Logging

src/bedit_gui/controllers/log_controller.py

@@ -0,0 +1,51 @@
+from __future__ import annotations
+
+import logging
+
+from PySide6.QtCore import QObject, Signal
+
+from bedit_gui.services.application_logging import configure_logging
+from bedit_gui.views.main_window import MainWindow
+from bedit_gui.views.models import LogListModel
+
+
+class _LogEmitter(QObject):
+    message = Signal(str)
+
+
+class _QtLogHandler(logging.Handler):
+    def __init__(self, emitter: _LogEmitter) -> None:
+        super().__init__()
+        self._emitter = emitter
+
+    def emit(self, record: logging.LogRecord) -> None:
+        try:
+            self._emitter.message.emit(self.format(record))
+        except (RuntimeError, TypeError, ValueError):
+            self.handleError(record)
+
+
+class LogController(QObject):
+    """Routes standard application log records into the log list view."""
+
+    def __init__(
+        self,
+        window: MainWindow,
+        level: int | str = logging.INFO,
+    ) -> None:
+        super().__init__(window)
+
+        self.model = LogListModel()
+        self.emitter = _LogEmitter(self)
+        self.handler = _QtLogHandler(self.emitter)
+        self.handler.setFormatter(
+            logging.Formatter(
+                "%(asctime)s  %(levelname)s  %(message)s",
+                datefmt="%H:%M:%S",
+            )
+        )
+
+        self.emitter.message.connect(self.model.append)
+        self.model.rowsInserted.connect(window.ui.listView.scrollToBottom)
+        window.ui.listView.setModel(self.model)
+        configure_logging(self.handler, level)