Decorator attrib unsupperoted where attr.ib is

[gavento]

While pylint supports attr classes with attr.ib attributes, it does not support the same with attr.attrib, which is an alias preferred by some.

Steps to reproduce

1. pylint attrib_test.py with:

import attr
from attr import attrib, attrs

@attr.s
class D1:
    d = attr.ib()

@attrs
class D2:
    d = attrib()

@attr.s
class OK:
    x1 = attr.ib(type=D1)
    x2 = attr.ib(type=D2)

    def test(self):
        return (self.x1.d, self.x2.d)

@attrs
class Err:
    x1 = attrib(type=D1)
    x2 = attrib(type=D2)

    def test(self):
        return (self.x1.d, self.x2.d)

Current behavior

Class OK reports no errors while Err reports:

[... snip docstring and too-few-methods lints]
tst.py:26:16: E1101: Instance of '_CountingAttr' has no 'd' member (no-member)
tst.py:26:27: E1101: Instance of '_CountingAttr' has no 'd' member (no-member)
[... snip docstring and too-few-methods lints]

Note the problem is not in how classes D1, D2 were declared (attr.ib or attrib).

Expected behavior

class Err should also return no errors.

python -c "from astroid import __pkginfo__; print(__pkginfo__.version)" output

2.1.0

[gavento]

It seems that recognizing attr annotations in https://github.com/PyCQA/astroid/blob/master/astroid/brain/brain_attrs.py is incomplete (both for classes and attributes).

[PCManticore]

@gavento That's true. Would you like to submit a patch?