Sublime Text plugin to insert a tag

insertMyTag.py

import sublime, sublime_plugin

def get_tab_size(view):
	return int(view.settings().get('tab_size', 8))

def normed_indentation_pt(view, sel, non_space=False):
	tab_size = get_tab_size(view)
	pos = 0
	ln = view.line(sel)
	for pt in range(ln.begin(), ln.end() if non_space else sel.begin()):
		ch = view.substr(pt)
		if ch == '\t':
			pos += tab_size - (pos % tab_size)
		elif ch.isspace():
			pos += 1
		elif non_space:
			break
		else:
			pos+=1
	return pos

def line_and_normed_pt(view, pt):
	return ( view.rowcol(pt)[0],
		normed_indentation_pt(view, sublime.Region(pt)) )

def pt_from_line_and_normed_pt(view, p, insertLength=0):
	ln, pt = p
	pt += insertLength
	i = start_pt = view.text_point(ln, 0)
	tab_size = get_tab_size(view)
	pos = 0
	for i in range(start_pt, start_pt + pt):
		ch = view.substr(i)
		if ch == '\t':
			pos += tab_size - (pos % tab_size)
		else:
			pos += 1
		i += 1
		if pos == pt: break
	return i

def save_selections(view, selections=None):
	return [ [line_and_normed_pt(view, p) for p in (sel.a, sel.b)]
		for sel in selections or view.sel() ]

def region_from_stored_selection(view, stored, insertLength):
	return sublime.Region(*[pt_from_line_and_normed_pt(view, p, insertLength) for p in stored])

def restore_selections(view, lines_and_pts, insertLength):
	view.sel().clear()
	for stored in lines_and_pts:
		view.sel().add(region_from_stored_selection(view, stored, insertLength))

class insertMyTagCommand(sublime_plugin.TextCommand):

	def run(self, edit):
		view = self.view
		sels = save_selections(view)
		for sel in view.sel():
			sel.start = sel.a if (sel.a < sel.b) else sel.b
			sel.end = sel.b if (sel.a < sel.b) else sel.a
			insert1Length = view.insert(edit, sel.start, '<MYTAG>')
			view.insert(edit, sel.end + insert1Length, '</MYTAG>')
		restore_selections(view, sels, insert1Length)

Creates tags on cursor position or wraps them around selected text. A lot of overhead lifted from the default plugin indentation.py just to move the cursor between the tags after inserting them (if you know better how to do that please tell me).