Remove unused import.

Fixes #295

.envrc

@@ -1,4 +1,4 @@
-layout poetry
+layout uv
 export LINE_PROFILE=1
 export MAIL_PASSWORD="ewacyay5seu2qske"
 export MAIL_PORT=587

.gitattributes

@@ -0,0 +1 @@
+*.py diff=python

.gitignore

@@ -2,6 +2,7 @@
 *.pyc
 *.swp
 tags
+.venv/
 venv/
 Session.vim
 *.flac
@@ -13,3 +14,4 @@ StudioPlaylist.png
 tmp/
 .coverage
 profile_output*
+kae.py

.python-version

@@ -1 +1 @@
-musicmuster
+3.13

InterceptEscapeWhenEditingTableCell.py

@@ -1,78 +0,0 @@
-#!/usr/bin/env python3
-
-from PyQt6.QtCore import Qt, QEvent, QObject
-from PyQt6.QtWidgets import (
-    QAbstractItemView,
-    QApplication,
-    QMainWindow,
-    QMessageBox,
-    QPlainTextEdit,
-    QStyledItemDelegate,
-    QTableWidget,
-    QTableWidgetItem,
-)
-
-from PyQt6.QtGui import QKeyEvent
-
-from typing import cast
-
-
-class EscapeDelegate(QStyledItemDelegate):
-    def __init__(self, parent=None):
-        super().__init__(parent)
-
-    def createEditor(self, parent, option, index):
-        return QPlainTextEdit(parent)
-
-    def eventFilter(self, editor: QObject, event: QEvent):
-        """By default, QPlainTextEdit doesn't handle enter or return"""
-
-        print("EscapeDelegate event handler")
-        if event.type() == QEvent.Type.KeyPress:
-            key_event = cast(QKeyEvent, event)
-            if key_event.key() == Qt.Key.Key_Return:
-                if key_event.modifiers() == (Qt.KeyboardModifier.ControlModifier):
-                    print("save data")
-                    self.commitData.emit(editor)
-                    self.closeEditor.emit(editor)
-                    return True
-            elif key_event.key() == Qt.Key.Key_Escape:
-                discard_edits = QMessageBox.question(
-                    self.parent(), "Abandon edit", "Discard changes?"
-                )
-                if discard_edits == QMessageBox.StandardButton.Yes:
-                    print("abandon edit")
-                    self.closeEditor.emit(editor)
-                    return True
-        return False
-
-
-class MyTableWidget(QTableWidget):
-    def __init__(self, parent=None):
-        super().__init__(parent)
-        self.setItemDelegate(EscapeDelegate(self))
-        # self.setEditTriggers(QAbstractItemView.EditTrigger.DoubleClicked)
-
-
-class MainWindow(QMainWindow):
-    def __init__(self, parent=None):
-        super().__init__(parent)
-        self.table_widget = MyTableWidget(self)
-        self.table_widget.setRowCount(2)
-        self.table_widget.setColumnCount(2)
-        for row in range(2):
-            for col in range(2):
-                item = QTableWidgetItem()
-                item.setText(f"Row {row}, Col {col}")
-                self.table_widget.setItem(row, col, item)
-        self.setCentralWidget(self.table_widget)
-
-        self.table_widget.resizeColumnsToContents()
-        self.table_widget.resizeRowsToContents()
-
-
-if __name__ == "__main__":
-    app = QApplication([])
-    window = MainWindow()
-    window.show()
-    app.exec()

InterceptEscapeWhenEditingTableCellInView.py

@@ -1,94 +0,0 @@
-#!/usr/bin/env python3
-
-from PyQt6.QtCore import Qt, QEvent, QObject, QVariant, QAbstractTableModel
-from PyQt6.QtWidgets import (
-    QApplication,
-    QMainWindow,
-    QMessageBox,
-    QPlainTextEdit,
-    QStyledItemDelegate,
-    QTableView,
-)
-
-from PyQt6.QtGui import QKeyEvent
-
-from typing import cast
-
-
-class EscapeDelegate(QStyledItemDelegate):
-    def __init__(self, parent=None):
-        super().__init__(parent)
-
-    def createEditor(self, parent, option, index):
-        return QPlainTextEdit(parent)
-
-    def eventFilter(self, editor: QObject, event: QEvent):
-        """By default, QPlainTextEdit doesn't handle enter or return"""
-
-        if event.type() == QEvent.Type.KeyPress:
-            key_event = cast(QKeyEvent, event)
-            print(key_event.key())
-            if key_event.key() == Qt.Key.Key_Return:
-                if key_event.modifiers() == (Qt.KeyboardModifier.ControlModifier):
-                    print("save data")
-                    self.commitData.emit(editor)
-                    self.closeEditor.emit(editor)
-                    return True
-            elif key_event.key() == Qt.Key.Key_Escape:
-                discard_edits = QMessageBox.question(
-                    self.parent(), "Abandon edit", "Discard changes?"
-                )
-                if discard_edits == QMessageBox.StandardButton.Yes:
-                    print("abandon edit")
-                    self.closeEditor.emit(editor)
-                    return True
-        return False
-
-
-class MyTableWidget(QTableView):
-    def __init__(self, parent=None):
-        super().__init__(parent)
-        self.setItemDelegate(EscapeDelegate(self))
-        self.setModel(MyModel())
-
-
-class MyModel(QAbstractTableModel):
-    def columnCount(self, index):
-        return 2
-
-    def rowCount(self, index):
-        return 2
-
-    def data(self, index, role):
-        if not index.isValid() or not (0 <= index.row() < 2):
-            return QVariant()
-
-        row = index.row()
-        column = index.column()
-        if role == Qt.ItemDataRole.DisplayRole:
-            return QVariant(f"Row {row}, Col {column}")
-        return QVariant()
-
-    def flags(self, index):
-        return (
-            Qt.ItemFlag.ItemIsEnabled
-            | Qt.ItemFlag.ItemIsSelectable
-            | Qt.ItemFlag.ItemIsEditable
-        )
-
-
-class MainWindow(QMainWindow):
-    def __init__(self, parent=None):
-        super().__init__(parent)
-        self.table_widget = MyTableWidget(self)
-        self.setCentralWidget(self.table_widget)
-
-        self.table_widget.resizeColumnsToContents()
-        self.table_widget.resizeRowsToContents()
-
-
-if __name__ == "__main__":
-    app = QApplication([])
-    window = MainWindow()
-    window.show()
-    app.exec()

app/audacity_controller.py

@@ -69,7 +69,8 @@ class AudacityController:
         select_status = self._send_command("SelectAll")
         log.debug(f"{select_status=}")
 
-        export_cmd = f'Export2: Filename="{self.path}" NumChannels=2'
+        # Escape any double quotes in filename
+        export_cmd = f'Export2: Filename="{self.path.replace('"', '\\"')}" NumChannels=2'
         export_status = self._send_command(export_cmd)
         log.debug(f"{export_status=}")
         self.path = ""

app/classes.py

@@ -14,23 +14,16 @@ from PyQt6.QtCore import (
     pyqtSignal,
     QObject,
 )
+from PyQt6.QtWidgets import (
+    QProxyStyle,
+    QStyle,
+    QStyleOption,
+)
 
 # App imports
 
 
-class Col(Enum):
-    START_GAP = 0
-    TITLE = auto()
-    ARTIST = auto()
-    INTRO = auto()
-    DURATION = auto()
-    START_TIME = auto()
-    END_TIME = auto()
-    LAST_PLAYED = auto()
-    BITRATE = auto()
-    NOTE = auto()
-
-
+# Define singleton first as it's needed below
 def singleton(cls):
     """
     Make a class a Singleton class (see
@@ -53,11 +46,6 @@ def singleton(cls):
     return wrapper_singleton
 
 
-class FileErrors(NamedTuple):
-    path: str
-    error: str
-
-
 class ApplicationError(Exception):
     """
     Custom exception
@@ -72,16 +60,44 @@ class AudioMetadata(NamedTuple):
     fade_at: int = 0
 
 
+class Col(Enum):
+    START_GAP = 0
+    TITLE = auto()
+    ARTIST = auto()
+    INTRO = auto()
+    DURATION = auto()
+    START_TIME = auto()
+    END_TIME = auto()
+    LAST_PLAYED = auto()
+    BITRATE = auto()
+    NOTE = auto()
+
+
+class FileErrors(NamedTuple):
+    path: str
+    error: str
+
+
+@dataclass
+class Filter:
+    version: int = 1
+    path_type: str = "contains"
+    path: str = ""
+    last_played_number: int = 0
+    last_played_comparator: str = "before"
+    last_played_unit: str = "years"
+    duration_type: str = "longer than"
+    duration_number: int = 0
+    duration_unit: str = "minutes"
+
+
 @singleton
 @dataclass
 class MusicMusterSignals(QObject):
     """
     Class for all MusicMuster signals. See:
      - https://zetcode.com/gui/pyqt5/eventssignals/
-     - https://stackoverflow.com/questions/62654525/
-        emit-a-signal-from-another-class-to-main-class
-    and Singleton class at
-    https://refactoring.guru/design-patterns/singleton/python/example#example-0
+     - https://stackoverflow.com/questions/62654525/emit-a-signal-from-another-class-to-main-class
     """
 
     begin_reset_model_signal = pyqtSignal(int)
@@ -100,6 +116,32 @@ class MusicMusterSignals(QObject):
         super().__init__()
 
 
+class PlaylistStyle(QProxyStyle):
+    def drawPrimitive(self, element, option, painter, widget=None):
+        """
+        Draw a line across the entire row rather than just the column
+        we're hovering over.
+        """
+        if (
+            element == QStyle.PrimitiveElement.PE_IndicatorItemViewItemDrop
+            and not option.rect.isNull()
+        ):
+            option_new = QStyleOption(option)
+            option_new.rect.setLeft(0)
+            if widget:
+                option_new.rect.setRight(widget.width())
+            option = option_new
+        super().drawPrimitive(element, option, painter, widget)
+
+
+class QueryCol(Enum):
+    TITLE = 0
+    ARTIST = auto()
+    DURATION = auto()
+    LAST_PLAYED = auto()
+    BITRATE = auto()
+
+
 class Tags(NamedTuple):
     artist: str = ""
     title: str = ""

app/config.py

@@ -31,6 +31,7 @@ class Config(object):
     COLOUR_NORMAL_TAB = "#000000"
     COLOUR_NOTES_PLAYLIST = "#b8daff"
     COLOUR_ODD_PLAYLIST = "#f2f2f2"
+    COLOUR_QUERYLIST_SELECTED = "#d3ffd3"
     COLOUR_UNREADABLE = "#dc3545"
     COLOUR_WARNING_TIMER = "#ffc107"
     DBFS_SILENCE = -50
@@ -38,6 +39,7 @@ class Config(object):
     DISPLAY_SQL = False
     DO_NOT_IMPORT = "Do not import"
     ENGINE_OPTIONS = dict(pool_pre_ping=True)
+    # ENGINE_OPTIONS = dict(pool_pre_ping=True, echo=True)
     EPOCH = dt.datetime(1970, 1, 1)
     ERRORS_FROM = ["noreply@midnighthax.com"]
     ERRORS_TO = ["kae@midnighthax.com"]
@@ -48,6 +50,19 @@ class Config(object):
     FADEOUT_DB = -10
     FADEOUT_SECONDS = 5
     FADEOUT_STEPS_PER_SECOND = 5
+    FILTER_DURATION_LONGER = "longer than"
+    FILTER_DURATION_MINUTES = "minutes"
+    FILTER_DURATION_SECONDS = "seconds"
+    FILTER_DURATION_SHORTER = "shorter than"
+    FILTER_PATH_CONTAINS = "contains"
+    FILTER_PATH_EXCLUDING = "excluding"
+    FILTER_PLAYED_COMPARATOR_ANYTIME = "Any time"
+    FILTER_PLAYED_COMPARATOR_BEFORE = "before"
+    FILTER_PLAYED_COMPARATOR_NEVER = "never"
+    FILTER_PLAYED_DAYS = "days"
+    FILTER_PLAYED_MONTHS = "months"
+    FILTER_PLAYED_WEEKS = "weeks"
+    FILTER_PLAYED_YEARS = "years"
     FUZZYMATCH_MINIMUM_LIST = 60.0
     FUZZYMATCH_MINIMUM_SELECT_ARTIST = 80.0
     FUZZYMATCH_MINIMUM_SELECT_TITLE = 80.0
@@ -86,6 +101,7 @@ class Config(object):
     MAX_MISSING_FILES_TO_REPORT = 10
     MILLISECOND_SIGFIGS = 0
     MINIMUM_ROW_HEIGHT = 30
+    NO_QUERY_NAME = "Select query"
     NO_TEMPLATE_NAME = "None"
     NOTE_TIME_FORMAT = "%H:%M"
     OBS_HOST = "localhost"
@@ -95,6 +111,7 @@ class Config(object):
     PLAY_SETTLE = 500000
     PLAYLIST_ICON_CURRENT = ":/icons/green-circle.png"
     PLAYLIST_ICON_NEXT = ":/icons/yellow-circle.png"
+    PLAYLIST_ICON_TEMPLATE = ":/icons/redstar.png"
     PREVIEW_ADVANCE_MS = 5000
     PREVIEW_BACK_MS = 5000
     PREVIEW_END_BUFFER_MS = 1000
@@ -106,23 +123,23 @@ class Config(object):
     ROWS_FROM_ZERO = True
     SCROLL_TOP_MARGIN = 3
     SECTION_ENDINGS = ("-", "+-", "-+")
+    SECTION_HEADER = "[Section header]"
     SECTION_STARTS = ("+", "+-", "-+")
     SONGFACTS_ON_NEXT = False
     START_GAP_WARNING_THRESHOLD = 300
     SUBTOTAL_ON_ROW_ZERO = "[No subtotal on first row]"
-    TEXT_NO_TRACK_NO_NOTE = "[Section header]"
     TOD_TIME_FORMAT = "%H:%M:%S"
     TRACK_TIME_FORMAT = "%H:%M:%S"
     VLC_MAIN_PLAYER_NAME = "MusicMuster Main Player"
     VLC_PREVIEW_PLAYER_NAME = "MusicMuster Preview Player"
-    VLC_VOLUME_DEFAULT = 75
-    VLC_VOLUME_DROP3db = 65
+    VLC_VOLUME_DEFAULT = 100
+    VLC_VOLUME_DROP3db = 70
     WARNING_MS_BEFORE_FADE = 5500
     WARNING_MS_BEFORE_SILENCE = 5500
     WEB_ZOOM_FACTOR = 1.2
     WIKIPEDIA_ON_NEXT = False
 
     # These rely on earlier definitions
-    HIDE_PLAYED_MODE = HIDE_PLAYED_MODE_SECTIONS
+    HIDE_PLAYED_MODE = HIDE_PLAYED_MODE_TRACKS
     IMPORT_DESTINATION = os.path.join(ROOT, "Singles")
     REPLACE_FILES_DEFAULT_DESTINATION = os.path.dirname(REPLACE_FILES_DEFAULT_SOURCE)

app/dbmanager.py

@@ -18,7 +18,8 @@ class DatabaseManager:
     def __init__(self, database_url: str, **kwargs: dict) -> None:
         if DatabaseManager.__instance is None:
             self.db = Alchemical(database_url, **kwargs)
-            self.db.create_all()
+            # Database managed by Alembic so no create_all() required
+            # self.db.create_all()
             DatabaseManager.__instance = self
         else:
             raise Exception("Attempted to create a second DatabaseManager instance")

app/dbtables.py

@@ -1,6 +1,8 @@
 # Standard library imports
 from typing import Optional
+from dataclasses import asdict
 import datetime as dt
+import json
 
 # PyQt imports
 
@@ -13,13 +15,37 @@ from sqlalchemy import (
     String,
 )
 from sqlalchemy.ext.associationproxy import association_proxy
+from sqlalchemy.ext.hybrid import hybrid_property
+from sqlalchemy.engine.interfaces import Dialect
 from sqlalchemy.orm import (
     Mapped,
     mapped_column,
     relationship,
 )
+from sqlalchemy.types import TypeDecorator, TEXT
 
 # App imports
+from classes import Filter
+
+
+class JSONEncodedDict(TypeDecorator):
+    """
+    Custom JSON Type for MariaDB (since native JSON type is just LONGTEXT)
+    """
+
+    impl = TEXT
+
+    def process_bind_param(self, value: dict | None, dialect: Dialect) -> str | None:
+        """Convert Python dictionary to JSON string before saving."""
+        if value is None:
+            return None
+        return json.dumps(value, default=lambda o: o.__dict__)
+
+    def process_result_value(self, value: str | None, dialect: Dialect) -> dict | None:
+        """Convert JSON string back to Python dictionary after retrieval."""
+        if value is None:
+            return None
+        return json.loads(value)
 
 
 # Database classes
@@ -27,7 +53,7 @@ class NoteColoursTable(Model):
     __tablename__ = "notecolours"
 
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
-    substring: Mapped[str] = mapped_column(String(256), index=True)
+    substring: Mapped[str] = mapped_column(String(256), index=True, unique=True)
     colour: Mapped[str] = mapped_column(String(21), index=False)
     enabled: Mapped[bool] = mapped_column(default=True, index=True)
     foreground: Mapped[Optional[str]] = mapped_column(String(21), index=False)
@@ -48,7 +74,7 @@ class PlaydatesTable(Model):
 
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
     lastplayed: Mapped[dt.datetime] = mapped_column(index=True)
-    track_id: Mapped[int] = mapped_column(ForeignKey("tracks.id"))
+    track_id: Mapped[int] = mapped_column(ForeignKey("tracks.id", ondelete="CASCADE"))
     track: Mapped["TracksTable"] = relationship(
         "TracksTable",
         back_populates="playdates",
@@ -80,8 +106,8 @@ class PlaylistsTable(Model):
         cascade="all, delete-orphan",
         order_by="PlaylistRowsTable.row_number",
     )
-    query: Mapped["QueriesTable"] = relationship(
-        back_populates="playlist", cascade="all, delete-orphan"
+    favourite: Mapped[bool] = mapped_column(
+        Boolean, nullable=False, index=False, default=False
     )
 
     def __repr__(self) -> str:
@@ -104,7 +130,9 @@ class PlaylistRowsTable(Model):
     )
 
     playlist: Mapped[PlaylistsTable] = relationship(back_populates="rows")
-    track_id: Mapped[Optional[int]] = mapped_column(ForeignKey("tracks.id", ondelete="CASCADE"))
+    track_id: Mapped[Optional[int]] = mapped_column(
+        ForeignKey("tracks.id", ondelete="CASCADE")
+    )
     track: Mapped["TracksTable"] = relationship(
         "TracksTable",
         back_populates="playlistrows",
@@ -125,14 +153,25 @@ class QueriesTable(Model):
     __tablename__ = "queries"
 
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
-    query: Mapped[str] = mapped_column(
-        String(2048), index=False, default="", nullable=False
-    )
-    playlist_id: Mapped[int] = mapped_column(ForeignKey("playlists.id"), index=True)
-    playlist: Mapped[PlaylistsTable] = relationship(back_populates="query")
+    name: Mapped[str] = mapped_column(String(128), nullable=False)
+    _filter_data: Mapped[dict | None] = mapped_column("filter_data", JSONEncodedDict, nullable=False)
+    favourite: Mapped[bool] = mapped_column(Boolean, nullable=False, index=False, default=False)
+
+    def _get_filter(self) -> Filter:
+        """Convert stored JSON dictionary to a Filter object."""
+        if isinstance(self._filter_data, dict):
+            return Filter(**self._filter_data)
+        return Filter()  # Default object if None or invalid data
+
+    def _set_filter(self, value: Filter | None) -> None:
+        """Convert a Filter object to JSON before storing."""
+        self._filter_data = asdict(value) if isinstance(value, Filter) else None
+
+    # Single definition of `filter`
+    filter = property(_get_filter, _set_filter)
 
     def __repr__(self) -> str:
-        return f"<Queries(id={self.id}, playlist={self.playlist}, query={self.query}>"
+        return f"<QueriesTable(id={self.id}, name={self.name}, filter={self.filter})>"
 
 
 class SettingsTable(Model):
@@ -158,7 +197,7 @@ class TracksTable(Model):
 
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
     artist: Mapped[str] = mapped_column(String(256), index=True)
-    bitrate: Mapped[Optional[int]] = mapped_column(default=None)
+    bitrate: Mapped[int] = mapped_column(default=None)
     duration: Mapped[int] = mapped_column(index=True)
     fade_at: Mapped[int] = mapped_column(index=False)
     intro: Mapped[Optional[int]] = mapped_column(default=None)

app/file_importer.py

@@ -35,6 +35,7 @@ from classes import (
 )
 from config import Config
 from helpers import (
+    audio_file_extension,
     file_is_unreadable,
     get_tags,
     show_OK,
@@ -104,16 +105,14 @@ class FileImporter:
     # variable or an instance variable are effectively the same thing.
     workers: dict[str, DoTrackImport] = {}
 
-    def __init__(
-        self, base_model: PlaylistModel, row_number: Optional[int] = None
-    ) -> None:
+    def __init__(self, base_model: PlaylistModel, row_number: int) -> None:
         """
         Initialise the FileImporter singleton instance.
         """
 
+        log.debug(f"FileImporter.__init__({base_model=}, {row_number=})")
+
         # Create ModelData
-        if not row_number:
-            row_number = base_model.rowCount()
         self.model_data = ThreadData(base_model=base_model, row_number=row_number)
 
         # Data structure to track files to import
@@ -202,6 +201,7 @@ class FileImporter:
                     self.sort_track_match_data(tfd)
                 selection = self.get_user_choices(tfd)
                 if self.process_selection(tfd, selection):
+                    if self.extension_check(tfd):
                         if self.validate_file_data(tfd):
                             tfd.import_this_file = True
 
@@ -237,6 +237,26 @@ class FileImporter:
 
         return True
 
+    def extension_check(self, tfd: TrackFileData) -> bool:
+        """
+        If we are replacing an existing file, check that the correct file
+        extension of the replacement file matches the existing file
+        extension and return True if it does (or if there is no exsting
+        file), else False.
+        """
+
+        if not tfd.file_path_to_remove:
+            return True
+
+        if tfd.file_path_to_remove.endswith(audio_file_extension(tfd.source_path)):
+            return True
+
+        tfd.error = (
+            f"Existing file ({tfd.file_path_to_remove}) has a different "
+            f"extension to replacement file ({tfd.source_path})"
+        )
+        return False
+
     def find_similar(self, tfd: TrackFileData) -> None:
         """
         - Search title in existing tracks
@@ -445,7 +465,8 @@ class FileImporter:
         if tfd.track_id == 0 and tfd.destination_path != tfd.file_path_to_remove:
             while os.path.exists(tfd.destination_path):
                 msg = (
-                    f"New import requested but default destination path ({tfd.destination_path})"
+                    "New import requested but default destination path"
+                    f" ({tfd.destination_path})"
                     " already exists. Click OK and choose where to save this track"
                 )
                 show_OK(title="Desintation path exists", msg=msg, parent=None)
@@ -627,7 +648,8 @@ class DoTrackImport(QThread):
             f"Importing {os.path.basename(self.import_file_path)}", 5000
         )
 
-        # Get audio metadata in this thread rather than calling function to save interactive time
+        # Get audio metadata in this thread rather than calling
+        # function to save interactive time
         self.audio_metadata = helpers.get_audio_metadata(self.import_file_path)
 
         # Remove old file if so requested

app/helpers.py

@@ -10,9 +10,10 @@ import ssl
 import tempfile
 
 # PyQt imports
-from PyQt6.QtWidgets import QMainWindow, QMessageBox, QWidget
+from PyQt6.QtWidgets import QInputDialog, QMainWindow, QMessageBox, QWidget
 
 # Third party imports
+import filetype
 from mutagen.flac import FLAC  # type: ignore
 from mutagen.mp3 import MP3  # type: ignore
 from pydub import AudioSegment, effects
@@ -50,6 +51,14 @@ def ask_yes_no(
     return button == QMessageBox.StandardButton.Yes
 
 
+def audio_file_extension(fpath: str) -> str | None:
+    """
+    Return the correct extension for this type of file.
+    """
+
+    return filetype.guess(fpath).extension
+
+
 def fade_point(
     audio_segment: AudioSegment,
     fade_threshold: float = 0.0,
@@ -94,6 +103,9 @@ def file_is_unreadable(path: Optional[str]) -> bool:
 
 
 def get_audio_segment(path: str) -> Optional[AudioSegment]:
+    if not path.endswith(audio_file_extension(path)):
+        return None
+
     try:
         if path.endswith(".mp3"):
             return AudioSegment.from_mp3(path)
@@ -150,6 +162,23 @@ def get_audio_metadata(filepath: str) -> AudioMetadata:
         )
 
 
+def get_name(prompt: str, default: str = "") -> str | None:
+    """Get a name from the user"""
+
+    dlg = QInputDialog()
+    dlg.setInputMode(QInputDialog.InputMode.TextInput)
+    dlg.setLabelText(prompt)
+    while True:
+        if default:
+            dlg.setTextValue(default)
+        dlg.resize(500, 100)
+        ok = dlg.exec()
+        if ok:
+            return dlg.textValue()
+
+        return None
+
+
 def get_relative_date(
     past_date: Optional[dt.datetime], reference_date: Optional[dt.datetime] = None
 ) -> str:

app/jittermonitor.py

@@ -0,0 +1,56 @@
+from PyQt6.QtCore import QObject, QTimer, QElapsedTimer
+import logging
+import time
+
+from config import Config
+
+class EventLoopJitterMonitor(QObject):
+    def __init__(
+        self,
+        parent=None,
+        interval_ms: int = 20,
+        jitter_threshold_ms: int = 100,
+        log_cooldown_s: float = 1.0,
+    ):
+        super().__init__(parent)
+        self._interval = interval_ms
+        self._jitter_threshold = jitter_threshold_ms
+        self._log_cooldown_s = log_cooldown_s
+
+        self._timer = QTimer(self)
+        self._timer.setInterval(self._interval)
+        self._timer.timeout.connect(self._on_timeout)
+
+        self._elapsed = QElapsedTimer()
+        self._elapsed.start()
+        self._last = self._elapsed.elapsed()
+
+        # child logger: e.g. "musicmuster.jitter"
+        self._log = logging.getLogger(f"{Config.LOG_NAME}.jitter")
+        self._last_log_time = 0.0
+
+    def start(self) -> None:
+        self._timer.start()
+
+    def _on_timeout(self) -> None:
+        now_ms = self._elapsed.elapsed()
+        delta = now_ms - self._last
+        self._last = now_ms
+
+        if delta > (self._interval + self._jitter_threshold):
+            self._log_jitter(now_ms, delta)
+
+    def _log_jitter(self, now_ms: int, gap_ms: int) -> None:
+        now = time.monotonic()
+
+        # simple rate limit: only one log every log_cooldown_s
+        if now - self._last_log_time < self._log_cooldown_s:
+            return
+        self._last_log_time = now
+
+        self._log.warning(
+            "Event loop gap detected: t=%d ms, gap=%d ms (interval=%d ms)",
+            now_ms,
+            gap_ms,
+            self._interval,
+        )

app/log.py

@@ -1,21 +1,24 @@
 #!/usr/bin/env python3
 # Standard library imports
 from collections import defaultdict
+from functools import wraps
 import logging
 import logging.config
 import logging.handlers
 import os
 import sys
-from traceback import print_exception
+import traceback
 import yaml
 
 # PyQt imports
+from PyQt6.QtWidgets import QApplication, QMessageBox
 
 # Third party imports
 import stackprinter  # type: ignore
 
 # App imports
 from config import Config
+from classes import ApplicationError
 
 
 class FunctionFilter(logging.Filter):
@@ -76,26 +79,60 @@ with open("app/logging.yaml", "r") as f:
 log = logging.getLogger(Config.LOG_NAME)
 
 
-def log_uncaught_exceptions(type_, value, traceback):
+def handle_exception(exc_type, exc_value, exc_traceback):
+    error = str(exc_value)
+    if issubclass(exc_type, ApplicationError):
+        log.error(error)
+    else:
+        # Handle unexpected errors (log and display)
+        error_msg = "".join(traceback.format_exception(exc_type, exc_value, exc_traceback))
+
+        print(stackprinter.format(exc_value, suppressed_paths=['/.venv'], style='darkbg'))
+
+        msg = stackprinter.format(exc_value)
+        log.error(msg)
+        log.error(error_msg)
+        print("Critical error:", error_msg)  # Consider logging instead of print
+
+        if os.environ["MM_ENV"] == "PRODUCTION":
             from helpers import send_mail
 
-    print("\033[1;31;47m")
-    print_exception(type_, value, traceback)
-    print("\033[1;37;40m")
-    print(
-        stackprinter.format(
-            value, suppressed_paths=["/pypoetry/virtualenvs/"], style="darkbg"
-        )
-    )
-    if os.environ["MM_ENV"] == "PRODUCTION":
-        msg = stackprinter.format(value)
             send_mail(
                 Config.ERRORS_TO,
                 Config.ERRORS_FROM,
                 "Exception (log_uncaught_exceptions) from musicmuster",
                 msg,
             )
-        log.debug(msg)
+    if QApplication.instance() is not None:
+        fname = os.path.split(exc_traceback.tb_frame.f_code.co_filename)[1]
+        msg = f"ApplicationError: {error}\nat {fname}:{exc_traceback.tb_lineno}"
+        QMessageBox.critical(None, "Application Error", msg)
 
 
-sys.excepthook = log_uncaught_exceptions
+def truncate_large(obj, limit=5):
+    """Helper to truncate large lists or other iterables."""
+    if isinstance(obj, (list, tuple, set)):
+        if len(obj) > limit:
+            return f"{type(obj).__name__}(len={len(obj)}, items={list(obj)[:limit]}...)"
+
+    return repr(obj)
+
+
+def log_call(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        args_repr = [truncate_large(a) for a in args]
+        kwargs_repr = [f"{k}={truncate_large(v)}" for k, v in kwargs.items()]
+        params_repr = ", ".join(args_repr + kwargs_repr)
+        log.debug(f"call {func.__name__}({params_repr})")
+        try:
+            result = func(*args, **kwargs)
+            log.debug(f"return {func.__name__}: {truncate_large(result)}")
+            return result
+        except Exception as e:
+            log.debug(f"exception in {func.__name__}: {e}")
+            raise
+    return wrapper
+
+
+sys.excepthook = handle_exception

app/logging.yaml

@@ -23,8 +23,8 @@ filters:
       #    - function-name-1
       #    - function-name-2
       musicmuster:
-        - update_clocks
         - play_next
+      jittermonitor: []
 
 handlers:
   stderr:

app/menu.yaml

@@ -0,0 +1,104 @@
+menus:
+  - title: "&File"
+    actions:
+      - text: "Save as Template"
+        handler: "save_as_template"
+      - text: "Manage Templates"
+        handler: "manage_templates_wrapper"
+      - separator: true
+      - text: "Manage Queries"
+        handler: "manage_queries_wrapper"
+      - separator: true
+      - text: "Exit"
+        handler: "close"
+
+  - title: "&Playlist"
+    actions:
+      - text: "Open Playlist"
+        handler: "open_existing_playlist"
+        shortcut: "Ctrl+O"
+      - text: "New Playlist"
+        handler: "new_playlist_dynamic_submenu"
+        submenu: true
+      - text: "Close Playlist"
+        handler: "close_playlist_tab"
+      - text: "Rename Playlist"
+        handler: "rename_playlist"
+      - text: "Delete Playlist"
+        handler: "delete_playlist"
+      - separator: true
+      - text: "Insert Track"
+        handler: "insert_track"
+        shortcut: "Ctrl+T"
+      - text: "Select Track from Query"
+        handler: "query_dynamic_submenu"
+        submenu: true
+      - text: "Insert Section Header"
+        handler: "insert_header"
+        shortcut: "Ctrl+H"
+      - text: "Import Files"
+        handler: "import_files_wrapper"
+        shortcut: "Ctrl+Shift+I"
+      - separator: true
+      - text: "Mark for Moving"
+        handler: "mark_rows_for_moving"
+        shortcut: "Ctrl+C"
+      - text: "Paste"
+        handler: "paste_rows"
+        shortcut: "Ctrl+V"
+      - separator: true
+      - text: "Export Playlist"
+        handler: "export_playlist_tab"
+      - text: "Download CSV of Played Tracks"
+        handler: "download_played_tracks"
+      - separator: true
+      - text: "Select Duplicate Rows"
+        handler: "select_duplicate_rows"
+      - text: "Move Selected"
+        handler: "move_selected"
+      - text: "Move Unplayed"
+        handler: "move_unplayed"
+      - separator: true
+      - text: "Clear Selection"
+        handler: "clear_selection"
+        shortcut: "Esc"
+        store_reference: true  # So we can enable/disable later
+
+  - title: "&Music"
+    actions:
+      - text: "Set Next"
+        handler: "set_selected_track_next"
+        shortcut: "Ctrl+N"
+      - text: "Play Next"
+        handler: "play_next"
+        shortcut: "Return"
+      - text: "Fade"
+        handler: "fade"
+        shortcut: "Ctrl+Z"
+      - text: "Stop"
+        handler: "stop"
+        shortcut: "Ctrl+Alt+S"
+      - text: "Resume"
+        handler: "resume"
+        shortcut: "Ctrl+R"
+      - text: "Skip to Next"
+        handler: "play_next"
+        shortcut: "Ctrl+Alt+Return"
+      - separator: true
+      - text: "Search"
+        handler: "search_playlist"
+        shortcut: "/"
+      - text: "Search Title in Wikipedia"
+        handler: "lookup_row_in_wikipedia"
+        shortcut: "Ctrl+W"
+      - text: "Search Title in Songfacts"
+        handler: "lookup_row_in_songfacts"
+        shortcut: "Ctrl+S"
+
+  - title: "Help"
+    actions:
+      - text: "About"
+        handler: "about"
+      - text: "Debug"
+        handler: "debug"
+

app/models.py

@@ -10,19 +10,24 @@ import sys
 # PyQt imports
 
 # Third party imports
+from dogpile.cache import make_region
+from dogpile.cache.api import NO_VALUE
 from sqlalchemy import (
     bindparam,
     delete,
     func,
     select,
+    text,
     update,
 )
-from sqlalchemy.exc import IntegrityError
+from sqlalchemy.exc import IntegrityError, ProgrammingError
 from sqlalchemy.orm.exc import NoResultFound
-from sqlalchemy.orm import joinedload
+from sqlalchemy.orm import joinedload, selectinload
 from sqlalchemy.orm.session import Session
+from sqlalchemy.engine.row import RowMapping
 
 # App imports
+from classes import ApplicationError, Filter
 from config import Config
 from dbmanager import DatabaseManager
 import dbtables
@@ -37,9 +42,27 @@ if "unittest" in sys.modules and "sqlite" not in DATABASE_URL:
     raise ValueError("Unit tests running on non-Sqlite database")
 db = DatabaseManager.get_instance(DATABASE_URL, engine_options=Config.ENGINE_OPTIONS).db
 
+# Configure the cache region
+cache_region = make_region().configure(
+    'dogpile.cache.memory',  # Use in-memory caching for now (switch to Redis if needed)
+    expiration_time=600  # Cache expires after 10 minutes
+)
+
+
+def run_sql(session: Session, sql: str) -> Sequence[RowMapping]:
+    """
+    Run a sql string and return results
+    """
+
+    try:
+        return session.execute(text(sql)).mappings().all()
+    except ProgrammingError as e:
+        raise ApplicationError(e)
+
 
 # Database classes
 class NoteColours(dbtables.NoteColoursTable):
+
     def __init__(
         self,
         session: Session,
@@ -66,13 +89,28 @@ class NoteColours(dbtables.NoteColoursTable):
         Return all records
         """
 
-        result = session.scalars(select(cls)).all()
+        cache_key = "note_colours_all"
+        cached_result = cache_region.get(cache_key)
+
+        if cached_result is not NO_VALUE:
+            return cached_result
+
+        # Query the database
+        result = session.scalars(
+            select(cls)
+            .where(
+                cls.enabled.is_(True),
+            )
+            .order_by(cls.order)
+        ).all()
+        cache_region.set(cache_key, result)
+
         return result
 
     @staticmethod
     def get_colour(
         session: Session, text: str, foreground: bool = False
-    ) -> Optional[str]:
+    ) -> str:
         """
         Parse text and return background (foreground if foreground==True) colour
         string if matched, else None
@@ -80,16 +118,10 @@ class NoteColours(dbtables.NoteColoursTable):
         """
 
         if not text:
-            return None
+            return ""
 
         match = False
-        for rec in session.scalars(
-            select(NoteColours)
-            .where(
-                NoteColours.enabled.is_(True),
-            )
-            .order_by(NoteColours.order)
-        ).all():
+        for rec in NoteColours.get_all(session):
             if rec.is_regex:
                 flags = re.UNICODE
                 if not rec.is_casesensitive:
@@ -107,17 +139,28 @@ class NoteColours(dbtables.NoteColoursTable):
 
             if match:
                 if foreground:
-                    return rec.foreground
+                    return rec.foreground or ""
                 else:
                     return rec.colour
-        return None
+        return ""
+
+    @staticmethod
+    def invalidate_cache() -> None:
+        """Invalidate dogpile cache"""
+
+        cache_region.delete("note_colours_all")
 
 
 class Playdates(dbtables.PlaydatesTable):
-    def __init__(self, session: Session, track_id: int) -> None:
+    def __init__(
+        self, session: Session, track_id: int, when: Optional[dt.datetime] = None
+    ) -> None:
         """Record that track was played"""
 
+        if not when:
             self.lastplayed = dt.datetime.now()
+        else:
+            self.lastplayed = when
         self.track_id = track_id
         session.add(self)
         session.commit()
@@ -179,12 +222,18 @@ class Playdates(dbtables.PlaydatesTable):
 
 
 class Playlists(dbtables.PlaylistsTable):
-    def __init__(self, session: Session, name: str):
+    def __init__(self, session: Session, name: str, template_id: int) -> None:
+        """Create playlist with passed name"""
+
         self.name = name
         self.last_used = dt.datetime.now()
         session.add(self)
         session.commit()
 
+        # If a template is specified, copy from it
+        if template_id:
+            PlaylistRows.copy_playlist(session, template_id, self.id)
+
     @staticmethod
     def clear_tabs(session: Session, playlist_ids: list[int]) -> None:
         """
@@ -201,34 +250,6 @@ class Playlists(dbtables.PlaylistsTable):
         self.open = False
         session.commit()
 
-    @classmethod
-    def create_playlist_from_template(
-        cls, session: Session, template: "Playlists", playlist_name: str
-    ) -> Optional["Playlists"]:
-        """Create a new playlist from template"""
-
-        # Sanity check
-        if not template.id:
-            return None
-
-        playlist = cls(session, playlist_name)
-
-        # Sanity / mypy checks
-        if not playlist or not playlist.id:
-            return None
-
-        PlaylistRows.copy_playlist(session, template.id, playlist.id)
-
-        return playlist
-
-    def delete(self, session: Session) -> None:
-        """
-        Delete playlist
-        """
-
-        session.execute(delete(Playlists).where(Playlists.id == self.id))
-        session.commit()
-
     @classmethod
     def get_all(cls, session: Session) -> Sequence["Playlists"]:
         """Returns a list of all playlists ordered by last use"""
@@ -247,6 +268,16 @@ class Playlists(dbtables.PlaylistsTable):
             select(cls).where(cls.is_template.is_(True)).order_by(cls.name)
         ).all()
 
+    @classmethod
+    def get_favourite_templates(cls, session: Session) -> Sequence["Playlists"]:
+        """Returns a list of favourite templates ordered by name"""
+
+        return session.scalars(
+            select(cls)
+            .where(cls.is_template.is_(True), cls.favourite.is_(True))
+            .order_by(cls.name)
+        ).all()
+
     @classmethod
     def get_closed(cls, session: Session) -> Sequence["Playlists"]:
         """Returns a list of all closed playlists ordered by last use"""
@@ -301,7 +332,7 @@ class Playlists(dbtables.PlaylistsTable):
     ) -> None:
         """Save passed playlist as new template"""
 
-        template = Playlists(session, template_name)
+        template = Playlists(session, template_name, template_id=0)
         if not template or not template.id:
             return
 
@@ -489,9 +520,13 @@ class PlaylistRows(dbtables.PlaylistRowsTable):
         For passed playlist, return a list of rows.
         """
 
-        plrs = session.scalars(
-            select(cls).where(cls.playlist_id == playlist_id).order_by(cls.row_number)
-        ).all()
+        stmt = (
+            select(cls)
+            .where(cls.playlist_id == playlist_id)
+            .options(selectinload(cls.track))
+            .order_by(cls.row_number)
+        )
+        plrs = session.execute(stmt).scalars().all()
 
         return plrs
 
@@ -595,8 +630,39 @@ class PlaylistRows(dbtables.PlaylistRowsTable):
         session.connection().execute(stmt, sqla_map)
 
 
+class Queries(dbtables.QueriesTable):
+    def __init__(
+        self,
+        session: Session,
+        name: str,
+        filter: dbtables.Filter,
+        favourite: bool = False,
+    ) -> None:
+        """Create new query"""
+
+        self.name = name
+        self.filter = filter
+        self.favourite = favourite
+        session.add(self)
+        session.commit()
+
+    @classmethod
+    def get_all(cls, session: Session) -> Sequence["Queries"]:
+        """Returns a list of all queries ordered by name"""
+
+        return session.scalars(select(cls).order_by(cls.name)).all()
+
+    @classmethod
+    def get_favourites(cls, session: Session) -> Sequence["Queries"]:
+        """Returns a list of favourite queries ordered by name"""
+
+        return session.scalars(
+            select(cls).where(cls.favourite.is_(True)).order_by(cls.name)
+        ).all()
+
+
 class Settings(dbtables.SettingsTable):
-    def __init__(self, session: Session, name: str):
+    def __init__(self, session: Session, name: str) -> None:
         self.name = name
         session.add(self)
         session.commit()
@@ -624,7 +690,7 @@ class Tracks(dbtables.TracksTable):
         fade_at: int,
         silence_at: int,
         bitrate: int,
-    ):
+    ) -> None:
         self.path = path
         self.title = title
         self.artist = artist
@@ -679,6 +745,77 @@ class Tracks(dbtables.TracksTable):
             .all()
         )
 
+    @classmethod
+    def get_filtered_tracks(
+        cls, session: Session, filter: Filter
+    ) -> Sequence["Tracks"]:
+        """
+        Return tracks matching filter
+        """
+
+        query = select(cls)
+
+        # Path specification
+        if filter.path:
+            if filter.path_type == "contains":
+                query = query.where(cls.path.ilike(f"%{filter.path}%"))
+            elif filter.path_type == "excluding":
+                query = query.where(cls.path.notilike(f"%{filter.path}%"))
+            else:
+                raise ApplicationError(f"Can't process filter path ({filter=})")
+
+        # Duration specification
+        seconds_duration = filter.duration_number
+        if filter.duration_unit == Config.FILTER_DURATION_MINUTES:
+            seconds_duration *= 60
+        elif filter.duration_unit != Config.FILTER_DURATION_SECONDS:
+            raise ApplicationError(f"Can't process filter duration ({filter=})")
+
+        if filter.duration_type == Config.FILTER_DURATION_LONGER:
+            query = query.where(cls.duration >= seconds_duration)
+        elif filter.duration_unit == Config.FILTER_DURATION_SHORTER:
+            query = query.where(cls.duration <= seconds_duration)
+        else:
+            raise ApplicationError(f"Can't process filter duration type ({filter=})")
+
+        # Process comparator
+        if filter.last_played_comparator == Config.FILTER_PLAYED_COMPARATOR_NEVER:
+            # Select tracks that have never been played
+            query = query.outerjoin(Playdates, cls.id == Playdates.track_id).where(
+                Playdates.id.is_(None)
+            )
+        else:
+            # Last played specification
+            now = dt.datetime.now()
+            # Set sensible default, and correct for Config.FILTER_PLAYED_COMPARATOR_ANYTIME
+            before = now
+            # If not ANYTIME, set 'before' appropriates
+            if filter.last_played_comparator != Config.FILTER_PLAYED_COMPARATOR_ANYTIME:
+                if filter.last_played_unit == Config.FILTER_PLAYED_DAYS:
+                    before = now - dt.timedelta(days=filter.last_played_number)
+                elif filter.last_played_unit == Config.FILTER_PLAYED_WEEKS:
+                    before = now - dt.timedelta(days=7 * filter.last_played_number)
+                elif filter.last_played_unit == Config.FILTER_PLAYED_MONTHS:
+                    before = now - dt.timedelta(days=30 * filter.last_played_number)
+                elif filter.last_played_unit == Config.FILTER_PLAYED_YEARS:
+                    before = now - dt.timedelta(days=365 * filter.last_played_number)
+
+            subquery = (
+                select(
+                    Playdates.track_id,
+                    func.max(Playdates.lastplayed).label("max_last_played"),
+                )
+                .group_by(Playdates.track_id)
+                .subquery()
+            )
+            query = query.join(subquery, Tracks.id == subquery.c.track_id).where(
+                subquery.c.max_last_played < before
+            )
+
+        records = session.scalars(query).unique().all()
+
+        return records
+
     @classmethod
     def get_by_path(cls, session: Session, path: str) -> Optional["Tracks"]:
         """

app/music_manager.py

@@ -6,6 +6,7 @@ from time import sleep
 from typing import Optional
 
 # Third party imports
+# import line_profiler
 import numpy as np
 import pyqtgraph as pg  # type: ignore
 from sqlalchemy.orm.session import Session
@@ -29,6 +30,7 @@ from log import log
 from models import PlaylistRows
 from vlcmanager import VLCManager
 
+
 # Define the VLC callback function type
 # import ctypes
 # import platform
@@ -352,21 +354,6 @@ class _Music:
             self.player.set_position(position)
         self.start_dt = start_time
 
-        # For as-yet unknown reasons. sometimes the volume gets
-        # reset to zero within 200mS or so of starting play. This
-        # only happened since moving to Debian 12, which uses
-        # Pipewire for sound (which may be irrelevant).
-        # It has been known for the volume to need correcting more
-        # than once in the first 200mS.
-        # Update August 2024: This no longer seems to be an issue
-        # for _ in range(3):
-        #     if self.player:
-        #         volume = self.player.audio_get_volume()
-        #         if volume < Config.VLC_VOLUME_DEFAULT:
-        #             self.set_volume(Config.VLC_VOLUME_DEFAULT)
-        #             log.error(f"Reset from {volume=}")
-        #     sleep(0.1)
-
     def set_position(self, position: float) -> None:
         """
         Set player position
@@ -390,17 +377,6 @@ class _Music:
             volume = Config.VLC_VOLUME_DEFAULT
 
         self.player.audio_set_volume(volume)
-        # Ensure volume correct
-        # For as-yet unknown reasons. sometimes the volume gets
-        # reset to zero within 200mS or so of starting play. This
-        # only happened since moving to Debian 12, which uses
-        # Pipewire for sound (which may be irrelevant).
-        for _ in range(3):
-            current_volume = self.player.audio_get_volume()
-            if current_volume < volume:
-                self.player.audio_set_volume(volume)
-                log.debug(f"Reset from {volume=}")
-            sleep(0.1)
 
     def stop(self) -> None:
         """Immediately stop playing"""
@@ -439,6 +415,12 @@ class RowAndTrack:
         self.row_number = playlist_row.row_number
         self.track_id = playlist_row.track_id
 
+        # Playlist display data
+        self.row_fg: Optional[str] = None
+        self.row_bg: Optional[str] = None
+        self.note_fg: Optional[str] = None
+        self.note_bg: Optional[str] = None
+
         # Collect track data if there's a track
         if playlist_row.track_id:
             self.artist = playlist_row.track.artist
@@ -458,7 +440,7 @@ class RowAndTrack:
             self.title = playlist_row.track.title
         else:
             self.artist = ""
-            self.bitrate = None
+            self.bitrate = 0
             self.duration = 0
             self.fade_at = 0
             self.intro = None

app/playlistmodel.py

@@ -1,5 +1,4 @@
 # Standard library imports
-# Allow forward reference to PlaylistModel
 from __future__ import annotations
 
 from operator import attrgetter
@@ -12,7 +11,6 @@ import re
 from PyQt6.QtCore import (
     QAbstractTableModel,
     QModelIndex,
-    QObject,
     QRegularExpression,
     QSortFilterProxyModel,
     Qt,
@@ -26,6 +24,8 @@ from PyQt6.QtGui import (
 )
 
 # Third party imports
+# import line_profiler
+from sqlalchemy.orm.session import Session
 import obswebsocket  # type: ignore
 
 # import snoop  # type: ignore
@@ -46,12 +46,12 @@ from helpers import (
     remove_substring_case_insensitive,
     set_track_metadata,
 )
-from log import log
+from log import log, log_call
 from models import db, NoteColours, Playdates, PlaylistRows, Tracks
 from music_manager import RowAndTrack, track_sequence
 
 
-HEADER_NOTES_COLUMN = 1
+HEADER_NOTES_COLUMN = 0
 scene_change_re = re.compile(r"SetScene=\[([^[\]]*)\]")
 
 
@@ -74,13 +74,14 @@ class PlaylistModel(QAbstractTableModel):
     def __init__(
         self,
         playlist_id: int,
-        *args: Optional[QObject],
-        **kwargs: Optional[QObject],
+        is_template: bool,
     ) -> None:
+        super().__init__()
+
         log.debug("PlaylistModel.__init__()")
 
         self.playlist_id = playlist_id
-        super().__init__(*args, **kwargs)
+        self.is_template = is_template
 
         self.playlist_rows: dict[int, RowAndTrack] = {}
         self.signals = MusicMusterSignals()
@@ -98,13 +99,17 @@ class PlaylistModel(QAbstractTableModel):
 
     def __repr__(self) -> str:
         return (
-            f"<PlaylistModel: playlist_id={self.playlist_id}, {self.rowCount()} rows>"
+            f"<PlaylistModel: playlist_id={self.playlist_id}, "
+            f"is_template={self.is_template}, "
+            f"{self.rowCount()} rows>"
         )
 
     def active_section_header(self) -> int:
         """
-        Return the row number of the first header that has either unplayed tracks
-        or currently being played track below it.
+        Return the row number of the first header that has any of the following below it:
+         - unplayed tracks
+         - the currently being played track
+         - the track marked as next to play
         """
 
         header_row = 0
@@ -116,23 +121,20 @@ class PlaylistModel(QAbstractTableModel):
             if not self.is_played_row(row_number):
                 break
 
-            # If track is played, we need to check it's not the current
-            # next or previous track because we don't want to scroll them
-            # out of view
+            # Here means that row_number points to a played track. The
+            # current track will be marked as played when we start
+            # playing it. It's also possible that the track marked as
+            # next has already been played. Check for either of those.
 
-            for ts in [
-                track_sequence.next,
-                track_sequence.current,
-            ]:
+            for ts in [track_sequence.next, track_sequence.current]:
                 if (
                     ts
                     and ts.row_number == row_number
                     and ts.playlist_id == self.playlist_id
                 ):
-                    break
-            else:
-                continue  # continue iterating over playlist_rows
-            break  # current row is in one of the track sequences
+                    # We've found the current or next track, so return
+                    # the last-found header row
+                    return header_row
 
         return header_row
 
@@ -149,42 +151,52 @@ class PlaylistModel(QAbstractTableModel):
         try:
             rat = self.playlist_rows[row_number]
         except KeyError:
-            log.error(
+            raise ApplicationError(
                 f"{self}: KeyError in add_track_to_header ({row_number=}, {track_id=})"
             )
-            return
         if rat.path:
-            log.error(
+            raise ApplicationError(
                 f"{self}: Header row already has track associated ({rat=}, {track_id=})"
             )
-            return
         with db.Session() as session:
             playlistrow = session.get(PlaylistRows, rat.playlistrow_id)
-            if playlistrow:
+            if not playlistrow:
+                raise ApplicationError(
+                    f"{self}: Failed to retrieve playlist row ({rat.playlistrow_id=}"
+                )
             # Add track to PlaylistRows
             playlistrow.track_id = track_id
             # Add any further note (header will already have a note)
             if note:
-                    playlistrow.note += "\n" + note
+                playlistrow.note += " " + note
+            session.commit()
+
             # Update local copy
             self.refresh_row(session, row_number)
             # Repaint row
-                self.invalidate_row(row_number)
-                session.commit()
+            roles = [
+                Qt.ItemDataRole.BackgroundRole,
+                Qt.ItemDataRole.DisplayRole,
+                Qt.ItemDataRole.FontRole,
+                Qt.ItemDataRole.ForegroundRole,
+            ]
+            # only invalidate required roles
+            self.invalidate_row(row_number, roles)
 
         self.signals.resize_rows_signal.emit(self.playlist_id)
 
-    def background_role(self, row: int, column: int, rat: RowAndTrack) -> QBrush:
+    def _background_role(self, row: int, column: int, rat: RowAndTrack) -> QBrush:
         """Return background setting"""
 
         # Handle entire row colouring
         # Header row
         if self.is_header_row(row):
             # Check for specific header colouring
+            if rat.row_bg is None:
                 with db.Session() as session:
-                note_background = NoteColours.get_colour(session, rat.note)
-                if note_background:
-                    return QBrush(QColor(note_background))
+                    rat.row_bg = NoteColours.get_colour(session, rat.note)
+            if rat.row_bg:
+                return QBrush(QColor(rat.row_bg))
             else:
                 return QBrush(QColor(Config.COLOUR_NOTES_PLAYLIST))
         # Unreadable track file
@@ -218,10 +230,11 @@ class PlaylistModel(QAbstractTableModel):
                 return QBrush(QColor(Config.COLOUR_BITRATE_OK))
         if column == Col.NOTE.value:
             if rat.note:
+                if rat.note_bg is None:
                     with db.Session() as session:
-                    note_background = NoteColours.get_colour(session, rat.note)
-                    if note_background:
-                        return QBrush(QColor(note_background))
+                        rat.note_bg = NoteColours.get_colour(session, rat.note)
+                if rat.note_bg:
+                    return QBrush(QColor(rat.note_bg))
 
         return QBrush()
 
@@ -254,26 +267,27 @@ class PlaylistModel(QAbstractTableModel):
         - update track times
         """
 
+        log.debug(f"{self}: current_track_started()")
+
         if not track_sequence.current:
             return
 
         row_number = track_sequence.current.row_number
 
         # Check for OBS scene change
-        log.debug(f"{self}: Call OBS scene change")
         self.obs_scene_change(row_number)
 
         # Sanity check that we have a track_id
-        if not track_sequence.current.track_id:
-            log.error(
-                f"{self}: current_track_started() called with {track_sequence.current.track_id=}"
+        track_id = track_sequence.current.track_id
+        if not track_id:
+            raise ApplicationError(
+                f"{self}: current_track_started() called with {track_id=}"
             )
-            return
 
         with db.Session() as session:
             # Update Playdates in database
-            log.debug(f"{self}: update playdates")
-            Playdates(session, track_sequence.current.track_id)
+            log.debug(f"{self}: update playdates {track_id=}")
+            Playdates(session, track_id)
 
             # Mark track as played in playlist
             log.debug(f"{self}: Mark track as played")
@@ -283,18 +297,22 @@ class PlaylistModel(QAbstractTableModel):
                 self.refresh_row(session, plr.row_number)
             else:
                 log.error(
-                    f"{self}: Can't retrieve plr, {track_sequence.current.playlistrow_id=}"
+                    f"{self}: Can't retrieve plr, "
+                    f"{track_sequence.current.playlistrow_id=}"
                 )
+            session.commit()
 
         # Update colour and times for current row
-            self.invalidate_row(row_number)
+        # only invalidate required roles
+        roles = [
+            Qt.ItemDataRole.DisplayRole
+        ]
+        self.invalidate_row(row_number, roles)
 
         # Update previous row in case we're hiding played rows
         if track_sequence.previous and track_sequence.previous.row_number:
-                self.invalidate_row(track_sequence.previous.row_number)
-
-            # Update all other track times
-            self.update_track_times()
+            # only invalidate required roles
+            self.invalidate_row(track_sequence.previous.row_number, roles)
 
         # Find next track
         next_row = None
@@ -311,37 +329,21 @@ class PlaylistModel(QAbstractTableModel):
                 next_row = min(unplayed_rows)
         if next_row is not None:
             self.set_next_row(next_row)
+        else:
+            # set_next_row() calls update_track_times(); else we call it
+            self.update_track_times()
 
-            session.commit()
 
     def data(
         self, index: QModelIndex, role: int = Qt.ItemDataRole.DisplayRole
-    ) -> QVariant:
+    ) -> QVariant | QFont | QBrush | str | int:
         """Return data to view"""
 
-        if not index.isValid() or not (0 <= index.row() < len(self.playlist_rows)):
-            return QVariant()
-
-        row = index.row()
-        column = index.column()
-        # rat for playlist row data as it's used a lot
-        rat = self.playlist_rows[row]
-
-        # Dispatch to role-specific functions
-        dispatch_table = {
-            int(Qt.ItemDataRole.BackgroundRole): self.background_role,
-            int(Qt.ItemDataRole.DisplayRole): self.display_role,
-            int(Qt.ItemDataRole.EditRole): self.edit_role,
-            int(Qt.ItemDataRole.FontRole): self.font_role,
-            int(Qt.ItemDataRole.ForegroundRole): self.foreground_role,
-            int(Qt.ItemDataRole.ToolTipRole): self.tooltip_role,
-        }
-
-        if role in dispatch_table:
-            return QVariant(dispatch_table[role](row, column, rat))
-
-        # Document other roles but don't use them
-        if role in [
+        if (
+            not index.isValid()
+            or not (0 <= index.row() < len(self.playlist_rows))
+            or role
+            in [
                 Qt.ItemDataRole.DecorationRole,
                 Qt.ItemDataRole.StatusTipRole,
                 Qt.ItemDataRole.WhatsThisRole,
@@ -349,10 +351,30 @@ class PlaylistModel(QAbstractTableModel):
                 Qt.ItemDataRole.TextAlignmentRole,
                 Qt.ItemDataRole.CheckStateRole,
                 Qt.ItemDataRole.InitialSortOrderRole,
-        ]:
+            ]
+        ):
             return QVariant()
 
-        # Fall through to no-op
+        row = index.row()
+        column = index.column()
+        # rat for playlist row data as it's used a lot
+        rat = self.playlist_rows[row]
+
+        # These are ordered in approximately the frequency with which
+        # they are called
+        if role == Qt.ItemDataRole.BackgroundRole:
+            return self._background_role(row, column, rat)
+        elif role == Qt.ItemDataRole.DisplayRole:
+            return self._display_role(row, column, rat)
+        elif role == Qt.ItemDataRole.EditRole:
+            return self._edit_role(row, column, rat)
+        elif role == Qt.ItemDataRole.FontRole:
+            return self._font_role(row, column, rat)
+        elif role == Qt.ItemDataRole.ForegroundRole:
+            return self._foreground_role(row, column, rat)
+        elif role == Qt.ItemDataRole.ToolTipRole:
+            return self._tooltip_role(row, column, rat)
+
         return QVariant()
 
     def delete_rows(self, row_numbers: list[int]) -> None:
@@ -382,8 +404,9 @@ class PlaylistModel(QAbstractTableModel):
                 super().endRemoveRows()
 
         self.reset_track_sequence_row_numbers()
+        self.update_track_times()
 
-    def display_role(self, row: int, column: int, rat: RowAndTrack) -> QVariant:
+    def _display_role(self, row: int, column: int, rat: RowAndTrack) -> str:
         """
         Return text for display
         """
@@ -394,7 +417,7 @@ class PlaylistModel(QAbstractTableModel):
         if column == HEADER_NOTES_COLUMN:
             column_span = 1
             if header_row:
-                column_span = self.columnCount() - 1
+                column_span = self.columnCount() - HEADER_NOTES_COLUMN
             self.signals.span_cells_signal.emit(
                 self.playlist_id, row, HEADER_NOTES_COLUMN, 1, column_span
             )
@@ -403,45 +426,45 @@ class PlaylistModel(QAbstractTableModel):
             if column == HEADER_NOTES_COLUMN:
                 header_text = self.header_text(rat)
                 if not header_text:
-                    return QVariant(Config.TEXT_NO_TRACK_NO_NOTE)
+                    return Config.SECTION_HEADER
                 else:
                     formatted_header = self.header_text(rat)
                     trimmed_header = self.remove_section_timer_markers(formatted_header)
-                    return QVariant(trimmed_header)
+                    return trimmed_header
             else:
-                return QVariant("")
+                return ""
 
         if column == Col.START_TIME.value:
             start_time = rat.forecast_start_time
             if start_time:
-                return QVariant(start_time.strftime(Config.TRACK_TIME_FORMAT))
-            return QVariant()
+                return start_time.strftime(Config.TRACK_TIME_FORMAT)
+            return ""
 
         if column == Col.END_TIME.value:
             end_time = rat.forecast_end_time
             if end_time:
-                return QVariant(end_time.strftime(Config.TRACK_TIME_FORMAT))
-            return QVariant()
+                return end_time.strftime(Config.TRACK_TIME_FORMAT)
+            return ""
 
         if column == Col.INTRO.value:
             if rat.intro:
-                return QVariant(f"{rat.intro / 1000:{Config.INTRO_SECONDS_FORMAT}}")
+                return f"{rat.intro / 1000:{Config.INTRO_SECONDS_FORMAT}}"
             else:
-                return QVariant("")
+                return ""
 
-        dispatch_table = {
-            Col.ARTIST.value: QVariant(rat.artist),
-            Col.BITRATE.value: QVariant(rat.bitrate),
-            Col.DURATION.value: QVariant(ms_to_mmss(rat.duration)),
-            Col.LAST_PLAYED.value: QVariant(get_relative_date(rat.lastplayed)),
-            Col.NOTE.value: QVariant(rat.note),
-            Col.START_GAP.value: QVariant(rat.start_gap),
-            Col.TITLE.value: QVariant(rat.title),
+        dispatch_table: dict[int, str] = {
+            Col.ARTIST.value: rat.artist,
+            Col.BITRATE.value: str(rat.bitrate),
+            Col.DURATION.value: ms_to_mmss(rat.duration),
+            Col.LAST_PLAYED.value: get_relative_date(rat.lastplayed),
+            Col.NOTE.value: rat.note,
+            Col.START_GAP.value: str(rat.start_gap),
+            Col.TITLE.value: rat.title,
         }
         if column in dispatch_table:
             return dispatch_table[column]
 
-        return QVariant()
+        return ""
 
     def end_reset_model(self, playlist_id: int) -> None:
         """
@@ -458,37 +481,38 @@ class PlaylistModel(QAbstractTableModel):
         super().endResetModel()
         self.reset_track_sequence_row_numbers()
 
-    def edit_role(self, row: int, column: int, rat: RowAndTrack) -> QVariant:
+    def _edit_role(self, row: int, column: int, rat: RowAndTrack) -> str | int:
         """
-        Return text for editing
+        Return value for editing
         """
 
         # If this is a header row and we're being asked for the
         # HEADER_NOTES_COLUMN, return the note value
         if self.is_header_row(row) and column == HEADER_NOTES_COLUMN:
-            return QVariant(rat.note)
+            return rat.note
 
         if column == Col.INTRO.value:
-            return QVariant(rat.intro)
+            return rat.intro or 0
         if column == Col.TITLE.value:
-            return QVariant(rat.title)
+            return rat.title
         if column == Col.ARTIST.value:
-            return QVariant(rat.artist)
+            return rat.artist
         if column == Col.NOTE.value:
-            return QVariant(rat.note)
+            return rat.note
 
-        return QVariant()
+        return ""
 
-    def foreground_role(self, row: int, column: int, rat: RowAndTrack) -> QBrush:
+    def _foreground_role(self, row: int, column: int, rat: RowAndTrack) -> QBrush:
         """Return header foreground colour or QBrush() if none"""
 
         if self.is_header_row(row):
+            if rat.row_fg is None:
                 with db.Session() as session:
-                note_foreground = NoteColours.get_colour(
+                    rat.row_fg = NoteColours.get_colour(
                         session, rat.note, foreground=True
                     )
-                if note_foreground:
-                    return QBrush(QColor(note_foreground))
+            if rat.row_fg:
+                return QBrush(QColor(rat.row_fg))
 
         return QBrush()
 
@@ -510,24 +534,24 @@ class PlaylistModel(QAbstractTableModel):
             Col.ARTIST.value,
             Col.NOTE.value,
             Col.INTRO.value,
-        ]:
+        ] or self.is_header_row(index.row()) and index.column() == HEADER_NOTES_COLUMN:
             return default | Qt.ItemFlag.ItemIsEditable
 
         return default
 
-    def font_role(self, row: int, column: int, rat: RowAndTrack) -> QVariant:
+    def _font_role(self, row: int, column: int, rat: RowAndTrack) -> QFont:
         """
         Return font
         """
 
         # Notes column is never bold
         if column == Col.NOTE.value:
-            return QVariant()
+            return QFont()
 
         boldfont = QFont()
         boldfont.setBold(not self.playlist_rows[row].played)
 
-        return QVariant(boldfont)
+        return boldfont
 
     def get_duplicate_rows(self) -> list[int]:
         """
@@ -616,7 +640,6 @@ class PlaylistModel(QAbstractTableModel):
             for a in self.playlist_rows.values()
             if not a.played and a.track_id is not None
         ]
-        # log.debug(f"{self}: get_unplayed_rows() returned: {result=}")
         return result
 
     def headerData(
@@ -624,22 +647,22 @@ class PlaylistModel(QAbstractTableModel):
         section: int,
         orientation: Qt.Orientation,
         role: int = Qt.ItemDataRole.DisplayRole,
-    ) -> QVariant:
+    ) -> str | int | QFont | QVariant:
         """
         Return text for headers
         """
 
         display_dispatch_table = {
-            Col.START_GAP.value: QVariant(Config.HEADER_START_GAP),
-            Col.INTRO.value: QVariant(Config.HEADER_INTRO),
-            Col.TITLE.value: QVariant(Config.HEADER_TITLE),
-            Col.ARTIST.value: QVariant(Config.HEADER_ARTIST),
-            Col.DURATION.value: QVariant(Config.HEADER_DURATION),
-            Col.START_TIME.value: QVariant(Config.HEADER_START_TIME),
-            Col.END_TIME.value: QVariant(Config.HEADER_END_TIME),
-            Col.LAST_PLAYED.value: QVariant(Config.HEADER_LAST_PLAYED),
-            Col.BITRATE.value: QVariant(Config.HEADER_BITRATE),
-            Col.NOTE.value: QVariant(Config.HEADER_NOTE),
+            Col.START_GAP.value: Config.HEADER_START_GAP,
+            Col.INTRO.value: Config.HEADER_INTRO,
+            Col.TITLE.value: Config.HEADER_TITLE,
+            Col.ARTIST.value: Config.HEADER_ARTIST,
+            Col.DURATION.value: Config.HEADER_DURATION,
+            Col.START_TIME.value: Config.HEADER_START_TIME,
+            Col.END_TIME.value: Config.HEADER_END_TIME,
+            Col.LAST_PLAYED.value: Config.HEADER_LAST_PLAYED,
+            Col.BITRATE.value: Config.HEADER_BITRATE,
+            Col.NOTE.value: Config.HEADER_NOTE,
         }
 
         if role == Qt.ItemDataRole.DisplayRole:
@@ -647,14 +670,14 @@ class PlaylistModel(QAbstractTableModel):
                 return display_dispatch_table[section]
             else:
                 if Config.ROWS_FROM_ZERO:
-                    return QVariant(str(section))
+                    return section
                 else:
-                    return QVariant(str(section + 1))
+                    return section + 1
 
         elif role == Qt.ItemDataRole.FontRole:
             boldfont = QFont()
             boldfont.setBold(True)
-            return QVariant(boldfont)
+            return boldfont
 
         return QVariant()
 
@@ -692,7 +715,11 @@ class PlaylistModel(QAbstractTableModel):
         self.played_tracks_hidden = hide
         for row_number in range(len(self.playlist_rows)):
             if self.is_played_row(row_number):
-                self.invalidate_row(row_number)
+                # only invalidate required roles
+                roles = [
+                    Qt.ItemDataRole.DisplayRole,
+                ]
+                self.invalidate_row(row_number, roles)
 
     def insert_row(
         self,
@@ -724,9 +751,16 @@ class PlaylistModel(QAbstractTableModel):
 
         self.signals.resize_rows_signal.emit(self.playlist_id)
         self.reset_track_sequence_row_numbers()
-        self.invalidate_rows(list(range(new_row_number, len(self.playlist_rows))))
+        # only invalidate required roles
+        roles = [
+            Qt.ItemDataRole.BackgroundRole,
+            Qt.ItemDataRole.DisplayRole,
+            Qt.ItemDataRole.FontRole,
+            Qt.ItemDataRole.ForegroundRole,
+        ]
+        self.invalidate_rows(list(range(new_row_number, len(self.playlist_rows))), roles)
 
-    def invalidate_row(self, modified_row: int) -> None:
+    def invalidate_row(self, modified_row: int, roles: list[Qt.ItemDataRole]) -> None:
         """
         Signal to view to refresh invalidated row
         """
@@ -734,15 +768,17 @@ class PlaylistModel(QAbstractTableModel):
         self.dataChanged.emit(
             self.index(modified_row, 0),
             self.index(modified_row, self.columnCount() - 1),
+            roles
         )
 
-    def invalidate_rows(self, modified_rows: list[int]) -> None:
+    def invalidate_rows(self, modified_rows: list[int], roles: list[Qt.ItemDataRole]) -> None:
         """
         Signal to view to refresh invlidated rows
         """
 
         for modified_row in modified_rows:
-            self.invalidate_row(modified_row)
+            # only invalidate required roles
+            self.invalidate_row(modified_row, roles)
 
     def is_header_row(self, row_number: int) -> bool:
         """
@@ -772,7 +808,7 @@ class PlaylistModel(QAbstractTableModel):
 
         return None
 
-    def load_data(self, session: db.session) -> None:
+    def load_data(self, session: Session) -> None:
         """
         Same as refresh data, but only used when creating playslit.
         Distinguishes profile time between initial load and other
@@ -817,7 +853,11 @@ class PlaylistModel(QAbstractTableModel):
                 self.refresh_row(session, row_number)
 
         self.update_track_times()
-        self.invalidate_rows(row_numbers)
+        # only invalidate required roles
+        roles = [
+            Qt.ItemDataRole.FontRole,
+        ]
+        self.invalidate_rows(row_numbers, roles)
 
     def move_rows(self, from_rows: list[int], to_row_number: int) -> None:
         """
@@ -882,7 +922,11 @@ class PlaylistModel(QAbstractTableModel):
         # Update display
         self.reset_track_sequence_row_numbers()
         self.update_track_times()
-        self.invalidate_rows(list(row_map.keys()))
+        # only invalidate required roles
+        roles = [
+            Qt.ItemDataRole.DisplayRole,
+        ]
+        self.invalidate_rows(list(row_map.keys()), roles)
 
     def move_rows_between_playlists(
         self,
@@ -1059,9 +1103,13 @@ class PlaylistModel(QAbstractTableModel):
             return
 
         # Update display
-        self.invalidate_row(track_sequence.previous.row_number)
+        # only invalidate required roles
+        roles = [
+            Qt.ItemDataRole.BackgroundRole,
+        ]
+        self.invalidate_row(track_sequence.previous.row_number, roles)
 
-    def refresh_data(self, session: db.session) -> None:
+    def refresh_data(self, session: Session) -> None:
         """
         Populate self.playlist_rows with playlist data
 
@@ -1112,7 +1160,11 @@ class PlaylistModel(QAbstractTableModel):
                 playlist_row.track_id = None
                 session.commit()
                 self.refresh_row(session, row_number)
-        self.invalidate_row(row_number)
+        # only invalidate required roles
+        roles = [
+            Qt.ItemDataRole.DisplayRole,
+        ]
+        self.invalidate_row(row_number, roles)
 
     def rescan_track(self, row_number: int) -> None:
         """
@@ -1126,7 +1178,12 @@ class PlaylistModel(QAbstractTableModel):
                 set_track_metadata(track)
                 self.refresh_row(session, row_number)
                 self.update_track_times()
-                self.invalidate_row(row_number)
+                roles = [
+                    Qt.ItemDataRole.BackgroundRole,
+                    Qt.ItemDataRole.DisplayRole,
+                ]
+                # only invalidate required roles
+                self.invalidate_row(row_number, roles)
                 self.signals.resize_rows_signal.emit(self.playlist_id)
                 session.commit()
 
@@ -1140,8 +1197,6 @@ class PlaylistModel(QAbstractTableModel):
         looking up the playlistrow_id and retrieving the row number from the database.
         """
 
-        log.debug(f"{self}: reset_track_sequence_row_numbers()")
-
         # Check the track_sequence.next, current and previous plrs and
         # update the row number
         with db.Session() as session:
@@ -1186,7 +1241,13 @@ class PlaylistModel(QAbstractTableModel):
                     # self.playlist_rows directly.
                     self.playlist_rows[row_number].note = ""
             session.commit()
-        self.invalidate_rows(row_numbers)
+        # only invalidate required roles
+        roles = [
+            Qt.ItemDataRole.BackgroundRole,
+            Qt.ItemDataRole.DisplayRole,
+            Qt.ItemDataRole.ForegroundRole,
+        ]
+        self.invalidate_rows(row_numbers, roles)
 
     def _reversed_contiguous_row_groups(
         self, row_numbers: list[int]
@@ -1395,9 +1456,14 @@ class PlaylistModel(QAbstractTableModel):
                 self.signals.search_songfacts_signal.emit(
                     self.playlist_rows[row_number].title
                 )
+            roles = [
+                Qt.ItemDataRole.BackgroundRole,
+            ]
             if old_next_row is not None:
-                self.invalidate_row(old_next_row)
-            self.invalidate_row(row_number)
+                # only invalidate required roles
+                self.invalidate_row(old_next_row, roles)
+            # only invalidate required roles
+            self.invalidate_row(row_number, roles)
 
         self.signals.next_track_changed_signal.emit()
         self.update_track_times()
@@ -1547,26 +1613,24 @@ class PlaylistModel(QAbstractTableModel):
     def supportedDropActions(self) -> Qt.DropAction:
         return Qt.DropAction.MoveAction | Qt.DropAction.CopyAction
 
-    def tooltip_role(self, row: int, column: int, rat: RowAndTrack) -> QVariant:
+    def _tooltip_role(self, row: int, column: int, rat: RowAndTrack) -> str:
         """
         Return tooltip. Currently only used for last_played column.
         """
 
         if column != Col.LAST_PLAYED.value:
-            return QVariant()
+            return ""
         with db.Session() as session:
             track_id = self.playlist_rows[row].track_id
             if not track_id:
-                return QVariant()
+                return ""
             playdates = Playdates.last_playdates(session, track_id)
-            return QVariant(
-                "<br>".join(
+            return "<br>".join(
                 [
                     a.lastplayed.strftime(Config.LAST_PLAYED_TOOLTIP_DATE_FORMAT)
                     for a in playdates
                 ]
             )
-            )
 
     def update_or_insert(self, track_id: int, row_number: int) -> None:
         """
@@ -1581,7 +1645,14 @@ class PlaylistModel(QAbstractTableModel):
             with db.Session() as session:
                 for row in track_rows:
                     self.refresh_row(session, row)
-            self.invalidate_rows(track_rows)
+            # only invalidate required roles
+            roles = [
+                Qt.ItemDataRole.BackgroundRole,
+                Qt.ItemDataRole.DisplayRole,
+                Qt.ItemDataRole.FontRole,
+                Qt.ItemDataRole.ForegroundRole,
+            ]
+            self.invalidate_rows(track_rows, roles)
         else:
             self.insert_row(proposed_row_number=row_number, track_id=track_id)
 
@@ -1590,8 +1661,6 @@ class PlaylistModel(QAbstractTableModel):
         Update track start/end times in self.playlist_rows
         """
 
-        log.debug(f"{self}: update_track_times()")
-
         next_start_time: Optional[dt.datetime] = None
         update_rows: list[int] = []
         row_count = len(self.playlist_rows)
@@ -1730,9 +1799,13 @@ class PlaylistProxyModel(QSortFilterProxyModel):
                             # milliseconds so that it hides then. We add
                             # 100mS on so that the if clause above is
                             # true next time through.
+                            # only invalidate required roles
+                            roles = [
+                                Qt.ItemDataRole.DisplayRole,
+                            ]
                             QTimer.singleShot(
                                 Config.HIDE_AFTER_PLAYING_OFFSET + 100,
-                                lambda: self.sourceModel().invalidate_row(source_row),
+                                lambda: self.sourceModel().invalidate_row(source_row, roles),
                             )
                             return True
                     # Next track not playing yet so don't hide previous

app/playlists.py

@@ -22,10 +22,7 @@ from PyQt6.QtWidgets import (
     QFrame,
     QMenu,
     QMessageBox,
-    QProxyStyle,
-    QStyle,
     QStyledItemDelegate,
-    QStyleOption,
     QStyleOptionViewItem,
     QTableView,
     QTableWidgetItem,
@@ -34,10 +31,10 @@ from PyQt6.QtWidgets import (
 )
 
 # Third party imports
+# import line_profiler
 
 # App imports
-from audacity_controller import AudacityController
-from classes import ApplicationError, Col, MusicMusterSignals, TrackInfo
+from classes import ApplicationError, Col, MusicMusterSignals, PlaylistStyle, TrackInfo
 from config import Config
 from dialogs import TrackSelectDialog
 from helpers import (
@@ -46,7 +43,7 @@ from helpers import (
     show_OK,
     show_warning,
 )
-from log import log
+from log import log, log_call
 from models import db, Settings
 from music_manager import track_sequence
 from playlistmodel import PlaylistModel, PlaylistProxyModel
@@ -186,11 +183,11 @@ class PlaylistDelegate(QStyledItemDelegate):
                 data_modified = False
                 if isinstance(editor, QTextEdit):
                     data_modified = (
-                        self.original_model_data.value() != editor.toPlainText()
+                        self.original_model_data != editor.toPlainText()
                     )
                 elif isinstance(editor, QDoubleSpinBox):
                     data_modified = (
-                        self.original_model_data.value() != int(editor.value()) * 1000
+                        self.original_model_data != int(editor.value()) * 1000
                     )
                 if not data_modified:
                     self.closeEditor.emit(editor)
@@ -249,10 +246,10 @@ class PlaylistDelegate(QStyledItemDelegate):
             edit_index, Qt.ItemDataRole.EditRole
         )
         if index.column() == Col.INTRO.value:
-            if self.original_model_data.value():
-                editor.setValue(self.original_model_data.value() / 1000)
+            if self.original_model_data:
+                editor.setValue(self.original_model_data / 1000)
         else:
-            editor.setPlainText(self.original_model_data.value())
+            editor.setPlainText(self.original_model_data)
 
     def setModelData(self, editor, model, index):
         proxy_model = index.model()
@@ -268,24 +265,6 @@ class PlaylistDelegate(QStyledItemDelegate):
         editor.setGeometry(option.rect)
 
 
-class PlaylistStyle(QProxyStyle):
-    def drawPrimitive(self, element, option, painter, widget=None):
-        """
-        Draw a line across the entire row rather than just the column
-        we're hovering over.
-        """
-        if (
-            element == QStyle.PrimitiveElement.PE_IndicatorItemViewItemDrop
-            and not option.rect.isNull()
-        ):
-            option_new = QStyleOption(option)
-            option_new.rect.setLeft(0)
-            if widget:
-                option_new.rect.setRight(widget.width())
-            option = option_new
-        super().drawPrimitive(element, option, painter, widget)
-
-
 class PlaylistTab(QTableView):
     """
     The playlist view
@@ -328,13 +307,6 @@ class PlaylistTab(QTableView):
         self.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection)
         self.setSelectionBehavior(QAbstractItemView.SelectionBehavior.SelectRows)
 
-        # Set up for Audacity
-        try:
-            self.ac: Optional[AudacityController] = AudacityController()
-        except ApplicationError as e:
-            self.ac = None
-            show_warning(self.musicmuster, "Audacity error", str(e))
-
         # Load model, set column widths
         self.setModel(model)
         self._set_column_widths()
@@ -364,7 +336,7 @@ class PlaylistTab(QTableView):
         Override closeEditor to enable play controls and update display.
         """
 
-        self.musicmuster.action_Clear_selection.setEnabled(True)
+        self.musicmuster.enable_escape(True)
 
         super(PlaylistTab, self).closeEditor(editor, hint)
 
@@ -378,7 +350,7 @@ class PlaylistTab(QTableView):
         # Deselect edited line
         self.clear_selection()
 
-    def dropEvent(self, event: Optional[QDropEvent]) -> None:
+    def dropEvent(self, event: Optional[QDropEvent], dummy: int | None = None) -> None:
         """
         Move dropped rows
         """
@@ -566,8 +538,8 @@ class PlaylistTab(QTableView):
         track_path = base_model.get_row_info(model_row_number).path
 
         # Open/import in/from Audacity
-        if track_row and not this_is_current_row:
-            if self.ac and track_path == self.ac.path:
+        if track_row and not this_is_current_row and self.musicmuster.ac:
+            if track_path == self.musicmuster.ac.path:
                 # This track was opened in Audacity
                 self._add_context_menu(
                     "Update from Audacity",
@@ -677,8 +649,8 @@ class PlaylistTab(QTableView):
         that we have an edit open.
         """
 
-        if self.ac:
-            self.ac.path = None
+        if self.musicmuster.ac:
+            self.musicmuster.ac.path = None
 
     def clear_selection(self) -> None:
         """Unselect all tracks and reset drag mode"""
@@ -774,14 +746,29 @@ class PlaylistTab(QTableView):
         if row_count < 1:
             return
 
+        # Don't delete current or next tracks
+        selected_row_numbers = self.selected_model_row_numbers()
+        for ts in [
+            track_sequence.next,
+            track_sequence.current,
+        ]:
+            if ts:
+                if (
+                    ts.playlist_id == self.playlist_id
+                    and ts.row_number in selected_row_numbers
+                ):
+                    self.musicmuster.show_warning(
+                        "Delete not allowed", "Can't delete current or next track"
+                    )
+                    return
+
         # Get confirmation
         plural = "s" if row_count > 1 else ""
         if not ask_yes_no("Delete rows", f"Really delete {row_count} row{plural}?"):
             return
 
         base_model = self.get_base_model()
-
-        base_model.delete_rows(self.selected_model_row_numbers())
+        base_model.delete_rows(selected_row_numbers)
         self.clear_selection()
 
     def get_base_model(self) -> PlaylistModel:
@@ -830,14 +817,12 @@ class PlaylistTab(QTableView):
 
         # Use a set to deduplicate result (a selected row will have all
         # items in that row selected)
-        result = sorted(
-            list(
-                set([self.model().mapToSource(a).row() for a in self.selectedIndexes()])
-            )
-        )
+        selected_indexes = self.selectedIndexes()
 
-        log.debug(f"get_selected_rows() returned: {result=}")
-        return result
+        if not selected_indexes:
+            return []
+
+        return sorted(list(set([self.model().mapToSource(a).row() for a in selected_indexes])))
 
     def get_top_visible_row(self) -> int:
         """
@@ -867,10 +852,10 @@ class PlaylistTab(QTableView):
         Import current Audacity track to passed row
         """
 
-        if not self.ac:
+        if not self.musicmuster.ac:
             return
         try:
-            self.ac.export()
+            self.musicmuster.ac.export()
             self._rescan(row_number)
         except ApplicationError as e:
             show_warning(self.musicmuster, "Audacity error", str(e))
@@ -927,15 +912,16 @@ class PlaylistTab(QTableView):
         Open track in passed row in Audacity
         """
 
+        if not self.musicmuster.ac:
+            return
+
         path = self.get_base_model().get_row_track_path(row_number)
         if not path:
             log.error(f"_open_in_audacity: can't get path for {row_number=}")
             return
 
         try:
-            if not self.ac:
-                self.ac = AudacityController()
-            self.ac.open(path)
+            self.musicmuster.ac.open(path)
         except ApplicationError as e:
             show_warning(self.musicmuster, "Audacity error", str(e))
 

app/querylistmodel.py

@@ -0,0 +1,290 @@
+# Standard library imports
+# Allow forward reference to PlaylistModel
+from __future__ import annotations
+
+from collections.abc import Callable
+from dataclasses import dataclass
+from typing import Optional
+import datetime as dt
+
+# PyQt imports
+from PyQt6.QtCore import (
+    QAbstractTableModel,
+    QModelIndex,
+    Qt,
+    QVariant,
+)
+from PyQt6.QtGui import (
+    QBrush,
+    QColor,
+    QFont,
+)
+
+# Third party imports
+from sqlalchemy.orm.session import Session
+
+# import snoop  # type: ignore
+
+# App imports
+from classes import (
+    ApplicationError,
+    Filter,
+    QueryCol,
+)
+from config import Config
+from helpers import (
+    file_is_unreadable,
+    get_relative_date,
+    ms_to_mmss,
+    show_warning,
+)
+from log import log
+from models import db, Playdates, Tracks
+from music_manager import RowAndTrack
+
+
+@dataclass
+class QueryRow:
+    artist: str
+    bitrate: int
+    duration: int
+    lastplayed: Optional[dt.datetime]
+    path: str
+    title: str
+    track_id: int
+
+
+class QuerylistModel(QAbstractTableModel):
+    """
+    The Querylist Model
+
+    Used to support query lists. The underlying database is never
+    updated. We just present tracks that match a query and allow the user
+    to copy those to a playlist.
+
+    """
+
+    def __init__(self, session: Session, filter: Filter) -> None:
+        """
+        Load query
+        """
+
+        log.debug(f"QuerylistModel.__init__({filter=})")
+
+        super().__init__()
+        self.session = session
+        self.filter = filter
+
+        self.querylist_rows: dict[int, QueryRow] = {}
+        self._selected_rows: set[int] = set()
+
+        self.load_data()
+
+    def __repr__(self) -> str:
+        return f"<QuerylistModel: filter={self.filter}, {self.rowCount()} rows>"
+
+    def _background_role(self, row: int, column: int, qrow: QueryRow) -> QBrush:
+        """Return background setting"""
+
+        # Unreadable track file
+        if file_is_unreadable(qrow.path):
+            return QBrush(QColor(Config.COLOUR_UNREADABLE))
+
+        # Selected row
+        if row in self._selected_rows:
+            return QBrush(QColor(Config.COLOUR_QUERYLIST_SELECTED))
+
+        # Individual cell colouring
+        if column == QueryCol.BITRATE.value:
+            if not qrow.bitrate or qrow.bitrate < Config.BITRATE_LOW_THRESHOLD:
+                return QBrush(QColor(Config.COLOUR_BITRATE_LOW))
+            elif qrow.bitrate < Config.BITRATE_OK_THRESHOLD:
+                return QBrush(QColor(Config.COLOUR_BITRATE_MEDIUM))
+            else:
+                return QBrush(QColor(Config.COLOUR_BITRATE_OK))
+
+        return QBrush()
+
+    def columnCount(self, parent: QModelIndex = QModelIndex()) -> int:
+        """Standard function for view"""
+
+        return len(QueryCol)
+
+    def data(
+        self, index: QModelIndex, role: int = Qt.ItemDataRole.DisplayRole
+    ) -> QVariant:
+        """Return data to view"""
+
+        if (
+            not index.isValid()
+            or not (0 <= index.row() < len(self.querylist_rows))
+            or role
+            in [
+                Qt.ItemDataRole.CheckStateRole,
+                Qt.ItemDataRole.DecorationRole,
+                Qt.ItemDataRole.EditRole,
+                Qt.ItemDataRole.FontRole,
+                Qt.ItemDataRole.ForegroundRole,
+                Qt.ItemDataRole.InitialSortOrderRole,
+                Qt.ItemDataRole.SizeHintRole,
+                Qt.ItemDataRole.StatusTipRole,
+                Qt.ItemDataRole.TextAlignmentRole,
+                Qt.ItemDataRole.WhatsThisRole,
+            ]
+        ):
+            return QVariant()
+
+        row = index.row()
+        column = index.column()
+        # rat for playlist row data as it's used a lot
+        qrow = self.querylist_rows[row]
+
+        # Dispatch to role-specific functions
+        dispatch_table: dict[int, Callable] = {
+            int(Qt.ItemDataRole.BackgroundRole): self._background_role,
+            int(Qt.ItemDataRole.DisplayRole): self._display_role,
+            int(Qt.ItemDataRole.ToolTipRole): self._tooltip_role,
+        }
+
+        if role in dispatch_table:
+            return QVariant(dispatch_table[role](row, column, qrow))
+
+        # Fall through to no-op
+        return QVariant()
+
+    def _display_role(self, row: int, column: int, qrow: QueryRow) -> str:
+        """
+        Return text for display
+        """
+
+        dispatch_table = {
+            QueryCol.ARTIST.value: qrow.artist,
+            QueryCol.BITRATE.value: str(qrow.bitrate),
+            QueryCol.DURATION.value: ms_to_mmss(qrow.duration),
+            QueryCol.LAST_PLAYED.value: get_relative_date(qrow.lastplayed),
+            QueryCol.TITLE.value: qrow.title,
+        }
+        if column in dispatch_table:
+            return dispatch_table[column]
+
+        return ""
+
+    def flags(self, index: QModelIndex) -> Qt.ItemFlag:
+        """
+        Standard model flags
+        """
+
+        if not index.isValid():
+            return Qt.ItemFlag.NoItemFlags
+
+        return Qt.ItemFlag.ItemIsEnabled | Qt.ItemFlag.ItemIsSelectable
+
+    def get_selected_track_ids(self) -> list[int]:
+        """
+        Return a list of track_ids from selected tracks
+        """
+
+        return [self.querylist_rows[row].track_id for row in self._selected_rows]
+
+    def headerData(
+        self,
+        section: int,
+        orientation: Qt.Orientation,
+        role: int = Qt.ItemDataRole.DisplayRole,
+    ) -> QVariant:
+        """
+        Return text for headers
+        """
+
+        display_dispatch_table = {
+            QueryCol.TITLE.value: QVariant(Config.HEADER_TITLE),
+            QueryCol.ARTIST.value: QVariant(Config.HEADER_ARTIST),
+            QueryCol.DURATION.value: QVariant(Config.HEADER_DURATION),
+            QueryCol.LAST_PLAYED.value: QVariant(Config.HEADER_LAST_PLAYED),
+            QueryCol.BITRATE.value: QVariant(Config.HEADER_BITRATE),
+        }
+
+        if role == Qt.ItemDataRole.DisplayRole:
+            if orientation == Qt.Orientation.Horizontal:
+                return display_dispatch_table[section]
+            else:
+                if Config.ROWS_FROM_ZERO:
+                    return QVariant(str(section))
+                else:
+                    return QVariant(str(section + 1))
+
+        elif role == Qt.ItemDataRole.FontRole:
+            boldfont = QFont()
+            boldfont.setBold(True)
+            return QVariant(boldfont)
+
+        return QVariant()
+
+    def load_data(self) -> None:
+        """
+        Populate self.querylist_rows
+        """
+
+        # Clear any exsiting rows
+        self.querylist_rows = {}
+        row = 0
+
+        try:
+            results = Tracks.get_filtered_tracks(self.session, self.filter)
+            for result in results:
+                lastplayed = None
+                if hasattr(result, "playdates"):
+                    pds = result.playdates
+                    if pds:
+                        lastplayed = max([a.lastplayed for a in pds])
+                queryrow = QueryRow(
+                    artist=result.artist,
+                    bitrate=result.bitrate or 0,
+                    duration=result.duration,
+                    lastplayed=lastplayed,
+                    path=result.path,
+                    title=result.title,
+                    track_id=result.id,
+                )
+
+                self.querylist_rows[row] = queryrow
+                row += 1
+        except ApplicationError as e:
+            show_warning(None, "Query error", f"Error loading query data ({e})")
+
+    def rowCount(self, index: QModelIndex = QModelIndex()) -> int:
+        """Standard function for view"""
+
+        return len(self.querylist_rows)
+
+    def toggle_row_selection(self, row: int) -> None:
+        if row in self._selected_rows:
+            self._selected_rows.discard(row)
+        else:
+            self._selected_rows.add(row)
+
+        # Emit dataChanged for the entire row
+        top_left = self.index(row, 0)
+        bottom_right = self.index(row, self.columnCount() - 1)
+        self.dataChanged.emit(top_left, bottom_right, [Qt.ItemDataRole.BackgroundRole])
+
+    def _tooltip_role(self, row: int, column: int, rat: RowAndTrack) -> str | QVariant:
+        """
+        Return tooltip. Currently only used for last_played column.
+        """
+
+        if column != QueryCol.LAST_PLAYED.value:
+            return QVariant()
+        with db.Session() as session:
+            track_id = self.querylist_rows[row].track_id
+            if not track_id:
+                return QVariant()
+            playdates = Playdates.last_playdates(session, track_id)
+            return (
+                "<br>".join(
+                    [
+                        a.lastplayed.strftime(Config.LAST_PLAYED_TOOLTIP_DATE_FORMAT)
+                        for a in reversed(playdates)
+                    ]
+                )
+            )

app/ui/dlgQuery.ui

@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>queryDialog</class>
+ <widget class="QDialog" name="queryDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>762</width>
+    <height>686</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Query</string>
+  </property>
+  <widget class="QTableView" name="tableView">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>65</y>
+     <width>741</width>
+     <height>561</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>10</y>
+     <width>61</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>Query:</string>
+   </property>
+  </widget>
+  <widget class="QComboBox" name="cboQuery">
+   <property name="geometry">
+    <rect>
+     <x>80</x>
+     <y>10</y>
+     <width>221</width>
+     <height>32</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="btnAddTracks">
+   <property name="geometry">
+    <rect>
+     <x>530</x>
+     <y>640</y>
+     <width>102</width>
+     <height>36</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>Add &amp;tracks</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="lblDescription">
+   <property name="geometry">
+    <rect>
+     <x>330</x>
+     <y>10</y>
+     <width>401</width>
+     <height>46</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>TextLabel</string>
+   </property>
+   <property name="alignment">
+    <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>650</x>
+     <y>640</y>
+     <width>102</width>
+     <height>36</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>Close</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

app/ui/dlgQuery_ui.py

@@ -0,0 +1,45 @@
+# Form implementation generated from reading ui file 'app/ui/dlgQuery.ui'
+#
+# Created by: PyQt6 UI code generator 6.8.1
+#
+# WARNING: Any manual changes made to this file will be lost when pyuic6 is
+# run again.  Do not edit this file unless you know what you are doing.
+
+
+from PyQt6 import QtCore, QtGui, QtWidgets
+
+
+class Ui_queryDialog(object):
+    def setupUi(self, queryDialog):
+        queryDialog.setObjectName("queryDialog")
+        queryDialog.resize(762, 686)
+        self.tableView = QtWidgets.QTableView(parent=queryDialog)
+        self.tableView.setGeometry(QtCore.QRect(10, 65, 741, 561))
+        self.tableView.setObjectName("tableView")
+        self.label = QtWidgets.QLabel(parent=queryDialog)
+        self.label.setGeometry(QtCore.QRect(20, 10, 61, 24))
+        self.label.setObjectName("label")
+        self.cboQuery = QtWidgets.QComboBox(parent=queryDialog)
+        self.cboQuery.setGeometry(QtCore.QRect(80, 10, 221, 32))
+        self.cboQuery.setObjectName("cboQuery")
+        self.btnAddTracks = QtWidgets.QPushButton(parent=queryDialog)
+        self.btnAddTracks.setGeometry(QtCore.QRect(530, 640, 102, 36))
+        self.btnAddTracks.setObjectName("btnAddTracks")
+        self.lblDescription = QtWidgets.QLabel(parent=queryDialog)
+        self.lblDescription.setGeometry(QtCore.QRect(330, 10, 401, 46))
+        self.lblDescription.setAlignment(QtCore.Qt.AlignmentFlag.AlignLeading|QtCore.Qt.AlignmentFlag.AlignLeft|QtCore.Qt.AlignmentFlag.AlignTop)
+        self.lblDescription.setObjectName("lblDescription")
+        self.pushButton = QtWidgets.QPushButton(parent=queryDialog)
+        self.pushButton.setGeometry(QtCore.QRect(650, 640, 102, 36))
+        self.pushButton.setObjectName("pushButton")
+
+        self.retranslateUi(queryDialog)
+        QtCore.QMetaObject.connectSlotsByName(queryDialog)
+
+    def retranslateUi(self, queryDialog):
+        _translate = QtCore.QCoreApplication.translate
+        queryDialog.setWindowTitle(_translate("queryDialog", "Query"))
+        self.label.setText(_translate("queryDialog", "Query:"))
+        self.btnAddTracks.setText(_translate("queryDialog", "Add &tracks"))
+        self.lblDescription.setText(_translate("queryDialog", "TextLabel"))
+        self.pushButton.setText(_translate("queryDialog", "Close"))

app/ui/icons.qrc

@@ -1,6 +1,7 @@
 <RCC>
   <qresource prefix="icons">
     <file>yellow-circle.png</file>
+    <file>redstar.png</file>
     <file>green-circle.png</file>
     <file>star.png</file>
     <file>star_empty.png</file>

app/ui/main_window.ui

@@ -997,6 +997,9 @@ padding-left: 8px;</string>
     <addaction name="actionRenamePlaylist"/>
     <addaction name="actionDeletePlaylist"/>
     <addaction name="separator"/>
+    <addaction name="actionOpenQuerylist"/>
+    <addaction name="actionManage_querylists"/>
+    <addaction name="separator"/>
     <addaction name="actionSave_as_template"/>
     <addaction name="actionManage_templates"/>
     <addaction name="separator"/>
@@ -1369,6 +1372,16 @@ padding-left: 8px;</string>
     <string>Import files...</string>
    </property>
   </action>
+  <action name="actionOpenQuerylist">
+   <property name="text">
+    <string>Open &amp;querylist...</string>
+   </property>
+  </action>
+  <action name="actionManage_querylists">
+   <property name="text">
+    <string>Manage querylists...</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

app/ui/main_window_playlist.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>1249</width>
-    <height>499</height>
+    <height>538</height>
    </rect>
   </property>
   <property name="windowTitle">

app/ui/main_window_ui.py

@@ -1,843 +0,0 @@
-# Form implementation generated from reading ui file 'app/ui/main_window.ui'
-#
-# Created by: PyQt6 UI code generator 6.8.0
-#
-# WARNING: Any manual changes made to this file will be lost when pyuic6 is
-# run again.  Do not edit this file unless you know what you are doing.
-
-
-from PyQt6 import QtCore, QtGui, QtWidgets
-
-
-class Ui_MainWindow(object):
-    def setupUi(self, MainWindow):
-        MainWindow.setObjectName("MainWindow")
-        MainWindow.resize(1280, 857)
-        MainWindow.setMinimumSize(QtCore.QSize(1280, 0))
-        icon = QtGui.QIcon()
-        icon.addPixmap(
-            QtGui.QPixmap(":/icons/musicmuster"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        MainWindow.setWindowIcon(icon)
-        MainWindow.setStyleSheet("")
-        self.centralwidget = QtWidgets.QWidget(parent=MainWindow)
-        self.centralwidget.setObjectName("centralwidget")
-        self.gridLayout_4 = QtWidgets.QGridLayout(self.centralwidget)
-        self.gridLayout_4.setObjectName("gridLayout_4")
-        self.horizontalLayout_3 = QtWidgets.QHBoxLayout()
-        self.horizontalLayout_3.setObjectName("horizontalLayout_3")
-        self.verticalLayout_3 = QtWidgets.QVBoxLayout()
-        self.verticalLayout_3.setObjectName("verticalLayout_3")
-        self.previous_track_2 = QtWidgets.QLabel(parent=self.centralwidget)
-        sizePolicy = QtWidgets.QSizePolicy(
-            QtWidgets.QSizePolicy.Policy.Preferred,
-            QtWidgets.QSizePolicy.Policy.Preferred,
-        )
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(
-            self.previous_track_2.sizePolicy().hasHeightForWidth()
-        )
-        self.previous_track_2.setSizePolicy(sizePolicy)
-        self.previous_track_2.setMaximumSize(QtCore.QSize(230, 16777215))
-        font = QtGui.QFont()
-        font.setFamily("Sans")
-        font.setPointSize(20)
-        self.previous_track_2.setFont(font)
-        self.previous_track_2.setStyleSheet(
-            "background-color: #f8d7da;\n" "border: 1px solid rgb(85, 87, 83);"
-        )
-        self.previous_track_2.setAlignment(
-            QtCore.Qt.AlignmentFlag.AlignRight
-            | QtCore.Qt.AlignmentFlag.AlignTrailing
-            | QtCore.Qt.AlignmentFlag.AlignVCenter
-        )
-        self.previous_track_2.setObjectName("previous_track_2")
-        self.verticalLayout_3.addWidget(self.previous_track_2)
-        self.current_track_2 = QtWidgets.QLabel(parent=self.centralwidget)
-        sizePolicy = QtWidgets.QSizePolicy(
-            QtWidgets.QSizePolicy.Policy.Preferred,
-            QtWidgets.QSizePolicy.Policy.Preferred,
-        )
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(
-            self.current_track_2.sizePolicy().hasHeightForWidth()
-        )
-        self.current_track_2.setSizePolicy(sizePolicy)
-        self.current_track_2.setMaximumSize(QtCore.QSize(230, 16777215))
-        font = QtGui.QFont()
-        font.setFamily("Sans")
-        font.setPointSize(20)
-        self.current_track_2.setFont(font)
-        self.current_track_2.setStyleSheet(
-            "background-color: #d4edda;\n" "border: 1px solid rgb(85, 87, 83);"
-        )
-        self.current_track_2.setAlignment(
-            QtCore.Qt.AlignmentFlag.AlignRight
-            | QtCore.Qt.AlignmentFlag.AlignTrailing
-            | QtCore.Qt.AlignmentFlag.AlignVCenter
-        )
-        self.current_track_2.setObjectName("current_track_2")
-        self.verticalLayout_3.addWidget(self.current_track_2)
-        self.next_track_2 = QtWidgets.QLabel(parent=self.centralwidget)
-        sizePolicy = QtWidgets.QSizePolicy(
-            QtWidgets.QSizePolicy.Policy.Preferred,
-            QtWidgets.QSizePolicy.Policy.Preferred,
-        )
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.next_track_2.sizePolicy().hasHeightForWidth())
-        self.next_track_2.setSizePolicy(sizePolicy)
-        self.next_track_2.setMaximumSize(QtCore.QSize(230, 16777215))
-        font = QtGui.QFont()
-        font.setFamily("Sans")
-        font.setPointSize(20)
-        self.next_track_2.setFont(font)
-        self.next_track_2.setStyleSheet(
-            "background-color: #fff3cd;\n" "border: 1px solid rgb(85, 87, 83);"
-        )
-        self.next_track_2.setAlignment(
-            QtCore.Qt.AlignmentFlag.AlignRight
-            | QtCore.Qt.AlignmentFlag.AlignTrailing
-            | QtCore.Qt.AlignmentFlag.AlignVCenter
-        )
-        self.next_track_2.setObjectName("next_track_2")
-        self.verticalLayout_3.addWidget(self.next_track_2)
-        self.horizontalLayout_3.addLayout(self.verticalLayout_3)
-        self.verticalLayout = QtWidgets.QVBoxLayout()
-        self.verticalLayout.setObjectName("verticalLayout")
-        self.hdrPreviousTrack = QtWidgets.QLabel(parent=self.centralwidget)
-        sizePolicy = QtWidgets.QSizePolicy(
-            QtWidgets.QSizePolicy.Policy.Preferred,
-            QtWidgets.QSizePolicy.Policy.Preferred,
-        )
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(
-            self.hdrPreviousTrack.sizePolicy().hasHeightForWidth()
-        )
-        self.hdrPreviousTrack.setSizePolicy(sizePolicy)
-        self.hdrPreviousTrack.setMinimumSize(QtCore.QSize(0, 0))
-        self.hdrPreviousTrack.setMaximumSize(QtCore.QSize(16777215, 16777215))
-        font = QtGui.QFont()
-        font.setFamily("Sans")
-        font.setPointSize(20)
-        self.hdrPreviousTrack.setFont(font)
-        self.hdrPreviousTrack.setStyleSheet(
-            "background-color: #f8d7da;\n" "border: 1px solid rgb(85, 87, 83);"
-        )
-        self.hdrPreviousTrack.setText("")
-        self.hdrPreviousTrack.setWordWrap(False)
-        self.hdrPreviousTrack.setObjectName("hdrPreviousTrack")
-        self.verticalLayout.addWidget(self.hdrPreviousTrack)
-        self.hdrCurrentTrack = QtWidgets.QPushButton(parent=self.centralwidget)
-        sizePolicy = QtWidgets.QSizePolicy(
-            QtWidgets.QSizePolicy.Policy.Preferred,
-            QtWidgets.QSizePolicy.Policy.Preferred,
-        )
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(
-            self.hdrCurrentTrack.sizePolicy().hasHeightForWidth()
-        )
-        self.hdrCurrentTrack.setSizePolicy(sizePolicy)
-        font = QtGui.QFont()
-        font.setPointSize(20)
-        self.hdrCurrentTrack.setFont(font)
-        self.hdrCurrentTrack.setStyleSheet(
-            "background-color: #d4edda;\n"
-            "border: 1px solid rgb(85, 87, 83);\n"
-            "text-align: left;\n"
-            "padding-left: 8px;\n"
-            ""
-        )
-        self.hdrCurrentTrack.setText("")
-        self.hdrCurrentTrack.setFlat(True)
-        self.hdrCurrentTrack.setObjectName("hdrCurrentTrack")
-        self.verticalLayout.addWidget(self.hdrCurrentTrack)
-        self.hdrNextTrack = QtWidgets.QPushButton(parent=self.centralwidget)
-        sizePolicy = QtWidgets.QSizePolicy(
-            QtWidgets.QSizePolicy.Policy.Preferred,
-            QtWidgets.QSizePolicy.Policy.Preferred,
-        )
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.hdrNextTrack.sizePolicy().hasHeightForWidth())
-        self.hdrNextTrack.setSizePolicy(sizePolicy)
-        font = QtGui.QFont()
-        font.setPointSize(20)
-        self.hdrNextTrack.setFont(font)
-        self.hdrNextTrack.setStyleSheet(
-            "background-color: #fff3cd;\n"
-            "border: 1px solid rgb(85, 87, 83);\n"
-            "text-align: left;\n"
-            "padding-left: 8px;"
-        )
-        self.hdrNextTrack.setText("")
-        self.hdrNextTrack.setFlat(True)
-        self.hdrNextTrack.setObjectName("hdrNextTrack")
-        self.verticalLayout.addWidget(self.hdrNextTrack)
-        self.horizontalLayout_3.addLayout(self.verticalLayout)
-        self.frame_2 = QtWidgets.QFrame(parent=self.centralwidget)
-        self.frame_2.setMinimumSize(QtCore.QSize(0, 131))
-        self.frame_2.setMaximumSize(QtCore.QSize(230, 131))
-        self.frame_2.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.frame_2.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.frame_2.setObjectName("frame_2")
-        self.verticalLayout_10 = QtWidgets.QVBoxLayout(self.frame_2)
-        self.verticalLayout_10.setObjectName("verticalLayout_10")
-        self.lblTOD = QtWidgets.QLabel(parent=self.frame_2)
-        self.lblTOD.setMinimumSize(QtCore.QSize(208, 0))
-        font = QtGui.QFont()
-        font.setPointSize(35)
-        self.lblTOD.setFont(font)
-        self.lblTOD.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
-        self.lblTOD.setObjectName("lblTOD")
-        self.verticalLayout_10.addWidget(self.lblTOD)
-        self.label_elapsed_timer = QtWidgets.QLabel(parent=self.frame_2)
-        font = QtGui.QFont()
-        font.setFamily("FreeSans")
-        font.setPointSize(18)
-        font.setBold(False)
-        font.setWeight(50)
-        self.label_elapsed_timer.setFont(font)
-        self.label_elapsed_timer.setStyleSheet("color: black;")
-        self.label_elapsed_timer.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
-        self.label_elapsed_timer.setObjectName("label_elapsed_timer")
-        self.verticalLayout_10.addWidget(self.label_elapsed_timer)
-        self.horizontalLayout_3.addWidget(self.frame_2)
-        self.gridLayout_4.addLayout(self.horizontalLayout_3, 0, 0, 1, 1)
-        self.frame_4 = QtWidgets.QFrame(parent=self.centralwidget)
-        self.frame_4.setMinimumSize(QtCore.QSize(0, 16))
-        self.frame_4.setAutoFillBackground(False)
-        self.frame_4.setStyleSheet("background-color: rgb(154, 153, 150)")
-        self.frame_4.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.frame_4.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.frame_4.setObjectName("frame_4")
-        self.gridLayout_4.addWidget(self.frame_4, 1, 0, 1, 1)
-        self.cartsWidget = QtWidgets.QWidget(parent=self.centralwidget)
-        self.cartsWidget.setObjectName("cartsWidget")
-        self.horizontalLayout_Carts = QtWidgets.QHBoxLayout(self.cartsWidget)
-        self.horizontalLayout_Carts.setObjectName("horizontalLayout_Carts")
-        spacerItem = QtWidgets.QSpacerItem(
-            40,
-            20,
-            QtWidgets.QSizePolicy.Policy.Expanding,
-            QtWidgets.QSizePolicy.Policy.Minimum,
-        )
-        self.horizontalLayout_Carts.addItem(spacerItem)
-        self.gridLayout_4.addWidget(self.cartsWidget, 2, 0, 1, 1)
-        self.frame_6 = QtWidgets.QFrame(parent=self.centralwidget)
-        self.frame_6.setMinimumSize(QtCore.QSize(0, 16))
-        self.frame_6.setAutoFillBackground(False)
-        self.frame_6.setStyleSheet("background-color: rgb(154, 153, 150)")
-        self.frame_6.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.frame_6.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.frame_6.setObjectName("frame_6")
-        self.gridLayout_4.addWidget(self.frame_6, 3, 0, 1, 1)
-        self.splitter = QtWidgets.QSplitter(parent=self.centralwidget)
-        self.splitter.setOrientation(QtCore.Qt.Orientation.Vertical)
-        self.splitter.setObjectName("splitter")
-        self.tabPlaylist = QtWidgets.QTabWidget(parent=self.splitter)
-        self.tabPlaylist.setDocumentMode(False)
-        self.tabPlaylist.setTabsClosable(True)
-        self.tabPlaylist.setMovable(True)
-        self.tabPlaylist.setObjectName("tabPlaylist")
-        self.tabInfolist = InfoTabs(parent=self.splitter)
-        self.tabInfolist.setDocumentMode(False)
-        self.tabInfolist.setTabsClosable(True)
-        self.tabInfolist.setMovable(True)
-        self.tabInfolist.setTabBarAutoHide(False)
-        self.tabInfolist.setObjectName("tabInfolist")
-        self.gridLayout_4.addWidget(self.splitter, 4, 0, 1, 1)
-        self.InfoFooterFrame = QtWidgets.QFrame(parent=self.centralwidget)
-        self.InfoFooterFrame.setMaximumSize(QtCore.QSize(16777215, 16777215))
-        self.InfoFooterFrame.setStyleSheet("background-color: rgb(192, 191, 188)")
-        self.InfoFooterFrame.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.InfoFooterFrame.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.InfoFooterFrame.setObjectName("InfoFooterFrame")
-        self.horizontalLayout = QtWidgets.QHBoxLayout(self.InfoFooterFrame)
-        self.horizontalLayout.setObjectName("horizontalLayout")
-        self.FadeStopInfoFrame = QtWidgets.QFrame(parent=self.InfoFooterFrame)
-        self.FadeStopInfoFrame.setMinimumSize(QtCore.QSize(152, 112))
-        self.FadeStopInfoFrame.setMaximumSize(QtCore.QSize(184, 16777215))
-        self.FadeStopInfoFrame.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.FadeStopInfoFrame.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.FadeStopInfoFrame.setObjectName("FadeStopInfoFrame")
-        self.verticalLayout_4 = QtWidgets.QVBoxLayout(self.FadeStopInfoFrame)
-        self.verticalLayout_4.setObjectName("verticalLayout_4")
-        self.btnPreview = QtWidgets.QPushButton(parent=self.FadeStopInfoFrame)
-        self.btnPreview.setMinimumSize(QtCore.QSize(132, 41))
-        icon1 = QtGui.QIcon()
-        icon1.addPixmap(
-            QtGui.QPixmap(":/icons/headphones"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.btnPreview.setIcon(icon1)
-        self.btnPreview.setIconSize(QtCore.QSize(30, 30))
-        self.btnPreview.setCheckable(True)
-        self.btnPreview.setObjectName("btnPreview")
-        self.verticalLayout_4.addWidget(self.btnPreview)
-        self.groupBoxIntroControls = QtWidgets.QGroupBox(parent=self.FadeStopInfoFrame)
-        self.groupBoxIntroControls.setMinimumSize(QtCore.QSize(132, 46))
-        self.groupBoxIntroControls.setMaximumSize(QtCore.QSize(132, 46))
-        self.groupBoxIntroControls.setTitle("")
-        self.groupBoxIntroControls.setObjectName("groupBoxIntroControls")
-        self.btnPreviewStart = QtWidgets.QPushButton(parent=self.groupBoxIntroControls)
-        self.btnPreviewStart.setGeometry(QtCore.QRect(0, 0, 44, 23))
-        self.btnPreviewStart.setMinimumSize(QtCore.QSize(44, 23))
-        self.btnPreviewStart.setMaximumSize(QtCore.QSize(44, 23))
-        self.btnPreviewStart.setObjectName("btnPreviewStart")
-        self.btnPreviewArm = QtWidgets.QPushButton(parent=self.groupBoxIntroControls)
-        self.btnPreviewArm.setGeometry(QtCore.QRect(44, 0, 44, 23))
-        self.btnPreviewArm.setMinimumSize(QtCore.QSize(44, 23))
-        self.btnPreviewArm.setMaximumSize(QtCore.QSize(44, 23))
-        self.btnPreviewArm.setText("")
-        icon2 = QtGui.QIcon()
-        icon2.addPixmap(
-            QtGui.QPixmap(":/icons/record-button.png"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        icon2.addPixmap(
-            QtGui.QPixmap(":/icons/record-red-button.png"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.On,
-        )
-        self.btnPreviewArm.setIcon(icon2)
-        self.btnPreviewArm.setCheckable(True)
-        self.btnPreviewArm.setObjectName("btnPreviewArm")
-        self.btnPreviewEnd = QtWidgets.QPushButton(parent=self.groupBoxIntroControls)
-        self.btnPreviewEnd.setGeometry(QtCore.QRect(88, 0, 44, 23))
-        self.btnPreviewEnd.setMinimumSize(QtCore.QSize(44, 23))
-        self.btnPreviewEnd.setMaximumSize(QtCore.QSize(44, 23))
-        self.btnPreviewEnd.setObjectName("btnPreviewEnd")
-        self.btnPreviewBack = QtWidgets.QPushButton(parent=self.groupBoxIntroControls)
-        self.btnPreviewBack.setGeometry(QtCore.QRect(0, 23, 44, 23))
-        self.btnPreviewBack.setMinimumSize(QtCore.QSize(44, 23))
-        self.btnPreviewBack.setMaximumSize(QtCore.QSize(44, 23))
-        self.btnPreviewBack.setObjectName("btnPreviewBack")
-        self.btnPreviewMark = QtWidgets.QPushButton(parent=self.groupBoxIntroControls)
-        self.btnPreviewMark.setEnabled(False)
-        self.btnPreviewMark.setGeometry(QtCore.QRect(44, 23, 44, 23))
-        self.btnPreviewMark.setMinimumSize(QtCore.QSize(44, 23))
-        self.btnPreviewMark.setMaximumSize(QtCore.QSize(44, 23))
-        self.btnPreviewMark.setText("")
-        icon3 = QtGui.QIcon()
-        icon3.addPixmap(
-            QtGui.QPixmap(":/icons/star.png"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.On,
-        )
-        icon3.addPixmap(
-            QtGui.QPixmap(":/icons/star_empty.png"),
-            QtGui.QIcon.Mode.Disabled,
-            QtGui.QIcon.State.Off,
-        )
-        self.btnPreviewMark.setIcon(icon3)
-        self.btnPreviewMark.setObjectName("btnPreviewMark")
-        self.btnPreviewFwd = QtWidgets.QPushButton(parent=self.groupBoxIntroControls)
-        self.btnPreviewFwd.setGeometry(QtCore.QRect(88, 23, 44, 23))
-        self.btnPreviewFwd.setMinimumSize(QtCore.QSize(44, 23))
-        self.btnPreviewFwd.setMaximumSize(QtCore.QSize(44, 23))
-        self.btnPreviewFwd.setObjectName("btnPreviewFwd")
-        self.verticalLayout_4.addWidget(self.groupBoxIntroControls)
-        self.horizontalLayout.addWidget(self.FadeStopInfoFrame)
-        self.frame_intro = QtWidgets.QFrame(parent=self.InfoFooterFrame)
-        self.frame_intro.setMinimumSize(QtCore.QSize(152, 112))
-        self.frame_intro.setStyleSheet("")
-        self.frame_intro.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.frame_intro.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.frame_intro.setObjectName("frame_intro")
-        self.verticalLayout_9 = QtWidgets.QVBoxLayout(self.frame_intro)
-        self.verticalLayout_9.setObjectName("verticalLayout_9")
-        self.label_7 = QtWidgets.QLabel(parent=self.frame_intro)
-        self.label_7.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
-        self.label_7.setObjectName("label_7")
-        self.verticalLayout_9.addWidget(self.label_7)
-        self.label_intro_timer = QtWidgets.QLabel(parent=self.frame_intro)
-        font = QtGui.QFont()
-        font.setFamily("FreeSans")
-        font.setPointSize(40)
-        font.setBold(False)
-        font.setWeight(50)
-        self.label_intro_timer.setFont(font)
-        self.label_intro_timer.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
-        self.label_intro_timer.setObjectName("label_intro_timer")
-        self.verticalLayout_9.addWidget(self.label_intro_timer)
-        self.horizontalLayout.addWidget(self.frame_intro)
-        self.frame_toggleplayed_3db = QtWidgets.QFrame(parent=self.InfoFooterFrame)
-        self.frame_toggleplayed_3db.setMinimumSize(QtCore.QSize(152, 112))
-        self.frame_toggleplayed_3db.setMaximumSize(QtCore.QSize(184, 16777215))
-        self.frame_toggleplayed_3db.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.frame_toggleplayed_3db.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.frame_toggleplayed_3db.setObjectName("frame_toggleplayed_3db")
-        self.verticalLayout_6 = QtWidgets.QVBoxLayout(self.frame_toggleplayed_3db)
-        self.verticalLayout_6.setObjectName("verticalLayout_6")
-        self.btnDrop3db = QtWidgets.QPushButton(parent=self.frame_toggleplayed_3db)
-        self.btnDrop3db.setMinimumSize(QtCore.QSize(132, 41))
-        self.btnDrop3db.setMaximumSize(QtCore.QSize(164, 16777215))
-        self.btnDrop3db.setCheckable(True)
-        self.btnDrop3db.setObjectName("btnDrop3db")
-        self.verticalLayout_6.addWidget(self.btnDrop3db)
-        self.btnHidePlayed = QtWidgets.QPushButton(parent=self.frame_toggleplayed_3db)
-        self.btnHidePlayed.setMinimumSize(QtCore.QSize(132, 41))
-        self.btnHidePlayed.setMaximumSize(QtCore.QSize(164, 16777215))
-        self.btnHidePlayed.setCheckable(True)
-        self.btnHidePlayed.setObjectName("btnHidePlayed")
-        self.verticalLayout_6.addWidget(self.btnHidePlayed)
-        self.horizontalLayout.addWidget(self.frame_toggleplayed_3db)
-        self.frame_fade = QtWidgets.QFrame(parent=self.InfoFooterFrame)
-        self.frame_fade.setMinimumSize(QtCore.QSize(152, 112))
-        self.frame_fade.setStyleSheet("")
-        self.frame_fade.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.frame_fade.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.frame_fade.setObjectName("frame_fade")
-        self.verticalLayout_2 = QtWidgets.QVBoxLayout(self.frame_fade)
-        self.verticalLayout_2.setObjectName("verticalLayout_2")
-        self.label_4 = QtWidgets.QLabel(parent=self.frame_fade)
-        self.label_4.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
-        self.label_4.setObjectName("label_4")
-        self.verticalLayout_2.addWidget(self.label_4)
-        self.label_fade_timer = QtWidgets.QLabel(parent=self.frame_fade)
-        font = QtGui.QFont()
-        font.setFamily("FreeSans")
-        font.setPointSize(40)
-        font.setBold(False)
-        font.setWeight(50)
-        self.label_fade_timer.setFont(font)
-        self.label_fade_timer.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
-        self.label_fade_timer.setObjectName("label_fade_timer")
-        self.verticalLayout_2.addWidget(self.label_fade_timer)
-        self.horizontalLayout.addWidget(self.frame_fade)
-        self.frame_silent = QtWidgets.QFrame(parent=self.InfoFooterFrame)
-        self.frame_silent.setMinimumSize(QtCore.QSize(152, 112))
-        self.frame_silent.setStyleSheet("")
-        self.frame_silent.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.frame_silent.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.frame_silent.setObjectName("frame_silent")
-        self.verticalLayout_7 = QtWidgets.QVBoxLayout(self.frame_silent)
-        self.verticalLayout_7.setObjectName("verticalLayout_7")
-        self.label_5 = QtWidgets.QLabel(parent=self.frame_silent)
-        self.label_5.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
-        self.label_5.setObjectName("label_5")
-        self.verticalLayout_7.addWidget(self.label_5)
-        self.label_silent_timer = QtWidgets.QLabel(parent=self.frame_silent)
-        font = QtGui.QFont()
-        font.setFamily("FreeSans")
-        font.setPointSize(40)
-        font.setBold(False)
-        font.setWeight(50)
-        self.label_silent_timer.setFont(font)
-        self.label_silent_timer.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
-        self.label_silent_timer.setObjectName("label_silent_timer")
-        self.verticalLayout_7.addWidget(self.label_silent_timer)
-        self.horizontalLayout.addWidget(self.frame_silent)
-        self.widgetFadeVolume = PlotWidget(parent=self.InfoFooterFrame)
-        sizePolicy = QtWidgets.QSizePolicy(
-            QtWidgets.QSizePolicy.Policy.Preferred,
-            QtWidgets.QSizePolicy.Policy.Preferred,
-        )
-        sizePolicy.setHorizontalStretch(1)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(
-            self.widgetFadeVolume.sizePolicy().hasHeightForWidth()
-        )
-        self.widgetFadeVolume.setSizePolicy(sizePolicy)
-        self.widgetFadeVolume.setMinimumSize(QtCore.QSize(0, 0))
-        self.widgetFadeVolume.setObjectName("widgetFadeVolume")
-        self.horizontalLayout.addWidget(self.widgetFadeVolume)
-        self.frame = QtWidgets.QFrame(parent=self.InfoFooterFrame)
-        self.frame.setMinimumSize(QtCore.QSize(151, 0))
-        self.frame.setMaximumSize(QtCore.QSize(151, 112))
-        self.frame.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.frame.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.frame.setObjectName("frame")
-        self.verticalLayout_5 = QtWidgets.QVBoxLayout(self.frame)
-        self.verticalLayout_5.setObjectName("verticalLayout_5")
-        self.btnFade = QtWidgets.QPushButton(parent=self.frame)
-        self.btnFade.setMinimumSize(QtCore.QSize(132, 32))
-        self.btnFade.setMaximumSize(QtCore.QSize(164, 16777215))
-        icon4 = QtGui.QIcon()
-        icon4.addPixmap(
-            QtGui.QPixmap(":/icons/fade"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.btnFade.setIcon(icon4)
-        self.btnFade.setIconSize(QtCore.QSize(30, 30))
-        self.btnFade.setObjectName("btnFade")
-        self.verticalLayout_5.addWidget(self.btnFade)
-        self.btnStop = QtWidgets.QPushButton(parent=self.frame)
-        self.btnStop.setMinimumSize(QtCore.QSize(0, 36))
-        icon5 = QtGui.QIcon()
-        icon5.addPixmap(
-            QtGui.QPixmap(":/icons/stopsign"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.btnStop.setIcon(icon5)
-        self.btnStop.setObjectName("btnStop")
-        self.verticalLayout_5.addWidget(self.btnStop)
-        self.horizontalLayout.addWidget(self.frame)
-        self.gridLayout_4.addWidget(self.InfoFooterFrame, 5, 0, 1, 1)
-        MainWindow.setCentralWidget(self.centralwidget)
-        self.menubar = QtWidgets.QMenuBar(parent=MainWindow)
-        self.menubar.setGeometry(QtCore.QRect(0, 0, 1280, 29))
-        self.menubar.setObjectName("menubar")
-        self.menuFile = QtWidgets.QMenu(parent=self.menubar)
-        self.menuFile.setObjectName("menuFile")
-        self.menuPlaylist = QtWidgets.QMenu(parent=self.menubar)
-        self.menuPlaylist.setObjectName("menuPlaylist")
-        self.menuSearc_h = QtWidgets.QMenu(parent=self.menubar)
-        self.menuSearc_h.setObjectName("menuSearc_h")
-        self.menuHelp = QtWidgets.QMenu(parent=self.menubar)
-        self.menuHelp.setObjectName("menuHelp")
-        MainWindow.setMenuBar(self.menubar)
-        self.statusbar = QtWidgets.QStatusBar(parent=MainWindow)
-        self.statusbar.setEnabled(True)
-        self.statusbar.setStyleSheet("background-color: rgb(211, 215, 207);")
-        self.statusbar.setObjectName("statusbar")
-        MainWindow.setStatusBar(self.statusbar)
-        self.actionPlay_next = QtGui.QAction(parent=MainWindow)
-        icon6 = QtGui.QIcon()
-        icon6.addPixmap(
-            QtGui.QPixmap("app/ui/../../../../../../.designer/backup/icon-play.png"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.actionPlay_next.setIcon(icon6)
-        self.actionPlay_next.setObjectName("actionPlay_next")
-        self.actionSkipToNext = QtGui.QAction(parent=MainWindow)
-        icon7 = QtGui.QIcon()
-        icon7.addPixmap(
-            QtGui.QPixmap(":/icons/next"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.actionSkipToNext.setIcon(icon7)
-        self.actionSkipToNext.setObjectName("actionSkipToNext")
-        self.actionInsertTrack = QtGui.QAction(parent=MainWindow)
-        icon8 = QtGui.QIcon()
-        icon8.addPixmap(
-            QtGui.QPixmap(
-                "app/ui/../../../../../../.designer/backup/icon_search_database.png"
-            ),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.actionInsertTrack.setIcon(icon8)
-        self.actionInsertTrack.setObjectName("actionInsertTrack")
-        self.actionAdd_file = QtGui.QAction(parent=MainWindow)
-        icon9 = QtGui.QIcon()
-        icon9.addPixmap(
-            QtGui.QPixmap(
-                "app/ui/../../../../../../.designer/backup/icon_open_file.png"
-            ),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.actionAdd_file.setIcon(icon9)
-        self.actionAdd_file.setObjectName("actionAdd_file")
-        self.actionFade = QtGui.QAction(parent=MainWindow)
-        icon10 = QtGui.QIcon()
-        icon10.addPixmap(
-            QtGui.QPixmap("app/ui/../../../../../../.designer/backup/icon-fade.png"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.actionFade.setIcon(icon10)
-        self.actionFade.setObjectName("actionFade")
-        self.actionStop = QtGui.QAction(parent=MainWindow)
-        icon11 = QtGui.QIcon()
-        icon11.addPixmap(
-            QtGui.QPixmap(":/icons/stop"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.actionStop.setIcon(icon11)
-        self.actionStop.setObjectName("actionStop")
-        self.action_Clear_selection = QtGui.QAction(parent=MainWindow)
-        self.action_Clear_selection.setObjectName("action_Clear_selection")
-        self.action_Resume_previous = QtGui.QAction(parent=MainWindow)
-        icon12 = QtGui.QIcon()
-        icon12.addPixmap(
-            QtGui.QPixmap(":/icons/previous"),
-            QtGui.QIcon.Mode.Normal,
-            QtGui.QIcon.State.Off,
-        )
-        self.action_Resume_previous.setIcon(icon12)
-        self.action_Resume_previous.setObjectName("action_Resume_previous")
-        self.actionE_xit = QtGui.QAction(parent=MainWindow)
-        self.actionE_xit.setObjectName("actionE_xit")
-        self.actionTest = QtGui.QAction(parent=MainWindow)
-        self.actionTest.setObjectName("actionTest")
-        self.actionOpenPlaylist = QtGui.QAction(parent=MainWindow)
-        self.actionOpenPlaylist.setObjectName("actionOpenPlaylist")
-        self.actionNewPlaylist = QtGui.QAction(parent=MainWindow)
-        self.actionNewPlaylist.setObjectName("actionNewPlaylist")
-        self.actionTestFunction = QtGui.QAction(parent=MainWindow)
-        self.actionTestFunction.setObjectName("actionTestFunction")
-        self.actionSkipToFade = QtGui.QAction(parent=MainWindow)
-        self.actionSkipToFade.setObjectName("actionSkipToFade")
-        self.actionSkipToEnd = QtGui.QAction(parent=MainWindow)
-        self.actionSkipToEnd.setObjectName("actionSkipToEnd")
-        self.actionClosePlaylist = QtGui.QAction(parent=MainWindow)
-        self.actionClosePlaylist.setEnabled(True)
-        self.actionClosePlaylist.setObjectName("actionClosePlaylist")
-        self.actionRenamePlaylist = QtGui.QAction(parent=MainWindow)
-        self.actionRenamePlaylist.setEnabled(True)
-        self.actionRenamePlaylist.setObjectName("actionRenamePlaylist")
-        self.actionDeletePlaylist = QtGui.QAction(parent=MainWindow)
-        self.actionDeletePlaylist.setEnabled(True)
-        self.actionDeletePlaylist.setObjectName("actionDeletePlaylist")
-        self.actionMoveSelected = QtGui.QAction(parent=MainWindow)
-        self.actionMoveSelected.setObjectName("actionMoveSelected")
-        self.actionExport_playlist = QtGui.QAction(parent=MainWindow)
-        self.actionExport_playlist.setObjectName("actionExport_playlist")
-        self.actionSetNext = QtGui.QAction(parent=MainWindow)
-        self.actionSetNext.setObjectName("actionSetNext")
-        self.actionSelect_next_track = QtGui.QAction(parent=MainWindow)
-        self.actionSelect_next_track.setObjectName("actionSelect_next_track")
-        self.actionSelect_previous_track = QtGui.QAction(parent=MainWindow)
-        self.actionSelect_previous_track.setObjectName("actionSelect_previous_track")
-        self.actionSelect_played_tracks = QtGui.QAction(parent=MainWindow)
-        self.actionSelect_played_tracks.setObjectName("actionSelect_played_tracks")
-        self.actionMoveUnplayed = QtGui.QAction(parent=MainWindow)
-        self.actionMoveUnplayed.setObjectName("actionMoveUnplayed")
-        self.actionAdd_note = QtGui.QAction(parent=MainWindow)
-        self.actionAdd_note.setObjectName("actionAdd_note")
-        self.actionEnable_controls = QtGui.QAction(parent=MainWindow)
-        self.actionEnable_controls.setObjectName("actionEnable_controls")
-        self.actionImport = QtGui.QAction(parent=MainWindow)
-        self.actionImport.setObjectName("actionImport")
-        self.actionDownload_CSV_of_played_tracks = QtGui.QAction(parent=MainWindow)
-        self.actionDownload_CSV_of_played_tracks.setObjectName(
-            "actionDownload_CSV_of_played_tracks"
-        )
-        self.actionSearch = QtGui.QAction(parent=MainWindow)
-        self.actionSearch.setObjectName("actionSearch")
-        self.actionInsertSectionHeader = QtGui.QAction(parent=MainWindow)
-        self.actionInsertSectionHeader.setObjectName("actionInsertSectionHeader")
-        self.actionRemove = QtGui.QAction(parent=MainWindow)
-        self.actionRemove.setObjectName("actionRemove")
-        self.actionFind_next = QtGui.QAction(parent=MainWindow)
-        self.actionFind_next.setObjectName("actionFind_next")
-        self.actionFind_previous = QtGui.QAction(parent=MainWindow)
-        self.actionFind_previous.setObjectName("actionFind_previous")
-        self.action_About = QtGui.QAction(parent=MainWindow)
-        self.action_About.setObjectName("action_About")
-        self.actionSave_as_template = QtGui.QAction(parent=MainWindow)
-        self.actionSave_as_template.setObjectName("actionSave_as_template")
-        self.actionManage_templates = QtGui.QAction(parent=MainWindow)
-        self.actionManage_templates.setObjectName("actionManage_templates")
-        self.actionDebug = QtGui.QAction(parent=MainWindow)
-        self.actionDebug.setObjectName("actionDebug")
-        self.actionAdd_cart = QtGui.QAction(parent=MainWindow)
-        self.actionAdd_cart.setObjectName("actionAdd_cart")
-        self.actionMark_for_moving = QtGui.QAction(parent=MainWindow)
-        self.actionMark_for_moving.setObjectName("actionMark_for_moving")
-        self.actionPaste = QtGui.QAction(parent=MainWindow)
-        self.actionPaste.setObjectName("actionPaste")
-        self.actionResume = QtGui.QAction(parent=MainWindow)
-        self.actionResume.setObjectName("actionResume")
-        self.actionSearch_title_in_Wikipedia = QtGui.QAction(parent=MainWindow)
-        self.actionSearch_title_in_Wikipedia.setObjectName(
-            "actionSearch_title_in_Wikipedia"
-        )
-        self.actionSearch_title_in_Songfacts = QtGui.QAction(parent=MainWindow)
-        self.actionSearch_title_in_Songfacts.setObjectName(
-            "actionSearch_title_in_Songfacts"
-        )
-        self.actionSelect_duplicate_rows = QtGui.QAction(parent=MainWindow)
-        self.actionSelect_duplicate_rows.setObjectName("actionSelect_duplicate_rows")
-        self.actionImport_files = QtGui.QAction(parent=MainWindow)
-        self.actionImport_files.setObjectName("actionImport_files")
-        self.menuFile.addSeparator()
-        self.menuFile.addAction(self.actionInsertTrack)
-        self.menuFile.addAction(self.actionRemove)
-        self.menuFile.addAction(self.actionInsertSectionHeader)
-        self.menuFile.addSeparator()
-        self.menuFile.addAction(self.actionMark_for_moving)
-        self.menuFile.addAction(self.actionPaste)
-        self.menuFile.addSeparator()
-        self.menuFile.addAction(self.actionExport_playlist)
-        self.menuFile.addAction(self.actionDownload_CSV_of_played_tracks)
-        self.menuFile.addSeparator()
-        self.menuFile.addAction(self.actionSelect_duplicate_rows)
-        self.menuFile.addAction(self.actionMoveSelected)
-        self.menuFile.addAction(self.actionMoveUnplayed)
-        self.menuFile.addAction(self.action_Clear_selection)
-        self.menuPlaylist.addSeparator()
-        self.menuPlaylist.addSeparator()
-        self.menuPlaylist.addAction(self.actionOpenPlaylist)
-        self.menuPlaylist.addAction(self.actionNewPlaylist)
-        self.menuPlaylist.addAction(self.actionClosePlaylist)
-        self.menuPlaylist.addAction(self.actionRenamePlaylist)
-        self.menuPlaylist.addAction(self.actionDeletePlaylist)
-        self.menuPlaylist.addSeparator()
-        self.menuPlaylist.addAction(self.actionSave_as_template)
-        self.menuPlaylist.addAction(self.actionManage_templates)
-        self.menuPlaylist.addSeparator()
-        self.menuPlaylist.addAction(self.actionImport_files)
-        self.menuPlaylist.addSeparator()
-        self.menuPlaylist.addAction(self.actionE_xit)
-        self.menuSearc_h.addAction(self.actionSetNext)
-        self.menuSearc_h.addAction(self.actionPlay_next)
-        self.menuSearc_h.addAction(self.actionFade)
-        self.menuSearc_h.addAction(self.actionStop)
-        self.menuSearc_h.addAction(self.actionResume)
-        self.menuSearc_h.addAction(self.actionSkipToNext)
-        self.menuSearc_h.addSeparator()
-        self.menuSearc_h.addAction(self.actionSearch)
-        self.menuSearc_h.addAction(self.actionSearch_title_in_Wikipedia)
-        self.menuSearc_h.addAction(self.actionSearch_title_in_Songfacts)
-        self.menuHelp.addAction(self.action_About)
-        self.menuHelp.addAction(self.actionDebug)
-        self.menubar.addAction(self.menuPlaylist.menuAction())
-        self.menubar.addAction(self.menuFile.menuAction())
-        self.menubar.addAction(self.menuSearc_h.menuAction())
-        self.menubar.addAction(self.menuHelp.menuAction())
-
-        self.retranslateUi(MainWindow)
-        self.tabPlaylist.setCurrentIndex(-1)
-        self.tabInfolist.setCurrentIndex(-1)
-        self.actionE_xit.triggered.connect(MainWindow.close)  # type: ignore
-        QtCore.QMetaObject.connectSlotsByName(MainWindow)
-
-    def retranslateUi(self, MainWindow):
-        _translate = QtCore.QCoreApplication.translate
-        MainWindow.setWindowTitle(_translate("MainWindow", "Music Muster"))
-        self.previous_track_2.setText(_translate("MainWindow", "Last track:"))
-        self.current_track_2.setText(_translate("MainWindow", "Current track:"))
-        self.next_track_2.setText(_translate("MainWindow", "Next track:"))
-        self.lblTOD.setText(_translate("MainWindow", "00:00:00"))
-        self.label_elapsed_timer.setText(_translate("MainWindow", "00:00 / 00:00"))
-        self.btnPreview.setText(_translate("MainWindow", "  Preview"))
-        self.btnPreviewStart.setText(_translate("MainWindow", "<<"))
-        self.btnPreviewEnd.setText(_translate("MainWindow", ">>"))
-        self.btnPreviewBack.setText(_translate("MainWindow", "<"))
-        self.btnPreviewFwd.setText(_translate("MainWindow", ">"))
-        self.label_7.setText(_translate("MainWindow", "Intro"))
-        self.label_intro_timer.setText(_translate("MainWindow", "0:0"))
-        self.btnDrop3db.setText(_translate("MainWindow", "-3dB to talk"))
-        self.btnHidePlayed.setText(_translate("MainWindow", "Hide played"))
-        self.label_4.setText(_translate("MainWindow", "Fade"))
-        self.label_fade_timer.setText(_translate("MainWindow", "00:00"))
-        self.label_5.setText(_translate("MainWindow", "Silent"))
-        self.label_silent_timer.setText(_translate("MainWindow", "00:00"))
-        self.btnFade.setText(_translate("MainWindow", "  Fade"))
-        self.btnStop.setText(_translate("MainWindow", "  Stop"))
-        self.menuFile.setTitle(_translate("MainWindow", "&Playlist"))
-        self.menuPlaylist.setTitle(_translate("MainWindow", "&File"))
-        self.menuSearc_h.setTitle(_translate("MainWindow", "&Music"))
-        self.menuHelp.setTitle(_translate("MainWindow", "Help"))
-        self.actionPlay_next.setText(_translate("MainWindow", "&Play next"))
-        self.actionPlay_next.setShortcut(_translate("MainWindow", "Return"))
-        self.actionSkipToNext.setText(_translate("MainWindow", "Skip to &next"))
-        self.actionSkipToNext.setShortcut(_translate("MainWindow", "Ctrl+Alt+Return"))
-        self.actionInsertTrack.setText(_translate("MainWindow", "Insert &track..."))
-        self.actionInsertTrack.setShortcut(_translate("MainWindow", "Ctrl+T"))
-        self.actionAdd_file.setText(_translate("MainWindow", "Add &file"))
-        self.actionAdd_file.setShortcut(_translate("MainWindow", "Ctrl+F"))
-        self.actionFade.setText(_translate("MainWindow", "F&ade"))
-        self.actionFade.setShortcut(_translate("MainWindow", "Ctrl+Z"))
-        self.actionStop.setText(_translate("MainWindow", "S&top"))
-        self.actionStop.setShortcut(_translate("MainWindow", "Ctrl+Alt+S"))
-        self.action_Clear_selection.setText(
-            _translate("MainWindow", "Clear &selection")
-        )
-        self.action_Clear_selection.setShortcut(_translate("MainWindow", "Esc"))
-        self.action_Resume_previous.setText(
-            _translate("MainWindow", "&Resume previous")
-        )
-        self.actionE_xit.setText(_translate("MainWindow", "E&xit"))
-        self.actionTest.setText(_translate("MainWindow", "&Test"))
-        self.actionOpenPlaylist.setText(_translate("MainWindow", "O&pen..."))
-        self.actionNewPlaylist.setText(_translate("MainWindow", "&New..."))
-        self.actionTestFunction.setText(_translate("MainWindow", "&Test function"))
-        self.actionSkipToFade.setText(
-            _translate("MainWindow", "&Skip to start of fade")
-        )
-        self.actionSkipToEnd.setText(_translate("MainWindow", "Skip to &end of track"))
-        self.actionClosePlaylist.setText(_translate("MainWindow", "&Close"))
-        self.actionRenamePlaylist.setText(_translate("MainWindow", "&Rename..."))
-        self.actionDeletePlaylist.setText(_translate("MainWindow", "Dele&te..."))
-        self.actionMoveSelected.setText(
-            _translate("MainWindow", "Mo&ve selected tracks to...")
-        )
-        self.actionExport_playlist.setText(_translate("MainWindow", "E&xport..."))
-        self.actionSetNext.setText(_translate("MainWindow", "Set &next"))
-        self.actionSetNext.setShortcut(_translate("MainWindow", "Ctrl+N"))
-        self.actionSelect_next_track.setText(
-            _translate("MainWindow", "Select next track")
-        )
-        self.actionSelect_next_track.setShortcut(_translate("MainWindow", "J"))
-        self.actionSelect_previous_track.setText(
-            _translate("MainWindow", "Select previous track")
-        )
-        self.actionSelect_previous_track.setShortcut(_translate("MainWindow", "K"))
-        self.actionSelect_played_tracks.setText(
-            _translate("MainWindow", "Select played tracks")
-        )
-        self.actionMoveUnplayed.setText(
-            _translate("MainWindow", "Move &unplayed tracks to...")
-        )
-        self.actionAdd_note.setText(_translate("MainWindow", "Add note..."))
-        self.actionAdd_note.setShortcut(_translate("MainWindow", "Ctrl+T"))
-        self.actionEnable_controls.setText(_translate("MainWindow", "Enable controls"))
-        self.actionImport.setText(_translate("MainWindow", "Import track..."))
-        self.actionImport.setShortcut(_translate("MainWindow", "Ctrl+Shift+I"))
-        self.actionDownload_CSV_of_played_tracks.setText(
-            _translate("MainWindow", "Download CSV of played tracks...")
-        )
-        self.actionSearch.setText(_translate("MainWindow", "Search..."))
-        self.actionSearch.setShortcut(_translate("MainWindow", "/"))
-        self.actionInsertSectionHeader.setText(
-            _translate("MainWindow", "Insert &section header...")
-        )
-        self.actionInsertSectionHeader.setShortcut(_translate("MainWindow", "Ctrl+H"))
-        self.actionRemove.setText(_translate("MainWindow", "&Remove track"))
-        self.actionFind_next.setText(_translate("MainWindow", "Find next"))
-        self.actionFind_next.setShortcut(_translate("MainWindow", "N"))
-        self.actionFind_previous.setText(_translate("MainWindow", "Find previous"))
-        self.actionFind_previous.setShortcut(_translate("MainWindow", "P"))
-        self.action_About.setText(_translate("MainWindow", "&About"))
-        self.actionSave_as_template.setText(
-            _translate("MainWindow", "Save as template...")
-        )
-        self.actionManage_templates.setText(
-            _translate("MainWindow", "Manage templates...")
-        )
-        self.actionDebug.setText(_translate("MainWindow", "Debug"))
-        self.actionAdd_cart.setText(_translate("MainWindow", "Edit cart &1..."))
-        self.actionMark_for_moving.setText(_translate("MainWindow", "Mark for moving"))
-        self.actionMark_for_moving.setShortcut(_translate("MainWindow", "Ctrl+C"))
-        self.actionPaste.setText(_translate("MainWindow", "Paste"))
-        self.actionPaste.setShortcut(_translate("MainWindow", "Ctrl+V"))
-        self.actionResume.setText(_translate("MainWindow", "Resume"))
-        self.actionResume.setShortcut(_translate("MainWindow", "Ctrl+R"))
-        self.actionSearch_title_in_Wikipedia.setText(
-            _translate("MainWindow", "Search title in Wikipedia")
-        )
-        self.actionSearch_title_in_Wikipedia.setShortcut(
-            _translate("MainWindow", "Ctrl+W")
-        )
-        self.actionSearch_title_in_Songfacts.setText(
-            _translate("MainWindow", "Search title in Songfacts")
-        )
-        self.actionSearch_title_in_Songfacts.setShortcut(
-            _translate("MainWindow", "Ctrl+S")
-        )
-        self.actionSelect_duplicate_rows.setText(
-            _translate("MainWindow", "Select duplicate rows...")
-        )
-        self.actionImport_files.setText(_translate("MainWindow", "Import files..."))
-
-
-from infotabs import InfoTabs
-from pyqtgraph import PlotWidget  # type: ignore

audacity_tester.py

@@ -1,73 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""Tests the audacity pipe.
-Keep pipe_test.py short!!
-You can make more complicated longer tests to test other functionality
-or to generate screenshots etc in other scripts.
-Make sure Audacity is running first and that mod-script-pipe is enabled
-before running this script.
-Requires Python 2.7 or later. Python 3 is strongly recommended.
-"""
-
-import os
-import sys
-
-
-if sys.platform == 'win32':
-    print("pipe-test.py, running on windows")
-    TONAME = '\\\\.\\pipe\\ToSrvPipe'
-    FROMNAME = '\\\\.\\pipe\\FromSrvPipe'
-    EOL = '\r\n\0'
-else:
-    print("pipe-test.py, running on linux or mac")
-    TONAME = '/tmp/audacity_script_pipe.to.' + str(os.getuid())
-    FROMNAME = '/tmp/audacity_script_pipe.from.' + str(os.getuid())
-    EOL = '\n'
-
-print("Write to  \"" + TONAME + "\"")
-if not os.path.exists(TONAME):
-    print(" does not exist. Ensure Audacity is running with mod-script-pipe.")
-    sys.exit()
-
-print("Read from \"" + FROMNAME + "\"")
-if not os.path.exists(FROMNAME):
-    print(" does not exist.  Ensure Audacity is running with mod-script-pipe.")
-    sys.exit()
-
-print("-- Both pipes exist.  Good.")
-
-TOFILE = open(TONAME, 'w')
-print("-- File to write to has been opened")
-FROMFILE = open(FROMNAME, 'rt')
-print("-- File to read from has now been opened too\r\n")
-
-
-def send_command(command):
-    """Send a single command."""
-    print("Send: >>> \n"+command)
-    TOFILE.write(command + EOL)
-    TOFILE.flush()
-
-
-def get_response():
-    """Return the command response."""
-    result = ''
-    line = ''
-    while True:
-        result += line
-        line = FROMFILE.readline()
-        if line == '\n' and len(result) > 0:
-            break
-    return result
-
-
-def do_command(command):
-    """Send one command, and return the response."""
-    send_command(command)
-    response = get_response()
-    print("Rcvd: <<< \n" + response)
-    return response
-
-
-do_command('Import2: Filename=/home/kae/git/musicmuster/archive/boot.flac')

devnotes.txt

@@ -1 +0,0 @@
-Run Flake8 and Black

migrations/versions/04df697e40cd_add_favouirit_to_playlists.py

@@ -0,0 +1,58 @@
+"""add favouirit to playlists
+
+Revision ID: 04df697e40cd
+Revises: 33c04e3c12c8
+Create Date: 2025-02-22 20:20:45.030024
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision = '04df697e40cd'
+down_revision = '33c04e3c12c8'
+branch_labels = None
+depends_on = None
+
+
+def upgrade(engine_name: str) -> None:
+    globals()["upgrade_%s" % engine_name]()
+
+
+def downgrade(engine_name: str) -> None:
+    globals()["downgrade_%s" % engine_name]()
+
+
+
+
+
+def upgrade_() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('notecolours', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('strip_substring', sa.Boolean(), nullable=False))
+        batch_op.create_index(batch_op.f('ix_notecolours_substring'), ['substring'], unique=False)
+
+    with op.batch_alter_table('playlist_rows', schema=None) as batch_op:
+        batch_op.drop_constraint('playlist_rows_ibfk_1', type_='foreignkey')
+
+    with op.batch_alter_table('playlists', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('favourite', sa.Boolean(), nullable=False))
+
+    # ### end Alembic commands ###
+
+
+def downgrade_() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('playlists', schema=None) as batch_op:
+        batch_op.drop_column('favourite')
+
+    with op.batch_alter_table('playlist_rows', schema=None) as batch_op:
+        batch_op.create_foreign_key('playlist_rows_ibfk_1', 'tracks', ['track_id'], ['id'])
+
+    with op.batch_alter_table('notecolours', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_notecolours_substring'))
+        batch_op.drop_column('strip_substring')
+
+    # ### end Alembic commands ###
+

migrations/versions/4fc2a9a82ab0_create_queries_table.py

@@ -0,0 +1,47 @@
+"""create queries table
+
+Revision ID: 4fc2a9a82ab0
+Revises: ab475332d873
+Create Date: 2025-02-26 13:13:25.118489
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import dbtables
+
+
+# revision identifiers, used by Alembic.
+revision = '4fc2a9a82ab0'
+down_revision = 'ab475332d873'
+branch_labels = None
+depends_on = None
+
+
+def upgrade(engine_name: str) -> None:
+    globals()["upgrade_%s" % engine_name]()
+
+
+def downgrade(engine_name: str) -> None:
+    globals()["downgrade_%s" % engine_name]()
+
+
+
+
+
+def upgrade_() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('queries',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.String(length=128), nullable=False),
+    sa.Column('filter_data', dbtables.JSONEncodedDict(), nullable=False),
+    sa.Column('favourite', sa.Boolean(), nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade_() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('queries')
+    # ### end Alembic commands ###
+

migrations/versions/ab475332d873_fix_playdates_cascades.py

@@ -0,0 +1,46 @@
+"""fix playlist cascades
+
+Revision ID: ab475332d873
+Revises: 04df697e40cd
+Create Date: 2025-02-26 13:11:15.417278
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'ab475332d873'
+down_revision = '04df697e40cd'
+branch_labels = None
+depends_on = None
+
+
+def upgrade(engine_name: str) -> None:
+    globals()["upgrade_%s" % engine_name]()
+
+
+def downgrade(engine_name: str) -> None:
+    globals()["downgrade_%s" % engine_name]()
+
+
+
+
+
+def upgrade_() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('playdates', schema=None) as batch_op:
+        batch_op.drop_constraint('fk_playdates_track_id_tracks', type_='foreignkey')
+        batch_op.create_foreign_key(None, 'tracks', ['track_id'], ['id'], ondelete='CASCADE')
+
+    # ### end Alembic commands ###
+
+
+def downgrade_() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('playdates', schema=None) as batch_op:
+        batch_op.drop_constraint(None, type_='foreignkey')
+        batch_op.create_foreign_key('fk_playdates_track_id_tracks', 'tracks', ['track_id'], ['id'])
+
+    # ### end Alembic commands ###
+

mmimport

@@ -1,6 +0,0 @@
-#!/bin/bash
-# cd /home/kae/mm
-# MYSQL_CONNECT="mysql+mysqldb://musicmuster:musicmuster@localhost/musicmuster_prod" ROOT="/home/kae/music" direnv exec . 
-for file in "$@"; do
-        app/songdb.py -i "$file"
-done

pyproject.toml

@@ -2,11 +2,9 @@
 name = "musicmuster"
 version = "4.1.10"
 description = "Music player for internet radio"
-authors = [
-    { name = "Keith Edmunds", email = "kae@midnighthax.com" }
-]
+authors = [{ name = "Keith Edmunds", email = "kae@midnighthax.com" }]
+requires-python = ">=3.13,<4"
 readme = "README.md"
-requires-python = ">=3.11,<4.0"
 dependencies = [
     "alchemical>=1.0.2",
     "alembic>=1.14.0",
@@ -31,27 +29,35 @@ dependencies = [
     "tinytag>=1.10.1",
     "types-psutil>=6.0.0.20240621",
     "pyyaml (>=6.0.2,<7.0.0)",
+    "audioop-lts>=0.2.1",
+    "types-pyyaml>=6.0.12.20241230",
+    "dogpile-cache>=1.3.4",
+    "pdbpp>=0.10.3",
+    "filetype>=1.2.0",
+    "black>=25.1.0",
+    "slugify>=0.0.1",
 ]
 
+[dependency-groups]
+dev = [
+    "flakehell>=0.9.0,<0.10",
+    "ipdb>=0.13.9,<0.14",
+    "line-profiler>=4.2.0,<5",
+    "mypy>=1.15.0,<2",
+    "pudb",
+    "pydub-stubs>=0.25.1,<0.26",
+    "pytest>=8.3.4,<9",
+    "pytest-qt>=4.4.0,<5",
+    "black>=25.1.0,<26",
+    "pytest-cov>=6.0.0,<7",
+]
 
-[tool.poetry]
-package-mode = false
-
-[tool.poetry.group.dev.dependencies]
-flakehell = "^0.9.0"
-ipdb = "^0.13.9"
-line-profiler = "^4.2.0"
-mypy = "^1.15.0"
-pudb = "*"
-pydub-stubs = "^0.25.1"
-pytest = "^8.3.4"
-pytest-qt = "^4.4.0"
-black = "^25.1.0"
-pytest-cov = "^6.0.0"
+[tool.uv]
+package = false
 
 [build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"
+requires = ["hatchling"]
+build-backend = "hatchling.build"
 
 [tool.mypy]
 mypy_path = "/home/kae/git/musicmuster/app"
@@ -60,6 +66,9 @@ python_version = 3.11
 warn_unused_configs = true
 disallow_incomplete_defs = true
 
+[tool.pylsp.plugins.pycodestyle]
+maxLineLength = 88
+
 [tool.pytest.ini_options]
 addopts = "--exitfirst --showlocals --capture=no"
 pythonpath = [".", "app"]

tests/test_file_importer.py

@@ -57,8 +57,8 @@ class MyTestCase(unittest.TestCase):
         # Create a playlist for all tests
         playlist_name = "file importer playlist"
         with db.Session() as session:
-            playlist = Playlists(session, playlist_name)
-            cls.widget.create_playlist_tab(playlist)
+            playlist = Playlists(session=session, name=playlist_name, template_id=0)
+            cls.widget._open_playlist(playlist)
 
         # Create our musicstore
         cls.import_source = tempfile.mkdtemp(suffix="_MMsource_pytest", dir="/tmp")

tests/test_models.py

@@ -21,7 +21,9 @@ from app.models import (
 
 class TestMMModels(unittest.TestCase):
     def setUp(self):
+        """Runs before each test"""
         db.create_all()
+        NoteColours.invalidate_cache()
 
         with db.Session() as session:
             track1_path = "testdata/isa.mp3"
@@ -31,6 +33,7 @@ class TestMMModels(unittest.TestCase):
             self.track2 = Tracks(session, **helpers.get_all_track_metadata(track2_path))
 
     def tearDown(self):
+        """Runs after each test"""
         db.drop_all()
 
     def test_track_repr(self):
@@ -70,7 +73,7 @@ class TestMMModels(unittest.TestCase):
             NoteColours(session, substring="substring", colour=note_colour)
 
             result = NoteColours.get_colour(session, "xyz")
-            assert result is None
+            assert result == ""
 
     def test_notecolours_get_colour_match(self):
         note_colour = "#4bcdef"
@@ -108,7 +111,7 @@ class TestMMModels(unittest.TestCase):
         TEMPLATE_NAME = "my template"
 
         with db.Session() as session:
-            playlist = Playlists(session, "my playlist")
+            playlist = Playlists(session, "my playlist", template_id=0)
             assert playlist
             # test repr
             _ = str(playlist)
@@ -119,23 +122,18 @@ class TestMMModels(unittest.TestCase):
             # create template
             Playlists.save_as_template(session, playlist.id, TEMPLATE_NAME)
 
-            # test create template
-            _ = Playlists.create_playlist_from_template(
-                session, playlist, "my new name"
-            )
-
             # get all templates
             all_templates = Playlists.get_all_templates(session)
             assert len(all_templates) == 1
             # Save as template creates new playlist
             assert all_templates[0] != playlist
             # test delete playlist
-            playlist.delete(session)
+            session.delete(playlist)
 
     def test_playlist_open_and_close(self):
         # We need a playlist
         with db.Session() as session:
-            playlist = Playlists(session, "my playlist")
+            playlist = Playlists(session, "my playlist", template_id=0)
 
             assert len(Playlists.get_open(session)) == 0
             assert len(Playlists.get_closed(session)) == 1
@@ -155,8 +153,8 @@ class TestMMModels(unittest.TestCase):
         p1_name = "playlist one"
         p2_name = "playlist two"
         with db.Session() as session:
-            playlist1 = Playlists(session, p1_name)
-            _ = Playlists(session, p2_name)
+            playlist1 = Playlists(session, p1_name, template_id=0)
+            _ = Playlists(session, p2_name, template_id=0)
 
             all_playlists = Playlists.get_all(session)
             assert len(all_playlists) == 2
@@ -205,7 +203,7 @@ class TestMMModels(unittest.TestCase):
             nc = NoteColours(session, substring="x", colour="x")
             _ = str(nc)
 
-    def test_get_colour(self):
+    def test_get_colour_1(self):
         """Test for errors in execution"""
 
         GOOD_STRING = "cantelope"
@@ -218,22 +216,42 @@ class TestMMModels(unittest.TestCase):
                 session, substring=SUBSTR, colour=COLOUR, is_casesensitive=True
             )
 
+            session.commit()
             _ = nc1.get_colour(session, "")
             colour = nc1.get_colour(session, GOOD_STRING)
             assert colour == COLOUR
 
             colour = nc1.get_colour(session, BAD_STRING)
-            assert colour is None
+            assert colour == ""
 
+    def test_get_colour_2(self):
+        """Test for errors in execution"""
+
+        GOOD_STRING = "cantelope"
+        BAD_STRING = "ericTheBee"
+        SUBSTR = "ant"
+        COLOUR = "blue"
+
+        with db.Session() as session:
             nc2 = NoteColours(
                 session, substring=".*" + SUBSTR, colour=COLOUR, is_regex=True
             )
+            session.commit()
             colour = nc2.get_colour(session, GOOD_STRING)
             assert colour == COLOUR
 
             colour = nc2.get_colour(session, BAD_STRING)
-            assert colour is None
+            assert colour == ""
 
+    def test_get_colour_3(self):
+        """Test for errors in execution"""
+
+        GOOD_STRING = "cantelope"
+        BAD_STRING = "ericTheBee"
+        SUBSTR = "ant"
+        COLOUR = "blue"
+
+        with db.Session() as session:
             nc3 = NoteColours(
                 session,
                 substring=".*" + SUBSTR,
@@ -241,12 +259,13 @@ class TestMMModels(unittest.TestCase):
                 is_regex=True,
                 is_casesensitive=True,
             )
+            session.commit()
 
             colour = nc3.get_colour(session, GOOD_STRING)
             assert colour == COLOUR
 
             colour = nc3.get_colour(session, BAD_STRING)
-            assert colour is None
+            assert colour == ""
 
     def test_name_available(self):
         PLAYLIST_NAME = "a name"
@@ -254,7 +273,7 @@ class TestMMModels(unittest.TestCase):
 
         with db.Session() as session:
             if Playlists.name_is_available(session, PLAYLIST_NAME):
-                playlist = Playlists(session, PLAYLIST_NAME)
+                playlist = Playlists(session, PLAYLIST_NAME, template_id=0)
                 assert playlist
 
             assert Playlists.name_is_available(session, PLAYLIST_NAME) is False
@@ -266,7 +285,7 @@ class TestMMModels(unittest.TestCase):
 
         with db.Session() as session:
             if Playlists.name_is_available(session, PLAYLIST_NAME):
-                playlist = Playlists(session, PLAYLIST_NAME)
+                playlist = Playlists(session=session, name=PLAYLIST_NAME, template_id=0)
 
             plr = PlaylistRows(session, playlist.id, 1)
             assert plr
@@ -279,7 +298,7 @@ class TestMMModels(unittest.TestCase):
 
         with db.Session() as session:
             if Playlists.name_is_available(session, PLAYLIST_NAME):
-                playlist = Playlists(session, PLAYLIST_NAME)
+                playlist = Playlists(session=session, name=PLAYLIST_NAME, template_id=0)
 
             plr = PlaylistRows(session, playlist.id, 1)
             assert plr

tests/test_playlistmodel.py

@@ -34,8 +34,8 @@ class TestMMMiscTracks(unittest.TestCase):
 
         # Create a playlist and model
         with db.Session() as session:
-            self.playlist = Playlists(session, PLAYLIST_NAME)
-            self.model = playlistmodel.PlaylistModel(self.playlist.id)
+            self.playlist = Playlists(session, PLAYLIST_NAME, template_id=0)
+            self.model = playlistmodel.PlaylistModel(self.playlist.id, is_template=False)
 
             for row in range(len(self.test_tracks)):
                 track_path = self.test_tracks[row % len(self.test_tracks)]
@@ -66,10 +66,10 @@ class TestMMMiscTracks(unittest.TestCase):
         self.model.insert_row(proposed_row_number=END_ROW, note="-")
 
         prd = self.model.playlist_rows[START_ROW]
-        qv_value = self.model.display_role(
+        qv_value = self.model._display_role(
             START_ROW, playlistmodel.HEADER_NOTES_COLUMN, prd
         )
-        assert qv_value.value() == "start [1 tracks, 4:23 unplayed]"
+        assert qv_value == "start [1 tracks, 4:23 unplayed]"
 
 
 class TestMMMiscNoPlaylist(unittest.TestCase):
@@ -93,9 +93,9 @@ class TestMMMiscNoPlaylist(unittest.TestCase):
     def test_insert_track_new_playlist(self):
         # insert a track into a new playlist
         with db.Session() as session:
-            playlist = Playlists(session, self.PLAYLIST_NAME)
+            playlist = Playlists(session, self.PLAYLIST_NAME, template_id=0)
             # Create a model
-            model = playlistmodel.PlaylistModel(playlist.id)
+            model = playlistmodel.PlaylistModel(playlist.id, is_template=False)
             # test repr
             _ = str(model)
 
@@ -109,7 +109,7 @@ class TestMMMiscNoPlaylist(unittest.TestCase):
             _ = str(prd)
 
             assert (
-                model.edit_role(
+                model._edit_role(
                     model.rowCount() - 1, playlistmodel.Col.TITLE.value, prd
                 )
                 == metadata["title"]
@@ -124,8 +124,8 @@ class TestMMMiscRowMove(unittest.TestCase):
         db.create_all()
 
         with db.Session() as session:
-            self.playlist = Playlists(session, self.PLAYLIST_NAME)
-            self.model = playlistmodel.PlaylistModel(self.playlist.id)
+            self.playlist = Playlists(session, self.PLAYLIST_NAME, template_id=0)
+            self.model = playlistmodel.PlaylistModel(self.playlist.id, is_template=False)
             for row in range(self.ROWS_TO_CREATE):
                 self.model.insert_row(proposed_row_number=row, note=str(row))
 
@@ -262,7 +262,7 @@ class TestMMMiscRowMove(unittest.TestCase):
         # Test against edit_role because display_role for headers is
         # handled differently (sets up row span)
         assert (
-            self.model.edit_role(
+            self.model._edit_role(
                 self.model.rowCount() - 1, playlistmodel.Col.NOTE.value, prd
             )
             == note_text
@@ -280,7 +280,7 @@ class TestMMMiscRowMove(unittest.TestCase):
         # Test against edit_role because display_role for headers is
         # handled differently (sets up row span)
         assert (
-            self.model.edit_role(
+            self.model._edit_role(
                 self.model.rowCount() - 1, playlistmodel.Col.NOTE.value, prd
             )
             == note_text
@@ -318,8 +318,8 @@ class TestMMMiscRowMove(unittest.TestCase):
 
         model_src = self.model
         with db.Session() as session:
-            playlist_dst = Playlists(session, destination_playlist)
-            model_dst = playlistmodel.PlaylistModel(playlist_dst.id)
+            playlist_dst = Playlists(session, destination_playlist, template_id=0)
+            model_dst = playlistmodel.PlaylistModel(playlist_dst.id, is_template=False)
             for row in range(self.ROWS_TO_CREATE):
                 model_dst.insert_row(proposed_row_number=row, note=str(row))
 
@@ -339,8 +339,8 @@ class TestMMMiscRowMove(unittest.TestCase):
 
         model_src = self.model
         with db.Session() as session:
-            playlist_dst = Playlists(session, destination_playlist)
-            model_dst = playlistmodel.PlaylistModel(playlist_dst.id)
+            playlist_dst = Playlists(session, destination_playlist, template_id=0)
+            model_dst = playlistmodel.PlaylistModel(playlist_dst.id, is_template=False)
             for row in range(self.ROWS_TO_CREATE):
                 model_dst.insert_row(proposed_row_number=row, note=str(row))
 
@@ -353,7 +353,7 @@ class TestMMMiscRowMove(unittest.TestCase):
             index = model_dst.index(
                 row_number, playlistmodel.Col.TITLE.value, QModelIndex()
             )
-            row_notes.append(model_dst.data(index, Qt.ItemDataRole.EditRole).value())
+            row_notes.append(model_dst.data(index, Qt.ItemDataRole.EditRole))
 
         assert len(model_src.playlist_rows) == self.ROWS_TO_CREATE - len(from_rows)
         assert len(model_dst.playlist_rows) == self.ROWS_TO_CREATE + len(from_rows)
@@ -366,8 +366,8 @@ class TestMMMiscRowMove(unittest.TestCase):
 
         model_src = self.model
         with db.Session() as session:
-            playlist_dst = Playlists(session, destination_playlist)
-            model_dst = playlistmodel.PlaylistModel(playlist_dst.id)
+            playlist_dst = Playlists(session, destination_playlist, template_id=0)
+            model_dst = playlistmodel.PlaylistModel(playlist_dst.id, is_template=False)
             for row in range(self.ROWS_TO_CREATE):
                 model_dst.insert_row(proposed_row_number=row, note=str(row))
 
@@ -380,7 +380,7 @@ class TestMMMiscRowMove(unittest.TestCase):
             index = model_dst.index(
                 row_number, playlistmodel.Col.TITLE.value, QModelIndex()
             )
-            row_notes.append(model_dst.data(index, Qt.ItemDataRole.EditRole).value())
+            row_notes.append(model_dst.data(index, Qt.ItemDataRole.EditRole))
 
         assert len(model_src.playlist_rows) == self.ROWS_TO_CREATE - len(from_rows)
         assert len(model_dst.playlist_rows) == self.ROWS_TO_CREATE + len(from_rows)

tests/test_queries.py

@@ -0,0 +1,130 @@
+# Standard library imports
+import datetime as dt
+import unittest
+
+# PyQt imports
+
+
+# Third party imports
+
+# App imports
+from app.models import (
+    db,
+    Playdates,
+    Tracks,
+)
+from classes import (
+    Filter,
+)
+
+
+class MyTestCase(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        """Runs once before any test in this class"""
+
+        db.create_all()
+
+        with db.Session() as session:
+            # Create some track entries
+            _ = Tracks(**dict(
+                session=session,
+                artist="a",
+                bitrate=0,
+                duration=100,
+                fade_at=0,
+                path="/alpha/bravo/charlie",
+                silence_at=0,
+                start_gap=0,
+                title="abc"
+            ))
+            track2 = Tracks(**dict(
+                session=session,
+                artist="a",
+                bitrate=0,
+                duration=100,
+                fade_at=0,
+                path="/xray/yankee/zulu",
+                silence_at=0,
+                start_gap=0,
+                title="xyz"
+            ))
+            track2_id = track2.id
+            # Add playdates
+            # Track 2 played just over a year ago
+            just_over_a_year_ago = dt.datetime.now() - dt.timedelta(days=367)
+            _ = Playdates(session, track2_id, when=just_over_a_year_ago)
+
+    @classmethod
+    def tearDownClass(cls):
+        """Runs once after all tests"""
+
+        db.drop_all()
+
+    def setUp(self):
+        """Runs before each test"""
+
+        pass
+
+    def tearDown(self):
+        """Runs after each test"""
+
+        pass
+
+    def test_search_path_1(self):
+        """Search for unplayed track"""
+
+        filter = Filter(path="alpha", last_played_comparator="never")
+
+        with db.Session() as session:
+            results = Tracks.get_filtered_tracks(session, filter)
+            assert len(results) == 1
+            assert 'alpha' in results[0].path
+
+    def test_search_path_2(self):
+        """Search for unplayed track that doesn't exist"""
+
+        filter = Filter(path="xray", last_played_comparator="never")
+
+        with db.Session() as session:
+            results = Tracks.get_filtered_tracks(session, filter)
+            assert len(results) == 0
+
+    def test_played_over_a_year_ago(self):
+        """Search for tracks played over a year ago"""
+
+        filter = Filter(last_played_unit="years", last_played_number=1)
+
+        with db.Session() as session:
+            results = Tracks.get_filtered_tracks(session, filter)
+            assert len(results) == 1
+            assert 'zulu' in results[0].path
+
+    def test_played_over_two_years_ago(self):
+        """Search for tracks played over 2 years ago"""
+
+        filter = Filter(last_played_unit="years", last_played_number=2)
+
+        with db.Session() as session:
+            results = Tracks.get_filtered_tracks(session, filter)
+            assert len(results) == 0
+
+    def test_never_played(self):
+        """Search for tracks never played"""
+
+        filter = Filter(last_played_comparator="never")
+
+        with db.Session() as session:
+            results = Tracks.get_filtered_tracks(session, filter)
+            assert len(results) == 1
+            assert 'alpha' in results[0].path
+
+    def test_played_anytime(self):
+        """Search for tracks played over a year ago"""
+
+        filter = Filter(last_played_comparator="Any time")
+
+        with db.Session() as session:
+            results = Tracks.get_filtered_tracks(session, filter)
+            assert len(results) == 1
+            assert 'zulu' in results[0].path

tests/test_ui.py

@@ -90,8 +90,8 @@ class MyTestCase(unittest.TestCase):
         playlist_name = "test_init playlist"
 
         with db.Session() as session:
-            playlist = Playlists(session, playlist_name)
-            self.widget.create_playlist_tab(playlist)
+            playlist = Playlists(session, playlist_name, template_id=0)
+            self.widget._open_playlist(playlist, is_template=False)
             with self.qtbot.waitExposed(self.widget):
                 self.widget.show()
 
@@ -103,8 +103,8 @@ class MyTestCase(unittest.TestCase):
         playlist_name = "test_save_and_restore playlist"
 
         with db.Session() as session:
-            playlist = Playlists(session, playlist_name)
-            model = playlistmodel.PlaylistModel(playlist.id)
+            playlist = Playlists(session, playlist_name, template_id=0)
+            model = playlistmodel.PlaylistModel(playlist.id, is_template=False)
 
             # Add a track with a note
             model.insert_row(
@@ -139,7 +139,7 @@ class MyTestCase(unittest.TestCase):
 
 # def test_meta_all_clear(qtbot, session):
 #     # Create playlist
-#     playlist = models.Playlists(session, "my playlist")
+#     playlist = models.Playlists(session, "my playlist", template_id=0)
 #     playlist_tab = playlists.PlaylistTab(None, session, playlist.id)
 
 #     # Add some tracks
@@ -167,7 +167,8 @@ class MyTestCase(unittest.TestCase):
 
 # def test_meta(qtbot, session):
 #     # Create playlist
-#     playlist = playlists.Playlists(session, "my playlist")
+#     playlist = playlists.Playlists(session, "my playlist",
+#     template_id=0)
 #     playlist_tab = playlists.PlaylistTab(None, session, playlist.id)
 
 #     # Add some tracks
@@ -248,7 +249,7 @@ class MyTestCase(unittest.TestCase):
 
 # def test_clear_next(qtbot, session):
 #     # Create playlist
-#     playlist = models.Playlists(session, "my playlist")
+#     playlist = models.Playlists(session, "my playlist", template_id=0)
 #     playlist_tab = playlists.PlaylistTab(None, session, playlist.id)
 
 #     # Add some tracks
@@ -274,7 +275,7 @@ class MyTestCase(unittest.TestCase):
 
 #     # Create playlist and playlist_tab
 #     window = musicmuster.Window()
-#     playlist = models.Playlists(session, "test playlist")
+#     playlist = models.Playlists(session, "test playlist", template_id=0)
 #     playlist_tab = playlists.PlaylistTab(window, session, playlist.id)
 
 #     # Add some tracks
@@ -306,7 +307,7 @@ class MyTestCase(unittest.TestCase):
 #     playlist_name = "test playlist"
 #     # Create testing playlist
 #     window = musicmuster.Window()
-#     playlist = models.Playlists(session, playlist_name)
+#     playlist = models.Playlists(session, playlist_name, template_id=0)
 #     playlist_tab = playlists.PlaylistTab(window, session, playlist.id)
 #     idx = window.tabPlaylist.addTab(playlist_tab, playlist_name)
 #     window.tabPlaylist.setCurrentIndex(idx)