new_contents: #!/usr/bin/python
  import sys
  import os
  import simplejson
  
  sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'api'))
  import zulip
  
  zulip_client = zulip.Client(site="http://localhost:9991")
  
  payload_dir = "zerver/fixtures/github"
  for filename in os.listdir(payload_dir):
      with open(os.path.join(payload_dir, filename)) as f:
          req = simplejson.loads(f.read())
      req['api-key'] = zulip_client.api_key
      req['email'] = zulip_client.email
      zulip_client.do_api_query(req, zulip.API_VERSTRING + "external/github")
  
subject: Add tool for sending Github payloads to a local instance