Message 83990 - Python tracker

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Author	LambertDW
Recipients	LambertDW
Date	2009-03-23.00:21:43
SpamBayes Score	0.00028818598
Marked as misclassified	No
Message-id	<1237767706.4.0.494617404743.issue5539@psf.upfronthosting.co.za>
In-reply-to

Content
See thread http://groups.google.com/group/comp.lang.python/browse_thread/thread/85e c714aa6898d84# En Sun, 22 Mar 2009 19:12:13 -0300, Benjamin Peterson <benja...@python.org> escribió: > Gabriel Genellina <gagsl-py2 <at> yahoo.com.ar> writes: >> The undocumented behavior is relying on the open() builtin to return a >> BufferedReader for a binary file. > I don't see the problem. open() will return some BufferedIOBase > implmentor, and > that's all that TextIOWrapper needs. How do you know? AFAIK, the return value of open() is completely undocumented: http://docs.python.org/3.0/library/functions.html#open And if you open the file in text mode, the return value isn't a BufferedIOBase. -- Gabriel Genellina The return value of open() is a "stream", according to http://docs.python.org/dev/py3k/library/io.html#module-io

See thread
http://groups.google.com/group/comp.lang.python/browse_thread/thread/85e
c714aa6898d84#


En Sun, 22 Mar 2009 19:12:13 -0300, Benjamin Peterson   
<benja...@python.org> escribió: 
> Gabriel Genellina <gagsl-py2 <at> yahoo.com.ar> writes: 
>> The undocumented behavior is relying on the open() builtin to return 
a 
>> BufferedReader for a binary file. 
> I don't see the problem. open() will return some BufferedIOBase   
> implmentor, and 
> that's all that TextIOWrapper needs. 


How do you know? AFAIK, the return value of open() is completely   
undocumented: 
http://docs.python.org/3.0/library/functions.html#open 
And if you open the  file in text mode, the return value isn't a   
BufferedIOBase. 
-- 
Gabriel Genellina 

The return value of open() is a "stream", according to 
http://docs.python.org/dev/py3k/library/io.html#module-io

History
Date	User	Action	Args
2009-03-23 00:21:46	LambertDW	set	recipients: + LambertDW
2009-03-23 00:21:46	LambertDW	set	messageid: <1237767706.4.0.494617404743.issue5539@psf.upfronthosting.co.za>
2009-03-23 00:21:44	LambertDW	link	issue5539 messages
2009-03-23 00:21:43	LambertDW	create