util.py
25 lines
| 708 B
| text/x-python
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PythonLexer
epatters
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r2643 | """ Defines miscellaneous Qt-related helper classes and functions. | ||
| """ | ||||
| # System library imports. | ||||
| from PyQt4 import QtCore | ||||
| # IPython imports. | ||||
| from IPython.utils.traitlets import HasTraits | ||||
| MetaHasTraits = type(HasTraits) | ||||
| MetaQObject = type(QtCore.QObject) | ||||
| class MetaQObjectHasTraits(MetaQObject, MetaHasTraits): | ||||
| """ A metaclass that inherits from the metaclasses of both HasTraits and | ||||
| QObject. | ||||
| Using this metaclass allows a class to inherit from both HasTraits and | ||||
| QObject. See QtKernelManager for an example. | ||||
| """ | ||||
| def __init__(cls, name, bases, dct): | ||||
| MetaQObject.__init__(cls, name, bases, dct) | ||||
| MetaHasTraits.__init__(cls, name, bases, dct) | ||||