Fix #1944 : Use errno constants for portability

deluge/core/torrentmanager.py

@@ -848,7 +848,8 @@ class TorrentManager(component.Component):
                             os.removedirs(os.path.join(root, name))
                             log.debug("Removed Empty Folder %s", os.path.join(root, name))
                         except OSError as (errno, strerror):
-                            if errno == 39:
+                            from errno import ENOTEMPTY
+                            if errno == ENOTEMPTY:
                                 # Error raised if folder is not empty
                                 log.debug("%s", strerror)
 

deluge/plugins/AutoAdd/deluge/plugins/autoadd/core.py

@@ -268,7 +268,8 @@ class Core(CorePluginBase):
                     try:
                         os.rename(filepath, copy_torrent_file)
                     except OSError, why:
-                        if why.errno == 18:
+                        from errno import EXDEV
+                        if why.errno == errno.EXDEV:
                             # This can happen for different mount points
                             from shutil import copyfile
                             try:

deluge/ui/gtkui/connectionmanager.py

@@ -17,9 +17,9 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
+#   The Free Software Foundation, Inc.,
+#   51 Franklin Street, Fifth Floor
+#   Boston, MA  02110-1301, USA.
 #
 #    In addition, as a special exception, the copyright holders give
 #    permission to link the code of portions of this program with the OpenSSL
@@ -475,7 +475,8 @@ class ConnectionManager(component.Component):
         try:
             return client.start_daemon(port, config)
         except OSError, e:
-            if e.errno == 2:
+            from errno import ENOENT
+            if e.errno == ENOENT:
                 dialogs.ErrorDialog(
                     _("Unable to start daemon!"),
                     _("Deluge cannot find the 'deluged' executable, it is "