@@ -1992,6 +1992,66 @@ tree boosting (also known as GBDT, GBM) that solve many data science problems
in a fast and accurate way.")
(license license:asl2.0)))
+(define-public python-xgboost
+ (package
+ (inherit xgboost)
+ (name "python-xgboost")
+ (build-system python-build-system)
+ (arguments
+ `(#:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'preparations
+ (lambda* (#:key inputs #:allow-other-keys)
+ ;; Move python-package content to parent directory to silence
+ ;; some warnings about files not being found if we chdir.
+ (rename-file "python-package/xgboost" "xgboost")
+ (rename-file "python-package/README.rst" "README.rst")
+ (rename-file "python-package/setup.cfg" "setup.cfg")
+ (rename-file "python-package/setup.py" "setup.py")
+
+ (with-directory-excursion "xgboost"
+ ;; Version is read from a VERSION file, but that file is not
+ ;; part of the installation.
+ (substitute* "__init__.py"
+ (("__version__ = ''")
+ (string-append "__version__ = " "'"
+ ,(package-version xgboost) "'")))
+ ;; The Python wrapper expects libxgboost to be found in the
+ ;; same source from where the wrapper builds. This workaround
+ ;; allows libxgboost to be used from the xgboost package.
+ (substitute* "libpath.py"
+ (("XGBOOST_PATH = ''")
+ (string-append "XGBOOST_PATH = "
+ "'" (assoc-ref inputs "xgboost") "'"))))
+ #t))
+ (replace 'check
+ ;; Python-specific tests are located in tests/python.
+ (lambda* (#:key inputs outputs #:allow-other-keys)
+ (add-installed-pythonpath inputs outputs)
+ (invoke "pytest" "tests/python"
+ ;; FIXME: CLI tests fail with PermissionError.
+ "--ignore" "tests/python/test_cli.py" "-k"
+ (string-append
+ "not test_cli_regression_demo"
+ ;; The tests below open a network connection.
+ " and not test_model_compatibility"
+ " and not test_get_group"
+ " and not test_cv_no_shuffle"
+ " and not test_cv"
+ " and not test_training"
+ ;; "'['./runexp.sh']' returned non-zero exit status 1."
+ " and not test_cli_binary_classification")))))))
+ (native-inputs
+ `(("python-pandas" ,python-pandas)
+ ("python-pytest" ,python-pytest)
+ ("python-scikit-learn" ,python-scikit-learn)))
+ (inputs
+ `(("xgboost" ,xgboost)))
+ (propagated-inputs
+ `(("python-numpy" ,python-numpy)
+ ("python-scipy" ,python-scipy)))
+ (synopsis "Python interface for the XGBoost library")))
+
(define-public python-iml
(package
(name "python-iml")