VS Code does not honor pylint pyproject.toml file under default settings

[danrneal]

Environment data

• VS Code version: 1.47.3
• Extension version (available under the Extensions sidebar): 2020.7.96456
• OS and version: Ubuntu 18.04
• Python version (& distribution if applicable, e.g. Anaconda): 3.8.2
• Type of virtual environment used (N/A | venv | virtualenv | conda | ...): venv
• Relevant/affected Python packages and their versions: pylint 2.5.3
• Value of the python.languageServer setting: default / Jedi

Expected behaviour

Under the default settings pyproject.toml, setup.cfg, or .pylintrc file configs would be applied

Actual behaviour

These settings not applied unless Pylint Use Minimal Checkers is unchecked or explicitly set to false

Steps to reproduce:

pyproject.toml

[tool.pylint.messages_control]
disable = "undefined-variable"

And then save a python variable with an undefined variable and you will see the lint error despite the message being disabled in the pyproject.toml file

[karthiknadig]

We do detect .pylintrc and pickup the settings from it. But we don't detect pyproject.toml and setup.cfg. Can you try .pylintrc, if that is not working can you share your project layout.

[danrneal]

I can confirm that .pylintrc does in fact work as expected. It is only pyproject.toml and setup.cfg that don't work unless "use minimal checkers" is set to false.

[karthiknadig]

We added code to detect .pylintrc, but not pyproject.toml or setup.cfg. This require loading the file and paring it to see if there are any pylint settings.

[karthiknadig]

The plan is to remove pylint minimal checkers when we have this #11995. Closing this issue, since this will be addressed as a part of enabling #11995.