m_lib/net/www/serverpush.py

   1 """Server Push"""
   2
   3
   4 import sys, mimetools
   5
   6 class ServerPush:
   7    def __init__(self, out=sys.stdout):
   8       self.out = out
   9       self.output = out.write
  10       self.boundary = mimetools.choose_boundary()
  11
  12
  13    def start(self):
  14       self.output("""\
  15 Content-type: multipart/x-mixed-replace;boundary=%s
  16
  17 """ % self.boundary)
  18
  19
  20    def next(self, content_type="text/html"):
  21       self.output("""\
  22 --%s
  23 Content-type: %s
  24 """ % (self.boundary, content_type))
  25
  26
  27    def stop(self):
  28       self.output("--%s--" % self.boundary)