Results: Update to async db load for results.

src/Model/Results/Results.py

@@ -169,7 +169,7 @@ class Results(SQLSubModel):
 
             new = new_results
 
-        return new
+        yield new
 
     def _db_save(self, execute, data=None):
         if self._status.scenario.id != self._owner_scenario:

src/Model/Study.py

@@ -17,6 +17,7 @@
 # -*- coding: utf-8 -*-
 
 import os
+import types
 import shutil
 import logging
 from datetime import datetime
@@ -530,6 +531,10 @@ class Study(SQLModel):
 
     @property
     def results(self):
+        results = self._river._results
+        if isinstance(results, types.GeneratorType):
+            self._river._results = next(results)
+
         return self._river._results
 
     @results.setter

src/View/MainWindow.py

@@ -573,7 +573,7 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
 
     def setup_results(self):
         self._last_solver = None
-        self._last_results = None
+        self.last_results = None
 
         default = None
 
@@ -590,10 +590,23 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
         # Last solver note found, use default-mage if exists
         self._last_solver = default
 
+    @property
+    def last_results(self):
+        if self._study is None:
+            return None
+
+        return self._study.results
+
+    @last_results.setter
+    def last_results(self, results):
+        if self._study is None:
+            return
+
+        self._study.results = results
+
     def set_results(self, solver, results):
         self._last_solver = solver
-        self._last_results = results
-        self._study.results = results
+        self.last_results = results
 
         self.enable_actions("action_menu_results_last", True)
 
@@ -1479,9 +1492,9 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
         # If no specific results, get last results
         if results is None:
             def reading_fn():
-                self._tmp_results = self._last_results
+                self._tmp_results = self.last_results
 
-            if self._last_results is None:
+            if self.last_results is None:
                 def reading_fn():
                     self._tmp_results = solver.results(
                         self._study,
@@ -1543,9 +1556,9 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
         # If no specific results, get last results
         if results is None:
             def reading_fn():
-                self._tmp_results = self._last_results
+                self._tmp_results = self.last_results
 
-            if self._last_results is None:
+            if self.last_results is None:
                 def reading_fn():
                     self._tmp_results = solver.results(
                         self._study,
@@ -1608,15 +1621,12 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
         if self._last_solver is None:
             return
 
-        if self._study is not None and self._study.results is not None:
-            self._last_results = self._study.results
-
         if self._last_solver._type == "mage8":
             self.open_solver_results(self._last_solver,
-                                     self._last_results)
+                                     self.last_results)
         elif self._last_solver._type == "adistswc":
             self.open_solver_results_adists(self._last_solver,
-                                            self._last_results)
+                                            self.last_results)
 
     def open_results_from_file(self):
         if self._study is None: