fix 'struct rna of ExportGodot removed' error if upexpected error occ…

…ured while exporting

io_scene_godot/__init__.py

@@ -206,6 +206,7 @@ def check_extension(self):
 
  def execute(self, context):
  """Begin the export"""
+ exporter_log_handler = export_godot.ExporterLogHandler(self)
  try:
  if not self.filepath:
  raise Exception("filepath not set")
@@ -218,12 +219,14 @@ def execute(self, context):
  "filter_glob",
  "xna_validate",
  ))
-
+ logging.getLogger().addHandler(exporter_log_handler)
  return export_godot.save(self, context, **keywords)
  except ValidationError as error:
  self.report({'ERROR'}, str(error))
  return {'CANCELLED'}
-
+ finally:
+ if exporter_log_handler:
+ logging.getLogger().removeHandler(exporter_log_handler)
 
 def menu_func(self, context):
  """Add to the menu"""

io_scene_godot/export_godot.py

@@ -313,8 +313,6 @@ def __exit__(self, *exc):
 
 def save(operator, context, filepath="", **kwargs):
  """Begin the export"""
- exporter_log_handler = ExporterLogHandler(operator)
- logging.getLogger().addHandler(exporter_log_handler)
 
  object_types = kwargs["object_types"]
  # GEOMETRY isn't an object type so replace it with all valid geometry based
@@ -326,6 +324,4 @@ def save(operator, context, filepath="", **kwargs):
  with GodotExporter(filepath, kwargs, operator) as exp:
  exp.export()
 
- logging.getLogger().removeHandler(exporter_log_handler)
-
  return {"FINISHED"}