[PATCH] gnu: Add Weka

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2 participants
  • Foo Chuan Wei
  • Maxime Devos
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unassigned
Submitted by
Foo Chuan Wei
Severity
normal
F
F
Foo Chuan Wei wrote on 7 Oct 2021 10:42
(address . guix-patches@gnu.org)
PU1PR01MB2155201726E55A5FC0EE82DF8DB19@PU1PR01MB2155.apcprd01.prod.exchangelabs.com
* gnu/packages/machine-learning.scm (weka): New public variable.
---
gnu/packages/machine-learning.scm | 40 +++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)

Toggle diff (66 lines)
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
M
M
Maxime Devos wrote on 30 Oct 2022 16:34
c5443a52-60f1-f05f-7a76-eb5e54d95fa0@telenet.be
Toggle quote (1 lines)
>+ (uri
"mirror://sourceforge/weka/weka-3-9/3.9.5/weka-3-9-5.zip")
These isn't source code, these are binaries (*). With the exception of
the bootstrap seeds, things in Guix must be built from source (and even
then, we still can build them from source, with "guix build
bootstrap-tarballs").
Looking at the git repository, it appears to use Ant, and we have an
ant-build-system, so unless there are complicated dependencies, it
should be feasible.
>+ (native-inputs `(("unzip" ,unzip)))
>+ (inputs `(("jre" ,icedtea)))
Nowadays you can avoid input labels with (native-inputs (list unzip))
and (inputs (list icedtea)).
>+ (display
>+ (string-append
>+ "#!/bin/sh\n\n"
>+ (assoc-ref inputs "jre") "/bin/java -jar "
>+ out "/share/weka/weka.jar \"$@\"\n"))))
>+ (chmod wrapper #o555))
Do (search-input-file inputs "bin/java") to avoid depending on input
labels. Also, you are using /bin/sh (which IIUC will be patched to
/gnu/store/.../bin/sh), but for such patching to work, you need to have
bash-minimal (or bash) in the inputs -- while bash-minimal is an
implicit (native-)input of many build systems, it isn't a regular
implicit input, at least for copy-build-system, so this wouldn't work
when cross-compiling, so I propose to add bash-minimal to the inputs.
> + #t)))))
Trailing #t are obsolete nowadays.
(*) At least, I expect them to be; the download is in-progress.
Greetings,
Maxime.
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