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# pylint: disable=too-few-public-methods, super-init-not-called
# pylint: disable=no-classmethod-decorator
"""Test external access to protected class members."""
class MyClass:
"""Class with protected members."""
_cls_protected = 5
def __init__(self, other):
MyClass._cls_protected = 6
self._protected = 1
self.public = other
self.attr = 0
def test(self):
"""Docstring."""
self._protected += self._cls_protected
print(self.public._haha) # [protected-access]
def clsmeth(cls):
"""Docstring."""
cls._cls_protected += 1
print(cls._cls_protected)
clsmeth = classmethod(clsmeth)
def _private_method(self):
"""Doing nothing."""
class Subclass(MyClass):
"""Subclass with protected members."""
def __init__(self):
MyClass._protected = 5
super()._private_method()
INST = Subclass()
INST.attr = 1
print(INST.attr)
INST._protected = 2 # [protected-access]
print(INST._protected) # [protected-access]
INST._cls_protected = 3 # [protected-access]
print(INST._cls_protected) # [protected-access]
class Issue1031:
"""Test for GitHub issue 1031"""
_attr = 1
def correct_access(self):
"""Demonstrates correct access"""
return type(self)._attr
def incorrect_access(self):
"""Demonstrates incorrect access"""
if self._attr == 1:
return type(INST)._protected # [protected-access]
return None
class Issue1802:
"""Test for GitHub issue 1802"""
def __init__(self, value):
self._foo = value
self.__private = 2 * value
def __eq__(self, other):
"""Test a correct access as the access to protected member is in a special method"""
if isinstance(other, self.__class__):
answer = self._foo == other._foo
return answer and self.__private == other.__private # [protected-access]
return False
def not_in_special(self, other):
"""
Test an incorrect access as the access to protected member is not inside a special method
"""
if isinstance(other, self.__class__):
return self._foo == other._foo # [protected-access]
return False
def __le__(self, other):
"""
Test a correct access as the access to protected member
is inside a special method even if it is deeply nested
"""
if 2 > 1: # pylint: disable=comparison-of-constants
if isinstance(other, self.__class__):
if "answer" == "42": # pylint: disable=comparison-of-constants
return self._foo == other._foo
return False
def __fake_special__(self, other):
"""
Test an incorrect access as the access
to protected member is not inside a licit special method
"""
if isinstance(other, self.__class__):
return self._foo == other._foo # [protected-access]
return False
class Issue1159OtherClass:
"""Test for GitHub issue 1159"""
_foo = 0
def __init__(self):
self._bar = 0
class Issue1159:
"""Test for GitHub issue 1159"""
_foo = 0
def __init__(self):
self._bar = 0
@classmethod
def access_cls_attr(cls):
"""
Access to protected class members inside class methods is OK.
"""
_ = cls._foo
@classmethod
def assign_cls_attr(cls):
"""
Assignment to protected class members inside class methods is OK.
"""
cls._foo = 1
@classmethod
def access_inst_attr(cls):
"""
Access to protected instance members inside class methods is OK.
"""
instance = cls()
_ = instance._bar
@classmethod
def assign_inst_attr(cls):
"""
Assignment to protected members inside class methods is OK.
"""
instance = cls()
instance._bar = 1
@classmethod
def access_other_attr(cls):
"""
Access to protected instance members of other classes is not OK.
"""
instance = Issue1159OtherClass()
instance._bar = 3 # [protected-access]
_ = instance._foo # [protected-access]
class Issue1159Subclass(Issue1159):
"""Test for GitHub issue 1159"""
@classmethod
def access_inst_attr(cls):
"""
Access to protected instance members inside class methods is OK.
"""
instance = cls()
_ = instance._bar
@classmethod
def assign_inst_attr(cls):
"""
Assignment to protected instance members inside class methods is OK.
"""
instance = cls()
instance._bar = 1
@classmethod
def access_missing_member(cls):
"""
Access to unassigned members inside class methods is not OK.
"""
instance = cls()
_ = instance._baz # [no-member,protected-access]
@classmethod
def assign_missing_member(cls):
"""
Defining attributes outside init is still not OK.
"""
instance = cls()
instance._qux = 1 # [attribute-defined-outside-init]
@classmethod
def access_other_attr(cls):
"""
Access to protected instance members of other classes is not OK.
"""
instance = Issue1159OtherClass()
instance._bar = 3 # [protected-access]
_ = instance._foo # [protected-access]
class Issue3066:
"""Test for GitHub issue 3066
Accessing of attributes/methods of inner and outer classes
https://github.com/pylint-dev/pylint/issues/3066"""
attr = 0
_attr = 1
@staticmethod
def _bar(i):
"""Docstring."""
@staticmethod
def foobar(i):
"""Test access from outer class"""
Issue3066._attr = 2
Issue3066.Aclass._attr = "y" # [protected-access]
Issue3066.Aclass.Bclass._attr = "b" # [protected-access]
Issue3066._bar(i)
Issue3066.Aclass._bar(i) # [protected-access]
Issue3066.Aclass.Bclass._bar(i) # [protected-access]
class Aclass:
"""Inner class for GitHub issue 3066"""
_attr = "x"
@staticmethod
def foobar(i):
"""Test access from inner class"""
Issue3066._attr = 2 # [protected-access]
Issue3066.Aclass._attr = "y"
Issue3066.Aclass.Bclass._attr = "b" # [protected-access]
Issue3066._bar(i) # [protected-access]
Issue3066.Aclass._bar(i)
Issue3066.Aclass.Bclass._bar(i) # [protected-access]
@staticmethod
def _bar(i):
"""Docstring."""
class Bclass:
"""Inner inner class for GitHub issue 3066"""
_attr = "a"
@staticmethod
def foobar(i):
"""Test access from inner inner class"""
Issue3066._attr = 2 # [protected-access]
Issue3066.Aclass._attr = "y" # [protected-access]
Issue3066.Aclass.Bclass._attr = "b"
Issue3066._bar(i) # [protected-access]
Issue3066.Aclass._bar(i) # [protected-access]
Issue3066.Aclass.Bclass._bar(i)
@staticmethod
def _bar(i):
"""Docstring."""
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