# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# CubicWeb is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

"""some constants and classes to define schema permissions"""

from cubicweb.schema import RO_REL_PERMS, RO_ATTR_PERMS, \

     PUB_SYSTEM_ENTITY_PERMS, PUB_SYSTEM_REL_PERMS, \

     ERQLExpression, RRQLExpression

# permissions for "meta" entity type (readable by anyone, can only be

# added/deleted by managers)

META_ETYPE_PERMS = PUB_SYSTEM_ENTITY_PERMS # XXX deprecates

# permissions for "meta" relation type (readable by anyone, can only be

# added/deleted by managers)

META_RTYPE_PERMS = PUB_SYSTEM_REL_PERMS # XXX deprecates

# permissions for relation type that should only set by hooks using unsafe

# execute, readable by anyone

HOOKS_RTYPE_PERMS = RO_REL_PERMS # XXX deprecates

from logilab.common.modutils import LazyObject

from logilab.common.deprecation import deprecated

class MyLazyObject(LazyObject):

    def _getobj(self):

        try:

            return super(MyLazyObject, self)._getobj()

        except ImportError:

            raise ImportError('In cubicweb 3.14, function %s has been moved to '

                              'cube localperms. Install it first.' % self.obj)

for name in ('xperm', 'xexpr', 'xrexpr', 'xorexpr', 'sexpr', 'restricted_sexpr',

             'restricted_oexpr', 'oexpr', 'relxperm', 'relxexpr', '_perm'):

    msg = '[3.14] import %s from cubes.localperms' % name

    globals()[name] = deprecated(msg, name=name, doc='deprecated')(MyLazyObject('cubes.localperms', name))