The python kernel supports outputing HTML via the <a href="https://ipython.readthedocs

Here are some snippets that may be related: <div class="Box Box-

Rendering HTML in cell output about iracket HOT 1 OPEN

rmculpepper commented on August 22, 2024

Rendering HTML in cell output

from iracket.

Comments (1)

lihebi commented on August 22, 2024

Here are some snippets that may be related:

iracket/private/jupyter.rkt

Lines 106 to 124 in d2ffb50

 (define mime-type/c 

 (or/c 'application/json 

 'application/pdf 

 'application/xml 

 'image/gif 

 'image/jpeg 

 'image/png 

 'image/bmp 

 'image/svg+xml 

 'image/tiff 

 'text/csv 

 'text/html 

 'text/markdown 

 'text/plain 

 'text/rtf 

 'text/xml 

 'video/avi 

 'video/mpeg 

 'video/mp4))

iracket/private/kernel.rkt

Lines 133 to 135 in d2ffb50

 (define (make-display-html v) 

 (define pin (value->special-html-input-port v)) 

 (cons 'text/html (xexpr->string `(code ,@(port->contents pin)))))

iracket/private/kernel.rkt

Lines 154 to 174 in d2ffb50

 ;; value->special-html-input-port : Any -> InputPort 

 ;; Pretty-prints the value to a pipe and returns the input end. Pretty-printing 

 ;; produces mostly text, but images (and other convertible things) are embedded 

 ;; as xexpr specials in the port. 

 (define (value->special-html-input-port v) 

 (define-values (pin pout) (make-pipe-with-specials)) 

 (define (size-hook v d? out) 

 (cond [(and (convertible? v) (convert v 'png-bytes)) 1] 

 [else #f])) 

 (define (print-hook v d? out) 

 (define png-data (convert v 'png-bytes)) 

 (define img-src (format "data:image/png;base64,~a" (base64-encode png-data))) 

 (define img-style 

 "display: inline; vertical-align: baseline; padding: 0pt; margin: 0pt; border: 0pt") 

 (write-special `(img ((style ,img-style) (src ,img-src))) out)) 

 (parameterize ((pretty-print-columns 'infinity) 

 (pretty-print-size-hook size-hook) 

 (pretty-print-print-hook print-hook)) 

 (pretty-print v pout)) 

 (close-output-port pout) 

 pin)

from iracket.

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	(define mime-type/c
	(or/c 'application/json
	'application/pdf
	'application/xml
	'image/gif
	'image/jpeg
	'image/png
	'image/bmp
	'image/svg+xml
	'image/tiff
	'text/csv
	'text/html
	'text/markdown
	'text/plain
	'text/rtf
	'text/xml
	'video/avi
	'video/mpeg
	'video/mp4))

	(define (make-display-html v)
	(define pin (value->special-html-input-port v))
	(cons 'text/html (xexpr->string `(code ,@(port->contents pin)))))

	;; value->special-html-input-port : Any -> InputPort
	;; Pretty-prints the value to a pipe and returns the input end. Pretty-printing
	;; produces mostly text, but images (and other convertible things) are embedded
	;; as xexpr specials in the port.
	(define (value->special-html-input-port v)
	(define-values (pin pout) (make-pipe-with-specials))
	(define (size-hook v d? out)
	(cond [(and (convertible? v) (convert v 'png-bytes)) 1]
	[else #f]))
	(define (print-hook v d? out)
	(define png-data (convert v 'png-bytes))
	(define img-src (format "data:image/png;base64,~a" (base64-encode png-data)))
	(define img-style
	"display: inline; vertical-align: baseline; padding: 0pt; margin: 0pt; border: 0pt")
	(write-special `(img ((style ,img-style) (src ,img-src))) out))
	(parameterize ((pretty-print-columns 'infinity)
	(pretty-print-size-hook size-hook)
	(pretty-print-print-hook print-hook))
	(pretty-print v pout))
	(close-output-port pout)
	pin)

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