Charles-Francois Natali neolo...@free.fr added the comment:
This is normal behaviour: stdout is normally line buffered (_IOLBF) only if
connected to a tty.
When it's not connected to a tty, it's full buffered (_IOFBF). This is done on
purpose for performance reason. To convince yourself, run
Antoine Pitrou pit...@free.fr added the comment:
Agreed with Charles-François, this is normal behaviour since the bytes written
on stdout are buffered (up to a certain size). If calling flush() doesn't solve
the issue, please reopen the issue.
--
resolution: - invalid
status: open -
Erik Demaine edema...@mit.edu added the comment:
msg28537 shows a version with flush, and says that it fails. I haven't tested
since 2006, though, so I can retry, in particular to see whether the patch
suggested in the original post has been applied now.
--
resolution: invalid -
Antoine Pitrou pit...@free.fr added the comment:
msg28537 shows a version with flush, and says that it fails
I cannot reproduce. Either with Python 2.5.2 (!), 2.7 or 3.2, on a remote
Debian system. Even using kill -9 on the local ssh process does shut down the
remote Python process.
If I
Erik Demaine edema...@mit.edu added the comment:
I just tested on Python 2.5.2, 2.6.2, and 3.0.1, and I could not reproduce the
error (using the code in msg28537). It would seem that file.flush is catching
the problem, even though file.write is ignoring the error, but I can't see any
changes
Changes by A.M. Kuchling li...@amk.ca:
--
assignee: akuchling -
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Changes by Terry J. Reedy tjre...@udel.edu:
--
stage: - unit test needed
versions: +Python 2.7, Python 3.1, Python 3.2 -Python 2.5, Python 2.6
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Changes by Matteo Bertini matt...@naufraghi.net:
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nosy: +naufraghi
type: - behavior
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Changes by Forest Bond for...@alittletooquiet.net:
--
nosy: +forest_atq
versions: +Python 2.6
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Ralf Schmitt added the comment:
the c program is broken as it does not check the error code of fflush.
The real problem is buffering.
while True:
__print 'Hello'
__time.sleep (1)
will not notice an error until the buffers are flushed.
Running python t.py |head -n2 and killing head does not
Ralf Schmitt added the comment:
ahh.no. the c program does the fflush on the logfile...sorry.
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