Implement prioritize first/last pieces

deluge/core/torrent.py

@@ -141,7 +141,13 @@ class Torrent:
         self.handle.set_download_limit(int(m_down_speed * 1024))
     
     def set_prioritize_first_last(self, prioritize):
-        self.prioritize_first_last = prioritize
+        if self.handle.get_torrent_info().num_files() == 1:
+            # We only do this if one file is in the torrent
+            self.prioritize_first_last = prioritize
+            priorities = [1] * self.handle.get_torrent_info().num_pieces()
+            priorities[0] = 7
+            priorities[-1] = 7
+            self.handle.prioritize_pieces(priorities)
             
     def set_save_path(self, save_path):
         self.save_path = save_path
@@ -161,9 +167,11 @@ class Torrent:
                     # We have a changed 'Do Not Download' to a download priority
                     self.set_state("Downloading")
                     break
-                    
+            
         self.file_priorities = file_priorities
         self.handle.prioritize_files(file_priorities)
+        # Set the first/last priorities if needed
+        self.set_prioritize_first_last(self.prioritize_first_last)
 
     def set_trackers(self, trackers):
         """Sets trackers"""