import Prepare

... (truncated -- full source via MCP)