Pylint can't find SQLAlchemy query member

Question

I have a Flask (v0.10.1) application using Flask-SQLAlchemy (v2.0) and I\'m trying to configure Pylint to check it. Running with Python 3.4.2.

First error was:

Answer 1

This is how I'm dealing with the issue for scoped_session. Trivial to extend to check for more cls names with SQLAlchemy attributes.

from astroid import MANAGER
from astroid import scoped_nodes

def register(_linter):
    pass

def transform(cls):
    if cls.name == 'scoped_session':
        for prop in ['add', 'delete', 'query', 'commit', 'rollback']:
            cls.locals[prop] = [scoped_nodes.Function(prop, None)]

MANAGER.register_transform(scoped_nodes.Class, transform)

Adapted from https://docs.pylint.org/en/1.6.0/plugins.html . Then make sure pylint loads your plugin.

pylint -E --load-plugins warning_plugin Lib/warnings.py

(or load it in pylintrc)