[vim] coc-nvim plugin added, plus pyright extension

vim/coc.vim

@@ -0,0 +1,56 @@
+inoremap <silent><expr> <TAB>
+      \ coc#pum#visible() ? coc#pum#next(1):
+      \ CheckBackspace() ? "\<Tab>" :
+      \ coc#refresh()
+inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
+
+" Make <CR> to accept selected completion item or notify coc.nvim to format
+" <C-g>u breaks current undo, please make your own choice.
+inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
+                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
+
+function! CheckBackspace() abort
+  let col = col('.') - 1
+  return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+" " Use <c-space> to trigger completion.
+" if has('nvim')
+"   inoremap <silent><expr> <c-space> coc#refresh()
+" else
+"   inoremap <silent><expr> <Leader>c coc#refresh()
+" endif
+
+" Use K to show documentation in preview window.
+nnoremap <silent> K :call ShowDocumentation()<CR>
+
+function! ShowDocumentation()
+  if CocAction('hasProvider', 'hover')
+    call CocActionAsync('doHover')
+  else
+    call feedkeys('K', 'in')
+  endif
+endfunction
+
+" Use `[g` and `]g` to navigate diagnostics
+" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
+nmap <silent> [g <Plug>(coc-diagnostic-prev)
+nmap <silent> ]g <Plug>(coc-diagnostic-next)
+
+" GoTo code navigation.
+nmap <silent> gd <Plug>(coc-definition)
+nmap <silent> gy <Plug>(coc-type-definition)
+nmap <silent> gi <Plug>(coc-implementation)
+nmap <silent> gr <Plug>(coc-references)
+
+"set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
+
+" Applying codeAction to the selected region.
+" Example: `<leader>aap` for current paragraph
+xmap <leader>a  <Plug>(coc-codeaction-selected)
+nmap <leader>a  <Plug>(coc-codeaction-selected)
+
+" Remap keys for applying codeAction to the current buffer.
+nmap <leader>ac  <Plug>(coc-codeaction)
+" Apply AutoFix to problem on the current line.
+nmap <leader>qf  <Plug>(coc-fix-current)

vim/vimrc

@@ -8,6 +8,9 @@ filetype plugin indent on "Включает определение типа фа
 set encoding=utf-8
 syntax enable
 set timeoutlen=300 ttimeoutlen=0 " https://www.johnhawthorn.com/2012/09/vi-escape-delays/
+" For coc-vim. Always show the signcolumn, otherwise it would shift the text each time
+" diagnostics appear/become resolved.
+set signcolumn=yes
 set number relativenumber
 set backspace=indent,eol,start
 filetype plugin indent on
@@ -32,6 +35,7 @@ call plug#begin('~/.vim/bundle') "Начать искать плагины в э
 
   Plug 'towolf/vim-helm'
   Plug 'pearofducks/ansible-vim'
+  Plug 'neoclide/coc.nvim', {'branch': 'release'}
 call plug#end() "Перестать это делать
 
 "
@@ -138,6 +142,20 @@ let g:ansible_extra_keywords_highlight = 1
 let g:ansible_name_highlight = 'b'
 let g:ansible_yamlKeyName = 'yamlKey'
 
+"
+" CoC plugin settings
+"
+let g:coc_global_extensions = ['coc-pyright']
+source ~/.vim/coc.vim
+function! s:enable_coc_for_type()
+        let l:filesuffix_whitelist = ['py']
+	if index(l:filesuffix_whitelist, expand('%:e')) == -1
+		let b:coc_enabled = 0
+	endif
+endfunction
+autocmd BufRead,BufNewFile * call s:enable_coc_for_type()
+
+
 " YAML files config
 autocmd FileType yaml,yml setlocal ts=2 sts=2 sw=2 expandtab
 let g:indentLine_char = '⦙'