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47 lines
799 B
47 lines
799 B
4 years ago
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class A:
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var = 132
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def __init__(self):
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self.var2 = 34
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def meth(self, i):
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return 42 + i
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a = A()
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print(hasattr(a, "var"))
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print(hasattr(a, "var2"))
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print(hasattr(a, "meth"))
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print(hasattr(a, "_none_such"))
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print(hasattr(list, "foo"))
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class C:
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def __getattr__(self, attr):
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if attr == "exists":
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return attr
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elif attr == "raise":
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raise Exception(123)
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raise AttributeError
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c = C()
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print(hasattr(c, "exists"))
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print(hasattr(c, "doesnt_exist"))
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# ensure that non-AttributeError exceptions propagate out of hasattr
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try:
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hasattr(c, "raise")
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except Exception as er:
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print(er)
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try:
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hasattr(1, b'123')
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except TypeError:
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print('TypeError')
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try:
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hasattr(1, 123)
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except TypeError:
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print('TypeError')
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