deprecated.py
22 lines
| 783 B
| text/x-python
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r21081 | """Decorator for warning about deprecated widget classes""" | ||
| # Copyright (c) IPython Development Team. | ||||
| # Distributed under the terms of the Modified BSD License. | ||||
| from warnings import warn | ||||
| def DeprecatedClass(base, class_name): | ||||
| """Warn about a deprecated class on instantiation""" | ||||
| # Hook the init method of the base class. | ||||
| def init_hook(self, *pargs, **kwargs): | ||||
| base.__init__(self, *pargs, **kwargs) | ||||
| # Warn once per class. | ||||
| if base not in DeprecatedClass._warned_classes: | ||||
| DeprecatedClass._warned_classes.append(base) | ||||
| warn('"{}" is deprecated, please use "{}" instead.'.format( | ||||
| class_name, base.__name__)) | ||||
| return type(class_name, (base,), {'__init__': init_hook}) | ||||
| DeprecatedClass._warned_classes = [] | ||||