wiki配置管理

Make sure your data directory path is correct, check permissions, and
that the data/plugin directory has an __init__.py file.
""" % {
    'path': pdir,
    'err': str(err),
}
            raise error.ConfigurationError(msg)

    def _fillDicts(self):
        """ fill config dicts

        Fills in missing dict keys of derived user config by copying
        them from this base class.
        """
        # user checkbox defaults
        for key, value in DefaultConfig.user_checkbox_defaults.items():
            if key not in self.user_checkbox_defaults:
                self.user_checkbox_defaults[key] = value

    def __getitem__(self, item):
        """ Make it possible to access a config object like a dict """
        return getattr(self, item)


class DefaultConfig(ConfigFunctionality):
    """ Configuration base class with default config values
        (added below)
    """
    # Do not add anything into this class. Functionality must
    # be added above to avoid having the methods show up in
    # the WikiConfig macro. Settings must be added below to
    # the options dictionary.


def _default_password_checker(cfg, request, username, password):
    """ Check if a password is secure enough.
        We use a built-in check to get rid of the worst passwords.

        We do NOT use cracklib / python-crack here any more because it is
        not thread-safe (we experienced segmentation faults when using it).

        If you don't want to check passwords, use password_checker = None.

        @return: None if there is no problem with the password,
                 some unicode object with an error msg, if the password is problematic.
    """
    _ = request.getText
    # in any case, do a very simple built-in check to avoid the worst passwords
    if len(password) < 6:
        return _("Password is too short.")
    if len(set(password)) < 4:
        return _("Password has not enough different characters.")

    username_lower = username.lower()
    password_lower = password.lower()
    if username in password or password in username or \
       username_lower in password_lower or password_lower in username_lower:
        return _("Password is too easy (password contains name or name contains password).")

    keyboards = (ur"`1234567890-=qwertyuiop[]\asdfghjkl;'zxcvbnm,./", # US kbd
                 ur"^1234567890叽qwertzuiop?asdfghjkl鲣#yxcvbnm,.-", # german kbd
                ) # add more keyboards!
    for kbd in keyboards:
        rev_kbd = kbd[::-1]
        if password in kbd or password in rev_kbd or \
           password_lower in kbd or password_lower in rev_kbd:
            return _("Password is too easy (keyboard sequence).")
    return None


class DefaultExpression(object):
    def __init__(self, exprstr):
        self.text = exprstr
        self.value = eval(exprstr)


#
# Options that are not prefixed automatically with their
# group name, see below (at the options dict) for more
# information on the layout of this structure.
#