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scripts/rainbowizer/rainbow.py

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+from PyQt4.Qt import QAction
+from PyQt4.QtCore import QObject
+from PyQt4.QtCore import Qt
+from PyQt4.QtCore import SIGNAL
+
+from PyQt4.QtGui import QColor
+
+import clementine
+
+
+class RainbowizerScript(QObject):
+
+  priority = 1
+  colors = [ QColor("#ec1e24"),
+             QColor("#f45a2c"),
+             QColor("#fcf204"),
+             QColor("#3cb64c"),
+             QColor("#04aeec"),
+             QColor("#242264"),
+             QColor("#94268c") ];
+
+  def __init__(self):
+    QObject.__init__(self)
+
+    self.action = QAction("rainbowize_playlist", self)
+    self.action.setText("Rainbowize!")
+    self.action.setCheckable(True)
+    self.connect(self.action, SIGNAL("changed()"), self.rainbowize)
+
+    clementine.ui.AddAction('playlist_menu', self.action)
+
+  def rainbowize(self):
+    for playlist in clementine.playlists.GetAllPlaylists():
+      if self.action.isChecked():
+        i = 0
+
+        for item in playlist.GetAllItems():
+          i = (i + 1) % len(self.colors)
+          item.SetBackgroundColor(self.priority, self.colors[i])
+
+      else:
+        # undo all rainbow colors
+        for item in playlist.GetAllItems():
+          item.RemoveBackgroundColor(self.priority)
+
+
+script = RainbowizerScript()

scripts/rainbowizer/script.ini

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+[Script]
+name=Rainbowizer
+description=This is a sample plugin designed to show you how to use the color API of playlist items. It rainbowizes your playlist for better user experience!
+author=Pawel Bara <keirangtp ( at ) gmail.com>
+url=http://www.clementine-player.org
+icon=icon.jpg
+
+language=python
+script_file=rainbow.py