Fix some mypy warnings

qubesdbus/proxy.py

@@ -67,7 +67,7 @@ class QubesDbusProxy(Extension):
     def __init__(self):
         super(QubesDbusProxy, self).__init__()
         self.domains = {}  # type: Dict[int, bool]
-        self.new_vm = []
+        self.new_vm = [] # type: List[QubesVM]
 
     @handler('*')
     def forward_vm_event(self, vm, event, *args, **kwargs):

qubesdbus/serialize.py

@@ -83,7 +83,7 @@ def label_data(lab):
             value = getattr(lab, name)
             result[name] = dbus.String(value)
         except AttributeError:
-            result[name] = ''
+            result[name] = dbus.String('')
     return result
 
 
@@ -109,7 +109,7 @@ def serialize_val(value):
 
 
 def label_path(label):
-    # type: (qubes.Label) -> dbus.ObjectPath
+    # type: (Label) -> dbus.ObjectPath
     ''' Return the D-Bus object path for a `qubes.Label` '''
     return dbus.ObjectPath('/org/qubes/Labels1/labels/' + label.name)
 

stubs/dbus/__init__.pyi

@@ -21,8 +21,10 @@ def SessionBus() -> dbus._dbus.SessionBus: ...
 
 class String(str): ...
 class Boolean(int): ...
+class Int32(int): ...
 
 class Array(list): ...
 class Dictionary(dict): ...
+class ObjectPath(str): ...
 # vim: syntax=python
 

stubs/libvirt/__init__.pyi

@@ -0,0 +1 @@
+class libvirtError(Exception): ...

stubs/qubes/__init__.pyi

@@ -2,3 +2,7 @@ from typing import (List)
 import qubes.vm
 class Qubes(object):
     domains = ... # type: List[qubes.vm.BaseVM]
+    labels = ... # type: Dict[str,qubes.Label]
+
+class Label(object):
+    name = ... # type: str