Modification of single metadata_single.py interface to add columns saying if there is a summary and a cover, add an option to automatically download a cover

src/calibre/gui2/__init__.py

@@ -123,6 +123,8 @@ def _config():
             help=_('Download social metadata (tags/rating/etc.)'))
     c.add_opt('overwrite_author_title_metadata', default=True,
             help=_('Overwrite author and title with new metadata'))
+    c.add_opt('overwrite_cover_image', default=False,
+            help=_('Overwrite cover with new new cover if existing'))
     c.add_opt('enforce_cpu_limit', default=True,
             help=_('Limit max simultaneous jobs to number of CPUs'))
     c.add_opt('tag_browser_hidden_categories', default=set(),

src/calibre/gui2/dialogs/fetch_metadata.py

@@ -48,7 +48,7 @@ class Matches(QAbstractTableModel):
         return len(self.matches)
 
     def columnCount(self, *args):
-        return 6
+        return 8
 
     def headerData(self, section, orientation, role):
         if role != Qt.DisplayRole:
@@ -61,6 +61,8 @@ class Matches(QAbstractTableModel):
             elif section == 3: text = _("Publisher")
             elif section == 4: text = _("ISBN")
             elif section == 5: text = _("Published")
+            elif section == 6: text = _("Cover?")
+            elif section == 7: text = _("Summary?")
 
             return QVariant(text)
         else:
@@ -87,6 +89,10 @@ class Matches(QAbstractTableModel):
             elif col == 5:
                 if hasattr(book.pubdate, 'timetuple'):
                     res = strftime('%b %Y', book.pubdate.timetuple())
+            elif col == 6 and book.has_cover:
+                res = 'OK'
+            elif col == 7 and book.comments:
+                res = 'OK'
             if not res:
                 return NONE
             return QVariant(res)
@@ -131,6 +137,7 @@ class FetchMetadata(QDialog, Ui_FetchMetadata):
         self.fetch_metadata()
         self.opt_get_social_metadata.setChecked(config['get_social_metadata'])
         self.opt_overwrite_author_title_metadata.setChecked(config['overwrite_author_title_metadata'])
+        self.opt_overwrite_cover_image.setChecked(config['overwrite_cover_image'])
 
 
     def show_summary(self, current, *args):
@@ -213,6 +220,13 @@ class FetchMetadata(QDialog, Ui_FetchMetadata):
             _hung_fetchers.add(self.fetcher)
         if hasattr(self, '_hangcheck') and self._hangcheck.isActive():
             self._hangcheck.stop()
+        #option configure
+        if self.opt_get_social_metadata.isChecked() != config['get_social_metadata']:
+           config.set('get_social_metadata', self.opt_get_social_metadata.isChecked())
+        if self.opt_overwrite_author_title_metadata.isChecked() != config['overwrite_author_title_metadata']:
+           config.set('overwrite_author_title_metadata', self.opt_overwrite_author_title_metadata.isChecked())
+        if self.opt_overwrite_cover_image.isChecked() != config['overwrite_cover_image']:
+           config.set('overwrite_cover_image', self.opt_overwrite_cover_image.isChecked())
 
     def __enter__(self, *args):
         return self

src/calibre/gui2/dialogs/fetch_metadata.ui

@@ -9,7 +9,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>830</width>
+    <width>890</width>
     <height>642</height>
    </rect>
   </property>
@@ -109,6 +109,13 @@
      </layout>
     </widget>
    </item>
+   <item>
+    <widget class="QCheckBox" name="opt_overwrite_author_title_metadata">
+     <property name="text">
+      <string>Overwrite author and title with author and title of selected book</string>
+     </property>
+    </widget>
+   </item>
    <item>
     <widget class="QCheckBox" name="opt_get_social_metadata">
      <property name="text">
@@ -117,9 +124,9 @@
     </widget>
    </item>
    <item>
-    <widget class="QCheckBox" name="opt_overwrite_author_title_metadata">
+    <widget class="QCheckBox" name="opt_overwrite_cover_image">
      <property name="text">
-      <string>Overwrite author and title with author and title of selected book</string>
+      <string>Overwrite cover image with downloaded cover if available for the selected book</string>
      </property>
     </widget>
    </item>

src/calibre/gui2/dialogs/metadata_single.py

@@ -718,6 +718,8 @@ class MetadataSingleDialog(ResizableDialog, Ui_MetadataSingleDialog):
                             if book.author_sort: self.author_sort.setText(book.author_sort)
                         if book.publisher: self.publisher.setEditText(book.publisher)
                         if book.isbn: self.isbn.setText(book.isbn)
+                        if d.opt_overwrite_cover_image.isChecked() and book.has_cover:
+                            self.fetch_cover()
                         if book.pubdate:
                             d = book.pubdate
                             self.pubdate.setDate(QDate(d.year, d.month, d.day))