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add test for #9588: false positive E1101 for augmented assignment
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test/input/func_noerror_e1101_9588_base_attr_aug_assign.py
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test/input/func_noerror_e1101_9588_base_attr_aug_assign.py
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# pylint: disable-msg=R0903
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"""
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False positive case of E1101:
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The error is triggered when the attribute set in the base class is
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modified with augmented assignment in a derived class.
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http://www.logilab.org/ticket/9588
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"""
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__revision__ = 0
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class BaseClass(object):
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"The base class"
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def __init__(self):
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"Set an attribute."
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self.e1101 = 1
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class FalsePositiveClass(BaseClass):
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"The first derived class which triggers the false positive"
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def __init__(self):
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"Augmented assignment triggers E1101."
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BaseClass.__init__(self)
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self.e1101 += 1
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def countup(self):
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"Consequently this also triggers E1101."
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self.e1101 += 1
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class NegativeClass(BaseClass):
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"The second derived class, which does not trigger the error E1101"
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def __init__(self):
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"Ordinary assignment is OK."
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BaseClass.__init__(self)
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self.e1101 = self.e1101 + 1
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def countup(self):
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"No problem."
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self.e1101 += 1
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