def _getProp(self, obj: QtCore.QObject) -> QtQml.QQmlProperty:
"""Get the QML property instance
Parameters
----------
obj:
QObject to get property from
Returns
-------
Property object
Raises
------
AttributeError
The QObject does not have such a propery
"""
p = QtQml.QQmlProperty(obj, self._name)
if not p.isValid():
raise AttributeError(f"no QML-defined property named {self._name}")
return p
def _getProp(self, name: str) -> QtQml.QQmlProperty:
"""Get the QML property instance
Parameters
----------
name
Property name
Returns
-------
Property object
Raises
------
AttributeError
The :py:attr:`instance_` does not have such a propery
"""
p = QtQml.QQmlProperty(self.instance_, name, self._engine)
if not p.isValid():
raise AttributeError(f"'{type(self.instance_)}' has no property "
f"'{name}'")
return p
