scikit-learn · jnothman · Oct 2, 2019 · jnothman · Oct 2, 2019 · thomasjpfan
diff --git a/sklearn/setup.py b/sklearn/setup.py
+
+
+# Adds files that will be deprecated
+def _adds_deprecated_submodules():
-def _adds_deprecated_submodules():
+def _add_deprecated_submodules():
 import os

 from sklearn._build_utils import maybe_cythonize_extensions


+_DEPRECATED_MODULES = {
diff --git a/sklearn/_build_utils/deprecated_modules.py b/sklearn/_build_utils/deprecated_modules.py
+
+
+_DEPRECATED_MODULES = {
+    # TODO: Remove in 0.24
+"""
+
+
+def _add_deprecated_submodules():
-def _add_deprecated_submodules():
+def _create_deprecated_modules_files():
+    ('_mocking', 'sklearn.utils.mocking', 'sklearn.utils')
+}
+
+_DEPRECATE_TEMPLATE = """from .{module} import *  # noqa
-_DEPRECATE_TEMPLATE = """from .{module} import *  # noqa
+_FILE_CONTENT_TEMPLATE = """from .{module} import *  # noqa
+
+
+_DEPRECATED_MODULES = {
+    # TODO: Remove in 0.24
+from pathlib import Path
+
+# This is a set of 3-tuples consisting of
+# (new_module_path, deprecated_path, correct_path)
-# (new_module_path, deprecated_path, correct_path)
+# (new_module_name, deprecated_path, correct_import_path)
+        deprecated_parts = deprecated_path.split(".")
+        deprecated_parts[-1] = deprecated_parts[-1] + ".py"
+
+        with Path(*deprecated_parts).open('w') as f:


		# Adds files that will be deprecated
		def _adds_deprecated_submodules():