#!/usr/bin/env python
"""emano schemes - http.py"""

import urllib, httplib, urlparse
# @@ Redefine URI getter

def read(doc, uri): 
   u = urllib.urlopen(uri)
   info = u.info()

   if isinstance(info, list): 
      pass # @@ got some kind of error message
   elif info.has_key('Content-Type'): 
      contentType = info.get('Content-Type')
      if 'charset=' in contentType: 
         # @@ Check for a better charset= parsing algorithm
         charset = contentType[contentType.find('charset=')+8:]
         doc.encoding = charset.strip('"')

   for line in u: 
      doc.append(line)
   if line.endswith('\n'): 
      doc.append('')

   u.close()

def write(doc, uri): 
   scheme, host, path, params, query, frag = urlparse.urlparse(uri)
   body = doc.getContent()

   h = httplib.HTTPConnection(host)
   h.request("PUT", path, body)
   response = h.getresponse()
   msg = 'Got: %s %s from %s (200, 201, or 204 indicate success)'
   msg = msg % (response.status, response.reason or '-', host)
   if int(response.status) in (200, 201, 204): 
      doc.rehash()
   return msg

if __name__=="__main__": 
   print __doc__