On 2010-05-03, Baz Walter <baz...@ftml.net> wrote:

>> You requested something that wasn't possible.  It failed.  What do
>> you think should have happened?
>
> path = '../abc.txt'
>
> os.path.realpath(path) -> "OSError: [Errno 2] No such file or directory"
>
> therefore:
>
> open(path) -> "IOError: [Errno 2] No such file or directory"
>
> i think that if the first of these seemingly "impossible" requests 
> fails, it is reasonable to expect that the second one also fails. but
> the second one (sometimes) doesn't.

Because the second one isn't impossible in the case you posted.

> i think they should always either both succeed, or both fail.

That's not how Unix filesystems work.  

Are you saying that Python should add code to it's open() builtin
which calls realpath() and then refuses to open files for which
realpath() fails? Even though the user provided a legal and openable
path?

-- 
Grant Edwards               grant.b.edwards        Yow! Did I say I was
                                  at               a sardine?  Or a bus???
                              gmail.com            
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