Cleanup outgoing_interface code and help text

- Remove is_ip check as libtorrent does accept IP address for this setting.
  See: https://github.com/arvidn/libtorrent/issues/3087
- Use consistent wording for help text.

deluge/core/core.py

@@ -184,14 +184,8 @@ class Core(component.Component):
 
         self._old_outgoing_interface = None
         if outgoing_interface:
-            if not deluge.common.is_ip(outgoing_interface):
-                self._old_outgoing_interface = self.config['outgoing_interface']
-                self.config['outgoing_interface'] = outgoing_interface
-            else:
-                log.error(
-                    'Invalid outgoing interface (must be adapter name): %s',
-                    outgoing_interface,
-                )
+            self._old_outgoing_interface = self.config['outgoing_interface']
+            self.config['outgoing_interface'] = outgoing_interface
 
         # New release check information
         self.__new_release = None

deluge/core/daemon.py

@@ -76,14 +76,18 @@ class Daemon(object):
     ):
         """
         Args:
-            listen_interface (str, optional): The IP address to listen to bittorrent connections on.
-            outgoing_interface (str, optional): The IP address to open outgoing BitTorrent connections on.
-            interface (str, optional): Adapter name the daemon will listen for UI connections on.
-            port (int, optional): The port the daemon will listen for UI connections on.
-            standalone (bool, optional): If True the client is in Standalone mode otherwise, if
-                False, start the daemon as separate process.
-            read_only_config_keys (list of str, optional): A list of config keys that will not be
-                altered by core.set_config() RPC method.
+            listen_interface (str, optional): The IP address to listen to
+                BitTorrent connections on.
+            outgoing_interface (str, optional): The network interface name or
+                IP address to open outgoing BitTorrent connections on.
+            interface (str, optional): The IP address the daemon will
+                listen for UI connections on.
+            port (int, optional): The port the daemon will listen for UI
+                connections on.
+            standalone (bool, optional): If True the client is in Standalone
+                mode otherwise, if False, start the daemon as separate process.
+            read_only_config_keys (list of str, optional): A list of config
+                keys that will not be altered by core.set_config() RPC method.
         """
         self.standalone = standalone
         self.pid_file = get_config_dir('deluged.pid')

deluge/core/daemon_entry.py

@@ -49,10 +49,12 @@ def add_daemon_options(parser):
     group.add_argument(
         '-o',
         '--outgoing-interface',
-        metavar='<adapter-name>',
+        metavar='<interface>',
         dest='outgoing_interface',
         action='store',
-        help=_('The interface adapter name for outgoing BitTorrent connections.'),
+        help=_(
+            'The network interface name or IP address for outgoing BitTorrent connections.'
+        ),
     )
     group.add_argument(
         '--read-only-config-keys',

deluge/core/preferencesmanager.py

@@ -194,10 +194,8 @@ class PreferencesManager(component.Component):
         self.__set_listen_on()
 
     def _on_set_outgoing_interface(self, key, value):
-        """ Set the adapter name for outgoing BitTorrent connections."""
-        if not value or deluge.common.is_ip(value):
-            value = ''
-        value = value.strip()
+        """Set interface name or IP address for outgoing BitTorrent connections."""
+        value = value.strip() if value else ''
         self.core.apply_session_settings({'outgoing_interfaces': value})
 
     def _on_set_random_port(self, key, value):

deluge/ui/console/modes/preferences/preference_panes.py

@@ -97,8 +97,7 @@ class BasePreferencePane(BaseInputPane, BaseWindow, PopupsHandler):
                         conf_dict['listen_interface'] = listen_interface
                 elif ipt.name == 'outgoing_interface':
                     outgoing_interface = ipt.get_value().strip()
-                    if not is_ip(outgoing_interface) or not outgoing_interface:
-                        conf_dict['outgoing_interface'] = outgoing_interface
+                    conf_dict['outgoing_interface'] = outgoing_interface
                 elif ipt.name.startswith('proxy_'):
                     if ipt.name == 'proxy_type':
                         conf_dict.setdefault('proxy', {})['type'] = ipt.get_value()
@@ -361,7 +360,8 @@ class NetworkPane(BasePreferencePane):
         self.add_text_input(
             'outgoing_interface',
             _(
-                'The interface adapter name for outgoing BitTorrent connections. (Leave empty for default.):'
+                'The network interface name or IP address for outgoing '
+                'BitTorrent connections. (Leave empty for default.):'
             ),
             core_conf['outgoing_interface'],
         )

deluge/ui/gtkui/glade/preferences_dialog.ui

@@ -2925,7 +2925,7 @@ used sparingly.</property>
                                         <property name="visible">True</property>
                                         <property name="can_focus">True</property>
                                         <property name="tooltip_text" translatable="yes">
-The interface adapter name for outgoing BitTorrent connections. (Leave empty for default.)
+The network interface name or IP address for outgoing BitTorrent connections. (Leave empty for default.)
                                         </property>
                                         <property name="max_length">15</property>
                                         <property name="invisible_char">●</property>

deluge/ui/gtkui/preferences.py

@@ -680,11 +680,9 @@ class Preferences(component.Component):
         incoming_address = self.builder.get_object('entry_interface').get_text().strip()
         if deluge.common.is_ip(incoming_address) or not incoming_address:
             new_core_config['listen_interface'] = incoming_address
-        outgoing_interface = (
+        new_core_config['outgoing_interface'] = (
             self.builder.get_object('entry_outgoing_interface').get_text().strip()
         )
-        if not deluge.common.is_ip(outgoing_interface) or not outgoing_interface:
-            new_core_config['outgoing_interface'] = outgoing_interface
         new_core_config['peer_tos'] = self.builder.get_object(
             'entry_peer_tos'
         ).get_text()