configuration/config/nvim/ftplugin/python.vim

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" Interactive
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nnoremap <buffer> <Leader>i :terminal python -i %<CR>
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" Lint
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function! Pylint()
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silent !pylint --reports=n --output-format=parseable '%' > /tmp/errors.err 2> /dev/null
cfile
silent !rm /tmp/errors.err
redraw!
copen
endfunction
nnoremap <buffer> <Leader>x :call Pylint()<CR>
" Folding
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function! PythonFold(lnum)
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if getline(a:lnum-1) =~ '^\s*def\s' || getline(a:lnum-1) =~ '^\s*class\s'
return indent(a:lnum-1) / 4 + 1
endif
if getline(a:lnum) =~ '^\s*def\s' || getline(a:lnum) =~ '^\s*class\s'
return indent(a:lnum) / 4
endif
if getline(a:lnum+1) =~ '^\s*def\s' || getline(a:lnum+1) =~ '^\s*class\s'
return indent(a:lnum + 1) / 4
endif
if getline(a:lnum+1) =~ '^\S.*$'
return '0'
endif
return '='
endfunction
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function! PythonFoldText()
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return repeat(' ', indent(v:foldstart - 1) + 4) . '+'
endfunction
setlocal foldmethod=expr
setlocal foldexpr=PythonFold(v:lnum)
setlocal foldtext=PythonFoldText()