old_contents: import re
  import socket
  
  class Location(object):
    " Determine which cluster the code is running in, or CORP if we are not in prod. "
  
    CORP = "corp"
  
    @staticmethod
    def get_location():
      hostname = socket.gethostname()
      prod_matcher = re.match('^(\w{3}).*.twitter\.com$', hostname)
  
      if re.search('.+\.local$', hostname):
        return Location.CORP
      elif prod_matcher is not None:
        return prod_matcher.group(1)
      else:
        print 'Can\'t determine location (prod vs. corp). Hostname=%s' % hostname
        return None
  
new_contents: import re
  import socket
  
  class Location(object):
    """Determine which cluster the code is running in, or CORP if we are not in prod."""
  
    CORP = "corp"
  
    @staticmethod
    def get_location():
      hostname = socket.gethostname()
      prod_matcher = re.match('^(\w{3}\d+).*\.twitter\.com$', hostname)
      prod_host = prod_matcher.group(1) if prod_matcher else None
      if hostname.endswith('.local') or hostname.endswith('.office.twttr.net') or 'sfo0' == prod_host:
        return Location.CORP
      elif prod_host:
        return prod_host
      else:
        print 'Can\'t determine location (prod vs. corp). Hostname=%s' % hostname
        return None
  
subject: Update Location determination to current hostname standards.