Why? It is more transparent and better way - use security tab.
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> Pedro LaWrench wrote:
>> I need to do something on the filesystem, which requires unrestricted
>> python, so I created an external method. The problem is that anyone
>> can call that directly via URL, so I added a permission check. Even
>> then, users with the sufficient permissions can call this via URL,
>> which I don't want them to do. I only want them to have access
>> indirectly from other pages (such as a page template that will pass
>> sane parameters). Is there anyway to do this?
>
> Add a REQUEST argument to your function, defaulting to None. The
> publisher will always pass the request in for that argument, while the
> other templates / scripts should not. E.g.:
>
> def doSomething(self, REQUEST=None):
> """ Don't call me directly via a URL!!!
> """
> if REQUEST is not None:
> raise ValueError('Wicked, evil, naughty Zoot!')