--- a/mercurial/hgweb/hgweb_mod.py	Wed Jul 14 15:43:20 2010 -0500
+++ b/mercurial/hgweb/hgweb_mod.py	Wed Jul 14 16:19:27 2010 -0500
@@ -49,7 +49,10 @@
                 break
             self.req.write(z.compress(chunk))
         self.req.write(z.flush())
-
+    def sendstream(self, source):
+        self.req.respond(HTTP_OK, HGTYPE)
+        for chunk in source:
+            self.req.write(chunk)
     def respond(self, s):
         self.req.respond(HTTP_OK, HGTYPE, length=len(s))
         self.response = s