def GetUserByEmail(self, email):
    '''Returns a single user by email address.

    Args:
      email: The email of the user to retrieve.
    Returns:
      A twitter.User instance representing that user
    '''
    url = TWITTER_API_ROOT + 'users/show.json?email=%s' % email
    json = self._FetchUrl(url)
    data = simplejson.loads(json)
    self._CheckForTwitterError(data)
    return User.NewFromJsonDict(data)
Returns a single user by email address.

    Args:
      email: The email of the user to retrieve.
    Returns:
      A twitter.User instance representing that user
    
twitter/twitter.py