text: """Install exception handler for process crash."""
  import os
  import sys
  from selfdrive.version import version, dirty
  
  from selfdrive.swaglog import cloudlog
  
  if os.getenv("NOLOG") or os.getenv("NOCRASH"):
    def capture_exception(*exc_info):
      pass
    def bind_user(**kwargs):
      pass
    def bind_extra(**kwargs):
      pass
    def install():
      pass
  else:
    from raven import Client
    from raven.transport.http import HTTPTransport
    client = Client('https://337780a801d4403191397e38d09c58fa:6a24b244b60e460c95ef1bb5537baecb@sentry.io/1405754',
                    install_sys_hook=False, transport=HTTPTransport, release=version, tags={'dirty': dirty})
  
    def capture_exception(*args, **kwargs):
      client.captureException(*args, **kwargs)
      cloudlog.error("crash", exc_info=kwargs.get('exc_info', 1))
  
    def bind_user(**kwargs):
      client.user_context(kwargs)
  
    def bind_extra(**kwargs):
      client.extra_context(kwargs)
  
    def install():
      # installs a sys.excepthook
      __excepthook__ = sys.excepthook
      def handle_exception(*exc_info):
        if exc_info[0] not in (KeyboardInterrupt, SystemExit):
          capture_exception(exc_info=exc_info)
        __excepthook__(*exc_info)
      sys.excepthook = handle_exception
  