2017-02-07 17:27 GMT+03:00 Jonathan Crall <erotemic@gmail.com>:
> I've recently made the jump to python3 and I went to recompile vim with +python3 instead of +python. When I did this I noticed that all my python blocks in my .vimrc were failing.
You can compile with both +python/dyn and +python3/dyn
>
> Example of a python block:
> ```
> python << endpython
> # <some python code>
> endpython
> ```
>
>
> I was able to replace all of these with
> ```
> python3 << EOF
> # <some python code>
> EOF
> ```
It is bad idea to have such blocks: every variable defined inside is
global. Use modules.
>
> but all of my code in these blocks is 2/3 compatible and is critical for my .vimrc to function properly. Furthermore, I have several external vimscripts that use python blocks and having to change those is a pain.
>
> Is there a way to dynamically define which python script to use?
>
> ```
> if has('python3')
> #define pythonX python3
> else
> #define pythonX python2
> endif
>
> pythonX << EOF
> # <some python code>
> EOF
> ```
With modules it is really easy to write
execute g:myplugin_python 'import myplugin; myplugin.do_stuff()'
where `g:myplugin_python` is either `python` or `python3`.
Recently a patch was made to add `:pythonx` command which may use
either version of Python, but I would not recommend using it in
plugins (except that it is a good idea to check for it when setting
default value of `g:myplugin_python`) for at least a year: Vim
versions without :pythonx are going away rather slowly.
>
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