Update dependency and tests

.github/workflows/test-pip.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
     - uses: actions/checkout@v5
     - name: Set up Python ${{ matrix.python-version }}

README.md

@@ -139,19 +139,18 @@ W = World(
 )
 
 # Define the scenario
-## Create nodes
+# Create nodes
 W.addNode(name="orig1", x=0, y=0)  #xy coords are for visualization 
 W.addNode(name="orig2", x=0, y=2)
 W.addNode(name="merge", x=1, y=1)
 W.addNode(name="dest", x=2, y=1)
-## Create links between nodes
-W.addLink(name="link1", start_node="orig1", end_node="merge",
-          length=1000, free_flow_speed=20, number_of_lanes=1)
-W.addLink(name="link2", start_node="orig2", end_node="merge", 
-          length=1000, free_flow_speed=20, number_of_lanes=1)
-W.addLink(name="link3", start_node="merge", end_node="dest", 
-          length=1000, free_flow_speed=20, number_of_lanes=1)
-## Create OD traffic demand between nodes
+
+# Create links between nodes
+W.addLink(name="link1", start_node="orig1", end_node="merge", length=1000, free_flow_speed=20, number_of_lanes=1)
+W.addLink(name="link2", start_node="orig2", end_node="merge", length=1000, free_flow_speed=20, number_of_lanes=1)
+W.addLink(name="link3", start_node="merge", end_node="dest", length=1000, free_flow_speed=20, number_of_lanes=1)
+
+# Create OD traffic demand between nodes
 W.adddemand(orig="orig1", dest="dest", t_start=0, t_end=1000, flow=0.45)
 W.adddemand(orig="orig2", dest="dest", t_start=400, t_end=1000, flow=0.6)
 

pyproject.toml

@@ -28,7 +28,7 @@ dependencies = [
     "scipy>=1.9.1",
     "pandas>=1.4.4",
     "PyQt5>=5.15.7",
-    "dill>=0.3.8",
+    "dill>=0.3.9",
     "networkx>=3.2.1"
 ]
 dynamic = ["version"] # Version is read from uxsim/__init__.py

tests/test_other_functions.py

@@ -6,6 +6,7 @@
 from numpy import *
 from uxsim import *
 from uxsim.Utilities import *
+import dill as pickle
 
 
 
@@ -275,6 +276,77 @@ def test_scenario_write_and_read_areas():
 
     assert df1["total_travel_time"][0] == df2["total_travel_time"][0]
 
+
+def test_world_save():
+    W = World(
+        name="pickle_test",
+        deltan=5, 
+        tmax=1200,
+        print_mode=0, save_mode=0, show_mode=1, 
+        random_seed=0
+    )
+
+    # Define the scenario
+
+    W.addNode(name="orig1", x=0, y=0)
+    W.addNode("orig2", 0, 2)
+    W.addNode("merge", 1, 1)
+    W.addNode("dest", 2, 1)
+
+    W.addLink(name="link1", start_node="orig1", end_node="merge", length=1000, free_flow_speed=20, number_of_lanes=1)
+    W.addLink("link2", "orig2", "merge", length=1000, free_flow_speed=20, number_of_lanes=1)
+    W.addLink("link3", "merge", "dest", length=1000, free_flow_speed=20, number_of_lanes=1)
+
+    W.adddemand(orig="orig1", dest="dest", t_start=0, t_end=1000, flow=0.45)
+    W.adddemand("orig2", "dest", 400, 1000, 0.6)
+
+    W.show_network()
+
+    W.save("test_pickle")
+
+    W2 = pickle.load(open("test_pickle.pkl", "rb"))
+
+    W2.exec_simulation()
+
+    W2.analyzer.print_simple_stats() #no print
+
+    W2.analyzer.network(t=500)
+
+    assert True
+
+def test_world_copy():
+
+    W = World(
+        name="pickle_test",
+        deltan=5, 
+        tmax=1200,
+        print_mode=0, save_mode=0, show_mode=1, 
+        random_seed=0
+    )
+
+    W.addNode(name="orig1", x=0, y=0)
+    W.addNode("orig2", 0, 2)
+    W.addNode("merge", 1, 1)
+    W.addNode("dest", 2, 1)
+
+    W.addLink(name="link1", start_node="orig1", end_node="merge", length=1000, free_flow_speed=20, number_of_lanes=1)
+    W.addLink("link2", "orig2", "merge", length=1000, free_flow_speed=20, number_of_lanes=1)
+    W.addLink("link3", "merge", "dest", length=1000, free_flow_speed=20, number_of_lanes=1)
+
+    W.adddemand(orig="orig1", dest="dest", t_start=0, t_end=1000, flow=0.45)
+    W.adddemand("orig2", "dest", 400, 1000, 0.6)
+
+    W.show_network()
+
+    W2 = W.copy()
+
+    W2.exec_simulation()
+
+    W2.analyzer.print_simple_stats() #no print
+
+    W2.analyzer.network(t=500)
+
+
 def test_k_shortest_path():
     W = World(
         name="",    # Scenario name