Hi Felipe

Thanks for using Spyder and your interest in developing this feature. This 
work is already implemented in the following PR 

Where we are decoupling the editor and making it truly language agnostic.

This will be available for Spyder 4.0 (hopefully by the end of Jully 2017)


On Friday, 1 July 2016 10:27:43 UTC-4, Felipe Vieira wrote:
> Jitse,
> thanks for your help. I tried a lot of different approaches like creating 
> a new attribute (.column2) and duplicating every command related to 
> edge_line, creating a new class EdgeLine2 among other things. It looks like 
> the setting of new edge lines overrides the previous one.
> I stopped looking but may try it again some other time.
> : )
> On Tuesday, June 28, 2016 at 3:12:22 PM UTC-3, Jitse Niesen wrote:
>> On Friday, 24 June 2016 22:11:39 UTC+1, Felipe Vieira wrote:
>>> I'm a long user of spyder and maybe it is time to go one step ahead. 
>>> Motivated by the line lenght of 72 for docstrings I would like to add the 
>>> possibility of a 2nd vertical line to spyder ('edge line').
>>> [...]
>>> Can any of you point me in the right direction? Is there a special 
>>> documentation for devs or just 'read the code'?
>> Hello Felipe,
>> There is no special documentation. I'm afraid you have to work with the 
>> code. 
>> Where are you stuck? In case you haven't yet found it, the file you need 
>> to look at is spyderlib/widgets/sourcecode/codeeditor.py ; search for 
>> "EdgeLine" and "edge_line". I guess at first instance you should duplicate 
>> the code for creating an EdgeLine in the CodeEditor class in order to get a 
>> second line.
>> Issues 3064 <https://github.com/spyder-ide/spyder/issues/3064> and 3069 
>> <https://github.com/spyder-ide/spyder/issues/3069> are related so you 
>> may also have a look at them.
>> Good luck!
>> Jitse

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