[server] extract creating a new cnxset in a _new_cnxset() helper
So we can move logic specific to _CnxSetPool here.
# copyright 2017 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# copyright 2014-2016 UNLISH S.A.S. (Montpellier, 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/>.
"""Contains predicates used in Pyramid views.
"""
from cubicweb._exceptions import UnknownEid
class MatchIsEIDPredicate(object):
"""A predicate that match if a given eid exist in the database.
"""
def __init__(self, matchname, config):
self.matchname = matchname
def text(self):
return 'match_is_eid = %s' % self.matchname
phash = text
def __call__(self, info, request):
try:
eid = int(info['match'][self.matchname])
except ValueError:
return False
try:
request.cw_cnx.entity_from_eid(eid)
except UnknownEid:
return False
return True
class MatchIsETypeAndEIDPredicate(object):
"""A predicate that match if a given eid exist in the database and if the
etype of the entity same as the one given in the URL
"""
def __init__(self, matchnames, config):
self.match_etype, self.match_eid = matchnames
def text(self):
return f"match_is_etype_and_eid = {self.match_etype}/{self.match_eid}"
phash = text
def __call__(self, info, request):
try:
eid = int(info['match'][self.match_eid])
except ValueError:
return False
try:
entity = request.cw_cnx.entity_from_eid(eid)
except UnknownEid:
return False
etype = info['match'][self.match_etype]
return entity.__regid__.lower() == etype.lower()
def includeme(config):
config.add_route_predicate('match_is_eid', MatchIsEIDPredicate)
config.add_route_predicate('match_is_etype_and_eid', MatchIsETypeAndEIDPredicate)