MNT Move min_dependencies up a level (scikit-learn#18610)

Author: thomasjpfan

build_tools/shared.sh

@@ -11,6 +11,6 @@ get_dep() {
         # use latest
         echo "$package"
     elif [[ "$version" == "min" ]]; then
-        echo "$package==$(python sklearn/_build_utils/min_dependencies.py $package)"
+        echo "$package==$(python sklearn/_min_dependencies.py $package)"
     fi
 }

conftest.py

@@ -13,7 +13,7 @@
 
 from sklearn.utils import _IS_32BIT
 from sklearn.externals import _pilutil
-from sklearn._build_utils.min_dependencies import PYTEST_MIN_VERSION
+from sklearn._min_dependencies import PYTEST_MIN_VERSION
 from sklearn.utils.fixes import np_version, parse_version
 
 

doc/conf.py

@@ -396,7 +396,7 @@ def filter_search_index(app, exception):
 
 def generate_min_dependency_table(app):
     """Generate min dependency table for docs."""
-    from sklearn._build_utils.min_dependencies import dependent_packages
+    from sklearn._min_dependencies import dependent_packages
 
     # get length of header
     package_header_len = max(len(package)
@@ -440,7 +440,7 @@ def generate_min_dependency_table(app):
 
 def generate_min_dependency_substitutions(app):
     """Generate min dependency substitutions for docs."""
-    from sklearn._build_utils.min_dependencies import dependent_packages
+    from sklearn._min_dependencies import dependent_packages
 
     output = StringIO()
 

setup.py

@@ -50,7 +50,7 @@
 # We can actually import a restricted version of sklearn that
 # does not need the compiled code
 import sklearn
-import sklearn._build_utils.min_dependencies as min_deps  # noqa
+import sklearn._min_dependencies as min_deps  # noqa
 
 
 VERSION = sklearn.__version__

sklearn/_build_utils/__init__.py

@@ -13,7 +13,7 @@
 
 from .pre_build_helpers import basic_check_build
 from .openmp_helpers import check_openmp_support
-from .min_dependencies import CYTHON_MIN_VERSION
+from .._min_dependencies import CYTHON_MIN_VERSION
 
 
 DEFAULT_ROOT = 'sklearn'

sklearn/_build_utils/min_dependencies.py sklearn/_min_dependencies.py

@@ -7,14 +7,14 @@
 
 import pytest
 import sklearn
-from sklearn._build_utils.min_dependencies import dependent_packages
+from sklearn._min_dependencies import dependent_packages
 from sklearn.utils.fixes import parse_version
 
 
 def test_min_dependencies_readme():
     # Test that the minimum dependencies in the README.rst file are
     # consistent with the minimum dependencies defined at the file:
-    # sklearn/_build_utils/min_dependencies.py
+    # sklearn/_min_dependencies.py
 
     pattern = re.compile(r"(\.\. \|)" +
                          r"(([A-Za-z]+\-?)+)" +