Settings-view: Cannot override scoped settings when it matches the unscoped setting

[JellyWX]

Please note: this has been duplicated to the atom-settings thread upon request by moderators in the language-python thread here

Prerequisites

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Description

Python automatically indents 4 spaces when set to indent to 2 in the language-python settings and the editor settings.

Steps to Reproduce

1. Clear the python section in the atom config
2. Set indentation to 2 in the editor settings and the language-python settings (should say Unscoped Value: 2)
3. Open up a python file and hit the tab key

Expected behavior: Tabs to 2 spaces

Actual behavior: Tabs to 4 spaces

Reproduces how often: On every install of Atom; for me probably about 5 different machines 100% of the time.

Versions

Atom : 1.13.1
Electron: 1.3.13
Chrome : 52.0.2743.82
Node : 6.5.0

apm 1.14.1
npm 3.10.5
node 4.4.5
python 2.7.6
git 1.9.1

OS: Ubuntu 16.04, Ubuntu 14.04, Windows 8.1

Additional Information

It was possible to manually fix by entering the config file and adding the line tabLength: "2" under python, since just tabLength: 2 will automatically be deleted by the editor. (this no longer works)

[damieng]

Can you link to the original thread? Settings-view is only for the display and editing of the settings. I'm confused as to how the bug would be in this package.

[JellyWX]

I've linked it at the top. I was told to make my issue here rather than on the atom/language-python issue page

[50Wliu]

So the problem is as follows:

• The default indentation setting is 2
• The default _scoped_ indentation setting for language-python is 4
• Attempting to set the scoped indentation setting for language-python to 2 does not work and resets to 4

[damieng]

Ah right, now that makes a lot more sense - it's not python or even tab specific - just how we deal with defaults and scoped settings.

[JellyWX]

yes sorry, i wasnt at my PC so i just copied the post across.

[wanghailei]

@damieng So, will and when this philosophically huge BUG be solved? It's accidently damaged the love of Atom for its openness and flexibility.

[damieng]

@wanghailei the joy of open source is that anyone can fix it! Right now however nobody is.

[zargony]

We do have similar issues in language-rust: zargony/atom-language-rust#93

[oalhait]

+1. Unfortunately, this is currently rendering Atom unusable for me, as I can't use it at work; our style guide requires 2 spaces, not 4 :(

[nikhilweee]

You could try adding the following to your config in accordance with https://github.com/atom/language-python/issues/183#issuecomment-295388166 This sould help while the issue is resolved.

".python.source":
  editor:
    tabLength: 2

[kevinhb]

Frustratingly, this breaks Python folding too, which took me a very long time to realize stemmed from this issue. I guess the folding is dependent on the calculated value of tabLength, so if you aren't using the above fix mentioned by nikhilweee, and you have a python file that is indented with two spaces per level, "Fold Level 2" actually folds level 3, with seemingly no way to fold the whole file at even levels.