authorization.py

from spyne.server.django import DjangoHttpMethodContext
def _get_user_from_http_header(ctx):
    ctx_meta = ctx.transport.req.META if isinstance(ctx, DjangoHttpMethodContext) else ctx.META

    if 'HTTP_AUTHORIZATION' not in ctx_meta:
        raise MissingAuthenticationError()

    auth_header = ctx_meta['HTTP_AUTHORIZATION']
    try:
        scheme, basic_creds = auth_header.split()
    except ValueError:
        raise AuthorizationError()

    if scheme != 'Basic':
        raise MissingAuthenticationError()

    username, passwd = base64.b64decode(basic_creds).decode('utf-8').split(':')
    user = auth.authenticate(username=username, password=passwd)

    if not user:
        raise AuthenticationError(username)

    return user