[Zope] probably a faq: access INSTANCE_HOME

Admittedly, I spent 5 minutes searching and no joy... How does one access INSTANCE_HOME in an external method? The logic I need is something like this--I'm just missing the incantation for my fanciful getZopeEnviron. Help? # a fanciful dream... import os def dostuff(self): location = self.getZopeEnviron("INSTANCE_HOME", None) if not location: location = self.getZopeEnviron("SOFTWARE_HOME", None) if not location: raise PukeOla("What the f---?") import_dir = os.path.join(location, "import") # Now we're cooking with fire... Cheers, // m -