https://github.com/hiredman/polycosm On Aug 30, 2012 6:38 PM, "Dave Ray" <dave...@gmail.com> wrote:
> Hi, > > I'm looking for the best way to execute some Clojure code in a more or > less completely isolated environment. That is, say we load one piece > of code: > > A: > --- > (ns my-ns) > > (def foo [] (println "hi")) > > (foo) > --- > > if a second piece of code was loaded: > > B: > --- > (ns my-ns) > > (foo) ; <-- This should fail > --- > > the reference to foo would fail because they're two completely > different environments. > > What seems to be foiling this goal is the static global > clojure.lang.Namespace.namespaces. Even if I compile the code in > separate class loaders, the namespace map is still shared. > > The best solution I've come up with so far is just to load the Clojure > jar in its own class loader so there's no chance of different > environments messing with each other through the global namespace > table. It also means loading multiple copies of Clojure. > > I've looked a bit at the tryclojure/clojail approach of restricting > access to (in-ns), (ns), etc and just generating a unique namespace > for each piece of code. That may be an easier approach at the risk of > the code being less isolated. > > This is being integrated into a larger, existing framework, which is > where the isolation requirements come from. > > Thoughts? > > Thanks, > > Dave > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
