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copied!<p>So, I've never done any Vim scripting before, but based on <a href="https://stackoverflow.com/questions/3475072/vim-different-textwidth-for-multiline-c-comments">this question about doing something similar in C</a> and <a href="http://vim.wikia.com/wiki/Check_for_comments_independent_of_filetype" rel="nofollow noreferrer">this tip for checking if you're currently in a comment</a>, I've hacked together a solution.</p> <p>By default, this uses the PEP8-suggested widths of 79 characters for normal lines and 72 characters for comments, but you can override them by <code>let</code>ting <code>g:python_normal_text_width</code> or <code>g:python_comment_text_width</code> variables, respectively. (Personally, I wrap normal lines at 78 characters.)</p> <p>Drop this baby in your <em>.vimrc</em> and you should be good to go. I may package this up as a plugin later.</p> <pre><code>function! GetPythonTextWidth() if !exists('g:python_normal_text_width') let normal_text_width = 79 else let normal_text_width = g:python_normal_text_width endif if !exists('g:python_comment_text_width') let comment_text_width = 72 else let comment_text_width = g:python_comment_text_width endif let cur_syntax = synIDattr(synIDtrans(synID(line("."), col("."), 0)), "name") if cur_syntax == "Comment" return comment_text_width elseif cur_syntax == "String" " Check to see if we're in a docstring let lnum = line(".") while lnum >= 1 && (synIDattr(synIDtrans(synID(lnum, col([lnum, "$"]) - 1, 0)), "name") == "String" || match(getline(lnum), '\v^\s*$') > -1) if match(getline(lnum), "\\('''\\|\"\"\"\\)") > -1 " Assume that any longstring is a docstring return comment_text_width endif let lnum -= 1 endwhile endif return normal_text_width endfunction augroup pep8 au! autocmd CursorMoved,CursorMovedI * :if &ft == 'python' | :exe 'setlocal textwidth='.GetPythonTextWidth() | :endif augroup END </code></pre>

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