Python3 porting of unit dir.

unit/test_all.py

@@ -1,10 +1,13 @@
 import unittest
 
 import sys
-from utils import *
+try:
+    from unit.utils import *
+except ImportError: #for Python2
+    from utils import *
 
 sys.path.append("wrappers")
-from modelverse import *
+from wrappers.modelverse import *
 
 import threading
 
@@ -211,7 +214,7 @@ class TestModelverse(unittest.TestCase):
         transformation_add_AL({"PetriNet_Runtime": "test/PetriNet_Runtime"}, {"PetriNet_Runtime": "test/PetriNet_Runtime"}, "test/pn_simulate", open("integration/code/pn_simulate.alc").read())
         transformation_add_MT({"PetriNet_Runtime": "test/PetriNet_Runtime"}, {"PetriNet": "test/PetriNet"}, "test/pn_runtime_to_design", open("integration/code/pn_runtime_to_design.mvc").read(), add_tracability_R2D)
 
-        import log_output
+        import unit.log_output as log_output
         log = []
         ctrl = log_output.Controller(log, keep_running=False)
         thrd = threading.Thread(target=ctrl.start)
@@ -275,7 +278,7 @@ class TestModelverse(unittest.TestCase):
             attr_assign(model, p2t, "weight", 1)
             print("END MANUAL CODE")
 
-        import log_output
+        import unit.log_output as log_output
         log = []
         ctrl = log_output.Controller(log, keep_running=False)
         thrd = threading.Thread(target=ctrl.start)

unit/utils.py

@@ -6,14 +6,18 @@ import sys
 import time
 import json
 import urllib
-import urllib2
+try:
+    import urllib2
+except ImportError:
+    import urllib as urllib2
+
 import subprocess
 import signal
 import random
 
 sys.path.append("interface/HUTN")
 sys.path.append("scripts")
-from hutn_compiler.compiler import main as do_compile
+from interface.HUTN.hutn_compiler.compiler import main as do_compile
 
 taskname = "test_task"
 INIT_TIMEOUT = 30