forked from VimPlug/jedi
35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
'''
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Decorators are not really values, however we need some wrappers to improve
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docstrings and other things around decorators.
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'''
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from jedi.inference.base_value import ValueWrapper, ValueSet
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class Decoratee(ValueWrapper):
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def __init__(self, wrapped_value, original_value):
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super().__init__(wrapped_value)
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self._original_value = original_value
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def py__doc__(self):
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return self._original_value.py__doc__()
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def py__get__(self, instance, class_value):
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return ValueSet(
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Decoratee(v, self._original_value)
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for v in self._wrapped_value.py__get__(instance, class_value)
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)
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def get_signatures(self):
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signatures = self._wrapped_value.get_signatures()
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if signatures:
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return signatures
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# Fallback to signatures of the original function/class if the
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# decorator has no signature or it is not inferrable.
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#
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# __get__ means that it's a descriptor. In that case we don't return
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# signatures, because they are usually properties.
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if not self._wrapped_value.py__getattribute__('__get__'):
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return self._original_value.get_signatures()
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return []
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