[Python-3000] Odd output from test -- buffering bug? (original) (raw)

Bill Janssen janssen at parc.com
Sun Oct 28 02:27:29 CET 2007

No, not unless the test harness uses it. But there are two threads.

Hard to say. Never seen this before. Are you using fork() anywhere in your tests (not necessarily the affected test)?

2007/10/27, Bill Janssen <janssen at parc.com>: > I'm seeing a sort of odd thing going on when running one of my tests. > I'm seeing two lines of output, from two different threads, being > duplicated when I run with "regrtest -u all -v testssl". This is > with the latest 3K sources on PPC OS X 10.4.10. > > testSTARTTLS (test.testssl.ThreadedTests) ... > client: sending b'msg 1'... > ^@client: sending b'msg 1'... > server: new connection from ('127.0.0.1', 52371) > server: new connection from ('127.0.0.1', 52371) > > This is output to an Emacs shell buffer, so it shows control > characters in the output, and I'm seeing a NUL character being output > there at the beginning of the third line. Both of the duplicated lines > are being output with code like this: > > if testsupport.verbose: > sys.stdout.write( > " client: sending %s...\n" % repr(msg)) > > This looks like some kind of buffering bug. Is it in the test > harness, or the standard I/O library? > > Bill > _> ________________________ > Python-3000 mailing list > Python-3000 at python.org > http://mail.python.org/mailman/listinfo/python-3000 > Unsubscribe: http://mail.python.org/mailman/options/python-3000/guido%40python.org >

-- --Guido van Rossum (home page: http://www.python.org/~guido/)

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