Clang format on save in sublime text 3

gistfile1.txt

import sublime, sublime_plugin
import subprocess

class ClangFormatCommand(sublime_plugin.TextCommand):
  def run(self, edit):
    r = sublime.Region(0, self.view.size())
    try:
      p = subprocess.Popen(
          ['clang-format', '--style', 'Google'],
          stdin=subprocess.PIPE,
          stdout=subprocess.PIPE)
      stdoutdata, stderrdata = p.communicate(self.view.substr(r).encode('utf-8'))
      p.stdin.close()
      self.view.replace(edit, r, stdoutdata.decode('utf-8'))

    except subprocess.CalledProcessError as e:
      print(str(e))

  def description(self):
    return "Format: Clang"

class ClangFormatOnSave(sublime_plugin.EventListener):
  def on_pre_save(self, view):
    if not view.settings().get('clang_format_on_save', False):
      return

    fname = view.file_name()
    if fname is None:
      return

    suffix = fname[fname.rfind('.'):]
    if suffix in ('.cc', '.h'):
      view.run_command('clang_format')