Package joblib

packages/joblib/meta.yaml

@@ -0,0 +1,15 @@
+package:
+  name: joblib
+  version: "0.11"
+
+source:
+  url: https://pypi.io/packages/source/j/joblib/joblib-0.11.tar.gz
+  sha256: 7b8fd56df36d9731a83729395ccb85a3b401f62a96255deb1a77220c00ed4085
+
+  patches:
+    - patches/use-setuptools.patch
+    - patches/ctypes-import.patch
+
+test:
+  imports:
+    - joblib

packages/joblib/patches/ctypes-import.patch

@@ -0,0 +1,21 @@
+diff --git a/joblib/backports.py b/joblib/backports.py
+index 7dd3df1..a49ef78 100644
+--- a/joblib/backports.py
++++ b/joblib/backports.py
+@@ -3,7 +3,6 @@ Backports of fixes for joblib dependencies
+ """
+ import os
+ import time
+-import ctypes
+ import sys
+ 
+ from distutils.version import LooseVersion
+@@ -34,6 +33,8 @@ except ImportError:
+ 
+ if os.name == 'nt':
+     error_access_denied = 5
++    import ctypes
++
+     try:
+         from os import replace
+     except ImportError:

packages/joblib/patches/use-setuptools.patch

@@ -0,0 +1,12 @@
+diff --git a/setup.py b/setup.py
+index 134db18..f705b28 100755
+--- a/setup.py
++++ b/setup.py
+@@ -1,6 +1,6 @@
+ #!/usr/bin/env python
+ 
+-from distutils.core import setup
++from setuptools import setup
+ import sys
+ 
+ import joblib

test/test_joblib.py

@@ -0,0 +1,35 @@
+def test_joblib_numpy_pickle(selenium):
+    selenium.load_package(['numpy', 'joblib'])
+    selenium.run("""
+       import joblib
+       import numpy as np
+       from numpy.testing import assert_array_equal
+
+       X = np.ones(10)
+
+       file_path = "./X.pkl"
+
+       joblib.dump(X, file_path)
+
+       X2 = joblib.load(file_path)
+
+       assert_array_equal(X, X2)""")
+
+
+def test_joblib_parallel(selenium):
+    selenium.load_package(['numpy', 'joblib'])
+    selenium.clean_logs()
+    selenium.run("""
+       from math import sqrt
+       from joblib import Parallel, delayed
+
+       # check that the default multiprocessing backend
+       # gracefully reduces to n_jobs=1
+       res = Parallel(n_jobs=2)(delayed(sqrt)(i ** 2)
+                                for i in range(10))
+       assert res == [sqrt(i ** 2) for i in range(10)]
+
+       # check threading backend
+       Parallel(n_jobs=2, backend='threading')(
+            delayed(sqrt)(i ** 2) for i in range(10))
+       """)