Add Export Playist

app/musicmuster.py

@@ -122,6 +122,7 @@ class Window(QMainWindow, Ui_MainWindow):
         self.actionAdd_file.triggered.connect(self.add_file)
         self.action_Clear_selection.triggered.connect(self.clear_selection)
         self.actionClosePlaylist.triggered.connect(self.close_playlist)
+        self.actionExport_playlist.triggered.connect(self.export_playlist)
         self.actionFade.triggered.connect(self.fade)
         self.actionMoveSelected.triggered.connect(self.move_selected)
         self.actionNewPlaylist.triggered.connect(self.create_playlist)
@@ -195,6 +196,39 @@ class Window(QMainWindow, Ui_MainWindow):
         DEBUG("enable_play_next_controls()")
         self.actionPlay_next.setEnabled(True)
 
+    def export_playlist(self):
+        "Export the current playlist to an m3u file"
+
+        if not self.visible_playlist():
+            return
+
+        # Get output filename
+        pathspec = QFileDialog.getSaveFileName(
+            self, 'Save Playlist',
+            directory=f"{self.visible_playlist().db.name}.m3u",
+            filter="M3U files (*.m3u);;All files (*.*)"
+        )
+        if not pathspec:
+            return
+
+        path = pathspec[0]
+
+        if not path.endswith(".m3u"):
+            path += ".m3u"
+        with open(path, "w") as f:
+            # Required directive on first line
+            f.write("#EXTM3U\n")
+            for track in self.visible_playlist().db.get_tracks():
+                f.write(
+                    "#EXTINF:"
+                    f"{int(track.duration / 1000)},"
+                    f"{track.title} - "
+                    f"{track.artist}"
+                    "\n"
+                    f"{track.path}"
+                    "\n"
+                )
+
     def fade(self):
         "Fade currently playing track"
 

app/ui/main_window.ui

@@ -751,7 +751,7 @@ border: 1px solid rgb(85, 87, 83);</string>
      <x>0</x>
      <y>0</y>
      <width>1164</width>
-     <height>29</height>
+     <height>18</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -775,6 +775,8 @@ border: 1px solid rgb(85, 87, 83);</string>
     <addaction name="action_Clear_selection"/>
     <addaction name="separator"/>
     <addaction name="actionMoveSelected"/>
+    <addaction name="separator"/>
+    <addaction name="actionExport_playlist"/>
    </widget>
    <widget class="QMenu" name="menu_Tracks">
     <property name="title">
@@ -958,6 +960,11 @@ border: 1px solid rgb(85, 87, 83);</string>
     <string>Mo&amp;ve selected tracks to...</string>
    </property>
   </action>
+  <action name="actionExport_playlist">
+   <property name="text">
+    <string>E&amp;xport playlist...</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="icons.qrc"/>