old_contents: """
  RstPreview renders reStructuredText files as HTML and shows them in your
  default browser.
  """
  
  import os
  
  from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
  from webbrowser import open as open_in_browser
  
  import sublime
  from sublime_plugin import TextCommand
  from sublime import Region
  
  
  def rst_to_html(rst_text):
      try:
          from docutils.core import publish_string
          args = {
          'stylesheet_path': os.path.join(sublime.packages_path(), 'RstPreview/css/bootstrap.min.css') +
           ',' + os.path.join(sublime.packages_path(), 'RstPreview/css/base.css')
          }
          return publish_string(rst_text, writer_name='html', settings_overrides=args)
      except ImportError:
          error_msg = """RstPreview requires docutils to be installed for the python interpreter that Sublime uses.
      run: `sudo easy_install-2.6 docutils` and restart Sublime (if on Mac Os or Linux). For windows check the docs at
      https://github.com/d0ugal/RstPreview"""
  
          sublime.error_message(error_msg)
  
  
  def render_in_browser(html):
      """
      Starts a simple HTTP server, directs the browser to it and handles that
      request before closing down. This avoids the need to create many temp
      files. However, it does mean the page can't be reloaded after which is
      a little odd.
      """
  
      class RequestHandler(BaseHTTPRequestHandler):
  
          def do_GET(self):
              """
              Write the HTML to the request file
              """
              self.wfile.write(html)
  
      # Start the server on a given random port
      server = HTTPServer(('127.0.0.1', 0), RequestHandler)
      # point the browser to that IP and port.
      open_in_browser('http://127.0.0.1:%s' % server.server_port)
      # handle the single request and then end.
      server.handle_request()
  
  
  class RstpreviewCommand(TextCommand):
  
      def run(self, edit):
  
          # Select all the text in the current document
          text = self.view.substr(Region(0, self.view.size()))
  
          # Write that RST text as HTML
          html = rst_to_html(text)
  
          render_in_browser(html)
  
new_contents: """
  RstPreview renders reStructuredText files as HTML and shows them in your
  default browser.
  """
  
  import os
  
  from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
  from webbrowser import open as open_in_browser
  
  import sublime
  from sublime_plugin import TextCommand
  from sublime import Region
  
  
  def rst_to_html(rst_text):
      try:
          from docutils.core import publish_string
          args = {
          'stylesheet_path': os.path.join(sublime.packages_path(), 'RstPreview/css/bootstrap.min.css') +
           ',' + os.path.join(sublime.packages_path(), 'RstPreview/css/base.css')
          }
          return publish_string(rst_text, writer_name='html', settings_overrides=args)
      except ImportError:
          error_msg = """RstPreview requires docutils to be installed for the python interpreter that Sublime uses.
      run: `sudo easy_install-2.6 docutils` and restart Sublime (if on Mac OS X or Linux). For Windows check the docs at
      https://github.com/d0ugal/RstPreview"""
  
          sublime.error_message(error_msg)
  
  
  def render_in_browser(html):
      """
      Starts a simple HTTP server, directs the browser to it and handles that
      request before closing down. This avoids the need to create many temp
      files. However, it does mean the page can't be reloaded after which is
      a little odd.
      """
  
      class RequestHandler(BaseHTTPRequestHandler):
  
          def do_GET(self):
              """
              Write the HTML to the request file
              """
              self.wfile.write(html)
  
      # Start the server on a given random port
      server = HTTPServer(('127.0.0.1', 0), RequestHandler)
      # point the browser to that IP and port.
      open_in_browser('http://127.0.0.1:%s' % server.server_port)
      # handle the single request and then end.
      server.handle_request()
  
  
  class RstpreviewCommand(TextCommand):
  
      def run(self, edit):
  
          # Select all the text in the current document
          text = self.view.substr(Region(0, self.view.size()))
  
          # Write that RST text as HTML
          html = rst_to_html(text)
  
          render_in_browser(html)
  
subject: Update RstPreview.py