#376: make avnav run on python 3.12

server/handler/pluginhandler.py

@@ -24,7 +24,7 @@
 #  parts from this software (AIS decoding) are taken from the gpsd project
 #  so refer to this BSD licencse also (see ais.py) or omit ais.py 
 ###############################################################################
-import imp
+import importlib.util
 import inspect
 import json
 from typing import Dict, Any
@@ -656,9 +656,11 @@ def loadPluginFromDir(self, dir, name):
     if not os.path.exists(moduleFile):
       return None
     try:
-      rt = imp.load_source(name, moduleFile)
+      spec = importlib.util.spec_from_file_location(name, moduleFile)
+      module = importlib.util.module_from_spec(spec)
+      spec.loader.exec_module(module)
       AVNLog.info("loaded %s as %s", moduleFile, name)
-      return rt
+      return module
     except:
       AVNLog.error("unable to load %s:%s", moduleFile, traceback.format_exc())
     return None

server/test/test_decoder.py

@@ -44,14 +44,19 @@ def addData(self,path,value):
         return
     print("@@DATA@@:%s->%s"%(path,value))
 
-import os, glob, imp
+import os, glob, importlib.util
 
+def loadModule(name,path):
+  spec = importlib.util.spec_from_file_location(name, path)
+  module = importlib.util.module_from_spec(spec)
+  spec.loader.exec_module(module)
+  return module
 def loadModulesFromDir(dir,logger,prefix=''):
   modules = {}
   for path in glob.glob(os.path.join(dir, '[!_]*.py')):
     name, ext = os.path.splitext(os.path.basename(path))
     try:
-      modules[prefix+name] = imp.load_source(prefix + name, path)
+      modules[prefix+name] = loadModule(prefix + name, path)
       logger.log("loaded %s as %s",path, prefix+name)
     except:
       logger.error("unable to load %s:%s",path,traceback.format_exc())