IGN:Speed up book deletion from the database and update Physics Today recipe

src/calibre/gui2/library.py

@@ -216,12 +216,9 @@ def save_to_disk(self, rows, path, single_dir=False, single_format=None,
 
 
     def delete_books(self, indices):
-        ids = [ self.id(i) for i in indices ]
+        ids = map(self.id, indices)
         for id in ids:
-            row = self.db.index(id)
-            self.beginRemoveRows(QModelIndex(), row, row)
-            self.db.delete_book(id)
-            self.endRemoveRows()
+            self.db.delete_book(id, notify=False)
         self.count_changed()
         self.clear_caches()
         self.reset()

src/calibre/library/database2.py

@@ -729,7 +729,7 @@ def add_format(self, index, format, stream, index_is_id=False, path=None, notify
         if notify:
             self.notify('metadata', [id])
         
-    def delete_book(self, id):
+    def delete_book(self, id, notify=True):
         '''
         Removes book from the result cache and the underlying database.
         '''
@@ -744,7 +744,8 @@ def delete_book(self, id):
         self.conn.commit()
         self.clean()
         self.data.books_deleted([id])
-        self.notify('delete', [id])
+        if notify:
+            self.notify('delete', [id])
     
     def remove_format(self, index, format, index_is_id=False, notify=True):
         id = index if index_is_id else self.id(index)

src/calibre/web/feeds/recipes/recipe_physics_today.py

@@ -1,5 +1,6 @@
 import re
 from calibre.web.feeds.news import BasicNewsRecipe
+from calibre import strftime
 
 class Physicstoday(BasicNewsRecipe):
     title          = u'Physicstoday'
@@ -8,6 +9,7 @@ class Physicstoday(BasicNewsRecipe):
     publisher             = 'American Institute of Physics'
     category              = 'Physics'
     language              = _('English')
+    cover_url = strftime('http://ptonline.aip.org/journals/doc/PHTOAD-home/jrnls/images/medcover%m_%Y.jpg')
     oldest_article = 30
     max_articles_per_feed = 100
     no_stylesheets        = True
@@ -17,8 +19,10 @@ class Physicstoday(BasicNewsRecipe):
     remove_tags_before = dict(name='h1')
     remove_tags =  [dict(name='div', attrs={'class':'highslide-footer'})]
     remove_tags =  [dict(name='div', attrs={'class':'highslide-header'})]
+    #remove_tags =  [dict(name='a', attrs={'class':'highslide'})]
     preprocess_regexps = [
-   (re.compile(r'<!--start PHTOAD_tail.jsp -->.*</body>', re.DOTALL|re.IGNORECASE),
+   #(re.compile(r'<!--start PHTOAD_tail.jsp -->.*</body>', re.DOTALL|re.IGNORECASE),
+   (re.compile(r'<!-- END ARTICLE and footer section -->.*</body>', re.DOTALL|re.IGNORECASE),
     lambda match: '</body>'),
 ]