text: #!/usr/bin/env python
  
  """
  Fetch a single tweet as JSON using its id.
  """
  from __future__ import print_function
  
  import os
  import json
  import twarc
  import argparse
  
  e = os.environ.get
  parser = argparse.ArgumentParser("tweet.py")
  
  parser.add_argument('tweet_id', action="store", help="Tweet ID")
  parser.add_argument("--consumer_key", action="store",
                      default=e('CONSUMER_KEY'),
                      help="Twitter API consumer key")
  parser.add_argument("--consumer_secret", action="store",
                      default=e('CONSUMER_SECRET'),
                      help="Twitter API consumer secret")
  parser.add_argument("--access_token", action="store",
                      default=e('ACCESS_TOKEN'),
                      help="Twitter API access key")
  parser.add_argument("--access_token_secret", action="store",
                      default=e('ACCESS_TOKEN_SECRET'),
                      help="Twitter API access token secret")
  args = parser.parse_args()
  
  tw = twarc.Twarc(args.consumer_key, args.consumer_secret, args.access_token, args.access_token_secret)
  tweet = tw.get('https://api.twitter.com/1.1/statuses/show/%s.json' % args.tweet_id)
  
  print(json.dumps(tweet.json(), indent=2))
  