Sync to trunk.

src/calibre/devices/usbms/device.py

@@ -365,8 +365,8 @@ class Device(DeviceConfig, DevicePlugin):
                             ok[node] = False
                     except:
                         ok[node] = False
-                    if ok[node]:
                     devnodes.append(node)
+
         devnodes += list(repeat(None, 3))
         ans = tuple(['/dev/'+x if ok.get(x, False) else None for x in devnodes[:3]])
         return self.linux_swap_drives(ans)
@@ -423,7 +423,7 @@ class Device(DeviceConfig, DevicePlugin):
                     label = self.STORAGE_CARD_VOLUME_LABEL + ' 2'
             extra = 0
             while True:
-                q = '_(%d)'%extra if extra else ''
+                q = ' (%d)'%extra if extra else ''
                 if not os.path.exists('/media/'+label+q):
                     break
                 extra += 1
@@ -457,16 +457,16 @@ class Device(DeviceConfig, DevicePlugin):
             _('Unable to mount main memory (Error code: %d)')%ret)
         if not mp.endswith('/'): mp += '/'
         self._main_prefix = mp
-        cards = [x for x in (carda, cardb) if x is not None]
+        cards = [(carda, '_card_a_prefix', 'carda'),
-        prefix, typ = '_card_a_prefix', 'carda'
+                 (cardb, '_card_b_prefix', 'cardb')]
-        for card in cards:
+        for card, prefix, typ in cards:
+            if card is None: continue
             mp, ret = mount(card, typ)
             if mp is None:
                 print >>sys.stderr, 'Unable to mount card (Error code: %d)'%ret
             else:
                 if not mp.endswith('/'): mp += '/'
                 setattr(self, prefix, mp)
-                prefix, typ = '_card_b_prefix', 'cardb'
 
     def open(self):
         time.sleep(5)

src/calibre/gui2/widgets.py

@@ -180,17 +180,23 @@ class LocationModel(QAbstractListModel):
     def rowCount(self, *args):
         return 1 + len([i for i in self.free if i >= 0])
 
+    def get_device_row(self, row):
+        if row == 2 and self.free[1] == -1 and self.free[2] > -1:
+            row = 3
+        return row
+
     def data(self, index, role):
         row = index.row()
+        drow = self.get_device_row(row)
         data = NONE
         if role == Qt.DisplayRole:
-            text = self.text[row]%(human_readable(self.free[row-1])) if row > 0 \
+            text = self.text[drow]%(human_readable(self.free[drow-1])) if row > 0 \
-                            else self.text[row]%self.count
+                            else self.text[drow]%self.count
             data = QVariant(text)
         elif role == Qt.DecorationRole:
-            data = self.icons[row]
+            data = self.icons[drow]
         elif role == Qt.ToolTipRole:
-            data = QVariant(self.tooltips[row])
+            data = QVariant(self.tooltips[drow])
         elif role == Qt.SizeHintRole:
             data = QVariant(QSize(155, 90))
         elif role == Qt.FontRole:

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

@@ -26,7 +26,6 @@ class Guardian(BasicNewsRecipe):
     extra_css = 'h2 {font-size: medium;} \n h1 {text-align: left;}'
 
     feeds = [
-
         ('Front Page', 'http://www.guardian.co.uk/rss'),
         ('Business', 'http://www.guardian.co.uk/business/rss'),
         ('Sport', 'http://www.guardian.co.uk/sport/rss'),