Brightness is now a signal. Some fixes

web-greeter/bridge/Greeter.py

@@ -47,6 +47,7 @@ from . import (
     session_to_dict,
     user_to_dict,
     battery_to_dict,
+    debugLog
 )
 
 LightDMGreeter = LightDM.Greeter()
@@ -62,9 +63,9 @@ def changeBrightness(self, method: str, quantity: int):
         if child.returncode == 1:
             raise ChildProcessError("xbacklight returned 1")
     except Exception as err:
-        print("[ERROR] Brightness:", err)
+        debugLog("Brightness: {}".format(err), 4)
-    finally:
+    else:
-        self.property_changed.emit()
+        self.brightness_update.emit()
     pass
 
 def getBrightness(self):
@@ -74,7 +75,7 @@ def getBrightness(self):
         level = subprocess.run(["xbacklight", "-get"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, check=True)
         return int(level.stdout)
     except Exception as err:
-        print("[ERROR] Battery:", err)
+        debugLog("Battery: {}".format(err), 4)
         return -1
 
 def updateBattery(self):
@@ -90,7 +91,7 @@ def updateBattery(self):
         self._battery = int(level)
         self._acpi = acpi.stdout
     except Exception as err:
-        print("[ERROR] Battery: ", err)
+        debugLog("Battery: {}".format(err), 4)
     else:
         self.property_changed.emit()
 
@@ -104,6 +105,8 @@ class Greeter(BridgeObject):
     show_message = bridge.signal(str, LightDM.MessageType, arguments=('text', 'type'))
     show_prompt = bridge.signal(str, LightDM.PromptType, arguments=('text', 'type'))
 
+    brightness_update = bridge.signal()
+
     noop_signal = bridge.signal()
     property_changed = bridge.signal()
 
@@ -149,6 +152,7 @@ class Greeter(BridgeObject):
             lambda greeter, msg, mtype: self._emit_signal(self.show_prompt, msg, mtype)
         )
 
+
     def _emit_signal(self, _signal, *args):
         self.property_changed.emit()
         QTimer().singleShot(300, lambda: _signal.emit(*args))
@@ -173,7 +177,7 @@ class Greeter(BridgeObject):
     def batteryData(self):
         return battery_to_dict(self._acpi)
 
-    @bridge.prop(int, notify=property_changed)
+    @bridge.prop(int, notify=brightness_update)
     def brightness(self):
         return getBrightness(self)
 
@@ -291,6 +295,10 @@ class Greeter(BridgeObject):
         LightDMGreeter.authenticate_as_guest()
         self.property_changed.emit()
 
+    @bridge.method()
+    def batteryUpdate(self):
+        return updateBattery(self)
+
     @bridge.method(int)
     def brightnessSet(self, quantity):
         return changeBrightness(self, "-set", quantity)
@@ -338,13 +346,11 @@ class Greeter(BridgeObject):
 
     @bridge.method(str, result=bool)
     def start_session(self, session):
-        return LightDMGreeter.start_session_sync(session)
+        if not session.strip():
+            return
+        return LightDMGreeter.start_session(session)
 
     @bridge.method(result=bool)
     def suspend(self):
         return LightDM.suspend()
 
-    @bridge.method()
-    def batteryUpdate(self):
-        return updateBattery(self)
-

web-greeter/bridge/__init__.py

@@ -27,6 +27,38 @@
 #  along with Web Greeter; If not, see <http://www.gnu.org/licenses/>.
 
 import re
+from logging import (
+    getLogger,
+    DEBUG,
+    ERROR,
+    Formatter,
+    StreamHandler,
+)
+
+log_format = ''.join([
+    '%(asctime)s [ %(levelname)s ] %(filename)s %(',
+    'lineno)d: %(message)s'
+])
+formatter = Formatter(fmt=log_format, datefmt="%Y-%m-%d %H:%M:%S")
+logger = getLogger("greeter")
+logger.propagate = False
+stream_handler = StreamHandler()
+stream_handler.setLevel(DEBUG)
+stream_handler.setFormatter(formatter)
+logger.setLevel(DEBUG)
+logger.addHandler(stream_handler)
+
+def debugLog(txt: str, level: int = 1):
+    if (level == 1):
+        logger.debug(txt)
+    elif (level == 2):
+        logger.info(txt)
+    elif (level == 3):
+        logger.warn(txt)
+    elif (level == 4):
+        logger.error(txt)
+    else:
+        logger.debug(txt)
 
 
 def language_to_dict(lang):
@@ -60,10 +92,6 @@ def user_to_dict(user):
         logged_in=user.get_logged_in(),
         session=user.get_session(),
         username=user.get_name(),
-        # ---->>> BEGIN DEPRECATED! <<<----
-        name=user.get_name(),
-        real_name=user.get_real_name(),
-        # ---->>> END DEPRECATED! <<<----
     )
 
 def battery_to_dict(batt):

web-greeter/globals.py

@@ -48,14 +48,75 @@ from bridge import (
     Greeter,
     ThemeUtils,
 )
+from logging import (
+    getLogger,
+    DEBUG,
+    ERROR,
+    Formatter,
+    StreamHandler,
+)
 
 from PyQt5.QtWidgets import QMainWindow
 from PyQt5.QtGui import QColor
+import subprocess
 
 # Typing Helpers
 BridgeObj = Type[BridgeObject]
 
 
+log_format = ''.join([
+    '%(asctime)s [ %(levelname)s ] %(module)s - %(filename)s:%(',
+    'lineno)d : %(funcName)s | %(message)s'
+])
+formatter = Formatter(fmt=log_format, datefmt="%Y-%m-%d %H:%M:%S")
+stream_handler = StreamHandler()
+logger = getLogger("debug")
+
+stream_handler.setLevel(DEBUG)
+stream_handler.setFormatter(formatter)
+logger.propagate = False
+logger.setLevel(DEBUG)
+logger.addHandler(stream_handler)
+
+def debugLog(txt: str, level: int = 1):
+    if (level == 1):
+        logger.debug(txt)
+    elif (level == 2):
+        logger.info(txt)
+    elif (level == 3):
+        logger.warn(txt)
+    elif (level == 4):
+        logger.error(txt)
+    else:
+        logger.debug(txt)
+
+initial_timeout = 0
+
+def setScreenSaver(timeout: int):
+    global initial_timeout
+    timeout = timeout if timeout >= 0 else 300
+    try:
+        child = subprocess.Popen(["xset", "q"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
+        awk = subprocess.run(["awk", "/^  timeout: / {print $2}"], stdout=subprocess.PIPE, stdin=child.stdout, text=True)
+
+        initial_timeout = int(awk.stdout.replace("\n", ""))
+
+        subprocess.run(["xset", "s", str(timeout)], check=True)
+
+    except Exception as err:
+        debugLog("Screensaver timeout couldn't be set", 4)
+    else:
+        debugLog("Screensaver timeout set")
+
+def resetScreenSaver():
+    try:
+        subprocess.run(["xset", "s", str(initial_timeout)])
+    except Exception as err:
+        debugLog("Screensaver reset failed", 4)
+    else:
+        debugLog("Screensaver reset")
+
+
 BASE_DIR = os.path.dirname(os.path.realpath(__file__))
 CONFIG_FILE = os.path.join(BASE_DIR, 'whither.yml')
 
@@ -75,6 +136,8 @@ class WebGreeter(App):
         page = self._main_window.widget.centralWidget().page()
         page.setBackgroundColor(QColor(0,0,0))
 
+        setScreenSaver(self.config.greeter["screensaver_timeout"])
+
         self._web_container.initialize_bridge_objects()
         self._web_container.load_script(':/_greeter/js/bundle.js', 'Web Greeter Bundle')
         self.load_theme()
@@ -86,6 +149,9 @@ class WebGreeter(App):
     def _before_web_container_init(self):
         self.get_and_apply_user_config()
 
+    def _before_exit(self):
+        resetScreenSaver()
+
     @classmethod
     def validate_greeter_config_data(cls, key: str, data: str) -> str:
         if "'@" not in data:

web-greeter/greeter.py

@@ -37,12 +37,6 @@ from typing import (
     List,
     Tuple,
 )
-from logging import (
-    getLogger,
-    DEBUG,
-    Formatter,
-    StreamHandler,
-)
 
 # 3rd-Party Libs
 
@@ -64,23 +58,6 @@ def loadWhitherConf():
     whither_yaml = yaml.safe_load(file_test)
     webGreeter_conf = whither_yaml["WebGreeter"]
 
-
-def debugLog(txt: str):
-    log_format = ''.join([
-        '%(asctime)s [ %(levelname)s ] %(module)s - %(filename)s:%(',
-        'lineno)d : %(funcName)s | %(message)s'
-    ])
-
-    formatter = Formatter(fmt=log_format, datefmt="%Y-%m-%d %H:%M:%S")
-    stream_handler = StreamHandler()
-    logger = getLogger()
-
-    stream_handler.setLevel(DEBUG)
-    stream_handler.setFormatter(formatter)
-    logger.setLevel(DEBUG)
-    logger.addHandler(stream_handler)
-    logger.debug(txt)
-
 def show_help():
     version = webGreeter_conf["app"]["version"]["full"]
     help_text = """Usage:
@@ -124,7 +101,7 @@ def changeTheme(theme: str):
     if theme in dirlist:
         custom_config["theme"] = theme
     else:
-        debugLog("Theme not found. Going with config theme")
+        globals.debugLog("Theme not found. Going with config theme", 4)
     return
 
 def listThemes(quiet = False):
@@ -196,7 +173,6 @@ if __name__ == '__main__':
         args.pop(0)
         yargs(args)
 
-
     globals.greeter = WebGreeter()
 
     globals.greeter.run()

web-greeter/resources/js/ThemeUtils.js

@@ -100,11 +100,11 @@ class ThemeUtils {
 	 */
 	dirlist( path, only_images = true, callback ) {
 		if ( '' === path || 'string' !== typeof path ) {
-			console.error('[ERROR] theme_utils.dirlist(): path must be a non-empty string!');
+			console.error(`theme_utils.dirlist(): path must be a non-empty string!`);
 			return callback([]);
 
 		} else if ( null !== path.match(/^[^/].+/) ) {
-			console.error('[ERROR] theme_utils.dirlist(): path must be absolute!');
+			console.error(`theme_utils.dirlist(): path must be absolute!`);
 			return callback([]);
 		}
 
@@ -116,7 +116,7 @@ class ThemeUtils {
 		try {
 			return _ThemeUtils.dirlist( path, only_images, callback );
 		} catch( err ) {
-			console.error( `[ERROR] theme_utils.dirlist(): ${err}` );
+			console.error(`theme_utils.dirlist(): ${err}`);
 			return callback([]);
 		}
 	}

web-greeter/resources/js/docs/Greeter.js

@@ -314,19 +314,19 @@ class Greeter {
 	get brightness() {}
 
 	/**
-	 * Set the brightness
+	 * Set the brightness to quantity
 	 * @arg {Number} quantity The quantity to set
 	 */
 	brightnessSet( quantity ) {}
 
 	/**
-	 * Increase the brightness
+	 * Increase the brightness by quantity
 	 * @arg {Number} quantity The quantity to increase
 	 */
 	brightnessIncrease( quantity ) {}
 
 	/**
-	 * Decrease the brightness
+	 * Decrease the brightness by quantity
 	 * @arg {Number} quantity The quantity to decrease
 	 */
 	brightnessDecrease( quantity ) {}
@@ -345,6 +345,11 @@ class Greeter {
 	 */
 	get can_access_battery() {}
 
+	/**
+	 * Updates the battery data
+	 */
+	batteryUpdate() {}
+
 	/**
 	 * Whether or not the greeter can control display brightness
 	 * @type {boolean}

web-greeter/utils/config.py

@@ -31,28 +31,56 @@ from PyQt5.QtCore import QUrl, pyqtSignal, Qt
 from PyQt5.QtWidgets import QDialogButtonBox, QDialog, QVBoxLayout, QLabel, QPushButton, QAbstractButton
 from PyQt5.QtGui import QKeyEvent
 
+from logging import (
+    getLogger,
+    DEBUG,
+    ERROR,
+    Formatter,
+    StreamHandler,
+)
+
 import globals
 
+log_format = ''.join([
+    '%(asctime)s [ %(levelname)s ] %(filename)s %(',
+    'lineno)d: %(message)s'
+])
+formatter = Formatter(fmt=log_format, datefmt="%Y-%m-%d %H:%M:%S")
+logger = getLogger("javascript")
+logger.propagate = False
+stream_handler = StreamHandler()
+stream_handler.setLevel(DEBUG)
+stream_handler.setFormatter(formatter)
+logger.setLevel(DEBUG)
+logger.addHandler(stream_handler)
+
 def javaScriptConsoleMessage(self, level: WebPage.JavaScriptConsoleMessageLevel, message: str, lineNumber: int, sourceID: str):
     if sourceID == "":
         sourceID = "console"
 
-    error = False
+    logLevel = 0
-    typeLog = ""
     if level == WebPage.JavaScriptConsoleMessageLevel.ErrorMessageLevel:
-        typeLog = "[ERROR]"
+        logLevel = 40
-        error = True
     elif level == WebPage.JavaScriptConsoleMessageLevel.WarningMessageLevel:
-        typeLog = "[WARNING]"
+        logLevel = 30
     elif level == WebPage.JavaScriptConsoleMessageLevel.InfoMessageLevel:
         return
     else:
         return
 
-    logMessage = "{typ} {source} {line}: {msg}".format(typ = typeLog, msg = message, source = sourceID, line = lineNumber)
+    record = logger.makeRecord(
-    print(logMessage)
+        name="javascript",
-
+        level=logLevel,
-    if error:
+        fn="",
+        lno=lineNumber,
+        msg=message,
+        args=(),
+        exc_info=None
+    )
+    record.filename = sourceID
+    logger.handle(record)
+
+    if logLevel == 40:
         errorMessage = "{source} {line}: {msg}".format(source = sourceID, line = lineNumber, msg = message)
         errorPrompt(errorMessage)