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# pylint: disable=missing-docstring,no-self-use,too-few-public-methods,bare-except,broad-except, useless-object-inheritance, unused-private-member
# pylint: disable=using-constant-test,expression-not-assigned, assigning-non-slot, unused-variable,pointless-statement, wrong-import-order, wrong-import-position,import-outside-toplevel
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)
# No misssing in the parents.
super().misssing() # [no-member]
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())
print(Mixin().nanana())
print(Getattr().nananan())
print(Getattribute().batman())
try:
Client().missing_method()
except AttributeError:
pass
try:
Client().indeed() # [no-member]
except ImportError:
pass
try:
Client.missing()
except AttributeError:
Client.missing() # [no-member]
try:
Client.missing()
except AttributeError:
try:
Client.missing() # [no-member]
except ValueError:
pass
try:
if Client:
Client().missing()
except AttributeError:
pass
try:
Client().indeed()
except AttributeError:
try:
Client.missing() # [no-member]
except Exception:
pass
class SuperChecks(str, str): # pylint: disable=duplicate-bases
"""Don't fail when the MRO is invalid."""
def test(self):
super().lalala()
type(Client()).ala # [no-member]
type({}).bala # [no-member]
type('').portocala # [no-member]
def socket_false_positive():
"""Test a regression
Version used:
- Pylint 0.10.0
- Logilab common 0.15.0
- Logilab astroid 0.15.1
False E1101 positive, line 23:
Instance of '_socketobject' has no 'connect' member
"""
import socket
sckt = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sckt.connect(('127.0.0.1', 80))
sckt.close()
def no_conjugate_member(magic_flag):
"""should not raise E1101 on something.conjugate"""
if magic_flag:
something = 1.0
else:
something = 1.0j
if isinstance(something, float):
return something
return something.conjugate()
class NoDunderNameInInstance(object):
"""Emit a warning when accessing __name__ from an instance."""
def __init__(self):
self.var = self.__name__ # [no-member]
class InvalidAccessBySlots(object):
__slots__ = ('a', )
def __init__(self):
var = self.teta # [no-member]
self.teta = 24
class MetaWithDynamicGetattr(type):
def __getattr__(cls, attr):
return attr
class SomeClass(object, metaclass=MetaWithDynamicGetattr):
pass
SomeClass.does_not_exist
class ClassWithMangledAttribute(object):
def __init__(self):
self.name = 'Bug1643'
def __bar(self):
print(self.name + "xD")
ClassWithMangledAttribute()._ClassWithMangledAttribute__bar() # pylint: disable=protected-access
import enum
class Cls(enum.IntEnum):
BAR = 0
SOME_VALUE = Cls.BAZ # [no-member]
# Does not crash when inferring the `append` attribute on the slice object
class SomeClassUsingSlice:
def __init__(self, flag):
if flag:
self.attribute = slice(None)
else:
self.attribute = []
self.attribute.append(1)
from enum import Enum
class Animal(Enum):
ANT = 1
BEE = 2
CAT = 3
DOG = 4
# To test false positive no-member on Enum.__members__.items()
for itm in Animal.__members__.items():
print(itm)
for keyy in Animal.__members__.keys(): # pylint: disable=consider-iterating-dictionary
print(keyy)
for vall in Animal.__members__.values():
print(vall)
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