Now cam someone show me how to get Racket-style requiring in Python :-)
> On Jun 29, 2016, at 9:35 AM, Jay McCarthy <[email protected]> wrote: > > I think you want this: > > #lang racket/base > (require (for-syntax racket/base > syntax/parse > racket/require-transform > racket/syntax)) > > (define-syntax ns-in > (make-require-transformer > (λ (stx) > (syntax-parse stx > [(_ mp:id) > (with-syntax ([mp: (format-id #'mp "~a:" #'mp)]) > (expand-import > (syntax/loc stx > (prefix-in mp: mp))))])))) > > (module+ test > (require (ns-in racket/list)) > racket/list:empty) > > On Wed, Jun 29, 2016 at 9:05 AM, Shakna Israel <[email protected]> wrote: >> I'm trying to introduce an implicit binding for require. >> >> One of the features I love about Python, is the namespace binding. >> >> import sys >> >> sys.stdout.write("Sweet") >> >> I know this can also be accomplished with require by specifying a prefix-in, >> or a prefix-out with a local-require. >> >> However, I want a require that does that for me. >> >> (require racket/base) >> (racket/base:println "It works!") >> >> Figuring the namespace mangling is simple enough. >> >> However, for this to work, I think I need a require transformer, but I'm at >> a loss. The only example I see can mess with the module path, but not the >> symbols it exposes. >> >> Any pointers? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Racket Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. > > > > -- > Jay McCarthy > Associate Professor > PLT @ CS @ UMass Lowell > http://jeapostrophe.github.io > > "Wherefore, be not weary in well-doing, > for ye are laying the foundation of a great work. > And out of small things proceedeth that which is great." > - D&C 64:33 > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
