I guess I might have to try a snapshot, then. The workaround you provided doesn't seem to actually work. Thanks again for your time.
On Wed, Jan 28, 2015 at 11:02 AM, Matthew Flatt <[email protected]> wrote: > I should have guessed that you'd get that error. It's a bug in v6.1.1 > that has been fixed in the development version. > > Is using a development snapshot an option in your case? > > http://www.cs.utah.edu/plt/snapshots/ > > > Otherwise, a possible workaround is to add each module with that error > to `sandbox-namespace-spec`: > > (parameterize ([sandbox-namespace-specs > (append (sandbox-namespace-specs) > '(scribble/manual scribble/racket > racket/stxparam-exptime))]) > ....) > > > At Wed, 28 Jan 2015 10:56:38 -0700, Lucas Paul wrote: >> Thanks for that, Matthew. Unfortunately, when I try that, I get a new error: >> >> namespace-attach-module: a different instance of the same module is >> already in the destination namespace >> module name: "/usr/share/racket/collects/racket/stxparam-exptime.rkt" >> >> On Tue, Jan 27, 2015 at 2:03 PM, Matthew Flatt <[email protected]> wrote: >> > The `#:requires` option of `make-evaluator` requires the named modules >> > in the sandbox's namespace, but the module instances are distinct from >> > any instances in the original namespace. >> > >> > To attach the original namespace's instances to the sandbox's >> > namespace, use the `sandbox-namespace-specs` parameter: >> > >> > (define safe-eval >> > (parameterize ([sandbox-namespace-specs >> > (append (sandbox-namespace-specs) >> > '(scribble/manual scribble/racket))]) >> > (make-evaluator 'racket/base >> > #:requires '(scribble/manual scribble/racket)))) >> > >> > At Tue, 27 Jan 2015 13:22:01 -0700, Lucas Paul wrote: >> >> Hi. >> >> >> >> I want to evaluate some scribble things (in a sandbox) and then >> >> combine them with other scribble things I already have lying around. >> >> But I'm running into a problem. >> >> >> >> If I, for example, make a nicely formatted (racket) code block in a >> >> sandbox, and then put it in a (para) outside of that sandbox, the >> >> world explodes. Here is a minimal example: >> >> >> >> #lang racket >> >> >> >> (require racket/sandbox >> >> scribble/manual) >> >> >> >> (define safe-eval >> >> (make-evaluator 'racket/base #:requires '(scribble/manual >> scribble/racket))) >> >> >> >> (pretty-print (racket foo)) ; Gives one output >> >> (pretty-print (safe-eval '(racket foo))) ; Gives a slightly DIFFERENT >> output >> >> >> >> (para (racket foo)) ; Finishes happily >> >> (para (safe-eval '(racket foo))) ; Error >> >> >> >> ; end >> >> >> >> This is the error I get: >> >> >> >> para: contract violation >> >> expected: pre-content? >> >> given: (cached-element (style "RktSym" (list 'tt-chars (css-addition >> >> '(collects #"scribble" #"racket.css")) (tex-addition '(collects >> >> #"scribble" #"racket.tex")))) "foo" (vector (style "RktSym" (list >> >> 'tt-chars (css-addition '(collects #"scribble" #"racket... >> >> in: an element of >> >> the rest argument of >> >> (->* >> >> () >> >> (#:style (or/c style? string? symbol? #f)) >> >> #:rest >> >> (listof pre-content?) >> >> paragraph?) >> >> contract from: >> >> <pkgs>/scribble-lib/scribble/base.rkt >> >> blaming: anonymous-module >> >> (assuming the contract is correct) >> >> at: <pkgs>/scribble-lib/scribble/base.rkt:337.2 >> >> >> >> What is going on? Why does the same piece of code have two different >> >> results depending on where it's executing? And most importantly, is >> >> there a way for me to get this to work the way I /want/? >> >> >> >> - Lucas Paul >> >> ____________________ >> >> Racket Users list: >> >> http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
