class RcConf(object):

    """

    Kallithea config for API

    conf = RcConf()

    conf['key']

    """

    def __init__(self, config_location=None, autoload=True, autocreate=False,

                 config=None):

        HOME = os.getenv('HOME', os.getenv('USERPROFILE')) or ''

        HOME_CONF = os.path.abspath(os.path.join(HOME, CONFIG_NAME))

        self._conf_name = HOME_CONF if not config_location else config_location

        self._conf = {}

        if autocreate:

            self.make_config(config)

        if autoload:

            self._conf = self.load_config()

    def __getitem__(self, key):

        return self._conf[key]

        if self._conf:

            return True

        return False

    def __eq__(self, other):

        return self._conf.__eq__(other)

    def __repr__(self):

        return 'RcConf<%s>' % self._conf.__repr__()

    def make_config(self, config):

        """

        Saves given config as a JSON dump in the _conf_name location

        :param config:

        """

        update = False

        if os.path.exists(self._conf_name):

            update = True

        with open(self._conf_name, 'wb') as f:

            ext_json.dump(config, f, indent=4)

            f.write('\n')

        if update:

        return user.has_repository_group_permission_level(repo_group_name, self.required_perm)

class HasUserGroupPermissionLevelDecorator(_PermDecorator):

    """

    Checks for access permission for any of given predicates for specific

    user group. In order to fulfill the request any of predicates must be meet

    """

    def check_permissions(self, user):

        user_group_name = get_user_group_slug(request)

        return user.has_user_group_permission_level(user_group_name, self.required_perm)

#==============================================================================

# CHECK FUNCTIONS

#==============================================================================

class _PermsFunction(object):

    """Base function for other check functions with multiple permissions"""

    def __init__(self, *required_perms):

        self.required_perms = required_perms # usually very short - a list is thus fine

        """ Defend against accidentally forgetting to call the object

            and instead evaluating it directly in a boolean context,

            which could have security implications.

        """

        raise AssertionError(self.__class__.__name__ + ' is not a bool and must be called!')

    def __call__(self, *a, **b):

        raise NotImplementedError()

class HasPermissionAny(_PermsFunction):

    def __call__(self, purpose=None):

        global_permissions = request.authuser.permissions['global'] # usually very short

        ok = any(p in global_permissions for p in self.required_perms)

        log.debug('Check %s for global %s (%s): %s',

            request.authuser.username, self.required_perms, purpose, ok)

        return ok

class _PermFunction(_PermsFunction):

    """Base function for other check functions with a single permission"""

        self.parts = []

        self.body = None

        self.content_encoding = {'Content-Type': (None, {}),

                                 'Content-Disposition': (None, {}),

                                 'Content-Transfer-Encoding': (None, {})}

    def __getitem__(self, key):

        return self.headers.get(normalize_header(key), None)

    def __len__(self):

        return len(self.headers)

    def __iter__(self):

        return iter(self.headers)

    def __contains__(self, key):

        return normalize_header(key) in self.headers

    def __setitem__(self, key, value):

        self.headers[normalize_header(key)] = value

    def __delitem__(self, key):

        del self.headers[normalize_header(key)]

        return self.body is not None or len(self.headers) > 0 or len(self.parts) > 0

    def keys(self):

        """Returns the sorted keys."""

        return sorted(self.headers.keys())

    def attach_file(self, filename, data, ctype, disposition):

        """

        A file attachment is a raw attachment with a disposition that

        indicates the file name.

        """

        assert filename, "You can't attach a file without a filename."

        ctype = ctype.lower()

        part = MailBase()

        part.body = data

        part.content_encoding['Content-Type'] = (ctype, {'name': filename})

        part.content_encoding['Content-Disposition'] = (disposition,

                                                        {'filename': filename})

        self.parts.append(part)

    def attach_text(self, data, ctype):

        """

        This attaches a simpler text encoded part, which doesn't have a