Fix add_torrent_url() to download the torrent file in a thread to

prevent the main thread from blocking and causing the daemon to freeze.

ChangeLog

@@ -3,6 +3,8 @@ Deluge 1.0.1 (In Development)
   * Change the default max global upload slots to 4 instead of -1 since libtorrent
     will automatically open more slots to meet the upload speed limit.
   * Fix display of tracker error messages
+  * Fix add_torrent_url() to download the torrent file in a thread to prevent
+    the main thread from blocking and causing the daemon to freeze.
 
  GtkUI:
   * Improve performance of files tab by only updating when values change

deluge/core/core.py

@@ -396,9 +396,12 @@ class Core(
         # Run the plugin hooks for 'post_torrent_add'
         self.plugins.run_post_torrent_add(torrent_id)
 
-    def export_add_torrent_url(self, url, save_path, options):
+    def export_add_torrent_url(self, url, options):
         log.info("Attempting to add url %s", url)
 
+        threading.Thread(target=self.fetch_torrent_url_thread, args=(self.export_add_torrent_file, url, options)).start()
+
+    def fetch_torrent_url_thread(self, callback, url, options):
         # Get the actual filename of the torrent from the url provided.
         filename = url.split("/")[-1]
         
@@ -415,8 +418,7 @@ class Core(
             return False
 
         # Add the torrent to session
-        return self.export_add_torrent_file(
+        return callback(filename, filedump, options)
-            filename, filedump, options)
         
     def export_remove_torrent(self, torrent_ids, remove_torrent, remove_data):
         log.debug("Removing torrent %s from the core.", torrent_ids)

deluge/ui/webui/torrent_add.py

@@ -119,7 +119,7 @@ class torrent_add:
             return
 
         if vars.url:
-            proxy.add_torrent_url(vars.url, None,options)
+            proxy.add_torrent_url(vars.url, options)
             log.debug("add-url:options :%s" % options)
             self.redirect(vars.choose_files)
         elif torrent_name: