Tab info for previous / current / next track

app/config.py

@@ -22,6 +22,7 @@ class Config(object):
     ERRORS_TO = ['kae@midnighthax.com']
     FADE_STEPS = 20
     FADE_TIME = 3000
+    INFO_TAB_TITLE_LENGTH = 15
     LOG_LEVEL_STDERR = logging.INFO
     LOG_LEVEL_SYSLOG = logging.DEBUG
     LOG_NAME = "musicmuster"
@@ -30,6 +31,7 @@ class Config(object):
     MAIL_SERVER = os.environ.get('MAIL_SERVER') or "woodlands.midnighthax.com"
     MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
     MAIL_USE_TLS = os.environ.get('MAIL_USE_TLS') is not None
+    MAX_INFO_TABS = 3
     MILLISECOND_SIGFIGS = 0
     MYSQL_CONNECT = os.environ.get('MYSQL_CONNECT') or "mysql+mysqldb://musicmuster:musicmuster@localhost/musicmuster_dev"  # noqa E501
     NORMALISE_ON_IMPORT = True

app/musicmuster.py

@@ -9,8 +9,9 @@ import urllib.parse
 from datetime import datetime, timedelta
 from log import DEBUG, EXCEPTION
 
-from PyQt5.QtCore import Qt, QTimer
+from PyQt5.QtCore import Qt, QTimer, QUrl
 from PyQt5.QtGui import QFontMetrics, QPainter
+from PyQt5.QtWebEngineWidgets import QWebEngineView as QWebView
 from PyQt5.QtWidgets import (
     QApplication,
     QDialog,
@@ -63,6 +64,7 @@ class Window(QMainWindow, Ui_MainWindow):
         self.music = music.Music()
         self.current_track = None
         self.current_track_playlist_tab = None
+        self.info_tabs = {}
         self.next_track = None
         self.next_track_playlist_tab = None
         self.previous_track = None
@@ -263,6 +265,42 @@ class Window(QMainWindow, Ui_MainWindow):
         # Enable controls
         self.enable_play_next_controls()
 
+    def ensure_info_tabs(self, title_list):
+        """
+        Ensure we have info tabs for each of the passed titles
+        """
+
+        for title in title_list:
+            if title in self.info_tabs.keys():
+                # We already have a tab for this track
+                continue
+            # import ipdb; ipdb.set_trace()
+            if len(self.info_tabs) >= Config.MAX_INFO_TABS:
+                # Find an unneeded info tab
+                try:
+                    old_title = list(
+                        set(self.info_tabs.keys()) - set(title_list)
+                    )[0]
+                except IndexError:
+                    DEBUG(
+                        f"ensure_info_tabs({title_list}): unable to add "
+                        f"{title=}"
+                    )
+                    return
+                # Assign redundant widget a new title
+                widget = self.info_tabs[title] = self.info_tabs[old_title]
+                idx = self.tabPlaylist.indexOf(widget)
+                self.tabPlaylist.setTabText(
+                    idx, title[:Config.INFO_TAB_TITLE_LENGTH])
+                del self.info_tabs[old_title]
+            else:
+                widget = self.info_tabs[title] = QWebView()
+                self.tabPlaylist.addTab(
+                    widget, title[:Config.INFO_TAB_TITLE_LENGTH])
+            str = urllib.parse.quote_plus(title)
+            url = f"https://www.wikipedia.org/w/index.php?search={str}"
+            widget.setUrl(QUrl(url))
+
     def export_playlist_tab(self):
         "Export the current playlist to an m3u file"
 
@@ -667,32 +705,39 @@ class Window(QMainWindow, Ui_MainWindow):
                 self.stop_playing()
 
     def update_headers(self):
-        "Update last / current / next track headers"
+        """
+        Update last / current / next track headers.
+        Ensure a Wikipedia tab for each title.
+        """
+
+        titles = []
 
         try:
             self.hdrPreviousTrack.setText(
-                f"{self.previous_track.title} - "
+                f"{self.previous_track.title} - {self.previous_track.artist}"
-                f"{self.previous_track.artist}"
             )
+            titles.append(self.previous_track.title)
         except AttributeError:
             self.hdrPreviousTrack.setText("")
 
         try:
             self.hdrCurrentTrack.setText(
-                f"{self.current_track.title} - "
+                f"{self.current_track.title} - {self.current_track.artist}"
-                f"{self.current_track.artist}"
             )
+            titles.append(self.current_track.title)
         except AttributeError:
             self.hdrCurrentTrack.setText("")
 
         try:
             self.hdrNextTrack.setText(
-                f"{self.next_track.title} - "
+                f"{self.next_track.title} - {self.next_track.artist}"
-                f"{self.next_track.artist}"
             )
+            titles.append(self.next_track.title)
         except AttributeError:
             self.hdrNextTrack.setText("")
 
+        self.ensure_info_tabs(titles)
+
 
 class DbDialog(QDialog):
     def __init__(self, parent, session):