snippet me "Identify me"
Kenneth Benzie <k.benzie83@gmail.com>
endsnippet

global !p
comment=vim.current.buffer.options['commentstring'].strip()

def commentbefore():
	commentbefore = comment[0:comment.find('%s')].strip()
	row, col = vim.current.window.cursor
	row -= 1
	col -= 1
	line = vim.current.buffer[row]
	if (col - 1) >= 0 and commentbefore == line[col - 1:len(commentbefore)]:
		return ''
	return commentbefore + ' '

def commentafter():
	after=comment[comment.find('%s')+2:].strip()
	if 0 < len(after):
		return ' ' + after
	return ''
endglobal

snippet todo "TODO commment"
`!p snip.rv=commentbefore()`TODO$1: $0`!p snip.rv=commentafter()`
endsnippet

snippet note "NOTE comment"
`!p snip.rv=commentbefore()`NOTE: $0`!p snip.rv=commentafter()`
endsnippet