On Mon, 03 Sep 2012 15:29:05 +0200, Christian Heimes wrote:
> Am 03.09.2012 14:32, schrieb Marco:
>> Does anyone have an example of utilisation?
>
> The opener argument is a new 3.3 feature. For example you can use the
> feature to implement exclusive creation of a file to avoid symlink
> attacks.
>
> import os
>
> def opener(file, flags):
> return os.open(file, flags | os.O_EXCL)
>
> open("newfile", "w", opener=opener)
Why does the open builtin need this added complexity? Why not just call
os.open directly? Or for more complex openers, just call the opener
directly?
What is the rationale for complicating open instead of telling people to
just call their opener directly?
--
Steven
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