More pylint fixes

tests/image.py

@@ -89,6 +89,7 @@ class TestImageParser(unittest.TestCase):
             g.os.arch = capsguest.arch
 
             g.installer = inst
+            # pylint: disable=unpacking-non-sequence
             ignore, actual_out = g.start_install(return_xml=True, dry=True)
 
             actual_out = g.get_install_xml(install=False)

virtManager/asyncjob.py

@@ -293,6 +293,7 @@ class vmmAsyncJob(vmmGObjectUI):
         error = None
         details = None
         if self._error_info:
+            # pylint: disable=unpacking-non-sequence
             error, details = self._error_info
         self._finish_cb(error, details, *self._finish_args)
 

virtManager/autodrawer.py

@@ -34,6 +34,9 @@ from virtManager import uiutil
 # pylint can't detect functions we inheirit from Gtk, ex:
 # OverBox.set_over: Instance of 'OverBox' has no 'remove' member
 
+# pylint: disable=arguments-differ
+# Newer pylint can detect, but warns that overridden arguments are wrong
+
 
 def rect_print(name, rect):
     # For debugging

virtManager/baseclass.py

@@ -85,6 +85,9 @@ class vmmGObject(GObject.GObject):
     def _cleanup(self):
         raise NotImplementedError("_cleanup must be implemented in subclass")
 
+    # pylint: disable=arguments-differ
+    # Newer pylint can detect, but warns that overridden arguments are wrong
+
     def connect(self, name, callback, *args):
         ret = GObject.GObject.connect(self, name, callback, *args)
         self._gobject_handles.append(ret)

virtManager/connection.py

@@ -865,7 +865,7 @@ class vmmConnection(vmmGObject):
         if obj:
             self.idle_add(obj.force_update_status, True)
 
-            if event == libvirt.VIR_NETWORK_EVENT_DEFINED:
+            if event == getattr(libvirt, "VIR_NETWORK_EVENT_DEFINED", 0):
                 self.idle_add(obj.refresh_xml)
         else:
             self.schedule_priority_tick(pollnet=True, force=True)
@@ -882,9 +882,9 @@ class vmmConnection(vmmGObject):
             logging.debug("Error registering domain events: %s", e)
 
         try:
+            eventid = getattr(libvirt, "VIR_NETWORK_EVENT_ID_LIFECYCLE", 0)
             self._network_cb_id = self.get_backend().networkEventRegisterAny(
-                None, libvirt.VIR_NETWORK_EVENT_ID_LIFECYCLE,
-                self._network_lifecycle_event, None)
+                None, eventid, self._network_lifecycle_event, None)
             self.using_network_events = True
             logging.debug("Using network events")
         except Exception, e:

virtManager/console.py

@@ -1534,6 +1534,7 @@ class vmmConsolePages(vmmGObjectUI):
         dy = 0
         align_ratio = float(req.width) / float(req.height)
 
+        # pylint: disable=unpacking-non-sequence
         desktop_w, desktop_h = self.viewer.get_desktop_resolution()
         if desktop_h == 0:
             return

virtManager/error.py

@@ -194,6 +194,7 @@ class vmmErrorDialog(vmmGObject):
         if not do_prompt:
             return default
 
+        # pylint: disable=unpacking-non-sequence
         res = self.warn_chkbox(text1=text1, text2=text2,
                                chktext=chktext,
                                buttons=Gtk.ButtonsType.YES_NO)

virtManager/graphwidgets.py

@@ -25,6 +25,9 @@ from gi.repository import Gtk
 # pylint can't detect functions we inheirit from Gtk, ex:
 # Instance of 'Sparkline' has no 'get_style_context' member
 
+# pylint: disable=arguments-differ
+# Newer pylint can detect, but warns that overridden arguments are wrong
+
 
 def rect_print(name, rect):
     # For debugging

virtManager/systray.py

@@ -132,6 +132,7 @@ class vmmSystray(vmmGObject):
             return
 
         if self.systray_indicator:
+            # pylint: disable=maybe-no-member
             self.systray_icon = AppIndicator3.Indicator.new("virt-manager",
                                 "virt-manager-icon",
                                 AppIndicator3.IndicatorCategory.OTHER)
@@ -155,12 +156,11 @@ class vmmSystray(vmmGObject):
                 self.init_systray()
         else:
             if self.systray_indicator:
+                # pylint: disable=maybe-no-member
+                status = AppIndicator3.IndicatorStatus.PASSIVE
                 if do_show:
-                    self.systray_icon.set_status(
-                            AppIndicator3.IndicatorStatus.ACTIVE)
-                else:
-                    self.systray_icon.set_status(
-                            AppIndicator3.IndicatorStatus.PASSIVE)
+                    status = AppIndicator3.IndicatorStatus.ACTIVE
+                self.systray_icon.set_status(status)
             else:
                 self.systray_icon.set_visible(do_show)
 

virtinst/nodedev.py

@@ -83,8 +83,9 @@ class NodeDevice(XMLBuilder):
         try:
             return _lookupNodeName(conn, name)
         except libvirt.libvirtError, e:
-            ret = _isAddressStr(name)
-            if not ret:
+            try:
+                _isAddressStr(name)
+            except:
                 raise e
 
             return _devAddressToNodedev(conn, name)
@@ -315,10 +316,10 @@ def _isAddressStr(addrstr):
             cmp_func = usbaddr_cmp
             addr_type = NodeDevice.HOSTDEV_ADDR_TYPE_USB_BUSADDR
         else:
-            return None
+            raise RuntimeError("Unknown address type")
     except:
         logging.exception("Error parsing node device string.")
-        return None
+        raise
 
     return cmp_func, devtype, addr_type
 
@@ -335,8 +336,9 @@ def _devAddressToNodedev(conn, addrstr):
         - (domain:)bus:slot.func (ex. 00:10.0 for a pci device)
     @param addrstr: C{str}
     """
-    ret = _isAddressStr(addrstr)
-    if not ret:
+    try:
+        ret = _isAddressStr(addrstr)
+    except:
         raise ValueError(_("Could not determine format of '%s'") % addrstr)
 
     cmp_func, devtype, addr_type = ret