Can get log of current app under /apps/log

main.py

@@ -84,6 +84,23 @@ class WatchDog(threading.Thread):
             time.sleep(1)
 
 
+class LogReader(threading.Thread):
+    def __init__(self, runner):
+        super().__init__()
+        self.runner = runner
+        self.log = ""
+    def clear(self):
+        self.log = ""
+
+    def run(self):
+        while running:
+            try:
+                self.log += runner.app.stderr.read(1).decode("utf-8")
+            except Exception as e:
+                time.sleep(0.1) 
+                pass
+
+
 class AppRunner(threading.Thread):
     def __init__(self):
         super().__init__()
@@ -97,6 +114,8 @@ class AppRunner(threading.Thread):
         self.last_update = time.time()
         self.watchdog = WatchDog(lambda: self.appTimedOut(), lambda: self.terminateApp())
         self.watchdog.start()
+        self.logreader = LogReader(self)
+        self.logreader.start()
         if config.UseGui:
             self.gui = Gui()
             self.gui.start()
@@ -110,8 +129,10 @@ class AppRunner(threading.Thread):
         if self.app != None:
             # don't ask
             self.app.terminate()
+        if self.app != None:
             self.app.kill()
             self.app.stdout.close()
+            self.app.stderr.close()
             self.last_update = time.time()
         self.requestApp = 0
 
@@ -121,8 +142,10 @@ class AppRunner(threading.Thread):
     def updateApp(self):
         if self.app != None:
             self.app.terminate()
+            self.app.stderr.close()
         args = [os.getcwd()+"/"+config.Apps[self.requestedApp]["cmd"], str(config.ScreenX), str(config.ScreenY), self.param]
-        self.app = subprocess.Popen(args, stdout=subprocess.PIPE, close_fds=True)
+        self.app = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True)
+        self.logreader.clear()
 
     def run(self):
         while running:
@@ -145,8 +168,11 @@ class AppRunner(threading.Thread):
                 pass
         self.watchdog.join()
         self.serial.join()
+        logreader.join()
         if config.UseGui:
             self.gui.join()
+    def getLog(self):
+        return self.logreader.log
 
 runner = AppRunner()
 runner.start()
@@ -175,6 +201,9 @@ def apps_start(name, param):
             return "ok"
     return "not_found"
 
+@route("/apps/log")
+def apps_log():
+    return runner.getLog()
 
 @route("/apps/running") 
 def  apps_running():
@@ -183,5 +212,5 @@ def  apps_running():
 
 
 run(host="localhost", port=8000)
-running = False
+running = Falselog
 runner.join()