# pylint: disable=too-few-public-methods, no-absolute-import,missing-docstring,import-error,wrong-import-position # pylint: disable=wrong-import-order def decorator(fun): """Decorator""" return fun class DemoClass(object): """Test class for method invocations.""" @staticmethod def static_method(arg): """static method.""" return arg + arg @classmethod def class_method(cls, arg): """class method""" return arg + arg def method(self, arg): """method.""" return (self, arg) @decorator def decorated_method(self, arg): """decorated method.""" return (self, arg) def function_1_arg(first_argument): """one argument function""" return first_argument def function_3_args(first_argument, second_argument, third_argument): """three arguments function""" return first_argument, second_argument, third_argument def function_default_arg(one=1, two=2): """fonction with default value""" return two, one function_1_arg(420) function_1_arg() # [no-value-for-parameter] function_1_arg(1337, 347) # [too-many-function-args] function_3_args(420, 789) # [no-value-for-parameter] # +1:[no-value-for-parameter,no-value-for-parameter,no-value-for-parameter] function_3_args() function_3_args(1337, 347, 456) function_3_args('bab', 'bebe', None, 5.6) # [too-many-function-args] function_default_arg(1, two=5) function_default_arg(two=5) function_1_arg(bob=4) # [unexpected-keyword-arg,no-value-for-parameter] function_default_arg(1, 4, coin="hello") # [unexpected-keyword-arg] function_default_arg(1, one=5) # [redundant-keyword-arg] # Remaining tests are for coverage of correct names in messages. LAMBDA = lambda arg: 1 LAMBDA() # [no-value-for-parameter] def method_tests(): """Method invocations.""" demo = DemoClass() demo.static_method() # [no-value-for-parameter] DemoClass.static_method() # [no-value-for-parameter] demo.class_method() # [no-value-for-parameter] DemoClass.class_method() # [no-value-for-parameter] demo.method() # [no-value-for-parameter] DemoClass.method(demo) # [no-value-for-parameter] demo.decorated_method() # [no-value-for-parameter] DemoClass.decorated_method(demo) # [no-value-for-parameter] # Test a regression (issue #234) import sys class Text(object): """ Regression """ if sys.version_info > (3,): def __new__(cls): """ empty """ return object.__new__(cls) else: def __new__(cls): """ empty """ return object.__new__(cls) Text() class TestStaticMethod(object): @staticmethod def test(first, second=None, **kwargs): return first, second, kwargs def func(self): self.test(42) self.test(42, second=34) self.test(42, 42) self.test() # [no-value-for-parameter] self.test(42, 42, 42) # [too-many-function-args] class TypeCheckConstructor(object): def __init__(self, first, second): self.first = first self.second = second def test(self): type(self)(1, 2, 3) # [too-many-function-args] # +1: [no-value-for-parameter,no-value-for-parameter] type(self)() type(self)(1, lala=2) # [no-value-for-parameter,unexpected-keyword-arg] type(self)(1, 2) type(self)(first=1, second=2) class Test(object): """ lambda needs Test instance as first argument """ lam = lambda self, icon: (self, icon) def test(self): self.lam(42) self.lam() # [no-value-for-parameter] self.lam(1, 2, 3) # [too-many-function-args] Test().lam() # [no-value-for-parameter] # Don't emit a redundant-keyword-arg for this example, # it's perfectly valid class Issue642(object): attr = 0 def __str__(self): return "{self.attr}".format(self=self) # These should not emit anything regarding the number of arguments, # since they have something invalid. from ala_bala_portocola import unknown # pylint: disable=not-a-mapping,not-an-iterable function_1_arg(*unknown) function_1_arg(1, *2) function_1_arg(1, 2, 3, **unknown) function_1_arg(4, 5, **1) function_1_arg(5, 6, **{unknown: 1}) function_1_arg(**{object: 1}) function_1_arg(**{1: 2}) def no_context_but_redefined(*args): args = [1] #+1: [no-value-for-parameter, no-value-for-parameter] expect_three(*list(args)) def no_context_one_elem(*args): expect_three(args) # [no-value-for-parameter, no-value-for-parameter] # Don't emit no-value-for-parameter for this, since we # don't have the context at our disposal. def expect_three(one, two, three): return one + two + three def no_context(*args): expect_three(*args) def no_context_two(*args): expect_three(*list(args)) def no_context_three(*args): expect_three(*set(args)) def compare_prices(arg): return set((arg, )) def find_problems2(prob_dates): for fff in range(10): prob_dates |= compare_prices(fff) from collections import namedtuple def namedtuple_replace_issue_1036(): cls = namedtuple('cls', 'a b c') new_instance = cls(1, 2, 3)._replace( a=24, b=24, c=42 ) # +1:[unexpected-keyword-arg,unexpected-keyword-arg] new_bad_instance = cls(1, 2, 3)._replace(d=24, e=32) return new_instance, new_bad_instance