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Editing File: /usr/share/vim/vim82/ftplugin/python.vim

" Vim filetype plugin file
" Language:	python
" Maintainer:	Tom Picton <tom@tompicton.co.uk>
" Previous Maintainer: James Sully <sullyj3@gmail.com>
" Previous Maintainer: Johannes Zellner <johannes@zellner.org>
" Last Change:	Mon, 5 October 2020
" https://github.com/tpict/vim-ftplugin-python

if exists("b:did_ftplugin") | finish | endif
let b:did_ftplugin = 1
let s:keepcpo= &cpo
set cpo&vim

setlocal cinkeys-=0#
setlocal indentkeys-=0#
setlocal include=^\\s*\$from\\\|import\$
setlocal define=^\\s*\$def\\\|class\$

" For imports with leading .., append / and replace additional .s with ../
let b:grandparent_match = '^$.\.$$\.*$'
let b:grandparent_sub = '\=submatch(1)."/".repeat("../",strlen(submatch(2)))'

" For imports with a single leading ., replace it with ./
let b:parent_match = '^\.$\.$\@!'
let b:parent_sub = './'

" Replace any . sandwiched between word characters with /
let b:child_match = '$\w$\.$\w$'
let b:child_sub = '\1/\2'

setlocal includeexpr=substitute(substitute(substitute(
      \v:fname,
      \b:grandparent_match,b:grandparent_sub,''),
      \b:parent_match,b:parent_sub,''),
      \b:child_match,b:child_sub,'g')

setlocal suffixesadd=.py
setlocal comments=b:#,fb:-
setlocal commentstring=#\ %s

if has('python3')
  setlocal omnifunc=python3complete#Complete
elseif has('python')
  setlocal omnifunc=pythoncomplete#Complete
endif

set wildignore+=*.pyc

if !exists('g:no_plugin_maps') && !exists('g:no_python_maps')
    execute "nnoremap <silent> <buffer> ]] :call <SID>Python_jump('n', '". b:next_toplevel."', 'W', v:count1)<cr>"
    execute "nnoremap <silent> <buffer> [[ :call <SID>Python_jump('n', '". b:prev_toplevel."', 'Wb', v:count1)<cr>"
    execute "nnoremap <silent> <buffer> ][ :call <SID>Python_jump('n', '". b:next_endtoplevel."', 'W', v:count1, 0)<cr>"
    execute "nnoremap <silent> <buffer> [] :call <SID>Python_jump('n', '". b:prev_endtoplevel."', 'Wb', v:count1, 0)<cr>"
    execute "nnoremap <silent> <buffer> ]m :call <SID>Python_jump('n', '". b:next."', 'W', v:count1)<cr>"
    execute "nnoremap <silent> <buffer> [m :call <SID>Python_jump('n', '". b:prev."', 'Wb', v:count1)<cr>"
    execute "nnoremap <silent> <buffer> ]M :call <SID>Python_jump('n', '". b:next_end."', 'W', v:count1, 0)<cr>"
    execute "nnoremap <silent> <buffer> [M :call <SID>Python_jump('n', '". b:prev_end."', 'Wb', v:count1, 0)<cr>"

execute "onoremap <silent> <buffer> ]] :call <SID>Python_jump('o', '". b:next_toplevel."', 'W', v:count1)<cr>"
    execute "onoremap <silent> <buffer> [[ :call <SID>Python_jump('o', '". b:prev_toplevel."', 'Wb', v:count1)<cr>"
    execute "onoremap <silent> <buffer> ][ :call <SID>Python_jump('o', '". b:next_endtoplevel."', 'W', v:count1, 0)<cr>"
    execute "onoremap <silent> <buffer> [] :call <SID>Python_jump('o', '". b:prev_endtoplevel."', 'Wb', v:count1, 0)<cr>"
    execute "onoremap <silent> <buffer> ]m :call <SID>Python_jump('o', '". b:next."', 'W', v:count1)<cr>"
    execute "onoremap <silent> <buffer> [m :call <SID>Python_jump('o', '". b:prev."', 'Wb', v:count1)<cr>"
    execute "onoremap <silent> <buffer> ]M :call <SID>Python_jump('o', '". b:next_end."', 'W', v:count1, 0)<cr>"
    execute "onoremap <silent> <buffer> [M :call <SID>Python_jump('o', '". b:prev_end."', 'Wb', v:count1, 0)<cr>"

execute "xnoremap <silent> <buffer> ]] :call <SID>Python_jump('x', '". b:next_toplevel."', 'W', v:count1)<cr>"
    execute "xnoremap <silent> <buffer> [[ :call <SID>Python_jump('x', '". b:prev_toplevel."', 'Wb', v:count1)<cr>"
    execute "xnoremap <silent> <buffer> ][ :call <SID>Python_jump('x', '". b:next_endtoplevel."', 'W', v:count1, 0)<cr>"
    execute "xnoremap <silent> <buffer> [] :call <SID>Python_jump('x', '". b:prev_endtoplevel."', 'Wb', v:count1, 0)<cr>"
    execute "xnoremap <silent> <buffer> ]m :call <SID>Python_jump('x', '". b:next."', 'W', v:count1)<cr>"
    execute "xnoremap <silent> <buffer> [m :call <SID>Python_jump('x', '". b:prev."', 'Wb', v:count1)<cr>"
    execute "xnoremap <silent> <buffer> ]M :call <SID>Python_jump('x', '". b:next_end."', 'W', v:count1, 0)<cr>"
    execute "xnoremap <silent> <buffer> [M :call <SID>Python_jump('x', '". b:prev_end."', 'Wb', v:count1, 0)<cr>"
endif

if !exists('*<SID>Python_jump')
  fun! <SID>Python_jump(mode, motion, flags, count, ...) range
      let l:startofline = (a:0 >= 1) ? a:1 : 1

if a:mode == 'x'
          normal! gv
      endif

if l:startofline == 1
          normal! 0
      endif

let cnt = a:count
      mark '
      while cnt > 0
          call search(a:motion, a:flags)
          let cnt = cnt - 1
      endwhile

if l:startofline == 1
          normal! ^
      endif
  endfun
endif

if has("browsefilter") && !exists("b:browsefilter")
    let b:browsefilter = "Python Files (*.py)\t*.py\n" .
                \ "All Files (*.*)\t*.*\n"
endif

if !exists("g:python_recommended_style") || g:python_recommended_style != 0
    " As suggested by PEP8.
    setlocal expandtab tabstop=4 softtabstop=4 shiftwidth=4
endif

" Use pydoc for keywordprg.
" Unix users preferentially get pydoc3, then pydoc2.
" Windows doesn't have a standalone pydoc executable in $PATH by default, nor
" does it have separate python2/3 executables, so Windows users just get
" whichever version corresponds to their installed Python version.
if executable('python3')
  setlocal keywordprg=python3\ -m\ pydoc
elseif executable('python')
  setlocal keywordprg=python\ -m\ pydoc
endif

let &cpo = s:keepcpo
unlet s:keepcpo

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