Fix pylinting single file

[leohemsted]

as pointed out here, opening a single file leads to problems as projDir is set to [...]/dir/my_file.py instead of [...]/dir.

i'm barely familiar with atom packages or coffeescript so let me know if there's any better way to solved this

also it works on windows (64bit) - will test on ubuntu in a bit, don't have an OSX install to hand to test on that.

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This change is

[Arcanemagus]

Travis is testing on OS X btw 😉.

[Arcanemagus]

Might be clearer to replace the path.parse(filePath).dir with path.dirname(filePath)?

[leohemsted]

@Arcanemagus updated use of dirname - i realise travis' testing on OS X but a brief look at the test appears that we're not, at least, trying out loading a project folder vs file - so i'd like it if someone could either gimme a hand/some pointers writing a relevant test (I've never done anything with the atom package api), or just fire it up on OSX and make sure i haven't somehow broken everything. I'm not ruling anything out when it comes to platform independency 😭

[Arcanemagus]

I'm going to mark this as closed for a few reasons:

• The codebase is now ES6, so this would need to be redone in the first place
• The ability to open a file in that broken matter is an Atom bug, I don't think putting a workaround in here for that is the best of ideas
• I can't reproduce the bug anyway 😛

If you can reproduce it on Atom v1.9.0-beta0 can you contact me on Atom's Slack to debug it further?

[leohemsted]

Just checked on 1.9.0-beta0, can't reproduce as can't open the file in the same previous way (it now automatically opens the parent dir when you open file), so happy with this being closed 👍