🎉 Initial commit

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/screen_status_to_mqtt.iml" filepath="$PROJECT_DIR$/.idea/screen_status_to_mqtt.iml" />
+    </modules>
+  </component>
+</project>

.idea/screen_status_to_mqtt.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

main.py

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+import logging
+import socket
+import sys
+from time import sleep
+
+import servicemanager
+import win32event
+import win32service
+import win32serviceutil
+
+from win32_notification_receiver import Win32NotificationReceiver
+
+logPath = 'C:/Users/seb65/Documents/Gitea/screen_status_to_mqtt/'
+
+logging.basicConfig(
+    level=logging.DEBUG,
+    format="%(asctime)s [%(threadName)-12.12s] [%(levelname)-5.5s]  %(message)s",
+    handlers=[
+        logging.FileHandler(logPath + "debug.log"),
+        logging.StreamHandler()
+    ]
+)
+
+logger = logging.getLogger()
+
+
+class ScreenStatusToMqttService(win32serviceutil.ServiceFramework):
+    _svc_name_ = "ScreenStatusToMqtt"
+    _svc_display_name_ = "Screen Status To MQTT"
+    _svc_description_ = "Send your screen status to MQTT Broker"
+
+    win32_notification_receiver: Win32NotificationReceiver = None
+    running_flag = False
+
+    def __init__(self, args):
+        super().__init__(args)
+        self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)
+        socket.setdefaulttimeout(60)
+
+    def SvcStop(self):
+        logger.info("Stopping Service...")
+        self.running_flag = False
+        self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
+        win32event.SetEvent(self.hWaitStop)
+
+    def SvcDoRun(self):
+        self.running_flag = True
+        servicemanager.LogMsg(servicemanager.EVENTLOG_INFORMATION_TYPE,
+                              servicemanager.PYS_SERVICE_STARTED,
+                              (self._svc_name_, ''))
+        if self.ssh is None:
+            logger.critical("Can't be run in debug mode !")
+            sys.exit(1)
+        else:
+            self.main()
+
+    def SvcOtherEx(self, control, event_type, data):
+        if control == win32service.SERVICE_CONTROL_POWEREVENT:
+            self.win32_notification_receiver.event_handler(event_type, data)
+        else:
+            logger.warning("Unsupported control: ")
+            logger.warning(control)
+
+    def main(self):
+        self.win32_notification_receiver = Win32NotificationReceiver(self.ssh)
+        while self.running_flag:
+            sleep(1)
+
+
+if __name__ == '__main__':
+    if len(sys.argv) == 1:
+        servicemanager.Initialize()
+        servicemanager.PrepareToHostSingle(ScreenStatusToMqttService)
+        servicemanager.StartServiceCtrlDispatcher()
+    else:
+        win32serviceutil.HandleCommandLine(ScreenStatusToMqttService)

requirements.txt

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+pywin32=303
+comtypes=1.1.11
+pyinstaller=4.10

win32_notification_receiver.py

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+import threading
+
+import win32con
+import win32api
+import win32gui
+import time
+import logging
+from ctypes import POINTER, windll, Structure, cast, CFUNCTYPE, c_int, c_uint, c_void_p, c_bool
+from comtypes import GUID
+from ctypes.wintypes import HANDLE, DWORD
+
+PBT_POWERSETTINGCHANGE = 0x8013  # 32787
+GUID_CONSOLE_DISPLAY_STATE = "{6FE69556-704A-47A0-8F24-C28D936FDA47}"
+GUID_MONITOR_POWER_ON = "{02731015-4510-4526-99E6-E5A17EBD1AEA}"
+
+logger = logging.getLogger()
+
+
+class Win32NotificationReceiver():
+    running_flag = False
+
+    def __init__(self, recipient):
+        super().__init__()
+        self.recipient = recipient
+        self.__prepare_win32gui_message()
+
+    def __prepare_win32gui_message(self):
+        guids_info = {
+            "GUID_MONITOR_POWER_ON": GUID_MONITOR_POWER_ON,
+            "GUID_CONSOLE_DISPLAY_STATE": GUID_CONSOLE_DISPLAY_STATE,
+        }
+        logger.info("----")
+        for name, guid_info in guids_info.items():
+            logger.info(self.recipient)
+            result = windll.user32.RegisterPowerSettingNotification(HANDLE(self.recipient), GUID(guid_info), DWORD(1))
+            logger.info(f'registering {name}')
+            logger.info(f"result: {hex(result)}")
+            logger.info(f"lastError: {win32api.GetLastError()}")
+            logger.info("----")
+
+    def event_handler(self, event_type, raw_data):
+        if event_type == PBT_POWERSETTINGCHANGE:
+            logger.debug("Power setting changed...")
+            logger.debug("raw_data:")
+            logger.debug(raw_data)
+
+            power_setting = str(raw_data[0])
+            logger.debug("Power Setting: ")
+            logger.debug(power_setting)
+
+            data = list(raw_data[1])
+            logger.debug("Data: ")
+            logger.debug(data)
+
+            if power_setting == GUID_CONSOLE_DISPLAY_STATE:
+                if data[0] == 0:
+                    logger.debug("Display off")
+                if data[0] == 1:
+                    logger.debug("Display on")
+                if data[0] == 2:
+                    logger.debug("Display dimmed")
+            elif power_setting == GUID_MONITOR_POWER_ON:
+                if data[0] == 0:
+                    logger.debug("Monitor off")
+                if data[0] == 1:
+                    logger.debug("Monitor on")
+            else:
+                logger.warning("unknown GUID")