https://bitbucket.org/schlamar/bottle-wiki

app_root.py

APP_ROOT = os.path.abspath(os.path.dirname(__file__))
DATABASE = "sqlite:///%s" % os.path.join(APP_ROOT, 'wiki.sqlite')

wiki_auth.py

from bottle import request, HTTPError

from modelapi import *

def check_login(username, password):
    pw_hash = sha256_uhex(password)
    usr = User.get_by(name=username.decode('utf-8'))
    if usr is None:
        return False
    return usr.password == pw_hash

def auth_required(check_func=check_login, realm='bottle-authentication'):
    """
    Decorator for basic authentication. 
    
    "check_func" has to be a callable object with two 
    arguments ("username" and "password") and has to return 
    a bool value if login was sucessful or not.
    """
    def decorator(view):
        def wrapper(*args, **kwargs):
            try:
                user, password = request.auth
            except (TypeError, AttributeError):
                # catch AttributeError because of bug in bottle
                auth = False
            else:
                auth = check_func(user, password)
            if auth:
                return view(*args, **kwargs)
            return HTTPError(401, 'Access denied!', 
                header={'WWW-Authenticate': 'Basic realm="%s"' % realm})
        return wrapper
    return decorator