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import: Replace texlive importer.

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* guix/import/texlive.scm (fetch-sxml, sxml->package): Remove procedures.
(tlpdb-file, tlpdb, files->directories, tlpdb->package): New procedures.
(string->license): Add case for lpplgpl license combination.
(guix-name): Remove COMPONENT argument.
(texlive->guix-package): Use new procedures.
(texlive-recursive-import): New procedure.
* guix/scripts/import/texlive.scm (show-help, %options): Remove --archive
option.
(guix-import-texlive): Adjust call of texlive->guix-package.
* doc/guix.texi (Invoking guix import): Update documentation.
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Ricardo Wurmus 2021-11-15 16:38:05 +00:00
parent 3e5749fc33
commit 3b1a12c5bf
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3 changed files with 170 additions and 129 deletions
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29
doc/guix.texi
View file

@ -30,7 +30,7 @@ Copyright @copyright{} 2015, 2016 Mathieu Lirzin@*
Copyright @copyright{} 2014 Pierre-Antoine Rault@*
Copyright @copyright{} 2015 Taylan Ulrich Bayırlı/Kammer@*
Copyright @copyright{} 2015, 2016, 2017, 2019, 2020, 2021 Leo Famulari@*
Copyright @copyright{} 2015, 2016, 2017, 2018, 2019, 2020 Ricardo Wurmus@*
Copyright @copyright{} 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ricardo Wurmus@*
Copyright @copyright{} 2016 Ben Woodcroft@*
Copyright @copyright{} 2016, 2017, 2018, 2021 Chris Marusich@*
Copyright @copyright{} 2016, 2017, 2018, 2019, 2020, 2021 Efraim Flashner@*
@ -11875,14 +11875,14 @@ guix import cran --archive=git https://github.com/immunogenomics/harmony
@item texlive
@cindex TeX Live
@cindex CTAN
Import metadata from @uref{https://www.ctan.org/, CTAN}, the
comprehensive TeX archive network for TeX packages that are part of the
@uref{https://www.tug.org/texlive/, TeX Live distribution}.
Import TeX package information from the TeX Live package database for
TeX packages that are part of the @uref{https://www.tug.org/texlive/,
TeX Live distribution}.
Information about the package is obtained through the XML API provided
by CTAN, while the source code is downloaded from the SVN repository of
the Tex Live project. This is done because the CTAN does not keep
versioned archives.
Information about the package is obtained from the TeX Live package
database, a plain text file that is included in the @code{texlive-bin}
package. The source code is downloaded from possibly multiple locations
in the SVN repository of the Tex Live project.
The command command below imports metadata for the @code{fontspec}
TeX package:
@ -11891,19 +11891,6 @@ TeX package:
guix import texlive fontspec
@end example
When @option{--archive=@var{directory}} is added, the source code is
downloaded not from the @file{latex} sub-directory of the
@file{texmf-dist/source} tree in the TeX Live SVN repository, but from
the specified sibling @var{directory} under the same root.
The command below imports metadata for the @code{ifxetex} package from
CTAN while fetching the sources from the directory
@file{texmf/source/generic}:
@example
guix import texlive --archive=generic ifxetex
@end example
@item json
@cindex JSON, import
Import package metadata from a local JSON file. Consider the following

254
guix/import/texlive.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2017, 2021 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;;
;;; This file is part of GNU Guix.
@ -19,18 +19,16 @@
(define-module (guix import texlive)
#:use-module (ice-9 match)
#:use-module (sxml simple)
#:use-module (sxml xpath)
#:use-module (srfi srfi-11)
#:use-module (ice-9 rdelim)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-2)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
#:use-module (web uri)
#:use-module (guix diagnostics)
#:use-module (guix i18n)
#:use-module (guix http-client)
#:use-module (gcrypt hash)
#:use-module (guix derivations)
#:use-module (guix memoization)
#:use-module (guix monads)
#:use-module (guix gexp)
#:use-module (guix store)
#:use-module (guix base32)
#:use-module (guix serialization)
@ -39,24 +37,16 @@ (define-module (guix import texlive)
#:use-module (guix utils)
#:use-module (guix upstream)
#:use-module (guix packages)
#:use-module (gnu packages)
#:use-module (guix build-system texlive)
#:use-module (gnu packages tex)
#:export (texlive->guix-package
fetch-sxml
sxml->package))
texlive-recursive-import))
;;; Commentary:
;;;
;;; Generate a package declaration template for the latest version of a
;;; package on CTAN, using the XML output produced by the XML API to the CTAN
;;; database at http://www.ctan.org/xml/1.2/
;;;
;;; Instead of taking the packages from CTAN, however, we fetch the sources
;;; from the SVN repository of the Texlive project. We do this because CTAN
;;; only keeps a single version of each package whereas we can access any
;;; version via SVN. Unfortunately, this means that the importer is really
;;; just a Texlive importer, not a generic CTAN importer.
;;; Generate a package declaration template for corresponding package in the
;;; Tex Live Package Database (tlpdb). We fetch all sources from different
;;; locations in the SVN repository of the Texlive project.
;;;
;;; Code:
@ -79,6 +69,8 @@ (define string->license
("bsd4" 'bsd-4)
("opl" 'opl1.0+)
("ofl" 'silofl1.1)
("lpplgpl" `(list lppl gpl1+))
("lppl" 'lppl)
("lppl1" 'lppl1.0+) ; usually means "or later"
("lppl1.2" 'lppl1.2+) ; usually means "or later"
@ -107,91 +99,161 @@ (define string->license
("cc-by-nc-nd-4" 'non-free)
((x) (string->license x))
((lst ...) `(list ,@(map string->license lst)))
(_ #f)))
(x `(error unknown-license ,x))))
(define (fetch-sxml name)
"Return an sxml representation of the package information contained in the
XML description of the CTAN package or #f in case of failure."
;; This API always returns the latest release of the module.
(let ((url (string-append "http://www.ctan.org/xml/1.2/pkg/" name)))
(guard (c ((http-get-error? c)
(format (current-error-port)
"error: failed to retrieve package information \
from ~s: ~a (~s)~%"
(uri->string (http-get-error-uri c))
(http-get-error-code c)
(http-get-error-reason c))
#f))
(xml->sxml (http-fetch url)
#:trim-whitespace? #t))))
(define (guix-name component name)
(define (guix-name name)
"Return a Guix package name for a given Texlive package NAME."
(string-append "texlive-" component "-"
(string-append "texlive-"
(string-map (match-lambda
(#\_ #\-)
(#\. #\-)
(chr (char-downcase chr)))
name)))
(define* (sxml->package sxml #:optional (component "latex"))
"Return the `package' s-expression for a Texlive package from the SXML
expression describing it."
(define (sxml-value path)
(match ((sxpath path) sxml)
(() #f)
((val) val)))
(define (tlpdb-file)
(with-store store
(let* ((id (sxml-value '(entry @ id *text*)))
(synopsis (sxml-value '(entry caption *text*)))
(version (or (sxml-value '(entry version @ number *text*))
(sxml-value '(entry version @ date *text*))))
(license (match ((sxpath '(entry license @ type *text*)) sxml)
((license) (string->license license))
((lst ...) (map string->license lst))))
(home-page (string-append "http://www.ctan.org/pkg/" id))
(ref (texlive-ref component id))
(checkout (download-svn-to-store store ref)))
(unless checkout
(warning (G_ "Could not determine source location. \
Please manually specify the source field.~%")))
`(package
(name ,(guix-name component id))
(version ,version)
(source ,(if checkout
`(origin
(method svn-fetch)
(uri (texlive-ref ,component ,id))
(sha256
(base32
,(bytevector->nix-base32-string
(let-values (((port get-hash) (open-sha256-port)))
(write-file checkout port)
(force-output port)
(get-hash))))))
#f))
(build-system texlive-build-system)
(arguments ,`(,'quote (#:tex-directory ,(string-join (list component id) "/"))))
(home-page ,home-page)
(synopsis ,synopsis)
(description ,(string-trim-both
(string-join
(map string-trim-both
(string-split
(beautify-description
(sxml->string (or (sxml-value '(entry description))
'())))
#\newline)))))
(license ,(match license
((lst ...) `(list ,@lst))
(license license)))))))
(run-with-store store
(mlet* %store-monad
((drv (lower-object texlive-bin))
(built (built-derivations (list drv))))
(match (derivation->output-paths drv)
(((names . items) ...)
(return (string-append (first items)
"/share/tlpkg/texlive.tlpdb"))))))))
(define tlpdb
(memoize
(lambda ()
(let ((file (tlpdb-file))
(fields
'((name . string)
(shortdesc . string)
(longdesc . string)
(catalogue-license . string)
(catalogue-ctan . string)
(srcfiles . list)
(runfiles . list)
(docfiles . list)
(depend . simple-list)))
(record
(lambda* (key value alist #:optional (type 'string))
(let ((new
(or (and=> (assoc-ref alist key)
(lambda (existing)
(cond
((eq? type 'string)
(string-append existing " " value))
((or (eq? type 'list) (eq? type 'simple-list))
(cons value existing)))))
(cond
((eq? type 'string)
value)
((or (eq? type 'list) (eq? type 'simple-list))
(list value))))))
(acons key new (alist-delete key alist))))))
(call-with-input-file file
(lambda (port)
(let loop ((all (list))
(current (list))
(last-property #false))
(let ((line (read-line port)))
(cond
((eof-object? line) all)
;; End of record.
((string-null? line)
(loop (cons (cons (assoc-ref current 'name) current)
all)
(list) #false))
;; Continuation of a list
((and (zero? (string-index line #\space)) last-property)
;; Erase optional second part of list values like
;; "details=Readme" for files
(let ((plain-value (first
(string-split
(string-trim-both line) #\space))))
(loop all (record last-property
plain-value
current
'list)
last-property)))
(else
(or (and-let* ((space (string-index line #\space))
(key (string->symbol (string-take line space)))
(value (string-drop line (1+ space)))
(field-type (assoc-ref fields key)))
;; Erase second part of list keys like "size=29"
(cond
((eq? field-type 'list)
(loop all current key))
(else
(loop all (record key value current field-type) key))))
(loop all current #false))))))))))))
(define (files->directories files)
(pk 'f->d
(map (cut string-join <> "/" 'suffix)
(delete-duplicates (map (lambda (file)
(drop-right (string-split file #\/) 1))
files)
equal?))))
(define (tlpdb->package name)
(and-let* ((data (assoc-ref (tlpdb) name))
(dirs (files->directories
(map (lambda (dir)
(string-drop dir (string-length "texmf-dist/")))
(append (or (assoc-ref data 'docfiles) (list))
(or (assoc-ref data 'runfiles) (list))
(or (assoc-ref data 'srcfiles) (list))))))
(name (guix-name name))
(version (number->string %texlive-revision))
(ref (svn-multi-reference
(url (string-append "svn://www.tug.org/texlive/tags/"
%texlive-tag "/Master/texmf-dist"))
(locations dirs)
(revision %texlive-revision)))
(source (with-store store
(download-multi-svn-to-store
store ref (string-append name "-svn-multi-checkout")))))
(values
`(package
(inherit (simple-texlive-package
,name
(list ,@dirs)
(base32
,(bytevector->nix-base32-string
(let-values (((port get-hash) (open-sha256-port)))
(write-file source port)
(force-output port)
(get-hash))))
,@(if (assoc-ref data 'srcfiles) '() '(#:trivial? #true))))
,@(or (and=> (assoc-ref data 'depend)
(lambda (inputs)
`((propagated-inputs ,inputs))))
'())
,@(or (and=> (assoc-ref data 'catalogue-ctan)
(lambda (url)
`((home-page ,(string-append "https://ctan.org" url)))))
'((home-page "https://www.tug.org/texlive/")))
(synopsis ,(assoc-ref data 'shortdesc))
(description ,(beautify-description
(assoc-ref data 'longdesc)))
(license ,(string->license
(assoc-ref data 'catalogue-license))))
(or (assoc-ref data 'depend) (list)))))
(define texlive->guix-package
(memoize
(lambda* (package-name #:optional (component "latex"))
"Fetch the metadata for PACKAGE-NAME from REPO and return the `package'
(lambda* (name #:key repo version)
"Find the metadata for NAME in the tlpdb and return the `package'
s-expression corresponding to that package, or #f on failure."
(and=> (fetch-sxml package-name)
(cut sxml->package <> component)))))
(tlpdb->package name))))
;;; ctan.scm ends here
(define (texlive-recursive-import name)
(recursive-import name
#:repo->guix-package texlive->guix-package
#:guix-name guix-name))
;;; texlive.scm ends here

16
guix/scripts/import/texlive.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2017, 2021 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
;;;
;;; This file is part of GNU Guix.
@ -42,8 +42,6 @@ (define %default-options
(define (show-help)
(display (G_ "Usage: guix import texlive PACKAGE-NAME
Import and convert the Texlive package for PACKAGE-NAME.\n"))
(display (G_ "
-a, --archive=ARCHIVE specify the archive repository"))
(display (G_ "
-h, --help display this help and exit"))
(display (G_ "
@ -60,10 +58,6 @@ (define %options
(option '(#\V "version") #f #f
(lambda args
(show-version-and-exit "guix import texlive")))
(option '(#\a "archive") #t #f
(lambda (opt name arg result)
(alist-cons 'component arg
(alist-delete 'component result))))
%standard-import-options))
@ -84,13 +78,11 @@ (define (parse-options)
(_ #f))
(reverse opts))))
(match args
((package-name)
(let ((sexp (texlive->guix-package package-name
(or (assoc-ref opts 'component)
"latex"))))
((name)
(let ((sexp (texlive->guix-package name)))
(unless sexp
(leave (G_ "failed to download description for package '~a'~%")
package-name))
name))
sexp))
(()
(leave (G_ "too few arguments~%")))