GNU bug report logs - #51072
[PATCH] gnu: Add Weka

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Foo Chuan Wei <chuanwei.foo <at> hotmail.com>
To: guix-patches <at> gnu.org
Subject: [PATCH] gnu: Add Weka
Date: Thu, 7 Oct 2021 08:42:10 +0000

* gnu/packages/machine-learning.scm (weka): New public variable.
---
 gnu/packages/machine-learning.scm | 40 +++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/gnu/packages/machine-learning.scm b/gnu/packages/machine-learning.scm
index 029422677a..98412894b0 100644
--- a/gnu/packages/machine-learning.scm
+++ b/gnu/packages/machine-learning.scm
@@ -40,6 +40,7 @@
   #:use-module (guix download)
   #:use-module (guix svn-download)
   #:use-module (guix build-system cmake)
+  #:use-module (guix build-system copy)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system ocaml)
   #:use-module (guix build-system python)
@@ -65,6 +66,7 @@
   #:use-module (gnu packages graphviz)
   #:use-module (gnu packages gstreamer)
   #:use-module (gnu packages image)
+  #:use-module (gnu packages java)
   #:use-module (gnu packages libffi)
   #:use-module (gnu packages linux)
   #:use-module (gnu packages llvm)
@@ -2934,3 +2936,41 @@ Note: currently this package does not provide GPU support.")
      "Hmmlearn is a set of algorithms for unsupervised learning and inference
 of Hidden Markov Models.")
     (license license:bsd-3)))
+
+(define-public weka
+  (package
+    (name "weka")
+    (version "3.9.5")
+    (source (origin
+              (method url-fetch)
+              (uri "mirror://sourceforge/weka/weka-3-9/3.9.5/weka-3-9-5.zip")
+              (sha256
+                (base32
+                  "0scnqk4zysdp9hv7w2rgz3pwkqirszj8pfv94drkhlnyc9cz9kf6"))))
+    (build-system copy-build-system)
+    (native-inputs `(("unzip" ,unzip)))
+    (inputs `(("jre" ,icedtea)))
+    (arguments '(#:install-plan '(("." "share/weka/"))
+                 #:phases
+                 (modify-phases %standard-phases
+                   (add-after 'install 'make-wrapper
+                     (lambda* (#:key inputs outputs #:allow-other-keys)
+                       (let* ((out (assoc-ref outputs "out"))
+                              (wrapper (string-append out "/bin/weka")))
+                         (mkdir-p (string-append out "/bin"))
+                         (with-output-to-file wrapper
+                         (lambda _
+                           (display
+                             (string-append
+                               "#!/bin/sh\n\n"
+                               (assoc-ref inputs "jre") "/bin/java -jar "
+                               out "/share/weka/weka.jar \"$@\"\n"))))
+                         (chmod wrapper #o555))
+                       #t)))))
+    (synopsis "Machine learning algorithms for data mining tasks")
+    (description
+      "Weka is a collection of machine learning algorithms in Java.
+It contains tools for data preparation, classification, regression,
+clustering, association rules mining, and visualization.")
+    (home-page "https://www.cs.waikato.ac.nz/ml/weka/")
+    (license license:gpl3+)))

base-commit: ce83883f3d8bf6e6d25091acd018a8236a5754e1
-- 
2.25.1

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