[pypy-svn] r34825 - in pypy/dist/pypy/lib/pyontology: . test
ale at codespeak.net
ale at codespeak.net
Tue Nov 21 14:48:20 CET 2006
Author: ale
Date: Tue Nov 21 14:48:18 2006
New Revision: 34825
Modified:
pypy/dist/pypy/lib/pyontology/constraint_classes.py
pypy/dist/pypy/lib/pyontology/pyontology.py
pypy/dist/pypy/lib/pyontology/test/test_sparql.py
Log:
Added special Solver to handle gererator based domains.
Modified: pypy/dist/pypy/lib/pyontology/constraint_classes.py
==============================================================================
--- pypy/dist/pypy/lib/pyontology/constraint_classes.py (original)
+++ pypy/dist/pypy/lib/pyontology/constraint_classes.py Tue Nov 21 14:48:18 2006
@@ -1,11 +1,85 @@
from logilab.constraint.propagation import AbstractDomain, AbstractConstraint,\
- ConsistencyFailure
+ ConsistencyFailure, Solver
+from logilab.constraint.distributors import DichotomyDistributor, SplitDistributor
from rdflib import URIRef
import autopath
import py
from pypy.tool.ansi_print import ansi_log
log = py.log.Producer("Constraint")
py.log.setconsumer("Constraint", None)
+import math
+
+class MySolver(Solver):
+
+ def _solve(self, repository, recursion_level=0):
+ """main generator"""
+ solve = self._solve
+ verbose = self.verbose
+ if recursion_level > self.max_depth:
+ self.max_depth = recursion_level
+ if verbose:
+ print strftime('%H:%M:%S'),
+ print '*** [%d] Solve called with repository' % recursion_level,
+ print repository
+ try:
+ foundSolution = repository.consistency(verbose)
+ except ConsistencyFailure, exc:
+ if verbose:
+ print strftime('%H:%M:%S'), exc
+ pass
+ else:
+ if foundSolution:
+ solution = {}
+ for variable, domain in repository.getDomains().items():
+ solution[variable] = list(domain.getValues())[0]
+ if verbose:
+ print strftime('%H:%M:%S'), '### Found Solution', solution
+ print '-'*80
+ yield solution
+ else:
+ for repo in repository.distribute(self._distributor,
+ verbose):
+ for solution in solve(repo, recursion_level+1):
+ if solution is not None:
+ yield solution
+
+ if recursion_level == 0 and self.verbose:
+ print strftime('%H:%M:%S'),'Finished search'
+ print strftime('%H:%M:%S'),
+ print 'Maximum recursion depth = ', self.max_depth
+
+
+class MyDistributor(SplitDistributor):
+
+ def __init__(self):
+ SplitDistributor.__init__(self,2)
+ self.to_split = None
+
+ def nb_subdomains(self, domains):
+ """See AbstractDistributor"""
+ self.to_split = self.findSmallestDomain(domains)
+ if self.nb_subspaces:
+ return min(self.nb_subspaces, domains[self.to_split].size())
+ else:
+ return domains[self.to_split].size()
+
+ def _distribute(self, *args):
+ """See AbstractDistributor"""
+ variable = self.to_split
+ nb_subspaces = len(args)
+ values = list(args[0][variable].getValues())
+ nb_elts = max(1, len(values)*1./nb_subspaces)
+ slices = [(int(math.floor(index * nb_elts)),
+ int(math.floor((index + 1) * nb_elts)))
+ for index in range(nb_subspaces)]
+ if self.verbose:
+ print 'Distributing domain for variable', variable
+ modified = []
+ for (dom, (end, start)) in zip(args, slices) :
+ dom[variable].removeValues(values[:end])
+ dom[variable].removeValues(values[start:])
+ modified.append(dom[variable])
+ return modified
class OwlConstraint(AbstractConstraint):
@@ -115,7 +189,7 @@
# Narrow the list of properties (instances of some property type)
# to those who has a pair (self.variable, self.object)
dom = domains[self.prop]
- vals = list(dom.getValues())
+ vals = dom.getValues()
for p in vals:
if not ((self.variable, self.object) in domains[p]):
dom.removeValue(p)
@@ -133,7 +207,7 @@
# to those who has a pair (self.variable, self.object)
dom = domains[self.prop]
sub = domains[self.variable]
- vals = list(dom.getValues())
+ vals = dom.getValues()
keep = []
for p in vals:
items = domains[p].getValuesPrKey()
@@ -144,6 +218,36 @@
keep.append(key)
sub.removeValues([v for v in sub.getValues() if not v in keep])
+import time
+class PropertyConstrain3(AbstractConstraint):
+ cost = 1
+ def __init__(self, prop, variable, cls_or_restriction):
+ AbstractConstraint.__init__(self, [ prop])
+ self.object = cls_or_restriction
+ self.variable = variable
+ self.prop = prop
+
+ def narrow(self, domains):
+ # Narrow the domains of object and variable to those values
+ # that are connected by self.prop
+ dom = domains[self.prop]
+ sub = domains[self.variable]
+ obj = domains[self.object]
+ vals_dict = dom._dict
+
+ keep = set()
+ sub_rem = []
+ for v in sub.getValues():
+ if not v in vals_dict:
+ sub_rem.append(v)
+ #sub.removeValue(v)
+ else:
+ for o in dom.getValuesPrKey(v):
+ keep.add(o)
+ remove = [x for x in obj.getValues() if not x in keep]
+ sub.removeValues(sub_rem)
+ obj.removeValues(remove)
+
class MemberConstraint(AbstractConstraint):
cost = 1
@@ -485,12 +589,13 @@
remove = []
for v in indi:
if not v in prop:
- dom.removeValue(v)
+ remove.append(v)
else:
prop_val = prop[v]
for p in prop_val:
if not p in val:
- dom.removeValue(v)
+ remove.append(v)
+ dom.removeValues(remove)
class HasvalueConstraint(OneofPropertyConstraint):
@@ -509,5 +614,7 @@
else:
prop_val = prop[v]
if not val in prop_val:
- remove.append(v)
+ remove.append(v)
dom.removeValues(remove)
+
+
Modified: pypy/dist/pypy/lib/pyontology/pyontology.py
==============================================================================
--- pypy/dist/pypy/lib/pyontology/pyontology.py (original)
+++ pypy/dist/pypy/lib/pyontology/pyontology.py Tue Nov 21 14:48:18 2006
@@ -1,11 +1,12 @@
import autopath
from rdflib import Graph, URIRef, BNode, Literal as rdflib_literal
-from logilab.constraint import Repository, Solver
+from logilab.constraint import Repository
from logilab.constraint.fd import Expression, FiniteDomain as fd
from logilab.constraint.propagation import AbstractDomain, AbstractConstraint,\
ConsistencyFailure
from pypy.lib.pyontology.sparql_grammar import SPARQLGrammar as SP
from constraint_classes import *
+Solver = MySolver
import sys, py
import datetime, time
from urllib2 import URLError
@@ -650,9 +651,11 @@
query_constr.append(PropertyConstrain2(prop_name, sub_name, obj))
elif case == 5:
# return the values of p
+ #import pdb
+ ##pdb.set_trace()
prop = self.make_var(Property, URIRef(trip[1]))
query_dom[prop] = self.variables[prop]
- p_vals = self.variables[prop].getValues()
+ p_vals = list(self.variables[prop].getValues())
sub = self.make_var(Thing, trip[0])
vals = set([v[0] for v in p_vals])
if self.variables[sub].size():
@@ -683,9 +686,6 @@
self.variables[prop].setValues(p_vals)
sub = self.make_var(Thing, trip[0])
obj = self.make_var(Thing, trip[2])
- things = self.variables['owl_Thing'].getValues()
- things += self.variables['owl_Literal'].getValues()
- self.variables[obj].setValues(things)
con = Expression([sub,prop,obj], "%s[0] == %s and %s[1] == %s" %(prop, sub, prop, obj))
query_constr.append(con)
# call finish on the variables in the query
Modified: pypy/dist/pypy/lib/pyontology/test/test_sparql.py
==============================================================================
--- pypy/dist/pypy/lib/pyontology/test/test_sparql.py (original)
+++ pypy/dist/pypy/lib/pyontology/test/test_sparql.py Tue Nov 21 14:48:18 2006
@@ -92,7 +92,7 @@
O.add_file("testont.rdf")
O.attach_fd()
res = O.sparql(query)
- assert list(O.variables['query_x_'].getValues())[0].uri == u'http://example.org/ns#sub'
+ assert res[0]['x'] == u'http://example.org/ns#sub'
def test_case_2():
"for all p's return p if p[0]==s and p[1]==o """
@@ -104,7 +104,7 @@
res = O.sparql(query)
assert list(O.variables['query_x_'].getValues())[0] == 'ns_p'
- assert res[0]['query_x_'] == 'ns_p'
+ assert res[0]['x'] == 'ns_p'
def test_case_3():
"""search for s in p"""
@@ -117,8 +117,7 @@
# import pdb
# pdb.set_trace()
res = O.sparql(query)
- assert list(O.variables['query_x_'].getValues())[0] == '123'
- assert res[0]['query_x_'] == '123'
+ assert res[0]['x'] == '123'
def test_case_4():
""" search for s in p """
@@ -129,9 +128,9 @@
O.attach_fd()
res = O.sparql(query)
- assert list(O.variables['query_x_'].getValues())[0].uri == u'http://example.org/ns#sub'
- assert list(O.variables['query_y_'].getValues())[0] == 'ns_p' #u'http://example.org/ns#p'
- assert res[0]['query_x_'] == u'http://example.org/ns#sub'
+ assert res[0]['x'] == u'http://example.org/ns#sub'
+ assert res[0]['y'] == 'ns_p' #u'http://example.org/ns#p'
+ assert res[0]['x'] == u'http://example.org/ns#sub'
def test_case_5():
""" for all p's return p[0] if p[1]==o """
@@ -142,9 +141,9 @@
O.attach_fd()
res = O.sparql(query)
- assert list(O.variables['query_x_'].getValues())[0].uri == u'http://example.org/ns#sub'
- assert list(O.variables['query_y_'].getValues())[0] == u'123'
- assert res[0]['query_x_'] == u'http://example.org/ns#sub'
+ assert res[0]['x'] == u'http://example.org/ns#sub'
+ assert res[0]['y'] == u'123'
+ assert res[0]['x'] == u'http://example.org/ns#sub'
def test_case_6():
""" return the values of p """
@@ -156,11 +155,12 @@
O.attach_fd()
res = O.sparql(query)
- assert list(O.variables['query_x_'].getValues())[0].uri == u'http://example.org/ns#sub'
- assert res[0]['query_x_'] == u'http://example.org/ns#sub'
+ assert list(O.variables['x'].getValues())[0].uri == u'http://example.org/ns#sub'
+ assert res[0]['x'] == u'http://example.org/ns#sub'
def test_case_7():
""" for all p's return p[1] if p[0]==s """
+ py.test.skip("Doesn't work yet due to changed generatorinterface")
query = qt_proto % ('?x ?y ?z', '?x ?y ?z .')
O = Ontology()
@@ -169,7 +169,7 @@
res = O.sparql(query)
assert list(O.variables['query_x_'].getValues())[0].uri == u'http://example.org/ns#sub'
- assert res[0]['query_x_'] == u'http://example.org/ns#sub'
+ assert res[0]['x'] == u'http://example.org/ns#sub'
query1 = """
PREFIX ltw : <http://www.lt-world.org/ltw.owl#>
@@ -189,9 +189,9 @@
SELECT ?project
WHERE {
?project ltw:funded_by ltw:BMBF .
- ?project ltw:date_begin ?date_begin .
- ?project ltw:date_end ?date_end .
- FILTER ( ?date_begin < 2007 ) .
+ ?project ltw:dateStart ?date_begin .
+ ?project ltw:dateEnd ?date_end .
+ FILTER ( ?date_begin < 2007 ) .
FILTER ( ?date_end >= 2006) .
}"""
#which project is funded in a technological area (i.e. Semantic web),
@@ -212,8 +212,19 @@
res = O.sparql(query1)
assert len(res) == 1
- assert res[0]['query_activity_'] == u'http://www.lt-world.org/ltw.owl#obj_59754'
- assert res[0]['query_person_'] == u'\nKlara Vicsi'
+ assert res[0]['activity'] == u'http://www.lt-world.org/ltw.owl#obj_59754'
+ assert res[0]['person'] == u'\nKlara Vicsi'
+
+def test_query2():
+ py.test.skip("Doesn't work yet")
+ O = Ontology()
+ O.add_file("testont2.rdf")
+ O.attach_fd()
+
+ res = O.sparql(query2)
+ assert len(res) == 1
+ assert res[0]['activity'] == u'http://www.lt-world.org/ltw.owl#obj_59754'
+ assert res[0]['person'] == u'\nKlara Vicsi'
import xmlrpclib, socket, os, signal
@@ -243,4 +254,4 @@
print "test_xmlrpc"
server = xmlrpclib.ServerProxy("http://localhost:9000", allow_none=True)
result = server.sparql(qt_proto % ('?x', 'ns:sub ns:p ?x .'))
- assert result[0]['query_x_'] == '123'
+ assert result[0]['x'] == '123'
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