app/dialogs.py

@@ -10,6 +10,7 @@ from PyQt6.QtWidgets import (
     QListWidgetItem,
     QMainWindow,
     QTableWidgetItem,
+    QWidget,
 )
 
 # Third party imports

app/musicmuster.py

@@ -472,7 +472,7 @@ class Window(QMainWindow, Ui_MainWindow):
         self.actionPaste.triggered.connect(self.paste_rows)
         self.actionPlay_next.triggered.connect(self.play_next)
         self.actionRenamePlaylist.triggered.connect(self.rename_playlist)
-        self.actionReplace_files.triggered.connect(self.import_files)
+        self.actionReplace_files.triggered.connect(self.replace_files)
         self.actionResume.triggered.connect(self.resume)
         self.actionSave_as_template.triggered.connect(self.save_as_template)
         self.actionSearch_title_in_Songfacts.triggered.connect(
@@ -1123,7 +1123,34 @@ class Window(QMainWindow, Ui_MainWindow):
             return
 
         # Check for inadvertent press of 'return'
-        if self.return_pressed_in_error():
+        if track_sequence.current and self.catch_return_key:
+            # Suppress inadvertent double press
+            if (
+                track_sequence.current
+                and track_sequence.current.start_time
+                and track_sequence.current.start_time
+                + dt.timedelta(milliseconds=Config.RETURN_KEY_DEBOUNCE_MS)
+                > dt.datetime.now()
+            ):
+                return
+            # If return is pressed during first PLAY_NEXT_GUARD_MS then
+            # default to NOT playing the next track, else default to
+            # playing it.
+            default_yes: bool = track_sequence.current.start_time is not None and (
+                (dt.datetime.now() - track_sequence.current.start_time).total_seconds()
+                * 1000
+                > Config.PLAY_NEXT_GUARD_MS
+            )
+            if default_yes:
+                msg = "Hit return to play next track now"
+            else:
+                msg = "Press tab to select Yes and hit return to play next track"
+            if not helpers.ask_yes_no(
+                "Play next track",
+                msg,
+                default_yes=default_yes,
+                parent=self,
+            ):
                 return
 
         # Issue #223 concerns a very short pause (maybe 0.1s) sometimes
@@ -1290,7 +1317,7 @@ class Window(QMainWindow, Ui_MainWindow):
                     self.tabBar.setTabText(idx, new_name)
                     session.commit()
 
-    def import_files(self) -> None:
+    def replace_files(self) -> None:
         """
         Scan source directory and offer to replace existing files with "similar"
         files, or import the source file as a new track.
@@ -1359,46 +1386,6 @@ class Window(QMainWindow, Ui_MainWindow):
                 session.rollback()
                 session.close()
 
-    def return_pressed_in_error(self) -> bool:
-        """
-        Check whether Return key has been pressed in error.
-
-        Return True if it has, False if not
-        """
-
-        if track_sequence.current and self.catch_return_key:
-            # Suppress inadvertent double press
-            if (
-                track_sequence.current
-                and track_sequence.current.start_time
-                and track_sequence.current.start_time
-                + dt.timedelta(milliseconds=Config.RETURN_KEY_DEBOUNCE_MS)
-                > dt.datetime.now()
-            ):
-                return True
-
-            # If return is pressed during first PLAY_NEXT_GUARD_MS then
-            # default to NOT playing the next track, else default to
-            # playing it.
-            default_yes: bool = track_sequence.current.start_time is not None and (
-                (dt.datetime.now() - track_sequence.current.start_time).total_seconds()
-                * 1000
-                > Config.PLAY_NEXT_GUARD_MS
-            )
-            if default_yes:
-                msg = "Hit return to play next track now"
-            else:
-                msg = "Press tab to select Yes and hit return to play next track"
-            if not helpers.ask_yes_no(
-                "Play next track",
-                msg,
-                default_yes=default_yes,
-                parent=self,
-            ):
-                return True
-
-        return False
-
     def resume(self) -> None:
         """
         Resume playing last track. We may be playing the next track
@@ -1666,7 +1653,7 @@ class Window(QMainWindow, Ui_MainWindow):
                         self.label_intro_timer.setStyleSheet("")
                         self.label_intro_timer.setText("0.0")
             except AttributeError:
-                # current track ended during servicing tick
+                # currnent track ended during servicing tick
                 pass
 
         # Ensure preview button is reset if preview finishes playing

app/playlistmodel.py

@@ -4,7 +4,7 @@ from __future__ import annotations
 
 from operator import attrgetter
 from random import shuffle
-from typing import Optional
+from typing import List, Optional
 import datetime as dt
 import re
 
@@ -94,39 +94,6 @@ class _PlaylistRowData:
             f"note='{self.note}', title='{self.title}', artist='{self.artist}'>"
         )
 
-    def set_start(
-        self, modified_rows: list[int], start: Optional[dt.datetime]
-    ) -> Optional[dt.datetime]:
-        """
-        Set start time for this row
-
-        Update passed modified rows list if we changed the row.
-
-        Return new start time
-        """
-
-        changed = False
-
-        if self.start_time != start:
-            self.start_time = start
-            changed = True
-        if start is None:
-            if self.end_time is not None:
-                self.end_time = None
-                changed = True
-            new_start_time = None
-        else:
-            end_time = start + dt.timedelta(milliseconds=self.duration)
-            new_start_time = end_time
-            if self.end_time != end_time:
-                self.end_time = end_time
-                changed = True
-
-        if changed and self.plr_rownum not in modified_rows:
-            modified_rows.append(self.plr_rownum)
-
-        return new_start_time
-
 
 class PlaylistModel(QAbstractTableModel):
     """
@@ -343,9 +310,7 @@ class PlaylistModel(QAbstractTableModel):
 
             session.commit()
 
-    def data(
+    def data(self, index: QModelIndex, role: int = Qt.ItemDataRole.DisplayRole) -> QVariant:
-        self, index: QModelIndex, role: int = Qt.ItemDataRole.DisplayRole
-    ) -> QVariant:
         """Return data to view"""
 
         if not index.isValid() or not (0 <= index.row() < len(self.playlist_rows)):
@@ -384,7 +349,7 @@ class PlaylistModel(QAbstractTableModel):
         # Fall through to no-op
         return QVariant()
 
-    def delete_rows(self, row_numbers: list[int]) -> None:
+    def delete_rows(self, row_numbers: List[int]) -> None:
         """
         Delete passed rows from model
 
@@ -541,7 +506,7 @@ class PlaylistModel(QAbstractTableModel):
 
         return QVariant(boldfont)
 
-    def get_duplicate_rows(self) -> list[int]:
+    def get_duplicate_rows(self) -> List[int]:
         """
         Return a list of duplicate rows. If track appears in rows 2, 3 and 4, return [3, 4]
         (ie, ignore the first, not-yet-duplicate, track).
@@ -607,7 +572,7 @@ class PlaylistModel(QAbstractTableModel):
 
         return self.playlist_rows[row_number].path
 
-    def get_rows_duration(self, row_numbers: list[int]) -> int:
+    def get_rows_duration(self, row_numbers: List[int]) -> int:
         """
         Return the total duration of the passed rows
         """
@@ -618,7 +583,7 @@ class PlaylistModel(QAbstractTableModel):
 
         return duration
 
-    def get_unplayed_rows(self) -> list[int]:
+    def get_unplayed_rows(self) -> List[int]:
         """
         Return a list of unplayed row numbers
         """
@@ -641,22 +606,28 @@ class PlaylistModel(QAbstractTableModel):
         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),
-        }
-
         if role == Qt.ItemDataRole.DisplayRole:
             if orientation == Qt.Orientation.Horizontal:
-                return display_dispatch_table[section]
+                if section == Col.START_GAP.value:
+                    return QVariant(Config.HEADER_START_GAP)
+                if section == Col.INTRO.value:
+                    return QVariant(Config.HEADER_INTRO)
+                elif section == Col.TITLE.value:
+                    return QVariant(Config.HEADER_TITLE)
+                elif section == Col.ARTIST.value:
+                    return QVariant(Config.HEADER_ARTIST)
+                elif section == Col.DURATION.value:
+                    return QVariant(Config.HEADER_DURATION)
+                elif section == Col.START_TIME.value:
+                    return QVariant(Config.HEADER_START_TIME)
+                elif section == Col.END_TIME.value:
+                    return QVariant(Config.HEADER_END_TIME)
+                elif section == Col.LAST_PLAYED.value:
+                    return QVariant(Config.HEADER_LAST_PLAYED)
+                elif section == Col.BITRATE.value:
+                    return QVariant(Config.HEADER_BITRATE)
+                elif section == Col.NOTE.value:
+                    return QVariant(Config.HEADER_NOTE)
             else:
                 if Config.ROWS_FROM_ZERO:
                     return QVariant(str(section))
@@ -675,15 +646,84 @@ class PlaylistModel(QAbstractTableModel):
         Process possible section timing directives embeded in header
         """
 
-        if prd.note.endswith("+"):
+        count: int = 0
-            return self.start_of_timed_section_header(prd)
+        unplayed_count: int = 0
+        duration: int = 0
 
+        if prd.note.endswith("+"):
+            # This header is the start of a timed section
+            for row_number in range(prd.plr_rownum + 1, len(self.playlist_rows)):
+                row_prd = self.playlist_rows[row_number]
+                if self.is_header_row(row_number):
+                    if row_prd.note.endswith("-"):
+                        return (
+                            f"{prd.note[:-1].strip()} "
+                            f"[{count} tracks, {ms_to_mmss(duration)} unplayed]"
+                        )
+                    else:
+                        continue
+                else:
+                    count += 1
+                    if not row_prd.played:
+                        unplayed_count += 1
+                        duration += row_prd.duration
+            return (
+                f"{prd.note[:-1].strip()} "
+                f"[{count} tracks, {ms_to_mmss(duration, none='none')} "
+                "unplayed (to end of playlist)]"
+            )
         elif prd.note.endswith("="):
-            return self.section_subtotal_header(prd)
+            # Show subtotal
+            for row_number in range(prd.plr_rownum - 1, -1, -1):
+                row_prd = self.playlist_rows[row_number]
+                if self.is_header_row(row_number):
+                    if row_prd.note.endswith("-"):
+                        # There was no start of section
+                        return prd.note
+                    if row_prd.note.endswith(("+", "=")):
+                        # If we are playing this section, also
+                        # calculate end time if all tracks are played.
+                        end_time_str = ""
+                        if (
+                            track_sequence.current
+                            and track_sequence.current.end_time
+                            and (
+                                row_number
+                                < track_sequence.current.row_number
+                                < prd.plr_rownum
+                            )
+                        ):
+                            section_end_time = (
+                                track_sequence.current.end_time
+                                + dt.timedelta(milliseconds=duration)
+                            )
+                            end_time_str = (
+                                ", section end time "
+                                + section_end_time.strftime(Config.TRACK_TIME_FORMAT)
+                            )
+                        stripped_note = prd.note[:-1].strip()
+                        if stripped_note:
+                            return (
+                                f"{stripped_note} ["
+                                f"{unplayed_count}/{count} track{'s' if count > 1 else ''} "
+                                f"({ms_to_mmss(duration)}) unplayed{end_time_str}]"
+                            )
+                        else:
+                            return (
+                                f"[{unplayed_count}/{count} track{'s' if count > 1 else ''} "
+                                f"({ms_to_mmss(duration)}) unplayed{end_time_str}]"
+                            )
+                    else:
+                        continue
+                else:
+                    count += 1
+                    if not row_prd.played:
+                        unplayed_count += 1
+                        duration += row_prd.duration
 
         elif prd.note == "-":
             # If the hyphen is the only thing on the line, echo the note
-            # that started the section without the trailing "+".
+            # tha started the section without the trailing "+".
             for row_number in range(prd.plr_rownum - 1, -1, -1):
                 row_prd = self.playlist_rows[row_number]
                 if self.is_header_row(row_number):
@@ -748,7 +788,7 @@ class PlaylistModel(QAbstractTableModel):
             self.index(modified_row, self.columnCount() - 1),
         )
 
-    def invalidate_rows(self, modified_rows: list[int]) -> None:
+    def invalidate_rows(self, modified_rows: List[int]) -> None:
         """
         Signal to view to refresh invlidated rows
         """
@@ -784,7 +824,7 @@ class PlaylistModel(QAbstractTableModel):
 
         return None
 
-    def mark_unplayed(self, row_numbers: list[int]) -> None:
+    def mark_unplayed(self, row_numbers: List[int]) -> None:
         """
         Mark row as unplayed
         """
@@ -798,10 +838,9 @@ class PlaylistModel(QAbstractTableModel):
                 session.commit()
                 self.refresh_row(session, row_number)
 
-        self.update_track_times()
         self.invalidate_rows(row_numbers)
 
-    def move_rows(self, from_rows: list[int], to_row_number: int) -> None:
+    def move_rows(self, from_rows: List[int], to_row_number: int) -> None:
         """
         Move the playlist rows given to to_row and below.
         """
@@ -862,7 +901,7 @@ class PlaylistModel(QAbstractTableModel):
 
         # For SQLAlchemy, build a list of dictionaries that map plrid to
         # new row number:
-        sqla_map: list[dict[str, int]] = []
+        sqla_map: List[dict[str, int]] = []
         for oldrow, newrow in row_map.items():
             plrid = self.playlist_rows[oldrow].plrid
             sqla_map.append({"plrid": plrid, "plr_rownum": newrow})
@@ -875,11 +914,10 @@ class PlaylistModel(QAbstractTableModel):
 
         # Update display
         self.reset_track_sequence_row_numbers()
-        self.update_track_times()
         self.invalidate_rows(list(row_map.keys()))
 
     def move_rows_between_playlists(
-        self, from_rows: list[int], to_row_number: int, to_playlist_id: int
+        self, from_rows: List[int], to_row_number: int, to_playlist_id: int
     ) -> None:
         """
         Move the playlist rows given to to_row and below of to_playlist.
@@ -1117,8 +1155,8 @@ class PlaylistModel(QAbstractTableModel):
         self.update_track_times()
 
     def _reversed_contiguous_row_groups(
-        self, row_numbers: list[int]
+        self, row_numbers: List[int]
-    ) -> list[list[int]]:
+    ) -> List[List[int]]:
         """
         Take the list of row numbers and split into groups of contiguous rows. Return as a list
         of lists with the highest row numbers first.
@@ -1130,8 +1168,8 @@ class PlaylistModel(QAbstractTableModel):
 
         log.debug(f"_reversed_contiguous_row_groups({row_numbers=} called")
 
-        result: list[list[int]] = []
+        result: List[List[int]] = []
-        temp: list[int] = []
+        temp: List[int] = []
         last_value = row_numbers[0] - 1
 
         for idx in range(len(row_numbers)):
@@ -1152,68 +1190,7 @@ class PlaylistModel(QAbstractTableModel):
 
         return len(self.playlist_rows)
 
-    def section_subtotal_header(self, prd: _PlaylistRowData) -> str:
+    def selection_is_sortable(self, row_numbers: List[int]) -> bool:
-        """
-        Process this row as subtotal within a timed section and
-        return display text for this row
-        """
-
-        count: int = 0
-        unplayed_count: int = 0
-        duration: int = 0
-
-        # Show subtotal
-        for row_number in range(prd.plr_rownum - 1, -1, -1):
-            row_prd = self.playlist_rows[row_number]
-            if self.is_header_row(row_number):
-                if row_prd.note.endswith("-"):
-                    # There was no start of section
-                    return prd.note
-                if row_prd.note.endswith(("+", "=")):
-                    # If we are playing this section, also
-                    # calculate end time if all tracks are played.
-                    end_time_str = ""
-                    if (
-                        track_sequence.current
-                        and track_sequence.current.end_time
-                        and (
-                            row_number
-                            < track_sequence.current.row_number
-                            < prd.plr_rownum
-                        )
-                    ):
-                        section_end_time = (
-                            track_sequence.current.end_time
-                            + dt.timedelta(milliseconds=duration)
-                        )
-                        end_time_str = (
-                            ", section end time "
-                            + section_end_time.strftime(Config.TRACK_TIME_FORMAT)
-                        )
-                    stripped_note = prd.note[:-1].strip()
-                    if stripped_note:
-                        return (
-                            f"{stripped_note} ["
-                            f"{unplayed_count}/{count} track{'s' if count > 1 else ''} "
-                            f"({ms_to_mmss(duration)}) unplayed{end_time_str}]"
-                        )
-                    else:
-                        return (
-                            f"[{unplayed_count}/{count} track{'s' if count > 1 else ''} "
-                            f"({ms_to_mmss(duration)}) unplayed{end_time_str}]"
-                        )
-                else:
-                    continue
-            else:
-                count += 1
-                if not row_prd.played:
-                    unplayed_count += 1
-                    duration += row_prd.duration
-
-        # Should never get here
-        return f"Error calculating subtotal ({row_prd.note})"
-
-    def selection_is_sortable(self, row_numbers: list[int]) -> bool:
         """
         Return True if the selection is sortable. That means:
         - at least two rows selected
@@ -1353,14 +1330,14 @@ class PlaylistModel(QAbstractTableModel):
 
         return False
 
-    def sort_by_artist(self, row_numbers: list[int]) -> None:
+    def sort_by_artist(self, row_numbers: List[int]) -> None:
         """
         Sort selected rows by artist
         """
 
         self.sort_by_attribute(row_numbers, "artist")
 
-    def sort_by_attribute(self, row_numbers: list[int], attr_name: str) -> None:
+    def sort_by_attribute(self, row_numbers: List[int], attr_name: str) -> None:
         """
         Sort selected rows by passed attribute name where 'attribute' is a
         key in PlaylistRowData
@@ -1375,21 +1352,21 @@ class PlaylistModel(QAbstractTableModel):
         ]
         self.move_rows(sorted_list, min(sorted_list))
 
-    def sort_by_duration(self, row_numbers: list[int]) -> None:
+    def sort_by_duration(self, row_numbers: List[int]) -> None:
         """
         Sort selected rows by duration
         """
 
         self.sort_by_attribute(row_numbers, "duration")
 
-    def sort_by_lastplayed(self, row_numbers: list[int]) -> None:
+    def sort_by_lastplayed(self, row_numbers: List[int]) -> None:
         """
         Sort selected rows by lastplayed
         """
 
         self.sort_by_attribute(row_numbers, "lastplayed")
 
-    def sort_randomly(self, row_numbers: list[int]) -> None:
+    def sort_randomly(self, row_numbers: List[int]) -> None:
         """
         Sort selected rows randomly
         """
@@ -1397,44 +1374,13 @@ class PlaylistModel(QAbstractTableModel):
         shuffle(row_numbers)
         self.move_rows(row_numbers, min(row_numbers))
 
-    def sort_by_title(self, row_numbers: list[int]) -> None:
+    def sort_by_title(self, row_numbers: List[int]) -> None:
         """
         Sort selected rows by title
         """
 
         self.sort_by_attribute(row_numbers, "title")
 
-    def start_of_timed_section_header(self, prd: _PlaylistRowData) -> str:
-        """
-        Process this row as the start of a timed section and
-        return display text for this row
-        """
-
-        count: int = 0
-        unplayed_count: int = 0
-        duration: int = 0
-
-        for row_number in range(prd.plr_rownum + 1, len(self.playlist_rows)):
-            row_prd = self.playlist_rows[row_number]
-            if self.is_header_row(row_number):
-                if row_prd.note.endswith("-"):
-                    return (
-                        f"{prd.note[:-1].strip()} "
-                        f"[{count} tracks, {ms_to_mmss(duration)} unplayed]"
-                    )
-                else:
-                    continue
-            else:
-                count += 1
-                if not row_prd.played:
-                    unplayed_count += 1
-                    duration += row_prd.duration
-        return (
-            f"{prd.note[:-1].strip()} "
-            f"[{count} tracks, {ms_to_mmss(duration, none='none')} "
-            "unplayed (to end of playlist)]"
-        )
-
     def supportedDropActions(self) -> Qt.DropAction:
         return Qt.DropAction.MoveAction | Qt.DropAction.CopyAction
 
@@ -1467,33 +1413,51 @@ class PlaylistModel(QAbstractTableModel):
         log.debug("update_track_times()")
 
         next_start_time: Optional[dt.datetime] = None
-        update_rows: list[int] = []
+        update_rows: List[int] = []
-        row_count = len(self.playlist_rows)
+        playlist_length = len(self.playlist_rows)
+        if not playlist_length:
+            return
 
-        current_track_row = None
+        for row_number in range(playlist_length):
-        next_track_row = None
-        if track_sequence.current:
-            current_track_row = track_sequence.current.row_number
-            # Update current track details now so that they are available
-            # when we deal with next track row which may be above current
-            # track row.
-            self.playlist_rows[current_track_row].set_start(
-                update_rows, track_sequence.current.start_time
-            )
-
-        if track_sequence.next:
-            next_track_row = track_sequence.next.row_number
-
-        for row_number in range(row_count):
             prd = self.playlist_rows[row_number]
 
-            # Don't update times for tracks that have been played, for
+            # Reset start_time if this is the current row
-            # unreadable tracks or for the current track, handled above.
+            if track_sequence.current:
+                if row_number == track_sequence.current.row_number:
+                    prd.start_time = track_sequence.current.start_time
+                    prd.end_time = track_sequence.current.end_time
+                    update_rows.append(row_number)
+                    if not next_start_time:
+                        next_start_time = prd.end_time
+                    continue
+
+                # Set start time for next row if we have a current track
+                if track_sequence.next and track_sequence.current.end_time:
+                    if row_number == track_sequence.next.row_number:
+                        prd.start_time = track_sequence.current.end_time
+                        prd.end_time = prd.start_time + dt.timedelta(
+                            milliseconds=prd.duration
+                        )
+                        next_start_time = prd.end_time
+                        update_rows.append(row_number)
+                        continue
+
+            # Don't update times for tracks that have been played
+            if prd.played:
+                continue
+
+            # If we're between the current and next row, zero out
+            # times
             if (
-                prd.played
+                track_sequence.current
-                or row_number == current_track_row
+                and track_sequence.next
-                or (prd.path and file_is_unreadable(prd.path))
+                and track_sequence.current.row_number
+                < row_number
+                < track_sequence.next.row_number
             ):
+                prd.start_time = None
+                prd.end_time = None
+                update_rows.append(row_number)
                 continue
 
             # Reset start time if timing in header
@@ -1503,25 +1467,28 @@ class PlaylistModel(QAbstractTableModel):
                     next_start_time = header_time
                 continue
 
-            # Set start time for next row if we have a current track
+            # This is an unplayed track
-            if (
+            # Don't schedule unplayable tracks
-                row_number == next_track_row
+            if file_is_unreadable(prd.path):
-                and track_sequence.current
-                and track_sequence.current.end_time
-            ):
-                next_start_time = prd.set_start(
-                    update_rows, track_sequence.current.end_time
-                )
                 continue
 
-            # If we're between the current and next row, zero out
+            # Set start/end if we have a start time
-            # times
+            if next_start_time is None:
-            if (current_track_row or row_count) < row_number < (next_track_row or 0):
-                prd.set_start(update_rows, None)
                 continue
 
-            # Set start/end
+            # Update start time of this row if it's incorrect
-            next_start_time = prd.set_start(update_rows, next_start_time)
+            if prd.start_time != next_start_time:
+                prd.start_time = next_start_time
+                update_rows.append(row_number)
+
+            # Calculate next start time
+            next_start_time += dt.timedelta(milliseconds=prd.duration)
+
+            # Update end time of this row if it's incorrect
+            if prd.end_time != next_start_time:
+                prd.end_time = next_start_time
+                if row_number not in update_rows:
+                    update_rows.append(row_number)
 
         # Update start/stop times of rows that have changed
         for updated_row in update_rows:
@@ -1562,8 +1529,7 @@ class PlaylistProxyModel(QSortFilterProxyModel):
                 # Don't hide current track
                 if (
                     track_sequence.current
-                    and track_sequence.current.playlist_id
+                    and track_sequence.current.playlist_id == self.source_model.playlist_id
-                    == self.source_model.playlist_id
                     and track_sequence.current.row_number == source_row
                 ):
                     return True
@@ -1579,8 +1545,7 @@ class PlaylistProxyModel(QSortFilterProxyModel):
                 # Handle previous track
                 if track_sequence.previous:
                     if (
-                        track_sequence.previous.playlist_id
+                        track_sequence.previous.playlist_id != self.source_model.playlist_id
-                        != self.source_model.playlist_id
                         or track_sequence.previous.row_number != source_row
                     ):
                         # This row isn't our previous track: hide it
@@ -1589,10 +1554,11 @@ class PlaylistProxyModel(QSortFilterProxyModel):
                         # This row is our previous track. Don't hide it
                         # until HIDE_AFTER_PLAYING_OFFSET milliseconds
                         # after current track has started
-                        if track_sequence.current.start_time and dt.datetime.now() > (
+                        if (
                             track_sequence.current.start_time
-                            + dt.timedelta(
+                            and dt.datetime.now() > (
-                                milliseconds=Config.HIDE_AFTER_PLAYING_OFFSET
+                                track_sequence.current.start_time
+                                + dt.timedelta(milliseconds=Config.HIDE_AFTER_PLAYING_OFFSET)
                             )
                         ):
                             return False
@@ -1604,7 +1570,9 @@ class PlaylistProxyModel(QSortFilterProxyModel):
                             # true next time through.
                             QTimer.singleShot(
                                 Config.HIDE_AFTER_PLAYING_OFFSET + 100,
-                                lambda: self.source_model.invalidate_row(source_row),
+                                lambda: self.source_model.invalidate_row(
+                                    source_row
+                                ),
                             )
                             return True
                     # Next track not playing yet so don't hide previous
@@ -1634,13 +1602,13 @@ class PlaylistProxyModel(QSortFilterProxyModel):
     def current_track_started(self):
         return self.source_model.current_track_started()
 
-    def delete_rows(self, row_numbers: list[int]) -> None:
+    def delete_rows(self, row_numbers: List[int]) -> None:
         return self.source_model.delete_rows(row_numbers)
 
-    def get_duplicate_rows(self) -> list[int]:
+    def get_duplicate_rows(self) -> List[int]:
         return self.source_model.get_duplicate_rows()
 
-    def get_rows_duration(self, row_numbers: list[int]) -> int:
+    def get_rows_duration(self, row_numbers: List[int]) -> int:
         return self.source_model.get_rows_duration(row_numbers)
 
     def get_row_info(self, row_number: int) -> _PlaylistRowData:
@@ -1649,7 +1617,7 @@ class PlaylistProxyModel(QSortFilterProxyModel):
     def get_row_track_path(self, row_number: int) -> str:
         return self.source_model.get_row_track_path(row_number)
 
-    def get_unplayed_rows(self) -> list[int]:
+    def get_unplayed_rows(self) -> List[int]:
         return self.source_model.get_unplayed_rows()
 
     def hide_played_tracks(self, hide: bool) -> None:
@@ -1672,14 +1640,14 @@ class PlaylistProxyModel(QSortFilterProxyModel):
     def is_track_in_playlist(self, track_id: int) -> Optional[_PlaylistRowData]:
         return self.source_model.is_track_in_playlist(track_id)
 
-    def mark_unplayed(self, row_numbers: list[int]) -> None:
+    def mark_unplayed(self, row_numbers: List[int]) -> None:
         return self.source_model.mark_unplayed(row_numbers)
 
-    def move_rows(self, from_rows: list[int], to_row_number: int) -> None:
+    def move_rows(self, from_rows: List[int], to_row_number: int) -> None:
         return self.source_model.move_rows(from_rows, to_row_number)
 
     def move_rows_between_playlists(
-        self, from_rows: list[int], to_row_number: int, to_playlist_id: int
+        self, from_rows: List[int], to_row_number: int, to_playlist_id: int
     ) -> None:
         return self.source_model.move_rows_between_playlists(
             from_rows, to_row_number, to_playlist_id
@@ -1712,19 +1680,19 @@ class PlaylistProxyModel(QSortFilterProxyModel):
     def set_next_row(self, row_number: Optional[int]) -> bool:
         return self.source_model.set_next_row(row_number)
 
-    def sort_by_artist(self, row_numbers: list[int]) -> None:
+    def sort_by_artist(self, row_numbers: List[int]) -> None:
         return self.source_model.sort_by_artist(row_numbers)
 
-    def sort_by_duration(self, row_numbers: list[int]) -> None:
+    def sort_by_duration(self, row_numbers: List[int]) -> None:
         return self.source_model.sort_by_duration(row_numbers)
 
-    def sort_by_lastplayed(self, row_numbers: list[int]) -> None:
+    def sort_by_lastplayed(self, row_numbers: List[int]) -> None:
         return self.source_model.sort_by_lastplayed(row_numbers)
 
-    def sort_randomly(self, row_numbers: list[int]) -> None:
+    def sort_randomly(self, row_numbers: List[int]) -> None:
         return self.source_model.sort_randomly(row_numbers)
 
-    def sort_by_title(self, row_numbers: list[int]) -> None:
+    def sort_by_title(self, row_numbers: List[int]) -> None:
         return self.source_model.sort_by_title(row_numbers)
 
     def update_track_times(self) -> None:

app/ui/main_window.ui

@@ -1367,7 +1367,7 @@ padding-left: 8px;</string>
   </action>
   <action name="actionReplace_files">
    <property name="text">
-    <string>Import files...</string>
+    <string>Replace files...</string>
    </property>
   </action>
  </widget>

app/ui/main_window_ui.py

@@ -15,7 +15,11 @@ class Ui_MainWindow(object):
         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)
+        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)
@@ -27,39 +31,62 @@ class Ui_MainWindow(object):
         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 = QtWidgets.QSizePolicy(
+            QtWidgets.QSizePolicy.Policy.Preferred,
+            QtWidgets.QSizePolicy.Policy.Preferred,
+        )
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.previous_track_2.sizePolicy().hasHeightForWidth())
+        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"
+        self.previous_track_2.setStyleSheet(
-"border: 1px solid rgb(85, 87, 83);")
+            "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.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 = QtWidgets.QSizePolicy(
+            QtWidgets.QSizePolicy.Policy.Preferred,
+            QtWidgets.QSizePolicy.Policy.Preferred,
+        )
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.current_track_2.sizePolicy().hasHeightForWidth())
+        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"
+        self.current_track_2.setStyleSheet(
-"border: 1px solid rgb(85, 87, 83);")
+            "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.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 = QtWidgets.QSizePolicy(
+            QtWidgets.QSizePolicy.Policy.Preferred,
+            QtWidgets.QSizePolicy.Policy.Preferred,
+        )
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
         sizePolicy.setHeightForWidth(self.next_track_2.sizePolicy().hasHeightForWidth())
@@ -69,19 +96,29 @@ class Ui_MainWindow(object):
         font.setFamily("Sans")
         font.setPointSize(20)
         self.next_track_2.setFont(font)
-        self.next_track_2.setStyleSheet("background-color: #fff3cd;\n"
+        self.next_track_2.setStyleSheet(
-"border: 1px solid rgb(85, 87, 83);")
+            "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.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 = QtWidgets.QSizePolicy(
+            QtWidgets.QSizePolicy.Policy.Preferred,
+            QtWidgets.QSizePolicy.Policy.Preferred,
+        )
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.hdrPreviousTrack.sizePolicy().hasHeightForWidth())
+        sizePolicy.setHeightForWidth(
+            self.hdrPreviousTrack.sizePolicy().hasHeightForWidth()
+        )
         self.hdrPreviousTrack.setSizePolicy(sizePolicy)
         self.hdrPreviousTrack.setMinimumSize(QtCore.QSize(0, 0))
         self.hdrPreviousTrack.setMaximumSize(QtCore.QSize(16777215, 16777215))
@@ -89,32 +126,43 @@ class Ui_MainWindow(object):
         font.setFamily("Sans")
         font.setPointSize(20)
         self.hdrPreviousTrack.setFont(font)
-        self.hdrPreviousTrack.setStyleSheet("background-color: #f8d7da;\n"
+        self.hdrPreviousTrack.setStyleSheet(
-"border: 1px solid rgb(85, 87, 83);")
+            "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 = QtWidgets.QSizePolicy(
+            QtWidgets.QSizePolicy.Policy.Preferred,
+            QtWidgets.QSizePolicy.Policy.Preferred,
+        )
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.hdrCurrentTrack.sizePolicy().hasHeightForWidth())
+        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"
+        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 = QtWidgets.QSizePolicy(
+            QtWidgets.QSizePolicy.Policy.Preferred,
+            QtWidgets.QSizePolicy.Policy.Preferred,
+        )
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
         sizePolicy.setHeightForWidth(self.hdrNextTrack.sizePolicy().hasHeightForWidth())
@@ -122,10 +170,12 @@ class Ui_MainWindow(object):
         font = QtGui.QFont()
         font.setPointSize(20)
         self.hdrNextTrack.setFont(font)
-        self.hdrNextTrack.setStyleSheet("background-color: #fff3cd;\n"
+        self.hdrNextTrack.setStyleSheet(
+            "background-color: #fff3cd;\n"
             "border: 1px solid rgb(85, 87, 83);\n"
             "text-align: left;\n"
-"padding-left: 8px;")
+            "padding-left: 8px;"
+        )
         self.hdrNextTrack.setText("")
         self.hdrNextTrack.setFlat(True)
         self.hdrNextTrack.setObjectName("hdrNextTrack")
@@ -172,7 +222,12 @@ class Ui_MainWindow(object):
         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)
+        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)
@@ -217,7 +272,11 @@ class Ui_MainWindow(object):
         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)
+        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)
@@ -239,8 +298,16 @@ class Ui_MainWindow(object):
         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(
-        icon2.addPixmap(QtGui.QPixmap(":/icons/record-red-button.png"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.On)
+            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")
@@ -261,8 +328,16 @@ class Ui_MainWindow(object):
         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(
-        icon3.addPixmap(QtGui.QPixmap(":/icons/star_empty.png"), QtGui.QIcon.Mode.Disabled, QtGui.QIcon.State.Off)
+            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)
@@ -363,10 +438,15 @@ class Ui_MainWindow(object):
         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 = QtWidgets.QSizePolicy(
+            QtWidgets.QSizePolicy.Policy.Preferred,
+            QtWidgets.QSizePolicy.Policy.Preferred,
+        )
         sizePolicy.setHorizontalStretch(1)
         sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.widgetFadeVolume.sizePolicy().hasHeightForWidth())
+        sizePolicy.setHeightForWidth(
+            self.widgetFadeVolume.sizePolicy().hasHeightForWidth()
+        )
         self.widgetFadeVolume.setSizePolicy(sizePolicy)
         self.widgetFadeVolume.setMinimumSize(QtCore.QSize(0, 0))
         self.widgetFadeVolume.setObjectName("widgetFadeVolume")
@@ -383,7 +463,11 @@ class Ui_MainWindow(object):
         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)
+        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")
@@ -391,7 +475,11 @@ class Ui_MainWindow(object):
         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)
+        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)
@@ -417,39 +505,71 @@ class Ui_MainWindow(object):
         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)
+        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)
+        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)
+        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)
+        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)
+        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)
+        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)
+        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)
@@ -496,7 +616,9 @@ class Ui_MainWindow(object):
         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.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)
@@ -524,9 +646,13 @@ class Ui_MainWindow(object):
         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_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.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.actionReplace_files = QtGui.QAction(parent=MainWindow)
@@ -623,38 +749,58 @@ class Ui_MainWindow(object):
         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.setText(
+            _translate("MainWindow", "Clear &selection")
+        )
         self.action_Clear_selection.setShortcut(_translate("MainWindow", "Esc"))
-        self.action_Resume_previous.setText(_translate("MainWindow", "&Resume previous"))
+        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.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.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.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.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.actionSelect_played_tracks.setText(
-        self.actionMoveUnplayed.setText(_translate("MainWindow", "Move &unplayed tracks to..."))
+            _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.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.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"))
@@ -662,8 +808,12 @@ class Ui_MainWindow(object):
         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.actionSave_as_template.setText(
-        self.actionNew_from_template.setText(_translate("MainWindow", "New from template..."))
+            _translate("MainWindow", "Save as template...")
+        )
+        self.actionNew_from_template.setText(
+            _translate("MainWindow", "New from template...")
+        )
         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"))
@@ -672,11 +822,23 @@ class Ui_MainWindow(object):
         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.setText(
-        self.actionSearch_title_in_Wikipedia.setShortcut(_translate("MainWindow", "Ctrl+W"))
+            _translate("MainWindow", "Search title in Wikipedia")
-        self.actionSearch_title_in_Songfacts.setText(_translate("MainWindow", "Search title in Songfacts"))
+        )
-        self.actionSearch_title_in_Songfacts.setShortcut(_translate("MainWindow", "Ctrl+S"))
+        self.actionSearch_title_in_Wikipedia.setShortcut(
-        self.actionSelect_duplicate_rows.setText(_translate("MainWindow", "Select duplicate rows..."))
+            _translate("MainWindow", "Ctrl+W")
-        self.actionReplace_files.setText(_translate("MainWindow", "Import files..."))
+        )
-from infotabs import InfoTabs  # type: ignore
+        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.actionReplace_files.setText(_translate("MainWindow", "Replace files..."))
+
+
+from infotabs import InfoTabs
 from pyqtgraph import PlotWidget  # type: ignore