64 lines
1.6 KiB
Python
64 lines
1.6 KiB
Python
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"""Check exceeding negations in boolean expressions trigger warnings"""
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# pylint: disable=singleton-comparison,too-many-branches,too-few-public-methods,undefined-variable
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# pylint: disable=literal-comparison
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def unneeded_not():
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"""This is not ok
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"""
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bool_var = True
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someint = 2
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if not not bool_var: # [unneeded-not]
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pass
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if not someint == 1: # [unneeded-not]
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pass
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if not someint != 1: # [unneeded-not]
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pass
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if not someint < 1: # [unneeded-not]
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pass
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if not someint > 1: # [unneeded-not]
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pass
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if not someint <= 1: # [unneeded-not]
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pass
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if not someint >= 1: # [unneeded-not]
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pass
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if not not someint: # [unneeded-not]
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pass
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if not bool_var == True: # [unneeded-not]
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pass
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if not bool_var == False: # [unneeded-not]
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pass
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if not bool_var != True: # [unneeded-not]
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pass
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if not True == True: # [unneeded-not]
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pass
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if not 2 in [3, 4]: # [unneeded-not]
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pass
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if not someint is 'test': # [unneeded-not]
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pass
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def tolerated_statements():
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"""This is ok"""
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bool_var = True
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someint = 2
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if not(bool_var == False and someint == 1):
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pass
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if 2 not in [3, 4]:
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pass
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if not someint == bool_var == 2:
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pass
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if not 2 <= someint < 3 < 4:
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pass
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if not set('bar') <= set('foobaz'):
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pass
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if not set(something) <= 3:
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pass
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if not frozenset(something) <= 3:
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pass
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class Klass(object):
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"""This is also ok"""
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def __ne__(self, other):
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return not self == other
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