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scikit-learn 0.20.2+dfsg-6
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#!/usr/bin/make -f
# -*- mode: makefile; coding: utf-8 -*-

# See also: skimage

PY2VERS ?= $(shell pyversions -vr)
PY3VER  ?= $(shell py3versions -vd)
PY3VERS ?= $(shell py3versions -vr)

export DEB_BUILD_MAINT_OPTIONS := hardening=+all

export DEB_CFLAGS_MAINT_APPEND :=
export DEB_LDFLAGS_MAINT_APPEND := -Wl,--as-needed

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
  JOBS := $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
else
  JOBS := 1
endif
export JOBS := $(JOBS)

include /usr/share/dpkg/architecture.mk

PYBUILD_TEST_ARGS = -m "not network" -v

# Some tests are known to fail randomly so need to be excluded ATM
ifeq ($(DEB_HOST_ARCH),arm64)
  # A bit aggressive exclusion of some tests which exhibit a problem I have no time to deal with on arm64
  PYBUILD_TEST_ARGS += -k-test_dump
endif

export PYBUILD_TEST_PYTEST := 1
# python2 soon deprecated -- doctests unreliable
export PYBUILD_TEST_ARGS_python2 := $(PYBUILD_TEST_ARGS)
export PYBUILD_TEST_ARGS_python3 := $(PYBUILD_TEST_ARGS)
export JOBLIB_MULTIPROCESSING := $(shell expr $(JOBS) / $$(expr $(words $(PY2VERS)) + $(words $(PY3VERS))))

# try to prevent unsunctioned downloads
export http_proxy := http://127.0.0.1:9/
export https_proxy := http://127.0.0.1:9/

# things in the doc building and tests try to access stuff in HOME (https://bugs.debian.org/915078)
export HOME=$(CURDIR)/tmp

%:
	dh $@ --with python2,python3,sphinxdoc --buildsystem pybuild  --parallel

%-arch:
	dh $@ --with python2,python3 --buildsystem pybuild --parallel

clean:
	dh $@ --with python2,python3 --buildsystem pybuild --parallel

override_dh_clean:
	dh_clean
	rm -rf .pytest_cache build scikit_learn.egg-info tmp
	-mv PKG-INFO-BAK PKG-INFO
	rm -f debian/build-stamp-*
	for i in $$(find -name '*.pyx'); do \
		rm -f $${i%.*}.c $${i%.*}.cpp; \
	done
	for i in $$(find -name '*.pyx.in'); do \
		rm -f $${i%.*}; \
	done
ifneq (,$(filter python-sklearn-doc,$(shell dh_listpackages)))
	+$(MAKE) -C doc clean
endif

#debian/build-stamp-pyx:
override_dh_auto_configure:
	mkdir -p tmp
	-mv PKG-INFO PKG-INFO-BAK
	python$(PY3VER) setup.py config
# 	dh_auto_configure
	mv PKG-INFO-BAK PKG-INFO

# Ensure sample and test data are copied to .pybuild
define PYBUILD_AFTER_BUILD
  for d in tests/data data descr images; do
    rm -rf {build_dir}/sklearn/datasets/$$d;
    ln -s {dir}/sklearn/datasets/$$d {build_dir}/sklearn/datasets/$$d;
  done;
endef
export PYBUILD_AFTER_BUILD

# Only with the default Python 3, additionally use pybuild to run
# sphinx once the build is complete
ifeq (,$(filter nodoc,$(DEB_BUILD_OPTIONS)))
# FIXME: urllib.error.URLError -- have to ignore
define PYBUILD_AFTER_BUILD_python$(PY3VER)
  $(PYBUILD_AFTER_BUILD)
  PYTHONPATH={build_dir} \
  SPHINXBUILD="python$(PY3VER) -m sphinx -j $(JOBS) -D mathjax_path=MathJax.js" \
  SPHINXOPTS="-j $(JOBS) -D mathjax_path=MathJax.js" \
  $(MAKE) -C doc html || true;
  [ -d doc/_build/html ]
endef
export PYBUILD_AFTER_BUILD_python$(PY3VER)
endif

define PYBUILD_BEFORE_TEST
  (cd {build_dir} && python{version} -c 'import sklearn;  sklearn.show_versions()')
endef
export PYBUILD_BEFORE_TEST

export PYBUILD_AFTER_INSTALL = rm -f {destdir}/{install_dir}/_configtest*

override_dh_auto_build-arch:
	# Don't try to build docs in the arch build, so unset that hook
	env -u PYBUILD_AFTER_BUILD_python$(PY3VER) \
		dh_auto_build

override_dh_auto_test-indep:

override_dh_auto_install:
	dh_auto_install
	# cleanup python3 cache (mixing python3 subversions)
	-find debian/tmp -name "__pycache__" -exec rm -r {} +

override_dh_installdocs-arch:
	dh_installdocs -A README*.rst

override_dh_installdocs-indep:
	dh_installdocs -A README*.rst
ifneq (,$(filter python-sklearn-doc,$(shell dh_listpackages)))
    docdir=debian/python-sklearn-doc/usr/share/doc/python-sklearn-doc; \
	if [ -e $$docdir/stable ] ; then \
	mv \
		$$docdir/stable $$docdir/html; \
    fi
endif

override_dh_installchangelogs:
	dh_installchangelogs doc/whats_new.rst

# remove .so libraries from main package, and call dh_numpy*
_dh_python%:
	-find debian/python$(*:2=)-sklearn/usr/lib -name "*.so" -delete;

	dh_numpy$(*:2=) -ppython$(*:2=)-sklearn-lib
	dh_python$*

override_dh_python2: _dh_python2
override_dh_python3: _dh_python3

## immediately useable documentation and exemplar scripts/data
override_dh_compress:
	dh_compress -X.py -X.html -X.pdf -X.css -X.jpg -X.txt -X.js -X.json -X.rtc

override_dh_sphinxdoc-indep:
	@# no need to filter out this call, if sphinxdoc is not used it won't be called.
	dh_sphinxdoc -XMathJax.js -Xjquery.js


## to prepare next Debian upstream source tarball
dfsg: dfsg-releases
dfsg-%:
	git checkout dfsg
	-git merge --no-commit $*
	-git rm -rf sklearn/externals/joblib
	: # -git rm -f ./sklearn/svm/src/libsvm/svm.*
	git commit -m "Merge $* into DFSG (pruning externals: joblib)" -a
	git checkout debian