python: fixup examples

Author: Mizux

examples/python/prize_collecting_tsp.py

@@ -14,7 +14,7 @@
 """Simple prize collecting TSP problem with a max distance."""
 
 from ortools.routing import enums_pb2
-from ortools.constraint_solver import pywrapcp
+from ortools.routing import pywraprouting
 
 DISTANCE_MATRIX = [
     [0, 10938, 4542, 2835, 29441, 2171, 1611, 9208, 9528, 11111, 16120, 22606, 22127, 20627, 21246, 23387, 16697, 33609, 26184, 24772, 22644, 20655, 30492, 23296, 32979, 18141, 19248, 17129, 17192, 15645, 12658, 11210, 12094, 13175, 18162, 4968, 12308, 10084, 13026, 15056],
@@ -106,13 +106,13 @@ def main():
     all_nodes = range(num_nodes)
 
     # Create the routing index manager.
-    manager = pywrapcp.RoutingIndexManager(
+    manager = pywraprouting.RoutingIndexManager(
             num_nodes,
             num_vehicles,
             depot)
 
     # Create routing model.
-    routing = pywrapcp.RoutingModel(manager)
+    routing = pywraprouting.RoutingModel(manager)
 
     # Create and register a transit callback.
     def distance_callback(from_index, to_index):
@@ -145,7 +145,7 @@ def distance_callback(from_index, to_index):
                 VISIT_VALUES[node])
 
     # Setting first solution heuristic.
-    search_parameters = pywrapcp.DefaultRoutingSearchParameters()
+    search_parameters = pywraprouting.DefaultRoutingSearchParameters()
     search_parameters.first_solution_strategy = (
         enums_pb2.FirstSolutionStrategy.PATH_CHEAPEST_ARC)
     search_parameters.local_search_metaheuristic = (

examples/python/prize_collecting_vrp.py

@@ -14,7 +14,7 @@
 """Simple prize collecting VRP problem with a max distance."""
 
 from ortools.routing import enums_pb2
-from ortools.constraint_solver import pywrapcp
+from ortools.routing import pywraprouting
 
 DISTANCE_MATRIX = [
     [0, 10938, 4542, 2835, 29441, 2171, 1611, 9208, 9528, 11111, 16120, 22606, 22127, 20627, 21246, 23387, 16697, 33609, 26184, 24772, 22644, 20655, 30492, 23296, 32979, 18141, 19248, 17129, 17192, 15645, 12658, 11210, 12094, 13175, 18162, 4968, 12308, 10084, 13026, 15056],
@@ -112,13 +112,13 @@ def main():
     all_nodes = range(num_nodes)
 
     # Create the routing index manager.
-    manager = pywrapcp.RoutingIndexManager(
+    manager = pywraprouting.RoutingIndexManager(
             num_nodes,
             num_vehicles,
             depot)
 
     # Create routing model.
-    routing = pywrapcp.RoutingModel(manager)
+    routing = pywraprouting.RoutingModel(manager)
 
     # Create and register a transit callback.
     def distance_callback(from_index, to_index):
@@ -151,7 +151,7 @@ def distance_callback(from_index, to_index):
                 VISIT_VALUES[node])
 
     # Setting first solution heuristic.
-    search_parameters = pywrapcp.DefaultRoutingSearchParameters()
+    search_parameters = pywraprouting.DefaultRoutingSearchParameters()
     search_parameters.first_solution_strategy = (
         enums_pb2.FirstSolutionStrategy.PATH_CHEAPEST_ARC)
     search_parameters.local_search_metaheuristic = (

examples/python/random_tsp.py

@@ -27,7 +27,7 @@
 import random
 
 from ortools.routing import enums_pb2
-from ortools.constraint_solver import pywrapcp
+from ortools.routing import pywraprouting
 
 parser = argparse.ArgumentParser()
 
@@ -91,9 +91,9 @@ def main(args):
         # Second argument = 1 to build a single tour (it's a TSP).
         # Nodes are indexed from 0 to args_tsp_size - 1, by default the start of
         # the route is node 0.
-        manager = pywrapcp.RoutingIndexManager(args.tsp_size, 1, 0)
-        routing = pywrapcp.RoutingModel(manager)
-        search_parameters = pywrapcp.DefaultRoutingSearchParameters()
+        manager = pywraprouting.RoutingIndexManager(args.tsp_size, 1, 0)
+        routing = pywraprouting.RoutingModel(manager)
+        search_parameters = pywraprouting.DefaultRoutingSearchParameters()
         # Setting first solution heuristic (cheapest addition).
         search_parameters.first_solution_strategy = (
             enums_pb2.FirstSolutionStrategy.PATH_CHEAPEST_ARC)

examples/tests/issue117.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 from collections import namedtuple
-from ortools.constraint_solver import pywrapcp
+from ortools.routing import pywraprouting
 
 VEHICLE_COUNT = 30
 VEHICLE_CAPACITY = 200
@@ -14,8 +14,8 @@
 customers.append(Customer(1, 1, 2.0, 2.0))
 customer_count = len(customers)
 
-manager = pywrapcp.RoutingIndexManager(3, VEHICLE_COUNT, 0)
-routing = pywrapcp.RoutingModel(manager)
+manager = pywraprouting.RoutingIndexManager(3, VEHICLE_COUNT, 0)
+routing = pywraprouting.RoutingModel(manager)
 
 print('Demand Constraint')
 demands = []