GNU bug report logs - #67804
[PATCH] gnu: Add unpaper.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Felix Gruber <felgru <at> posteo.net>
Subject: bug#67804: closed (Re: [bug#67804] [PATCH] gnu: Add unpaper.)
Date: Sat, 23 Dec 2023 10:16:02 +0000

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Your bug report

#67804: [PATCH] gnu: Add unpaper.

which was filed against the guix-patches package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 67804 <at> debbugs.gnu.org.

-- 
67804: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=67804
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Felix Gruber <felgru <at> posteo.net>
Cc: 67804-done <at> debbugs.gnu.org
Subject: Re: [bug#67804] [PATCH] gnu: Add unpaper.
Date: Sat, 23 Dec 2023 11:15:22 +0100

Felix Gruber <felgru <at> posteo.net> skribis:

> * gnu/packages/pdf.scm (unpaper): New variable.
>
> Change-Id: Ic71c5b62dabdd18e617e499417afb1c9e112520b

Applied, thanks!

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From: Felix Gruber <felgru <at> posteo.net>
To: guix-patches <at> gnu.org
Cc: Felix Gruber <felgru <at> posteo.net>
Subject: [PATCH] gnu: Add unpaper.
Date: Tue, 12 Dec 2023 20:38:37 +0000

* gnu/packages/pdf.scm (unpaper): New variable.

Change-Id: Ic71c5b62dabdd18e617e499417afb1c9e112520b
---
 gnu/packages/pdf.scm | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gnu/packages/pdf.scm b/gnu/packages/pdf.scm
index 874076effb..644a4617a6 100644
--- a/gnu/packages/pdf.scm
+++ b/gnu/packages/pdf.scm
@@ -24,6 +24,7 @@
 ;;; Copyright © 2021 Maxime Devos <maximedevos <at> telenet.be>
 ;;; Copyright © 2022 Paul A. Patience <paul <at> apatience.com>
 ;;; Copyright © 2022 Petr Hodina <phodina <at> protonmail.com>
+;;; Copyright © 2023 Felix Gruber <felgru <at> posteo.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -107,6 +108,7 @@ (define-module (gnu packages pdf)
   #:use-module (gnu packages time)
   #:use-module (gnu packages tcl)
   #:use-module (gnu packages tls)
+  #:use-module (gnu packages video)
   #:use-module (gnu packages web)
   #:use-module (gnu packages webkit)
   #:use-module (gnu packages xdisorg)
@@ -976,6 +978,34 @@ (define-public qpdfview
 SyncTeX support, and rudimentary support for annotations and forms.")
     (license license:gpl2+)))
 
+(define-public unpaper
+  (package
+    (name "unpaper")
+    (version "7.0.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (string-append "https://www.flameeyes.com/files/unpaper-"
+                            version ".tar.xz"))
+        (sha256
+         (base32 "103awjdl2qrzi0qc32hi8zvwf04r5ih5jaw8rg8ij9y24szznx95"))))
+    (native-inputs
+     (list pkg-config python-sphinx))
+    (inputs
+     (list discount ffmpeg))
+    (build-system meson-build-system)
+    (home-page "https://www.flameeyes.com/projects/unpaper")
+    (synopsis "post-processing tool for scanned pages")
+    (description "@command{unpaper} is a post-processing tool for
+scanned sheets of paper, especially for book pages that have been
+scanned from previously created photocopies.
+
+Its main purpose is to make scanned book pages better readable on screen
+after conversion to PDF.  Additionally, unpaper might be useful to
+enhance the quality of scanned pages before performing
+@acronym{OCR, optical character recognition}.")
+    (license license:gpl2)))
+
 (define-public xournal
   (package
     (name "xournal")

base-commit: 58bbb38c5bd2e42aab9e9408d8c9d8da3409f178
-- 
2.43.0

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