forked from cadence/breezewiki
* Rewrite archiver.rkt to manage the stages order * Rewrite archiver-gui.rkt: * Remembers the previous incomplete queue items * Pretty graphics for icons and progress bars * Segmented progress bars to indicate different stages * Fix archiver-cli.rkt to use new stages * Switch to req -d, so it doesn't auto-install gui libs
69 lines
2.4 KiB
Racket
69 lines
2.4 KiB
Racket
#lang cli
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(require charterm
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"archiver.rkt")
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(help (usage "Downloads a single Fandom wiki in BreezeWiki offline format."
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""
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"Downloaded pages go into `archive/` next to the executable."
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"Database goes into `archiver.db*` next to the executable."
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"The database is necessary to store your download progress and resume where you left off if the process is interrupted."))
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(flag (output-quiet?)
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("-q" "--output-quiet" "disable progress output")
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(output-quiet? #t))
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(flag (output-progress?)
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("-p" "--output-progress" "progress output for terminals (default in a tty)")
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(output-progress? #t))
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(flag (output-lines?)
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("-l" "--output-lines" "output the name of each file downloaded (default outside of a tty)")
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(output-lines? #t))
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(constraint (one-of output-quiet? output-lines? output-progress?))
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(program
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(start [wikiname "wikiname to download"])
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;; set up arguments
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(define width 80)
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(when (not (or (output-quiet?) (output-lines?) (output-progress?)))
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(cond [(terminal-port? current-input-port)
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(output-progress? #t)]
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[else
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(output-lines? #t)]))
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(define (update-width)
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(when (output-progress?)
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(with-charterm
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(call-with-values (λ () (charterm-screen-size))
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(λ (cols rows) (set! width cols))))))
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(update-width)
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;; check
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(when (or (not wikiname) (equal? wikiname ""))
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(raise-user-error "Please specify the wikiname to download on the command line."))
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;; progress reporting based on selected mode
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(define (report-progress a b c)
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(define basename (basename->name-for-query c))
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(cond
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[(output-lines?)
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(displayln basename)]
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[(output-progress?)
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(when (eq? (modulo a 20) 0)
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(thread (λ () (update-width))))
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(define prefix (format "[~a] [~a/~a] " wikiname a b))
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(define rest (- width (string-length prefix)))
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(define real-width (min (string-length basename) rest))
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(define spare-width (- rest real-width))
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(define name-display (substring basename 0 real-width))
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(define whitespace (make-string spare-width #\ ))
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(printf "~a~a~a\r" prefix name-display whitespace)]))
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;; download all stages
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(for ([stage all-stages]
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[i (in-naturals 1)])
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(printf "> Stage ~a/~a~n" i (length all-stages))
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(stage wikiname report-progress)
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(displayln "")))
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(run start)
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