def test_guess_signature_dbus_types(self):
aeq = self.assertEqual
from _dbus_bindings import Message
gs = Message.guess_signature
aeq(gs(types.Dictionary({'a':'b'})), 'a{ss}')
aeq(gs(types.Dictionary({'a':'b'}, signature='sv')), 'a{sv}')
aeq(gs(types.Dictionary({}, signature='iu')), 'a{iu}')
aeq(gs(types.Array([types.Int32(1)])), 'ai')
aeq(gs(types.Array([types.Int32(1)], signature='u')), 'au')
def test_append_Variant(self):
aeq = self.assertEqual
from _dbus_bindings import SignalMessage
s = SignalMessage('/', 'foo.bar', 'baz')
s.append(types.Int32(1, variant_level=0),
types.String('a', variant_level=42),
types.Array([types.Byte(b'a', variant_level=1),
types.UInt32(123, variant_level=1)],
signature='v'),
signature='vvv')
aeq(s.get_signature(), 'vvv')
args = s.get_args_list()
aeq(args[0].__class__, types.Int32)
aeq(args[0].variant_level, 1)
aeq(args[1].__class__, types.String)
aeq(args[1].variant_level, 42)
aeq(args[2].__class__, types.Array)
aeq(args[2].variant_level, 1)
aeq(args[2].signature, 'v')
def _get_dbus_types(s: str) -> List[Type]:
signature = Signature(s)
out = []
for entry in signature:
if entry in _DBUS_PRIMITIVES:
if entry == "y":
raise TypeError(
"dbus.Byte cannot be instantiated with default value! "
"Use ByteArray ('ay') or UInt16 ('q') instead."
)
out.append(_DBUS_PRIMITIVES[entry])
# FIXME: DBus container types get instantiated here instead of in _instantiate.
elif entry.startswith("("):
defaults = _instantiate(_get_dbus_types(entry[1:-1]))
out.append(dtype.Struct(defaults, signature=entry[1:-1]))
elif entry.startswith("a{"):
out.append(dtype.Dictionary(signature=entry[2:-1]))
elif entry.startswith("a"):
out.append(dtype.Array(signature=entry[1:]))
return out
def test_Array(self):
self.assertEqual(types.Array(['foo','bar']), ['foo','bar'])
self.assertEqual(types.Array([], variant_level=2), [])
self.assertEqual(types.Array([], variant_level=2).variant_level, 2)