Issue #10883: Fix socket leaks in urllib.request.
* ftpwrapper now uses reference counting to ensure that the underlying socket
is closed when the ftpwrapper object is no longer in use
* ftplib.FTP.ntransfercmd() now closes the socket if an error occurs
Initial patch by Victor Stinner.
diff --git a/Lib/test/test_urllib2net.py b/Lib/test/test_urllib2net.py
index eaad325..a475f56 100644
--- a/Lib/test/test_urllib2net.py
+++ b/Lib/test/test_urllib2net.py
@@ -222,6 +222,7 @@
handlers = []
cfh = urllib.request.CacheFTPHandler()
+ self.addCleanup(cfh.clear_cache)
cfh.setTimeout(1)
handlers.append(cfh)