Plugin can't find python interpreter when there are multiple SDKs defined

[cpchen]

Step 1: Are you in the right place?

• [x] I have verified there are no duplicate active or recent bugs, questions, or requests
• [ ] I have verified that I am using the latest version of the plugin.

Step 2: Describe your environment

• Plugin version: 0.10.2
• PyCharm/IDEA version: 2018.02.4 on Mac
• Pylint version: 1.7.4

Step 3: Describe the problem:

Steps to reproduce:

1. On IntelliJ, make two SDKs (one Java and one Python)
2. Try running Pylint

Observed Results:

• The interpreter configuration is returning a weird path for the interpreter. Pylint crashes.

Expected Results:

• The interpreter configuration should be set correctly, and pylint should not crash.

idea.log

[cpchen]

Continuing discussion from https://github.com/leinardi/pylint-pycharm/issues/7#issuecomment-429242023

[cpchen]

i think the configuration that points to the interpreter is in File > Project Structure > Project Settings > Project like here:

[cpchen]

here is where the dual sdks are defined

[cpchen]

thanks for the prompt responses by the way!

[vlasovskikh]

@leinardi (continuing the thread in #7) You can get a VirtualFile from String via LocalFileSystem.getInstance().findFileByIoFile(), see the docs. There are useful docs on the project / modules structure (each can have an SDK) and the layered view of files (VirtualFile / Document / PsiFile). I highly recommend The IntelliJ Architectural Overview, especial Part 2 Base Platform and Part 3 Project Model.

[cpchen]

Any update on this?

[leinardi]

Hi @cpchen, unfortunately I don't have any update on this issue because I still need to find a way to get the Python interpreter without the need of a Python file: the plugin should be able to run PyLint without the need of a Python file to check if everything is set up correctly.

What I would like to have is a list of all the interpreters available and let the user choose which one he want to use inside the plugin Settings. But I still don't know how to get this list.

[BengtOFFIS]

I am not sure if I get where exactly the issue is. However, PyCharm already has a way to select the project interpreter. Could pylint-pycharm just use the interpreter configured by the user for the current project? If the interpreter could not be found, PyCharm will also already warn the user. So, there are interpreter-level checks in place. Your checks in isPylintPathValid also verify that PyLint can be found and is working. An easier way to make sure would be to pip install --upgrade pylint, so that the Event Log can notify the user if there were any issues. PyCharm already works that way with installing Python's packaging tools into new virtual environments.

[leinardi]

Hi @BengtOFFIS, afaik this issue only happens on Intellij IDEA when you have more than one interpreter (eg Java JDK and Python).

[BengtOFFIS]

Hi @leinardi, thanks for the swift reply. I also get an error in PyCharm, where I have multiple interpreters configured for multiple projects:

17:01   Pylint Plugin
    No Python interpreter configured for the project.
    Configure Python interpreter

[BengtOFFIS]

That error occurs whenever I scan the current file, module or project with the automatically detected system pylint in C:\Python27\Scripts\ or with the interpreter pylint in .tox\py37\Scripts\ under Windows.

[BengtOFFIS]

The error in my idea.log at least seems similar to what @cpchen is seeing, if you search for "harm.pylint.plapi.PylintRunner - Error":

idea.log

Also I noticed that it does not make a difference whether or not I set the pylint path to the virtual environment or not, I always see "No config file found, using default configuration".

[leinardi]

Mmm I see, I did not take in consideration the possibility of having multiple interpreters when I developed the plugin. Adding support for it now is going to require quite some effort and I fear I don't have the time currently.

I think that, to properly handle it, I should follow the suggestion from @vlasovskikh and get the interpreter directly from the file. This means build a separate list of files to scan for each interpreter and starting multiple PyLint process for each list.

I might find some time at the end of next month or start of next year to look at this. But PR are welcome (if someone want to work on this, before start the coding let's have a talk and agree on a shared solution).

[stale[bot]]

This issue has been automatically marked as stale because it has not had activity in the last 60 days.

[fjmacagno]

It looks like this is still a problem?