From: Brian Warner <warner@lothar.com>
Date: Thu, 13 Oct 2011 20:12:19 +0000 (-0700)
Subject: web/filenode.py: rely on Request.notifyFinish. Closes #1366.
X-Git-Tag: allmydata-tahoe-1.9.0b1~4
X-Git-Url: https://git.rkrishnan.org/pf/content/en/seg/provisioning?a=commitdiff_plain;h=3eb60ff986563e79c72b701a4a0cb6f16229089f;p=tahoe-lafs%2Ftahoe-lafs.git

web/filenode.py: rely on Request.notifyFinish. Closes #1366.

This is safe now that tahoe depends upon Twisted>=10.1, since notifyFinish
first appeared in Twisted-9.0
---

diff --git a/src/allmydata/web/filenode.py b/src/allmydata/web/filenode.py
index 3e4abf13..18ffe2df 100644
--- a/src/allmydata/web/filenode.py
+++ b/src/allmydata/web/filenode.py
@@ -452,13 +452,10 @@ class FileDownloader(rend.Page):
         if req.method == "HEAD":
             return ""
 
-        # Twisted >=9.0 throws an error if we call req.finish() on a closed
-        # HTTP connection. It also has req.notifyFinish() to help avoid it.
         finished = []
         def _request_finished(ign):
             finished.append(True)
-        if hasattr(req, "notifyFinish"):
-            req.notifyFinish().addBoth(_request_finished)
+        req.notifyFinish().addBoth(_request_finished)
 
         d = self.filenode.read(req, first, size)