python3, tabs, and Terminal

[Joshua Root]

On 2022-10-13 08:05 , Joshua Root wrote:
> Langer, Stephen A. (Fed) wrote:
> 
>> I don’t know if I have something wrong in my settings or expectations, 
>> or if this is a bug.  Typing a tab in an Apple Terminal window while 
>> using any version of Python3 from MacPorts makes the terminal enter 
>> some kind of editing mode, instead of just indenting the line.  
>> Python2 from MacPorts doesn't do this, and neither does Python3 from 
>> Apple, which makes me think that it's some kind of Python 
>> configuration issue in MacPorts.  The same thing happens when using 
>> iTerm2.
>>
>> For example:
>>
>> % python3
>> Python 3.8.15 (default, Oct 12 2022, 03:09:36)
>> [Clang 13.0.0 (clang-1300.0.29.3)] on darwin
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>>/def f(): /<tab><tab> <--- anything typed here brings up old lines 
>> from other sessions, when I just want to indent
> Do you see this with newer python versions? I don't see it in 3.10, 
> FWIW. I remember there were some bugs with libedit support in older 
> versions.
> 
> You can try installing py38-gnureadline, which will override the 
> built-in readline module.
> 
> - Josh
> 

Turns out this is a feature: 
<https://docs.python.org/3/library/site.html#rlcompleter-config>

- Josh