Renamed settings folder; hyphenated event names

src/libs/settings/start_check_mixin.py

@@ -0,0 +1,63 @@
+# Python imports
+import os
+import json
+import inspect
+
+# Lib imports
+
+# Application imports
+
+
+
+
+class StartCheckMixin:
+    def is_dirty_start(self) -> bool:
+        return self._dirty_start
+
+    def clear_pid(self):
+        if not self.is_trace_debug():
+            self._clean_pid()
+
+    def do_dirty_start_check(self):
+        if self.is_trace_debug():
+            pid = os.getpid()
+            self._print_pid(pid)
+            return
+
+        if os.path.exists(self._PID_FILE):
+            with open(self._PID_FILE, "r") as f:
+                pid = f.readline().strip()
+                if pid not in ("", None):
+                    if self.is_pid_alive( int(pid) ):
+                        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 is_pid_alive(self, pid):
+        print(f"PID Found: {pid}")
+
+        try:
+            os.kill(pid, 0)
+        except OSError:
+            print(f"{app_name} PID file exists but PID is irrelevant; starting dirty...")
+            self._dirty_start = True
+            return False
+
+        return True
+
+    def _write_new_pid(self):
+        pid = os.getpid()
+        self._write_pid(pid)
+        self._print_pid(pid)
+
+    def _print_pid(self, pid):
+        print(f"{app_name} PID:  {pid}")
+
+    def _clean_pid(self):
+        os.unlink(self._PID_FILE)
+
+    def _write_pid(self, pid):
+        with open(self._PID_FILE, "w") as _pid:
+            _pid.write(f"{pid}")