Python working

tmux/tmux.conf

@@ -1,7 +1,7 @@
 # set default terminal
 #set -ga terminal-overrides ",xterm-kitty:Tc,alacritty:Tc,xterm-termite:Tc"
 set-option -g default-terminal "tmux-256color"
-set-option -sa terminal-overrides ',xterm-256color:RGB'
+set-option -sa terminal-overrides ',xterm-256color:RGB,alacritty:RGB'
 # set mouse/history stuff
 set -g mouse on
 set -g history-limit 20000

vim/vimrc

@@ -4,6 +4,8 @@ if empty(glob('~/.config/nvim/autoload/plug.vim'))
   autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
 endif
 
+let g:pyxversion = 'python3'
+
 set number
 set relativenumber
 set tabstop=4
@@ -61,20 +63,39 @@ Plug 'prabirshrestha/async.vim'
 
 call plug#end()
 
+function! s:writebuffer(bufname, text) 
+    let l:bufnum = bufwinnr(a:bufname)
+    if l:bufnum == -1
+        execute "vsplit" a:bufname
+        setlocal buftype=nofile
+    else
+        execute l:bufnum . 'wincmd w'
+    endif
+
+    call append(0, a:text)
+endfunction
+
+function! s:handlegeneric(cmd, job_id, data, event_type)
+    if a:event_type == 'exit'
+        echo a:cmd . ' completed successfully'
+    elseif a:event_type == 'stdout' && len(a:data) > 1
+        call s:writebuffer('__STDOUT__', a:data)
+    elseif a:event_type == 'stderr' && len(a:data) > 1
+        call s:writebuffer('__STDERR__', a:data)
+    endif
+endfunction
+
 "Setting up coc-tools
-
-function! s:handlestdout(job_id, data, event_type)
-endfunction
-
-function! s:handlestderr(job_id, data, event_type)
-endfunction
-
-function! s:handleexitpyls(job_id, data, event_type)
-    echo 'pyls installed'
+function! s:handlepython(job_id, data, event_type)
+    call s:handlegeneric('pip install python-language-server pynvim', a:job_id, a:data, a:event_type)
 endfunction
 
 function! s:handleexitsolargraph(job_id, data, event_type)
-    echo 'solargraph installed'
+    echo 'solargraph & neovim installed'
+endfunction
+
+function! s:handleexitnode(job_id, data, event_type)
+    echo 'node-host installed'
 endfunction
 
 function! s:cmdexitcode(cmd)
@@ -83,28 +104,60 @@ function! s:cmdexitcode(cmd)
 endfunction
 
 function! s:ensurePython()
-    if (s:cmdexitcode('pyls -h'))
-        let jobid = async#job#start(['pip', 'install', 'python-language-server'], {
-            \ 'on_stdout': function('s:handlestdout'),
-            \ 'on_stderr': function('s:handlestderr'),
-            \ 'on_exit': function('s:handleexitpyls')
+    if (s:cmdexitcode('pyls -h') || s:cmdexitcode('python -c "import neovim"'))
+        let l:jobid = async#job#start(['pip', 'install', 'python-language-server', 'pynvim'], {
+            \ 'on_stdout': function('s:handlepython'),
+            \ 'on_stderr': function('s:handlepython'),
+            \ 'on_exit': function('s:handlepython')
       \ })
+    au VimEnter * CocInstall coc-python
     endif
-    execute 'CocInstall coc-python'
 endfunction
 
 function! s:ensureRuby()
-    if (s:cmdexitcode('solargraph -v'))
-        let jobid = async#job#start(['gem', 'install', 'solargraph'], {
+    if (s:cmdexitcode('solargraph -v && ruby -e "require \"neovim\""'))
+        let l:jobid = async#job#start(['gem', 'install', 'solargraph', 'neovim'], {
             \ 'on_stdout': function('s:handlestdout'),
             \ 'on_stderr': function('s:handlestderr'),
             \ 'on_exit': function('s:handleexitsolargraph')
       \ })
+    au VimEnter * CocInstall coc-solargraph
+    endif
+endfunction
+
+function! s:ensureNode()
+    if (s:cmdexitcode('neovim-node-host --version'))
+        let l:jobid = async#job#start(['yarn', 'global', 'add', 'neovim'], {
+                    \ 'on_stdout': function('s:handlestdout'),
+                    \ 'on_stderr': function('s:handlestderr'),
+                    \ 'on_exit': function('s:handleexitnode')
+                    \})
+        au VimEnter * CocInstall coc-tsserver
     endif
 endfunction
 
 call s:ensurePython()
 call s:ensureRuby()
+call s:ensureNode()
+
+inoremap <silent><expr> <TAB>
+      \ pumvisible() ? "\<C-n>" :
+      \ <SID>check_back_space() ? "\<TAB>" :
+      \ coc#refresh()
+inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
+inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
+
+function! s:check_back_space() abort
+  let col = col('.') - 1
+  return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+inoremap <silent><expr> <c-space> coc#refresh()
+
+autocmd CursorHold * silent call CocActionAsync('highlight')
+
+command! -nargs=0 Format :call CocAction('format')
+command! -nargs=1 WriteBuffer :call Writebuffer(<args>)
 
 "Gruvbox config
 " colorscheme gruvbox
@@ -123,22 +176,21 @@ nnoremap <leader>h <C-W><C-H>
 nnoremap <leader>j <C-W><C-J>
 nnoremap <leader>k <C-W><C-K>
 nnoremap <leader>l <C-W><C-L>
+nnoremap <leader>n :nohl
 nnoremap <C-k> <C-u>
 nnoremap <C-j> <C-d>
 
-"ALE Keymaps and options
-"nnoremap <silent> <leader><Space>a a<C-X><C-O>
-"nnoremap <silent> <leader><Space>g :ALEGoToDefinition<CR>
-"nnoremap <silent> <leader><Space>f :ALEFix<CR>
+"Coc Keymaps and options
+nnoremap <silent> <leader><Space>d <Plug>(coc-definition)
+nnoremap <silent> <leader><Space>g <Plug>(coc-type-definition)
 
 "which-key
 let g:which_key_map = {}
 autocmd! User vim-which-key call which_key#register('<Space>', 'g:which_key_map')
 let g:which_key_map[' '] =  {
   \ 'name' : '+ale'                ,
-  \ 'a'    : 'completions'         , 
+  \ 'd'    : 'definition'         , 
   \ 'g'    : 'go-to-definition'    ,
-  \ 'f'    : 'fix'                 ,
   \ }
 call which_key#register('<Space>', "g:which_key_map")
 nnoremap <silent> <leader>      :<c-u>WhichKey '<Space>'<CR>