.vimrc

if !has('nvim')
    " Vundle
    set nocompatible              " be iMproved, required
    filetype off                  " required

    " set the runtime path to include Vundle and initialize
    set rtp+=~/.vim/bundle/Vundle.vim
    call vundle#begin()

    " let Vundle manage Vundle, required
    Plugin 'VundleVim/Vundle.vim'
    Plugin 'dense-analysis/ale'
    Plugin 'nvie/vim-flake8'
    Plugin 'vim-scripts/indentpython.vim'
    Plugin 'jiangmiao/auto-pairs'
    Plugin 'Lokaltog/powerline'
    Plugin 'kien/ctrlp.vim'
    Plugin 'SirVer/ultisnips' " snippets engine
    Plugin 'honza/vim-snippets' " snppets themselves :)

    call vundle#end()

    filetype plugin indent on
    filetype indent on
    filetype plugin on

    packadd YouCompleteMe " For autocompletion

    " modified plugin keybindings
    let g:ctrlp_prompt_mappings = {
            \ 'AcceptSelection("v")': ['<C-Right>', '<RightMouse>']
            \ }
    let g:ycm_key_list_select_completion = ['<Down>']
    let g:UltiSnipsExpandTrigger="<tab>"
    let g:UltiSnipsJumpForwardTrigger="<tab>"
    let g:UltiSnipsJumpBackwardTrigger="<s-tab>"
    let g:ale_linters = {
            \ 'python': ['flake8'],
            \}

    " Powerline
    set laststatus=2 " Always display the statusline in all windows
    set showtabline=2 " Always display the tabline, even if there is only one tab

    autocmd InsertEnter,InsertLeave * set cul!
    hi CursorLine cterm=NONE ctermbg=240
    hi CursorLineNr cterm=NONE
    " accelerate terminal
    set ttimeout
    set ttimeoutlen=1
    set ttyfast
    set clipboard+=unnamedplus " Use system clipboard
endif

set number      " show line numbers
set mouse=a     " enable mouse
set ruler
set autoindent  " indent when moving to the next line while writing code
set smartindent " set ruler
set cindent
set hlsearch    " highlight current search match
set incsearch   " incremental search
set encoding=utf-8
set smarttab    " set tabs for a shifttabs logic
set expandtab " expand tabs into spaces
set showmatch   " shows matching part of bracket pairs (), [], {}
set backspace=indent,eol,start  " backspace removes all (indents, EOLs, start)
set splitright "enable vertical split
set splitbelow

set nobackup                                " no backup files
set nowritebackup                           " only in case you don't want a backup file while editing
set noswapfile                              " no swap files

let python_highlight_all=1
syntax enable

set t_Co=256 "Enable all 256 colors

au BufNewFile,BufRead *.py
    \ set tabstop=4 |
    \ set softtabstop=4 |
    \ set shiftwidth=4 |
    \ set expandtab |
    \ set fileformat=unix

au BufNewFile,BufRead *.js,*.html,*.css
    \ set tabstop=2 |
    \ set softtabstop=2 |
    \ set shiftwidth=2

au BufNewFile,BufRead *.c
    \ set noexpandtab |
    \ set tabstop=8 |
    \ set shiftwidth=8

highlight BadWhitespace ctermbg=lightred guibg=lightred
au ColorScheme * highlight BadWhitespace ctermbg=lightred guibg=lightred
au BufRead,BufNewFile *.py,*.pyw,*.c,*.h,*.js match BadWhitespace /\s\+$/