Merge pull request #226 from rth/scikit-learn

Package scikit-learn

packages/scikit-learn/meta.yaml

+package:
+  name: scikit-learn
+  version: 0.20.1
+
+source:
+  url: https://github.com/scikit-learn/scikit-learn/archive/0.20.1.tar.gz
+  sha256: 618feea121c59a52ea459d6af7bc179344ca345775b04bd60e96740e9df75960
+
+  patches:
+   - patches/use-site-joblib.patch
+
+build:
+  cflags: -Wno-implicit-function-declaration
+
+requirements:
+  run:
+    - numpy
+    - scipy
+    - joblib
+
+test:
+  imports:
+    - sklearn
+    - sklearn.calibration
+    - sklearn.cluster
+    - sklearn.compose
+    - sklearn.covariance
+    - sklearn.cross_decomposition
+    - sklearn.datasets
+    - sklearn.decomposition
+    - sklearn.discriminant_analysis
+    - sklearn.dummy
+    - sklearn.ensemble
+    - sklearn.exceptions
+    - sklearn.externals
+    - sklearn.feature_extraction
+    - sklearn.feature_selection
+    - sklearn.gaussian_process
+    - sklearn.impute
+    - sklearn.isotonic
+    - sklearn.kernel_approximation
+    - sklearn.kernel_ridge
+    - sklearn.linear_model
+    - sklearn.manifold
+    - sklearn.metrics
+    - sklearn.mixture
+    - sklearn.model_selection
+    - sklearn.multiclass
+    - sklearn.multioutput
+    - sklearn.naive_bayes
+    - sklearn.neighbors
+    - sklearn.neural_network
+    - sklearn.pipeline
+    - sklearn.preprocessing
+    - sklearn.random_projection
+    - sklearn.semi_supervised
+    - sklearn.svm
+    - sklearn.tree
+    - sklearn.utils

packages/scikit-learn/patches/use-site-joblib.patch

+commit 55cfffe8243d7d85dc6f8d14f045cee8a4e8b0ae
+Author: Roman Yurchak <rth.yurchak@pm.me>
+Date:   Mon Dec 3 22:09:46 2018 +0100
+
+    Use site joblib
+
+diff --git a/sklearn/utils/_joblib.py b/sklearn/utils/_joblib.py
+index c3df15e91..b9f218ef1 100644
+--- a/sklearn/utils/_joblib.py
++++ b/sklearn/utils/_joblib.py
+@@ -5,7 +5,7 @@ import os as _os
+ import warnings as _warnings
+ 
+ # An environment variable to use the site joblib
+-if _os.environ.get('SKLEARN_SITE_JOBLIB', False):
++if True:
+     with _warnings.catch_warnings():
+         _warnings.simplefilter("ignore")
+         # joblib imports may raise DeprecationWarning on certain Python

test/packages/test_scikit-learn.py

+import pytest
+
+
+def test_scikit_learn(selenium_standalone, request):
+    selenium = selenium_standalone
+    if selenium.browser == 'chrome':
+        request.applymarker(pytest.mark.xfail(
+            run=False, reason='chrome not supported'))
+    selenium.load_package("scikit-learn")
+    assert selenium.run("""
+        import numpy as np
+        import sklearn
+        from sklearn.linear_model import LogisticRegression
+
+        rng = np.random.RandomState(42)
+        X = rng.rand(100, 20)
+        y = rng.randint(5, size=100)
+
+        estimator = LogisticRegression(solver='liblinear')
+        estimator.fit(X, y)
+        print(estimator.predict(X))
+        estimator.score(X, y)
+        """) > 0

test/test_common.py

@@ -23,7 +23,7 @@ def registered_packages_meta():
             for name in packages}
 
 
-UNSUPPORTED_PACKAGES = {'chrome': ['pandas', 'scipy'],
+UNSUPPORTED_PACKAGES = {'chrome': ['pandas', 'scipy', 'scikit-learn'],
                         'firefox': []}