My .vimrc file

.vimrc

" to add auto indetation "
set smartindent
set textwidth=79  " lines longer than 79 columns will be broken
set shiftwidth=4  " operation >> indents 4 columns; << unindents 4 columns
set tabstop=4     " a hard TAB displays as 4 columns
set expandtab     " insert spaces when hitting TABs
set softtabstop=4 " insert/delete 4 spaces when hitting a TAB/BACKSPACE
set shiftround    " round indent to multiple of 'shiftwidth'
set autoindent    " align the new line indent with the previous line

execute pathogen#infect()
syntax on
filetype plugin indent on

autocmd BufWritePost *.py call Flake8() # invoke python syntax checks while saving file
autocmd BufWritePre *.py :%s/\s\+$//e  # remove trailing whitespaces

" to indent html files "
filetype on
filetype plugin on
filetype indent on
"{{{Auto Commands

" Automatically cd into the directory that the file is in
" autocmd BufEnter * execute "chdir ".escape(expand("%:p:h"), ' ')

" Remove any trailing whitespace that is in the file
autocmd BufRead,BufWrite * if ! &bin | silent! %s/\s\+$//ge | endif

" Restore cursor position to where it was before
augroup JumpCursorOnEdit
   au!
   autocmd BufReadPost *
            \ if expand("<afile>:p:h") !=? $TEMP |
            \   if line("'\"") > 1 && line("'\"") <= line("$") |
            \     let JumpCursorOnEdit_foo = line("'\"") |
            \     let b:doopenfold = 1 |
            \     if (foldlevel(JumpCursorOnEdit_foo) > foldlevel(JumpCursorOnEdit_foo - 1)) |
            \        let JumpCursorOnEdit_foo = JumpCursorOnEdit_foo - 1 |
            \        let b:doopenfold = 2 |
            \     endif |
            \     exe JumpCursorOnEdit_foo |
            \   endif |
            \ endif
   " Need to postpone using "zv" until after reading the modelines.
   autocmd BufWinEnter *
            \ if exists("b:doopenfold") |
            \   exe "normal zv" |
            \   if(b:doopenfold > 1) |
            \       exe  "+".1 |
            \   endif |
            \   unlet b:doopenfold |
            \ endif
augroup END

"}}}

"{{{Misc Settings

" Necesary  for lots of cool vim things
set nocompatible

" This shows what you are typing as a command.  I love this!
set showcmd

" Folding Stuffs
set foldmethod=marker

" This is totally awesome - remap jj to escape in insert mode.  You'll never type jj anyway, so it's great!
inoremap jj <Esc>

"{{{ Open URL in browser

function! Browser ()
   let line = getline (".")
   let line = matchstr (line, "http[^   ]*")
   exec "!konqueror ".line
endfunction

"}}}


"display a warning if &et is wrong, or we have mixed-indenting
set statusline+=%#error#
set statusline+=%{StatuslineTabWarning()}
set statusline+=%*

set statusline+=%{StatuslineTrailingSpaceWarning()}

set statusline+=%{StatuslineLongLineWarning()}

set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*