[Zope] How to check with ZOPE/Python if file "x.html" exists in path container.REQUEST.PARENTS[0].getPhysicalPath()?

[Thomas Duebendorfer]

On Wed, 4 Dec 2002, Dieter Maurer wrote:
> Thomas Duebendorfer writes:
>  > I simply want to check in a ZOPE/Python script, whether the file "x.html" 
>  > exists at the exact path defined by container.REQUEST.PARENTS[0].getPhysicalPath().
>  > And I want to make sure that ZOPE does NO TRAVERSAL, i.e. does not 
>  > look in folders above the given path in case the file was not found.
> Please search the mailing list archives for "aq_base".
> 
> Dieter

I found a the following solution:

myfile = 'x.html'

if(hasattr(container.REQUEST.PARENTS[0].aq_explicit, myfile)):
 # file exists (no traversal)
else:
 # file does not exist (no traversal)

(Note: .aq_base did not work)


Regards,

 Thomas