Questions tagged [vimscript-python]

For questions about The Python interface to Vim; DO NOT use for questions with Python examples or about syntax highlighting in Python.

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Pass local variables in a vimscript function to python

For example, I want to use default arguments: function! MakeOrgTable(...) let l:num_col = a:0 > 0? (a:0) : 0; python << EOF import vim vim.current.buffer[:]=make_table(vim.current.buffer, ...
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-1 votes
1 answer
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How to replace between two marks with the content of a python variable

I'm writing a plugin to convert between word cases, and I would like to apply my filter between two marks. The conversion part is done with python, but I don't know how can I replace the text between ...
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neovim: pwntools process automatically stops when trying to invoke interactive shell

I'm using python pwntools. I'm using python 3.10.x This line of code should open a shell for me: io.interactive() But while running this file from vim using !./% it doesn't open the shell doesn't ...
2 votes
1 answer
28 views

How can make every line contain 80 characters when to insert lorem ipsum string?

set textwidth=80 in my .vimrc. I have written a function to create a lorem ipsum: function! Lorem(num) python3 << EOF import random num = int(vim.eval("a:num")) words = ['...
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0 votes
1 answer
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How can write the string in the cursor's position?

I write the function in my .vimrc which can convert string into its uppercase. function! Cap(string) python3 << EOF s = vim.eval("a:string") print(s.upper()) EOF endfunction Now i ...
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1 vote
1 answer
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How can make the trigger_word as argument to python?

The syntax of UltiSnips's snippet is as below: snippet trigger_word [ "description" [ options ] ] The upper method can convert all characters in the string into upper case: "string&...
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0 votes
1 answer
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How can call python in snippet?

I want to expand ptest into welcome python in file ending with html. Add these lines in html.snippets(located in vim-snippets/UltiSnips): snippet ptest !p print("welcome python") endsnippet ...
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1 vote
1 answer
355 views

The python library could not be loaded

I am trying to get UltiSnips to work with gVim on my Windows 10 machine and for some reason I keep getting the error: Error detected while processing function UltiSnips #TrackChange: line 1: E370: ...
1 vote
0 answers
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I am developing my own python package, but Omnicomplete won't recognize it

I have my package in a local folder (say C:/Users/Myself/PythonStuff/MyPackage). Next, I created a new file in C:/Users/Myself/PythonStuff where I import my package, i.e. on top of my new file I have ...
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1 vote
2 answers
34 views

Can I skip vimscript indentation inside conditional blocks

I'm editing my ~/.vimrc this weekend, and I've run into a use case that seems to beg that I strip off indentation in an if-block. Broken use-case in my ~/.vimrc (with if-block indentation): if has('...
1 vote
1 answer
96 views

Programming Vim in Python: how is it implemented?

Somebody told me that it is possible to write Vim plugins in Python. I would like to inspect the source implementing this: I would like to use another scripting language for that. Is there a ...
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1 vote
1 answer
41 views

Prevent plugins from loading if python not found

I'm working on a server that has various different python installations set up. At any one time, only one will be accessable and working, depending on what I am working on. Some are python2, some ...
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0 answers
167 views

Use python through pythonthreehome and pythonthreedll?

I install python use msys2 in windows but i don't know how to put the path to vim Here is my vim --version: Here is where i install python3: And python3 dll: Vimrc config: I use python for run ...
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2 votes
0 answers
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Neovim rplugin: why does vim.async_call(print, "msg") not echo?

In a traditional :python3 plugin, I can call print("msg") to echo a message. In a remote plugin function, I expect that calling vim.async_call(print, "msg") would do the same thing,...
1 vote
1 answer
282 views

Neovim: How to start developing python plugins which run long-blocking code?

EDIT2: A user suggested that I may be going about this in a fundamentally wrong way, in particular in that I am not using remote (new-style) plugins and am trying to use async python code where it ...
1 vote
1 answer
62 views

Character level buffer modification

It is possible to modify buffer at the line granularity. E.g. :py3 vim.current.buffer[0] = "abc". But it deletes the attached marks even if a single character is replaced. Is it possible to ...
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1 vote
1 answer
269 views

Stop vim from deleting expanded tab as a block of spaces

I am on CentOS 8.1 and using vim 8.0.1763. When I open a python file, e.g. vim tmp.py, I type tab and it inserts 4 spaces (see .vimrc below). When I type delete, it deletes all 4 spaces. I want it ...
3 votes
1 answer
548 views

Contextual Snippets in UltiSnips not working

I have been using vimtex with UltiSnips for a while on Linux platform and it has been working just fine. Recently, I switched to MacBook Air M1 for the same and installed the above mentioned plugins ...
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0 votes
2 answers
325 views

Solving issue with clang-format-vim.py saving new buffer

Summary I configured vim to call clang-format.py following the steps in the clang documentation for vim integration. But when I save a new buffer the plugin fails. I'm new to vimscript and trying to ...
1 vote
0 answers
22 views

How can you isolate the date portion of each request of a IP adress? [closed]

How can you isolate the date portion of each request of a IP address if it's at the first line of each request from a log file using awk, creating a list of distinct dates, and then using grep to ...
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0 votes
1 answer
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Gvim E370: cannot load library python36.dll with installed Python 3.8

I get often error E370: cannot load library python36.dll while using different plugins like: Fugitive.vim. I have Python 3.8 install with proper PATH. Is it possible to force Gvim to use python38.dll ...
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2 votes
0 answers
115 views

YouCompleteMe unavailable: unable to load Python [duplicate]

I have done PlugInstall but it gives: YouCompleteMe unavailable: unable to load Python. The same error happens while loading UltiSnips: E370: Could not load python36.dll My vimrc: set rnu set nu ...
user avatar
1 vote
2 answers
2k views

How to let Vim work with pyenv?

I've created some Python virtual environments: hmanx ~ » pyenv virtualenvs 3.7.4/envs/nn (created from /home/roach/.pyenv/versions/3.7.4) 3.8.2/envs/py38 (created from /home/roach/.pyenv/versions/...
0 votes
1 answer
245 views

Python script not running through vim but runs on Windows CMD

I have recently switched to vim from VS Code. I have Vim 8.2. I have put these lines in my _vimrc file so that I can run python in vim by pressing F9:- autocmd FileType python map <buffer> <...
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1 vote
0 answers
38 views

How to return from vimscript.python?

I have a script written in vimscript-python, e.g.: function! MyFunction() python3 << EOF # if <condition>: # return print('Hello world') EOF endfunction I want to add a check in ...
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2 votes
1 answer
211 views

Quit script after a certain condition is true

I have a script that checks for a certain condition (it checks if pip dependencies are installed). If they are installed and everything is ok, I want to import a bunch of python functions from my ...
1 vote
0 answers
41 views

Simplest way for a clean uninstall/install of vim with python support [duplicate]

I have vim that is compiled with an outdated version of python (3.4). I have install python into a local directory and verified it works properly: $ which python3.7 /usr/local/bin/python3.7 What ...
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2 votes
1 answer
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python vs pyx in vim

I'm a bit confused as to what the difference is between python and pyx in vim, other than one seems to work and the other does not. For example: pyx print ("OK") This works, however, this ...
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5 votes
3 answers
7k views

Ultisnips py3 errors

I have these following errors whenever I try to get into insert mode (see images). I am confused about how to resolve them. I did try uninstalling and reinstalling SirVer/ultisnips, but didn't change ...
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1 vote
1 answer
587 views

How to use TexMathZones in Markdown Syntax, for Snippets?

I am a recent and very happy Vim User. I write Mathematics and Computer Science Lecture Notes in Markdown Files, organized in a Vimwiki. I use the UltiSnips Snippet Plugin. This plugin provides me ...
2 votes
0 answers
38 views

Running a python command with terminal-generated signals enabled

I'm trying to do a long blocking read call inside a python script supplied with the python command: python3 << EOF import ctypes libc=ctypes.CDLL("libc.so.6") ch = ctypes.create_string_buffer(1)...
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3 votes
2 answers
4k views

The :python command doesn't work - E319: Sorry, the command is not available in this version

I am trying to use Python in vim, but it doesn't work despite vim having the +python3 option. :python print("hello") gives E319: Sorry, the command is not available in this version Question: How ...
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2 votes
0 answers
297 views

How to fix which python executable vim is using?

For the python command vim uses the python exetuable it finds first in the $PATH variable. However, for me this can change depending what project I work on (using virtual environments). Is there a way ...
1 vote
0 answers
211 views

YouCompleteMe cannot find module

I am trying to get YCM working on Windows 10. Vim version: 8.1 64-bit GUI Since I'm using the regular gvim installer for Windows I have python support Compiler flags as follows: Compilation: cl -c /...
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1 vote
1 answer
72 views

run vim without python3 suppport

I have python2 and python3 compiled into my vim vim --version VIM - Vi IMproved 8.1 (2018 May 18, compiled Oct 2 2019 14:25:42) Included patches: 1-2109 Compiled by user@enterprise Huge version ...
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2 votes
3 answers
489 views

vim : how to set current buffer to a string using `:python`

As example, my current buffer contains below lines di=01;34 ln=01;36 mh=00 pi=40;33 I want to join all lines with :, and set entire buffer to the joined string. How to achieve that, using :python ...
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3 votes
2 answers
360 views

Inserting text with the Python interface

I would like to insert some Python-generated text at the current cursor position in insert mode using the Vim Python interface. The closest I have so far is: imap <c-x><c-r> <c-o>:...
1 vote
1 answer
420 views

How to set internal vim variable from python code

I'm trying to write vim plugin for easier work with cmake. I want it to read some values from json file: build_dir, generator, cmake VARS and then give vim user few functions: configure, build, maybe ...
2 votes
1 answer
241 views

How to assign a Python list to a vim variable and escape its strings correctly

Here is a Python list that I'm trying to assign to some Vim variable. lines = ['"""Something foo\'s thing."""', '', 'foo = "asdfasdf" \\', 'bar'] command = 'let l:corrected_lines = {lines}'.format(...
1 vote
0 answers
738 views

Vim shows error when running python3

OS: Ubuntu 18.04 First, I ran apt-get install python3-dev ruby-dev Then, I installed vim using the instructions in the website, using make distclean, make and make install (This was like the tenth ...
1 vote
0 answers
218 views

How to use visual mode in python/dyn?

Vim documentation states how to run command and normal mode commands (source): vim.command(str) python-command Executes the vim (ex-mode) command str. ...
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1 vote
0 answers
420 views

Where could I find documentation of python/dyn or python3/dyn?

I guess that :py command is executed by some kind of extended Python interpreter. This extended Python has vim package available: :py import vim; print(dir(vim)); print(vim.__package__, vim.__name__) ...
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2 votes
1 answer
2k views

Creating a hidden buffer

I know that with commands like sbuffer you can create a new buffer and display it in a split window, and commands like enew can create a new buffer in the current window. But is it possible to not ...
1 vote
0 answers
80 views

Why does vim work if command file is double clicked, but not from DOS?

(Windows7-64bits-Vim8.1) I have a problem with getting the python in Vim to work. This problem is probably caused because I do not have admin access to the machine; I can't help that. In order to ...
2 votes
1 answer
112 views

Return <motion> character from Python function in <expr> mapping

I am trying to return this :GrepperAck ''<Left> from a Python function and use it in the following mapping def invoke_search_command(): return ":GrepperAck ''<Left>" :nnoremap <expr&...
2 votes
0 answers
357 views

Vim using wrong executable and site packages in Python venv

Issue I am using Vim within an activated Python virtual environment i.e. I have run python3 -m pip venv env . env/bin/activate However when I am editing a Python file, then Ale is complaining about ...
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1 vote
1 answer
2k views

Why is Vim's Python version compiled in?

My machines have Python 3.7 installed. On my Ubuntu machine I have no issues, but on my Windows 10 machine, I can't run Python plugins in Vim. The reason is that the Windows Vim as distributed has ...
1 vote
1 answer
7k views

How do I configure the python location?

The python I want to use is located at C:\randomplace\python. I have a dev machine that has multiple instances of python (so relying on finding python in$PATH is unreliable). How do I configure vim ...
15 votes
3 answers
27k views

Installing or building vim with +python3 support for Python 3.7.x on linux

I've got Vim installed on MacOS using Brew and it installs with +python3 support for Python 3.7.2 by default. I'm writing a Vim plugin which utilises some Python 3.7 and would like this to be able to ...
0 votes
1 answer
446 views

configure VIM with Python support for Debian 9.4 VM Instance

I'm trying to configure VIM with Python support in order to use the You Complete Me pluggin. This question has been asked before. Unfortunately none of the answers have worked for me. Any suggestions ...
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