#!/usr/bin/env python


# https://gist.github.com/jrsmith3/5513926
import requests
import sys


def doi2bib(doi):
  """
  Return a bibTeX string of metadata for a given DOI.
  """
 
  url = "http://dx.doi.org/" + doi
 
  headers = {"accept": "application/x-bibtex"}
  r = requests.get(url, headers = headers, timeout=3)

  s = ''.join(r.text).encode('utf-8').strip()
  #print s.decode('ascii','ignore')
  print(s.decode('utf-8'))
  return s.decode('utf-8')

if __name__ == "__main__":
  doi2bib(*sys.argv[1:])