title: Using Raven, how to save exception to file and sent later to Sentry?
body: <p>In my Python app, I have been working with Raven+Sentry to catch exception and sent it to sentry at the time of the exception occur, code below:</p>
  
  <pre><code>if __name__ == '__main__':
  from raven import Client
  
  client = Client(dsn='&lt;MY SENTRY DSN&gt;')
  try:
      MyApp().run()
  except:
      import traceback
      traceback.print_exc()
      ident = client.get_ident(client.captureException())
      print "Exception caught; reference is %s" % ident
  </code></pre>
  
  <p>It will sent the exception directly to Senty backend just after the application crashed. What I want to accomplished is, saving the exception first to local file and then send it later on when the app starting.</p>
  
  <p>Do Sentry+Raven support this kind of functionality?</p>