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

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

     3 #

     4 # This file is part of CubicWeb.

     5 #

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

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

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

     9 # any later version.

    10 #

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

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

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

    14 # details.

    15 #

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

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

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

    19 

    20 __docformat__ = "restructuredtext en"

    21 

    22 from cubicweb.schema import RO_REL_PERMS, RO_ATTR_PERMS, \

    23      PUB_SYSTEM_ENTITY_PERMS, PUB_SYSTEM_REL_PERMS, \

    24      ERQLExpression, RRQLExpression

    25 

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

    27 # added/deleted by managers)

    28 META_ETYPE_PERMS = PUB_SYSTEM_ENTITY_PERMS # XXX deprecates

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

    30 # added/deleted by managers)

    31 META_RTYPE_PERMS = PUB_SYSTEM_REL_PERMS # XXX deprecates

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

    33 # execute, readable by anyone

    34 HOOKS_RTYPE_PERMS = RO_REL_PERMS # XXX deprecates

    35 

    36 

    37 from logilab.common.modutils import LazyObject

    38 from logilab.common.deprecation import deprecated

    39 class MyLazyObject(LazyObject):

    40 

    41     def _getobj(self):

    42         try:

    43             return super(MyLazyObject, self)._getobj()

    44         except ImportError:

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

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

    47 

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

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

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

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