src/app.py

@@ -28,6 +28,7 @@ class Application:
         self.setup_debug_hook()
         Window(args, unknownargs).main()
 
+
     def load_ipc(self, args, unknownargs):
         ipc_server = IPCServer()
         self.ipc_realization_check(ipc_server)

src/utils/settings_manager/start_check_mixin.py

@@ -11,7 +11,8 @@ import inspect
 
 
 class StartCheckMixin:
-    def is_dirty_start(self) -> bool: return self._dirty_start
+    def is_dirty_start(self) -> bool:
+        return self._dirty_start
 
     def clear_pid(self):
         if not self.is_trace_debug():
@@ -23,28 +24,28 @@ class StartCheckMixin:
             self._print_pid(pid)
             return
 
-        if not os.path.exists(self._PID_FILE):
+        if os.path.exists(self._PID_FILE):
-            self._write_new_pid()
+            with open(self._PID_FILE, "r") as f:
-        else:
+                pid = f.readline().strip()
-            with open(self._PID_FILE, "r") as _pid:
-                pid = _pid.readline().strip()
                 if pid not in ("", None):
-                    self._check_alive_status(int(pid))
+                    if self.is_pid_alive( int(pid) ):
-                else:
+                        print("PID file exists and PID is alive... Letting downstream errors (sans debug args) handle app closure propigation.")
+                        return
+
         self._write_new_pid()
 
     """ Check For the existence of a unix pid. """
-    def _check_alive_status(self, pid):
+    def is_pid_alive(self, pid):
         print(f"PID Found: {pid}")
+
         try:
             os.kill(pid, 0)
         except OSError:
-            print(f"{app_name} PID exists but is not up; starting dirty...")
+            print(f"{app_name} PID file exists but PID is irrelevant; starting dirty...")
             self._dirty_start = True
-            self._write_new_pid()
+            return False
-            return
 
-        print("PID is alive... Let downstream errors (sans debug args) handle app closure propigation.")
+        return True
 
     def _write_new_pid(self):
         pid = os.getpid()