392 lines
12 KiB
Python
Executable File
392 lines
12 KiB
Python
Executable File
#!/usr/bin/python3
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import vlc
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import sys
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from datetime import datetime, timedelta
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from log import DEBUG, ERROR
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from PyQt5.QtCore import Qt, QTimer
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from PyQt5.QtWidgets import QApplication, QDialog, QMainWindow
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from PyQt5.QtWidgets import QTableWidgetItem, QFileDialog, QListWidgetItem
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from ui.main_window_ui import Ui_MainWindow
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from ui.dlg_search_database_ui import Ui_Dialog
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from config import Config
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from model import Settings, Tracks
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class Music:
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def __init__(self):
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self.current_track = {
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"player": None,
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"meta": None
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}
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self.next_track = {
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"player": None,
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"meta": None
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}
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self.previous_track = {
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"player": None,
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"meta": None
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}
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def get_current_artist(self):
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try:
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return self.current_track['meta'].artist
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except AttributeError:
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return ""
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def get_current_duration(self):
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try:
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return self.current_track['meta'].duration
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except AttributeError:
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return 0
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def get_current_fade_at(self):
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try:
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return self.current_track['meta'].fade_at
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except AttributeError:
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return 0
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def get_current_playtime(self):
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try:
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return self.current_track['player'].get_time()
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except AttributeError:
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return 0
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def get_current_silence_at(self):
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try:
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return self.current_track['meta'].silence_at
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except AttributeError:
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return 0
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def get_current_title(self):
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try:
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return self.current_track['meta'].title
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except AttributeError:
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return ""
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def get_current_track_id(self):
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try:
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return self.current_track['meta'].id
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except AttributeError:
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return 0
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def get_previous_artist(self):
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try:
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return self.previous_track['meta'].artist
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except AttributeError:
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return ""
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def get_previous_title(self):
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try:
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return self.previous_track['meta'].title
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except AttributeError:
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return ""
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def get_next_artist(self):
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try:
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return self.next_track['meta'].artist
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except AttributeError:
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return ""
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def get_next_title(self):
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try:
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return self.next_track['meta'].title
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except AttributeError:
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return ""
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def play_next(self):
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if self.previous_track['player']:
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self.previous_track['player'].release()
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if self.current_track['player']:
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self.current_track['player'].stop()
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self.previous_track = self.current_track
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self.current_track = self.next_track
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self.current_track['player'].play()
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# Tidy up
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self.next_track = {
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"player": None,
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"meta": None
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}
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def playing(self):
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if self.current_track['player']:
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return self.current_track['player'].is_playing()
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else:
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return False
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def resume_previous(self):
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pass
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def set_next_track(self, id):
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track = Tracks.get_track(id)
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if not track:
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ERROR(f"set_next_track({id}): can't find track")
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return None
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self.next_track['player'] = vlc.MediaPlayer(track.path)
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self.next_track['meta'] = track
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return track.id
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class Window(QMainWindow, Ui_MainWindow):
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def __init__(self, parent=None):
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super().__init__(parent)
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self.setupUi(self)
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self.timer = QTimer()
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self.connectSignalsSlots()
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self.music = Music()
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self.disable_play_next_controls()
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record = Settings.get_int("mainwindow_x")
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x = record.f_int or 1
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record = Settings.get_int("mainwindow_y")
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y = record.f_int or 1
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record = Settings.get_int("mainwindow_width")
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width = record.f_int or 1599
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record = Settings.get_int("mainwindow_height")
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height = record.f_int or 981
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self.setGeometry(x, y, width, height)
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for column in range(self.playlist.columnCount()):
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name = f"playlist_col_{str(column)}_width"
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record = Settings.get_int(name)
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if record.f_int is not None:
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self.playlist.setColumnWidth(column, record.f_int)
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self.timer.start(Config.TIMER_MS)
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def __del__(self):
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for column in range(self.playlist.columnCount()):
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name = f"playlist_col_{str(column)}_width"
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record = Settings.get_int(name)
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if record.f_int != self.playlist.columnWidth(column):
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record.update({'f_int': self.playlist.columnWidth(column)})
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record = Settings.get_int("mainwindow_height")
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if record.f_int != self.height():
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record.update({'f_int': self.height()})
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record = Settings.get_int("mainwindow_width")
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if record.f_int != self.width():
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record.update({'f_int': self.width()})
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record = Settings.get_int("mainwindow_x")
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if record.f_int != self.x():
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record.update({'f_int': self.x()})
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record = Settings.get_int("mainwindow_y")
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if record.f_int != self.y():
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record.update({'f_int': self.y()})
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def connectSignalsSlots(self):
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self.actionSearch_database.triggered.connect(self.selectFromDatabase)
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self.actionPlay_selected.triggered.connect(self.play_next)
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self.actionPlay_next.triggered.connect(self.play_next)
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self.playlist.itemSelectionChanged.connect(self.set_next_track)
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self.timer.timeout.connect(self.tick)
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def selectFromDatabase(self):
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dlg = DbDialog(self)
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dlg.exec()
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def play_next(self):
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self.music.play_next()
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self.current_track.setText(
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f"{self.music.get_current_title()} - "
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f"{self.music.get_current_artist()}"
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)
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self.previous_track.setText(
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f"{self.music.get_previous_title()} - "
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f"{self.music.get_previous_artist()}"
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)
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self.set_next_track()
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# Set time clocks
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now = datetime.now()
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self.label_start_tod.setText(now.strftime("%H:%M:%S"))
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silence_time = now + timedelta(
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milliseconds=self.music.get_current_silence_at())
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self.label_silent_tod.setText(silence_time.strftime("%H:%M:%S"))
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def play_selected(self):
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if self.playlist.selectionModel().hasSelection():
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row = self.playlist.currentRow()
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track_id = int(self.playlist.item(row, 0).text())
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DEBUG(f"play_selected: track_id={track_id}")
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# TODO: get_path may raise exception
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track_path = Tracks.get_path(track_id)
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if track_path:
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DEBUG(f"play_selected: track_path={track_path}")
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player = vlc.MediaPlayer(track_path)
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player.play()
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def selectFile(self):
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dlg = QFileDialog()
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dlg.setFileMode(QFileDialog.ExistingFile)
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dlg.setViewMode(QFileDialog.Detail)
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dlg.setDirectory(Config.ROOT)
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dlg.setNameFilter("Music files (*.flac *.mp3)")
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if dlg.exec_():
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pass
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# TODO Add to database
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# for fname in dlg.selectedFiles():
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# track = Track(fname)
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# self.add_to_playlist(track)
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def set_next_track(self):
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"""
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Set the next track. In order of priority:
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- the highlighted track so long as it's not the current track
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- if the current track is highlighted, the next track if there
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is one
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- none, in which case disable play next controls
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"""
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track_id = None
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if self.playlist.selectionModel().hasSelection():
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row = self.playlist.currentRow()
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track_id = int(self.playlist.item(row, 0).text())
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if track_id == self.music.get_current_track_id():
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# Current track highlighted: get next if it exists
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try:
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track_id = int(self.playlist.item(row + 1, 0).text())
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except AttributeError:
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# There is no next track
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track_id = None
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if track_id:
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DEBUG(f"set_next_track: track_id={track_id}")
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if self.music.set_next_track(track_id) != track_id:
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ERROR("Can't set next track")
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self.next_track.setText(
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f"{self.music.get_next_title()} - "
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f"{self.music.get_next_artist()}"
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)
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self.enable_play_next_controls()
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else:
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self.next_track.setText("")
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self.disable_play_next_controls()
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def tick(self):
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# self.current_time.setText(now.strftime("%H:%M:%S"))
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if self.music.playing():
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playtime = self.music.get_current_playtime()
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self.label_elapsed_timer.setText(ms_to_mmss(playtime))
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self.label_fade_timer.setText(
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ms_to_mmss(self.music.get_current_fade_at() - playtime))
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self.label_silent_timer.setText(
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ms_to_mmss(self.music.get_current_silence_at() - playtime))
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self.label_end_timer.setText(
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ms_to_mmss(self.music.get_current_duration() - playtime))
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def add_to_playlist(self, track):
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"""
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Add track to playlist
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track is an instance of Track
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"""
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DEBUG(f"add_to_playlist: track.id={track.id}")
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pl = self.playlist
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row = pl.rowCount()
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pl.insertRow(row)
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item = QTableWidgetItem(str(track.id))
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pl.setItem(row, 0, item)
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item = QTableWidgetItem(str(track.start_gap))
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pl.setItem(row, 1, item)
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item = QTableWidgetItem(track.title)
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pl.setItem(row, 2, item)
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item = QTableWidgetItem(track.artist)
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pl.setItem(row, 3, item)
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item = QTableWidgetItem(ms_to_mmss(track.duration))
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pl.setItem(row, 4, item)
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item = QTableWidgetItem(track.path)
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pl.setItem(row, 7, item)
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def disable_play_next_controls(self):
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self.actionPlay_selected.setEnabled(False)
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self.actionPlay_next.setEnabled(False)
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def enable_play_next_controls(self):
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self.actionPlay_selected.setEnabled(True)
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self.actionPlay_next.setEnabled(True)
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class DbDialog(QDialog):
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def __init__(self, parent=None):
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super().__init__(parent)
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self.ui = Ui_Dialog()
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self.ui.setupUi(self)
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self.ui.searchString.textEdited.connect(self.chars_typed)
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self.ui.matchList.itemDoubleClicked.connect(self.listdclick)
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record = Settings.get_int("dbdialog_width")
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width = record.f_int or 800
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record = Settings.get_int("dbdialog_height")
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height = record.f_int or 600
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self.resize(width, height)
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def __del__(self):
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record = Settings.get_int("dbdialog_height")
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if record.f_int != self.height():
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record.update({'f_int': self.height()})
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record = Settings.get_int("dbdialog_width")
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if record.f_int != self.width():
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record.update({'f_int': self.width()})
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def chars_typed(self, s):
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if len(s) >= 3:
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matches = Tracks.search_titles(s)
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self.ui.matchList.clear()
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if matches:
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for track in matches:
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t = QListWidgetItem()
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t.setText(
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f"{track.title} - {track.artist} "
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f"[{ms_to_mmss(track.duration)}]"
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)
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t.setData(Qt.UserRole, track.id)
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self.ui.matchList.addItem(t)
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def listdclick(self, entry):
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track_id = entry.data(Qt.UserRole)
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track = Tracks.track_from_id(track_id)
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self.parent().add_to_playlist(track)
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def ms_to_mmss(ms, decimals=0, negative=False):
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if not ms:
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return "-"
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sign = ""
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if ms < 0:
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if negative:
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sign = "-"
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else:
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ms = 0
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minutes, remainder = divmod(ms, 60 * 1000)
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seconds = remainder / 1000
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if seconds == 60:
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print(f"ms_to_mmss({ms}) gave 60 seconds")
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return f"{sign}{minutes:.0f}:{seconds:02.{decimals}f}"
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def main():
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app = QApplication(sys.argv)
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win = Window()
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win.show()
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sys.exit(app.exec())
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if __name__ == "__main__":
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main()
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