New UI Redesign in pyqt6 (#56)

* Initial commit for new UI

* Initial commit for new UI

* WIP

* Status bar updates and has an icon for online / offline

* Add log_viewer.py

* Use JSON for delete_engine_download API

* Fix class issue with Downloaders

* Move Config class to new ui

* Add engine_browser.py

* Add a close event handler to the main window

* Fix issue with engine manager not deleting engines properly

* Rearrange all the files

* Add icons and resources

* Cache system info in RenderServerProxy

* Toolbar polish

* Fix resource path in status bar

* Add config_dir to misc_helper.py

* Add try block to zeroconf setup

* Add add_job.py

* Add raw args to add_job.py

src/init.py

@@ -0,0 +1,65 @@
+''' app/init.py '''
+import logging
+import os
+import sys
+import threading
+from collections import deque
+
+from PyQt6.QtCore import QObject, pyqtSignal
+from PyQt6.QtWidgets import QApplication
+from .ui.main_window import MainWindow
+
+from src.api.api_server import start_server
+from src.utilities.config import Config
+from src.utilities.misc_helper import system_safe_path
+
+
+def run() -> int:
+    """
+    Initializes the application and runs it.
+
+    Returns:
+        int: The exit status code.
+    """
+
+    # Load Config YAML
+    config_dir = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), 'config')
+    Config.load_config(system_safe_path(os.path.join(config_dir, 'config.yaml')))
+
+    logging.basicConfig(format='%(asctime)s: %(levelname)s: %(module)s: %(message)s', datefmt='%d-%b-%y %H:%M:%S',
+                        level=Config.server_log_level.upper())
+
+    app: QApplication = QApplication(sys.argv)
+
+    # Start server in background
+    background_server = threading.Thread(target=start_server)
+    background_server.daemon = True
+    background_server.start()
+
+    # Setup logging for console ui
+    buffer_handler = BufferingHandler()
+    buffer_handler.setFormatter(logging.getLogger().handlers[0].formatter)
+    logger = logging.getLogger()
+    logger.addHandler(buffer_handler)
+
+    window: MainWindow = MainWindow()
+    window.buffer_handler = buffer_handler
+    window.show()
+    return sys.exit(app.exec())
+
+
+class BufferingHandler(logging.Handler, QObject):
+    new_record = pyqtSignal(str)
+
+    def __init__(self, capacity=100):
+        logging.Handler.__init__(self)
+        QObject.__init__(self)
+        self.buffer = deque(maxlen=capacity)  # Define a buffer with a fixed capacity
+
+    def emit(self, record):
+        msg = self.format(record)
+        self.buffer.append(msg)  # Add message to the buffer
+        self.new_record.emit(msg)  # Emit signal
+
+    def get_buffer(self):
+        return list(self.buffer)  # Return a copy of the buffer