My .vimrc for Python development

.vimrc

set nocompatible
filetype off

set rtp+=~/.vim/bundle/vundle/
call vundle#rc()

" let Vundle manage Vundle
" required!
Bundle 'gmarik/vundle'

" The bundles you install will be listed here
" Bundle 'Lokaltog/powerline', {'rtp': 'powerline/bindings/vim/'}
Bundle 'scrooloose/nerdtree'
" Bundle 'klen/python-mode'
Plugin 'Valloric/YouCompleteMe'
Plugin 'vim-scripts/indentpython.vim'
Plugin 'scrooloose/syntastic'
Plugin 'nvie/vim-flake8'
Bundle 'djoshea/vim-autoread'
" Bundle 'janko-m/vim-test'  - useless with bazel
" Bundle 'kien/ctrlp.vim'
Bundle 'mfukar/robotframework-vim'
Bundle 'mitsuhiko/vim-jinja'
Bundle 'saltstack/salt-vim'
Bundle 'altercation/vim-colors-solarized'
Plugin 'mattn/emmet-vim'
Plugin 'kchmck/vim-coffee-script'
Bundle 'tpope/vim-surround'
Bundle 'mantiz/vim-plugin-dirsettings'
Bundle 'junegunn/goyo.vim'
Plugin 'mileszs/ack.vim'
Plugin 'tpope/vim-rsi'
Plugin 'godlygeek/tabular'
Plugin 'plasticboy/vim-markdown'
Plugin 'junegunn/fzf'
Plugin 'junegunn/fzf.vim'
Plugin 'tpope/vim-repeat'

filetype plugin indent on
syntax on
" set background=dark
set background=light
set t_Co=16
let g:solarized_termcolors=16
colorscheme solarized

if &diff
    colorscheme solarized
    set syntax=none
endif


augroup vimrc_autocmds
    autocmd!
    " highlight characters past column 120
    " autocmd FileType python highlight Excess ctermbg=DarkGrey guibg=Black
    " autocmd FileType python match Excess /\%150v.*/
    autocmd FileType python set nowrap
    autocmd FileType python set colorcolumn=120
    augroup END

" Powerline setup
" set encoding=utf-8
" set guifont=DejaVu\ Sans\ Mono\ for\ Powerline\ 9
" set laststatus=2
" set fillchars+=stl:\ ,stlnc:\
" let g:Powerline_symbols = 'fancy'

" NerdTree setup
map <F2> :NERDTreeToggle<CR>
command NERDTreeFindAndFocus call NERDTreeFind() | call NERDTreeFocus()
map <silent> <C-n> :NERDTreeFindAndFocus<CR>
let NERDTreeIgnore = ['\.pyc$']

" YouCompleteMe
let g:ycm_autoclose_preview_window_after_completion=1
let g:ycm_python_binary_path = 'python'  " Py3 support

" syntastic
let python_highlight_all=1

" vim.test
" let test#python#runner = 'pytest'

" Goyo
function! s:goyo_enter()
  silent !tmux set status off
  silent !tmux list-panes -F '\#F' | grep -q Z || tmux resize-pane -Z
endfunction

function! s:goyo_leave()
  silent !tmux set status on
  silent !tmux list-panes -F '\#F' | grep -q Z && tmux resize-pane -Z
  set background=dark
endfunction

autocmd! User GoyoEnter nested call <SID>goyo_enter()
autocmd! User GoyoLeave nested call <SID>goyo_leave()

" ack/ag
let g:ackprg = 'ag --vimgrep --smart-case --ignore node_modules --ignore build'

" cnoreabbrev ag Ack
" cnoreabbrev aG Ack
" cnoreabbrev Ag Ack
" cnoreabbrev AG Ack

" CtrlP
" Remove limits on the number of files:
" let g:ctrlp_max_files=0
" let g:ctrlp_max_depth=100

" General settings
set smartindent
set expandtab
set ignorecase
set smartcase
set shiftwidth=4
set tabstop=4
set hlsearch
set ruler
set autowrite
set autoread
set nofoldenable
set number
" Maintain undo history between sessions in ~/.vim/undodir:
set undofile
set undodir=~/.vim/undodir
" More natural split opening
set splitbelow
set splitright
" Search faster
set wildignore=*.dll,*.exe,*.pyc,*.pdf,*.doc,*.gz
set wildignore+=**/node_modules/** 
" Force UNIX line endings
set ff=unix

" Always show at least two lines before/after cursor
set scrolloff=2
" Always show at least five columns before/after cursor
set sidescrolloff=5

if &history < 1000
  set history=1000
endif
if &tabpagemax < 50
  set tabpagemax=50
endif
if !empty(&viminfo)
  set viminfo^=!
endif

" Shortcuts
let mapleader = ","
nnoremap <leader>b Oimport pdb; pdb.set_trace()<Esc>
nnoremap <leader>rb Oimport pdb; pdb.Pdb(stdout=sys.__stdout__).set_trace()<Esc>
nnoremap <leader>ib Oimport ipdb; ipdb.set_trace()<Esc>
nnoremap <leader>h :set hlsearch!<CR>
nnoremap <leader>l :set list!<CR>
vnoremap <leader>/ y/<C-R>0<CR>
nnoremap <leader>? :AckFromSearch!<CR>
nnoremap <leader>. :let @/=substitute(substitute(substitute(@/, '_\([a-z]\)', '_\\?\1', 'g'), '\<\@<!\([A-Z]\)\C', '_\\?\1', 'g'), '[A-Z]', '\L\0', 'g')<CR>
nnoremap <leader>t :!bazeltest %:r<CR>
nnoremap <leader>it :!bazeltest %:r --minloglevel=DEBUG --logtostderr<CR>
nnoremap <leader>g :YcmCompleter GoTo<CR>
nnoremap <leader>d :YcmCompleter GetDoc<CR>
nnoremap <leader>w :%s/\s\+$//e<CR>
nnoremap <leader>u :exe "!open https://github.com/bannertech/moveworks/blob/master/%\\\#L" . line(".")<CR>
vnoremap <leader>y :'<,'> ! python -c 'import sys, json, yaml; print(yaml.dump(json.load(sys.stdin), indent=2))'
nnoremap <leader>j :% ! jq .<CR>
nnoremap <leader>n :NERDTreeFind<CR>
nnoremap <leader>r :redraw!<CR>
nnoremap <C-P> :GFiles<CR>

" Split navigations
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>
" Use Return as Escape in insert mode
" inoremap <CR> <Esc>
" Use K to split string under cursor
nnoremap K i<CR><Esc>

" Remove trailing whitespace in Python files
autocmd BufWritePre *.py %s/\s\+$//e

" Settings for working with YAML
au BufRead,BufNewFile *.mwyml set filetype=yaml
autocmd FileType yaml setlocal ts=2 sts=2 sw=2 expandtab
autocmd FileType html setlocal ts=2 sts=2 sw=2 expandtab