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# pylint: disable=print-statement,missing-docstring,no-self-use,too-few-public-methods
"""check getattr if inference succeed"""
from __future__ import print_function
class Provider(object):
"""provide some attributes and method"""
cattr = 4
def __init__(self):
self.attr = 4
def method(self, val):
"""impressive method"""
return self.attr * val
def hophop(self):
"""hop method"""
print('hop hop hop', self)
class Client(object):
"""use provider class"""
def __init__(self):
self._prov = Provider()
self._prov_attr = Provider.cattr
self._prov_attr2 = Provider.cattribute # [no-member]
self.set_later = 0
def set_set_later(self, value):
"""set set_later attribute (introduce an inference ambiguity)"""
self.set_later = value
def use_method(self):
"""use provider's method"""
self._prov.hophop()
self._prov.hophophop() # [no-member]
def use_attr(self):
"""use provider's attr"""
print(self._prov.attr)
print(self._prov.attribute) # [no-member]
def debug(self):
"""print debug information"""
print(self.__class__.__name__)
print(self.__doc__)
print(self.__dict__)
print(self.__module__)
def test_bt_types(self):
"""test access to unexistant member of builtin types"""
lis = []
lis.apppend(self) # [no-member]
dic = {}
dic.set(self) # [no-member]
tup = ()
tup.append(self) # [no-member]
string = 'toto'
print(string.loower()) # [no-member]
integer = 1
print(integer.whatever) # [no-member]
def test_no_false_positives(self):
none = None
print(none.whatever)
# This will be handled when we'll understand super
super(Client, self).misssing()
class Mixin(object):
"""No no-member should be emitted for mixins."""
class Getattr(object):
"""no-member shouldn't be emitted for classes with dunder getattr."""
def __getattr__(self, attr):
return self.__dict__[attr]
class Getattribute(object):
"""no-member shouldn't be emitted for classes with dunder getattribute."""
def __getattribute__(self, attr):
return 42
print(object.__init__)
print(property.__init__)
print(Client().set_later.lower()) # [no-member]
print(Mixin().nanana())
print(Getattr().nananan())
print(Getattribute().batman())
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