#change tracker

import sublime, sublime_plugin class ClearChangesCommand(sublime_plugin.EventListener):    def on_post_save(self, view):       view.erase_regions('unsaved') class HighlightUnsavedCommand(sublime_plugin.EventListener):    def on_modified(self, view):       unsaved = view.get_regions('unsaved') + [view.line(s) for s in view.sel()]       with open(view.file_name(), 'r') as f:          read_data = f.read()       for sel in view.sel():          print view.line(sel)          if read_data[view.line(sel).begin():view.line(sel).end()] == view.substr(view.line(sel)):             unsaved[:] = [x for x in unsaved if x != view.line(sel)]              view.add_regions("unsaved", unsaved, "mark", "dot", sublime.HIDDEN | sublime.PERSISTENT)