MAINT stricter dependency checks on import and install

Author: mfeurer

autosklearn/__init__.py

@@ -1,4 +1,7 @@
 # -*- encoding: utf-8 -*-
+import os
+import sys
+
 from autosklearn.util import dependencies
 from autosklearn.__version__ import __version__
 
@@ -13,3 +16,17 @@
 '''
 
 dependencies.verify_packages(__MANDATORY_PACKAGES__)
+
+if os.name != 'posix':
+    raise ValueError(
+        'Detected unsupported operating system: %s. Please check '
+        'the compability information of auto-sklearn: http://automl.github.io'
+        '/auto-sklearn/stable/installation.html#windows-osx-compability' %
+        sys.platform
+    )
+
+if sys.version_info < (3, 5):
+    raise ValueError(
+        'Unsupported python version %s found. Auto-sklearn requires Python '
+        '3.5 or higher.' % sys.version_info
+    )

setup.py

@@ -6,6 +6,8 @@
 import os
 import sys
 
+
+# Check if Auto-sklearn *could* run on the given system
 if os.name != 'posix':
     raise ValueError(
         'Detected unsupported operating system: %s. Please check '
@@ -14,6 +16,13 @@
         sys.platform
     )
 
+if sys.version_info < (3, 5):
+    raise ValueError(
+        'Unsupported python version %s found. Auto-sklearn requires Python '
+        '3.5 or higher.' % sys.version_info
+    )
+
+
 extensions = cythonize(
     [Extension('autosklearn.data.competition_c_functions',
                sources=['autosklearn/data/competition_c_functions.pyx'],

test/test_automl/test_automl.py

@@ -53,7 +53,7 @@ def test_refit_shuffle_on_fail(self):
         auto = AutoML(backend, 20, 5)
         ensemble_mock = unittest.mock.Mock()
         auto.ensemble_ = ensemble_mock
-        ensemble_mock.get_model_identifiers.return_value = [1]
+        ensemble_mock.get_selected_model_identifiers.return_value = [1]
 
         auto.models_ = {1: failing_model}