How to print the output of python code in Vim buffer?

Question

Example (in vim function):

python3 << endpython
import vim,sys,locale
locale.setlocale(locale.LC_ALL, vim.eval("Locale"))
for i in range(1,10,2):
    print(locale.format('%.2f', i))
endpython

The print command, prints the numbers as an echo message.
I would like to print the numbers at the top of the current buffer.
How can I do this?

Ingo Karkat · Accepted Answer · 2016-02-08 14:53:58Z

3

You can access the current buffer and append after line 0 (= inserting at the top) via:

vim.current.buffer.append("example text", 0)

See :help python-buffer.

answered Feb 8, 2016 at 14:53

Ingo Karkat

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3 Comments

Reman Over a year ago

Thank you very much Ingo

Reman Over a year ago

The at the top "0" number reverse the list but it works very fine also without it. It would be nice to use the "0" only for the 1st item. :)

Ingo Karkat Over a year ago

If you start with an empty buffer, the 0 indeed is optional. Thanks for accepting my answer!

Roland Puntaier · Accepted Answer · 2019-11-20 10:35:26Z

1

If you have this Redir, you can recover already printed text with:

:Redir messages

Example:

:py3 print('print to stdout')
:Redir messages
/print to stdout

It will be at the end of the buffer that opens.

answered Nov 20, 2019 at 10:35

Roland Puntaier

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