From f182953c354774f065499bdf95cb853894952f5c Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 22 Dec 2010 11:53:20 -0700
Subject: [PATCH] Add an entry to the menu for the calibre library to pick a
 random book. Fixes #8010 (random book)

---
 src/calibre/gui2/actions/choose_library.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/calibre/gui2/actions/choose_library.py b/src/calibre/gui2/actions/choose_library.py
index b1f0bd6b0e..6f4e883b1a 100644
--- a/src/calibre/gui2/actions/choose_library.py
+++ b/src/calibre/gui2/actions/choose_library.py
@@ -166,6 +166,7 @@ class ChooseLibraryAction(InterfaceAction):
         self.choose_menu = QMenu(self.gui)
         self.qaction.setMenu(self.choose_menu)
 
+
         if not os.environ.get('CALIBRE_OVERRIDE_DATABASE_PATH', None):
             self.choose_menu.addAction(self.action_choose)
 
@@ -176,6 +177,11 @@ class ChooseLibraryAction(InterfaceAction):
             self.delete_menu = QMenu(_('Delete library'))
             self.delete_menu_action = self.choose_menu.addMenu(self.delete_menu)
 
+        ac = self.create_action(spec=(_('Pick a random book'), 'catalog.png',
+            None, None), attr='action_pick_random')
+        ac.triggered.connect(self.pick_random)
+        self.choose_menu.addAction(ac)
+
         self.rename_separator = self.choose_menu.addSeparator()
 
         self.switch_actions = []
@@ -213,6 +219,12 @@ class ChooseLibraryAction(InterfaceAction):
         self.maintenance_menu.addAction(ac)
         self.choose_menu.addMenu(self.maintenance_menu)
 
+    def pick_random(self, *args):
+        import random
+        pick = random.randint(0, self.gui.library_view.model().rowCount(None))
+        self.gui.library_view.set_current_row(pick)
+        self.gui.library_view.scroll_to_row(pick)
+
     def library_name(self):
         db = self.gui.library_view.model().db
         path = db.library_path