diff -r 058bb3dc685f -r 0b59724cb3f2 misc/cwfs/cwfs.py
--- a/misc/cwfs/cwfs.py	Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,175 +0,0 @@
-# copyright 2003-2010 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/>.
-"""
-
-"""
-class Schema :
-
-    def __init__(self, schema) :
-        self._schema = schema
-
-    def get_attrs(self, entity) :
-        return self._schema[entity][0]
-
-    def get_relations(self, entity) :
-        return self._schema[entity][1]
-
-    def get_attr_index(self, entity, attr) :
-        return list(self._schema[entity][0]).index(attr)
-
-SCHEMA = Schema({'societe': ( ('nom','ville'),
-                              [('concerne_par','affaire'),
-                               ] ),
-                 'affaire': ( ('ref',),
-                              [('concerne','societe'),
-                               ('concerne_par', 'document')
-                               ] ),
-                 'document':( ('fichier', 'annee','mois','jour','type'),
-                              [('concerne','affaire'),
-                               ] ),
-                 })
-
-
-
-DATA = { 'societe': [ ('CETIAD', 'Dijon'),
-                      ('EDF_R&D', 'Clamart'),
-                      ('Logilab', 'Paris'),
-                      ],
-         'affaire': [ ('CTIA01', 'CETIAD'),
-                      ('EDFR01', 'EDF_R&D'),
-                      ('EDFR02', 'EDF_R&D'),
-                      ],
-         'document':[ ('CTIA01-040906-PRE-1-01.pdf','2004','09','06','PRE','CTIA01'),
-                      ('EDFR01-050201-CLI-1-01.pdf','2005','02','01','CLI','EDFR01'),
-                      ('EDFR01-050322-OFR-1-01.pdf','2005','03','22','OFR','EDFR01'),
-                      ],
-         }
-
-def get_data(entity, where=[]) :
-    for value in DATA[entity] :
-        for index, val in where :
-            if value[index] != val :
-                break
-        else :
-            yield value
-
-class PathParser :
-
-    def __init__(self, schema, path) :
-        self.schema = schema
-        self.path = path
-        self._components = iter([comp for comp in self.path.split('/') if comp])
-        self._entity = None
-        self._attr = None
-        self._rel = None
-        self._restrictions = []
-
-    def parse(self) :
-        self._entity = next(self._components)
-        try:
-            self.process_entity()
-        except StopIteration :
-            pass
-
-    def process_entity(self) :
-        _next = next(self._components)
-        if _next in self.schema.get_attrs(self._entity) :
-            self._attr = _next
-            _next = next(self._components)
-            self._restrictions.append( (self._entity, self._attr, _next) )
-            self._attr = None
-            self._rel = None
-            self.process_entity()
-
-    def get_list(self) :
-        if self._rel :
-            return
-        elif self._attr :
-            where = []
-            for e,a,v in self._restrictions :
-                i = self.schema.get_attr_index(e, a)
-                where.append( (i,v) )
-            i = self.schema.get_attr_index(self._entity, self._attr)
-            for values in get_data(self._entity,where) :
-                yield values[i]+'/'
-        else :
-            attr_restrict = [a for e,a,v in self._restrictions]
-            for attr in self.schema.get_attrs(self._entity) :
-                if attr not in attr_restrict :
-                    yield attr+'/'
-            for data in DATA[self._entity]:
-                yield data[0]
-            for nom, entity in self.schema.get_relations(self._entity) :
-                yield nom+'/'
-                yield entity+'/'
-
-def ls(path) :
-    p = PathParser(SCHEMA,path)
-    p.parse()
-    return list(p.get_list())
-
-
-class SytPathParser :
-
-    def __init__(self, schema, path) :
-        self.schema = schema
-        self.path = path
-        self._components = iter([comp for comp in self.path.split('/') if comp])
-        self._e_type = None
-        self._restrictions = []
-        self._alphabet = list('ABCDEFGHIJKLMNOPQRSTUVWXYZ')
-
-    def parse(self):
-        self._var = self._alphabet.pop(0)
-        self._e_type = next(self._components)
-        e_type = self._e_type.capitalize()
-        self._restrictions.append('%s is %s' % (self._var, e_type))
-        try:
-            self.process_entity()
-        except StopIteration :
-            pass
-        return 'Any %s WHERE %s' % (self._var, ', '.join(self._restrictions))
-
-    def process_entity(self) :
-        _next = next(self._components)
-        if _next in self.schema.get_attrs(self._e_type) :
-            attr = _next
-            try:
-                _next = next(self._components)
-                self._restrictions.append('%s %s %s' % (self._var, attr, _next))
-            except StopIteration:
-                a_var = self._alphabet.pop(0)
-                self._restrictions.append('%s %s %s' % (self._var, attr, a_var) )
-                self._var = a_var
-                raise
-        elif _next in [r for r,e in self.schema.get_relations(self._e_type)]:
-            rel = _next
-            r_var = self._alphabet.pop(0)
-            self._restrictions.append('%s %s %s' % (self._var, rel, r_var))
-            self._var = r_var
-            try:
-                _next = next(self._components)
-                self._restrictions.append('%s is %s' % (r_var, _next.capitalize()))
-            except StopIteration:
-                raise
-        self.process_entity()
-
-
-def to_rql(path) :
-    p = SytPathParser(SCHEMA,path)
-    return p.parse()