Why does Vim run python2 while it's compiled with +python3?

Question

vim --version
VIM - Vi IMproved 8.0 (2016 Sep 12, compiled Jun 06 2019 17:31:41)
Included patches: 1-1453
Modified by [email protected]
Compiled by [email protected]
Huge version without GUI.  Features included (+) or not (-):
+comments          +libcall           -python            +vreplace
+conceal           +linebreak         +python3           +wildignore

I have ignored others in the list by just showing the -python and + python3.

$ python --version
Python 3.6.9

While in the vim I got:

$vim test.py    
:!python --version
    Python 2.7.17

blues · Accepted Answer · 2019-12-22 21:53:50Z

2

When you do :!cmd you are running cmd on the shell. This has not much to do with vim. To check which version of python vim is using internally do :python3 import sys; print(sys.version) inside vim.

answered Dec 22, 2019 at 21:53

blues

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3 Comments

David Z Over a year ago

Thanks @blues. :python import sys; print(sys.version) still shows python2 is the default. 2.7.17 (default, Nov 7 2019, 10:07:09) [GCC 7.4.0] . Some suggestions for setting Pyhon3 as default?

blues Over a year ago

You need to actually specify :python3 with the 3.

David Z Over a year ago

Solved by nnoremap <buffer> <F9> :exec '!python3' shellescape(@%, 1)<cr> in .vimrc

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