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# pylint: disable=print-statement,missing-docstring,no-self-use,too-few-public-methods,bare-except,broad-except
# pylint: disable=using-constant-test,expression-not-assigned
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(Client, self).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()) # [no-member]
print(Mixin().nanana())
print(Getattr().nananan())
print(Getattribute().batman())
try:
Client().missing_method()
except AttributeError:
pass
try:
Client().indeed()
except Exception:
pass
try:
Client().indeed()
except:
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()
except Exception:
pass
class SuperChecks(str, str): # pylint: disable=duplicate-bases
"""Don't fail when the MRO is invalid."""
def test(self):
super(SuperChecks, self).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]
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