Message 201991 - Python tracker

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Author	tim.peters
Recipients	tim.peters
Date	2013-11-03.04:29:15
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1383452956.07.0.644121763839.issue19481@psf.upfronthosting.co.za>
In-reply-to

Content
This showed up on StackOverflow: http://stackoverflow.com/questions/19749757/print-is-blocking-forever-when-printing-unicode-subclass-instance-from-idle They were using 32-bit Python 2.7.5 on Windows 7; I reproduced using the same Python on Windows Vista. To reproduce, open IDLE, and enter >>> class Foo(unicode): pass >>> foo = Foo('bar') >>> print foo IDLE hangs then, and Ctrl+C is ignored. Stranger, these variants do not hang: >>> foo >>> print str(foo) >>> print repr(foo) Those all work as expected. Cute :-) And none of these hang in a DOS-box session.

This showed up on StackOverflow:

http://stackoverflow.com/questions/19749757/print-is-blocking-forever-when-printing-unicode-subclass-instance-from-idle

They were using 32-bit Python 2.7.5 on Windows 7; I reproduced using the same Python on Windows Vista.  To reproduce, open IDLE, and enter

>>> class Foo(unicode):
        pass
>>> foo = Foo('bar')
>>> print foo

IDLE hangs then, and Ctrl+C is ignored.  Stranger, these variants do *not* hang:

>>> foo
>>> print str(foo)
>>> print repr(foo)

Those all work as expected.  Cute :-)

And none of these hang in a DOS-box session.

History
Date	User	Action	Args
2013-11-03 04:29:16	tim.peters	set	recipients: + tim.peters
2013-11-03 04:29:16	tim.peters	set	messageid: <1383452956.07.0.644121763839.issue19481@psf.upfronthosting.co.za>
2013-11-03 04:29:15	tim.peters	link	issue19481 messages
2013-11-03 04:29:15	tim.peters	create