[Python-Dev] Path PEP and the division operator

[Duncan Booth]

Nick Coghlan <ncoghlan at gmail.com> wrote in
news:43E5543B.1080907 at gmail.com: 

> Duncan Booth wrote:
>> I'm not convinced by the rationale given why atime,ctime,mtime and
>> size are methods rather than properties but I do find this PEP much
>> more agreeable than the last time I looked at it.
> 
> A better rationale for doing it is that all of them may raise
> IOException. It's rude for properties to do that, so it's better to
> make them methods instead. 

Yes, that rationale sounds good to me.

> 
> That was a general guideline that came up the first time adding Path
> was proposed - if the functionality involved querying or manipulating
> the actual filesystem (and therefore potentially raising IOError),
> then it should be a method. If the operation related solely to the
> string representation, then it could be a property.

Perhaps Bjorn could add that to the PEP?