Handle image errors, tweak desc of Update Cover option.

calibre-plugin/config.py

@@ -241,7 +241,7 @@ class BasicTab(QWidget):
         self.l.addWidget(self.updatemeta)
 
         self.updatecover = QCheckBox('Update Cover when Updating Metadata?',self)
-        self.updatecover.setToolTip('Update cover image when metadata is updated.  EPUB only.')
+        self.updatecover.setToolTip("Update cover image from EPUB when metadata is updated.  (EPUB only.)\nDoesn't go looking for new images on 'Update Calibre Metadata Only'.")
         self.updatecover.setChecked(prefs['updatecover'])
         self.l.addWidget(self.updatecover)
 

fanficdownloader/story.py

@@ -305,10 +305,15 @@ class Story:
         if imgurl not in self.imgurls:
             parsedUrl = urlparse.urlparse(imgurl)
             sizes = [ int(x) for x in configurable.getConfigList('image_max_size') ]
-            (data,ext,mime) = convert_image(imgurl,
-                                            fetch(imgurl),
-                                            sizes,
-                                            configurable.getConfig('grayscale_images'))
+            try:
+                (data,ext,mime) = convert_image(imgurl,
+                                                fetch(imgurl),
+                                                sizes,
+                                                configurable.getConfig('grayscale_images'))
+            except Exception, e:
+                print("Failed to load image, skipping:\n%s\nException: %s"%(imgurl,e))
+                return "failedtoload"
+            
             # explicit cover, make the first image.
             if cover:
                 if len(self.imgtuples) > 0 and 'cover' in self.imgtuples[0]['newsrc']: