Communication entre Blender et Qt5

portail_coulissant/porcou_lib.py

@@ -106,6 +106,7 @@ def stop():
     if scene.objects['System']['twins']:
         serial_close(scene.objects['System']['board'])
         time.sleep(1)
+    scene.objects['System']['plot']=False
     thread_cmd_stop()
 
 # Fin naturelle
@@ -113,6 +114,7 @@ def end():
     if scene.objects['System']['twins']:
         serial_close(scene.objects['System']['board'])
         time.sleep(1)
+    scene.objects['System']['plot']=False
     thread_cmd_end()
 
 def fin():
@@ -125,7 +127,19 @@ def quit():
 # Visualisation des données
 ###############################################################################
 
-# Grapheur
+# Lancement du grapheur
 def plot():
-    # subprocess.run([sys.executable, os.path.join(os.getcwd(), "twin_plot.py")]) # Process bloquant
-    subprocess.Popen([sys.executable, os.path.join(os.getcwd(), "twin_plot.py")])
+    # subprocess.run([sys.executable, os.path.join(os.getcwd(), "twin_plot.py")], , stdin=subprocess.PIPE) # Process bloquant
+    scene.objects['System']['plot_proc'] = subprocess.Popen([sys.executable, os.path.join(os.getcwd(), "twin_plot.py")], stdin=subprocess.PIPE, encoding = 'utf8')
+    scene.objects['System']['plot']=True
+
+# Envoi des données (Pipe)
+def plot_maj(cont):
+    if cont.sensors['Plot'].positive :
+        time_send = str(scene.objects['System']['plot_time'])+'\n'
+        if scene.objects['System']['plot_proc'].poll()==None:
+            # scene.objects['System']['plot_proc'].communicate(input=time_send.encode())[0] # Bloquant
+            scene.objects['System']['plot_proc'].stdin.write(time_send)
+        else:
+            print ("Stop")
+            scene.objects['System']['plot']=False

twin_config.xml

@@ -1,7 +1,7 @@
 <data>
     <screen>
-	<width>1325</width>
-	<height>745</height>
+	<width>1609</width>
+	<height>905</height>
 	<quality>1</quality>
   </screen>
 </data>

twin_plot.py

@@ -1,12 +1,8 @@
-# import bge # Bibliothèque Blender Game Engine (UPBGE)
-# from twin_threading import thread_plot_start, thread_plot_end # Multithreading
 import sys
 import random
 import matplotlib
 matplotlib.use('Qt5Agg')
-
-from PyQt5 import QtCore, QtGui, QtWidgets, QtWebEngineWidgets
-
+from PyQt5 import QtCore, QtGui, QtWidgets
 from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg, NavigationToolbar2QT as NavigationToolbar
 from matplotlib.figure import Figure
 
@@ -38,7 +34,6 @@ class MplCanvas(FigureCanvasQTAgg):
         self.axes = fig.add_subplot(111)
         super(MplCanvas, self).__init__(fig)
 
-
 class MainWindow(QtWidgets.QMainWindow):
 
     # Création du graphique
@@ -65,22 +60,29 @@ class MainWindow(QtWidgets.QMainWindow):
 
         # Données
         # donnees = ([0,1,2,3,4], [10,1,20,3,40])
-        print (self.xdata[len(self.xdata)-1]+1)
+        # print (self.xdata[len(self.xdata)-1]+1)
         new_x=self.xdata[len(self.xdata)-1]+1
         self.xdata.append(new_x)
         self.ydata.append(random.randint(0, 10))
-        # self.ydata = self.ydata + [random.randint(0, 10)]
 
+        # Lecture du Pipe
+        for line in sys.stdin: 
+            print('Output:', line.rstrip())
+            break
+
+        # self.ydata = self.ydata + [random.randint(0, 10)]
         # Drop off the first y element, append a new one.
         # self.ydata = self.ydata[1:] + [random.randint(0, 10)]
-        self.canvas.axes.cla()  # Clear the canvas.
+
+        # Redraw
+        self.canvas.axes.cla()  
         self.canvas.axes.plot(self.xdata, self.ydata, 'r')
-        # Trigger the canvas to update and redraw.
         self.canvas.draw()
 
 ###############################################################################
 # Application
 ###############################################################################
+
 app = QtWidgets.QApplication(sys.argv)
 w = MainWindow()
 app.exec_()