.vimrc

runtime plugin/pythonhelper.vim
if !exists("*TagInStatusLine")
  function TagInStatusLine()
    return ''
  endfunction
endif
if !exists("*haslocaldir")
  function! HasLocalDir()
    return ''
  endfunction
else
  function! HasLocalDir()
    if haslocaldir()
      return '[lcd]'
    endif
    return ''
  endfunction
endif

set statusline=         " my status line contains:
set statusline+=%n:     " - buffer number, followed by a colon
set statusline+=%<%f        " - relative filename, truncated from the left
set statusline+=\       " - a space
set statusline+=%h      " - [Help] if this is a help buffer
set statusline+=%m      " - [+] if modified, [-] if not modifiable
set statusline+=%r      " - [RO] if readonly
set statusline+=%2*%{HasLocalDir()}%*       " [lcd] if :lcd has been used
set statusline+=\       " - a space
set statusline+=%1*%{TagInStatusLine()}%*   " [current class/function]
set statusline+=\       " - a space
set statusline+=%=      " - right-align the rest
set statusline+=%-10.(%l,%c%V%) " - line,column[-virtual column]
set statusline+=\       " - a space
set statusline+=%4L     " - total number of lines in buffer
set statusline+=\       " - a space
set statusline+=%P      " - position in buffer as percentage
set laststatus=2