Fix pip tests for contrib/gan.

- Add *_impl.py so tests can still access removed symbols.
- Add /python directory layer to make *_impy.py and __init__.py not in the same dir.

PiperOrigin-RevId: 168161722

tensorflow/contrib/cmake/tf_python.cmake

@@ -363,7 +363,9 @@ add_python_module("tensorflow/contrib/framework/python/ops")
 add_python_module("tensorflow/contrib/gan")
 add_python_module("tensorflow/contrib/gan/python")
 add_python_module("tensorflow/contrib/gan/python/features")
+add_python_module("tensorflow/contrib/gan/python/features/python")
 add_python_module("tensorflow/contrib/gan/python/losses")
+add_python_module("tensorflow/contrib/gan/python/losses/python")
 add_python_module("tensorflow/contrib/graph_editor")
 add_python_module("tensorflow/contrib/graph_editor/examples")
 add_python_module("tensorflow/contrib/graph_editor/tests")

tensorflow/contrib/gan/BUILD

@@ -44,7 +44,7 @@ py_library(
 
 py_library(
     name = "losses_impl",
-    srcs = ["python/losses/losses_impl.py"],
+    srcs = ["python/losses/python/losses_impl.py"],
     srcs_version = "PY2AND3",
     deps = [
         "//tensorflow/contrib/framework:framework_py",
@@ -65,7 +65,7 @@ py_library(
 
 py_test(
     name = "losses_impl_test",
-    srcs = ["python/losses/losses_impl_test.py"],
+    srcs = ["python/losses/python/losses_impl_test.py"],
     srcs_version = "PY2AND3",
     deps = [
         ":losses_impl",
@@ -88,8 +88,9 @@ py_test(
 py_library(
     name = "tuple_losses",
     srcs = [
-        "python/losses/losses_wargs.py",
-        "python/losses/tuple_losses.py",
+        "python/losses/python/losses_wargs.py",
+        "python/losses/python/tuple_losses.py",
+        "python/losses/python/tuple_losses_impl.py",
     ],
     srcs_version = "PY2AND3",
     deps = [
@@ -100,7 +101,7 @@ py_library(
 
 py_test(
     name = "tuple_losses_test",
-    srcs = ["python/losses/tuple_losses_test.py"],
+    srcs = ["python/losses/python/tuple_losses_test.py"],
     srcs_version = "PY2AND3",
     deps = [
         ":tuple_losses",
@@ -111,7 +112,10 @@ py_test(
 
 py_library(
     name = "conditioning_utils",
-    srcs = ["python/features/conditioning_utils.py"],
+    srcs = [
+        "python/features/python/conditioning_utils.py",
+        "python/features/python/conditioning_utils_impl.py",
+    ],
     srcs_version = "PY2AND3",
     deps = [
         "//tensorflow/contrib/layers:layers_py",
@@ -125,7 +129,7 @@ py_library(
 
 py_test(
     name = "conditioning_utils_test",
-    srcs = ["python/features/conditioning_utils_test.py"],
+    srcs = ["python/features/python/conditioning_utils_test.py"],
     srcs_version = "PY2AND3",
     deps = [
         ":conditioning_utils",
@@ -137,7 +141,10 @@ py_test(
 
 py_library(
     name = "virtual_batchnorm",
-    srcs = ["python/features/virtual_batchnorm.py"],
+    srcs = [
+        "python/features/python/virtual_batchnorm.py",
+        "python/features/python/virtual_batchnorm_impl.py",
+    ],
     srcs_version = "PY2AND3",
     deps = [
         "//tensorflow/python:array_ops",
@@ -154,7 +161,7 @@ py_library(
 
 py_test(
     name = "virtual_batchnorm_test",
-    srcs = ["python/features/virtual_batchnorm_test.py"],
+    srcs = ["python/features/python/virtual_batchnorm_test.py"],
     srcs_version = "PY2AND3",
     deps = [
         ":virtual_batchnorm",
@@ -176,14 +183,17 @@ py_test(
 
 py_library(
     name = "clip_weights",
-    srcs = ["python/features/clip_weights.py"],
+    srcs = [
+        "python/features/python/clip_weights.py",
+        "python/features/python/clip_weights_impl.py",
+    ],
     srcs_version = "PY2AND3",
     deps = ["//tensorflow/contrib/opt:opt_py"],
 )
 
 py_test(
     name = "clip_weights_test",
-    srcs = ["python/features/clip_weights_test.py"],
+    srcs = ["python/features/python/clip_weights_test.py"],
     srcs_version = "PY2AND3",
     deps = [
         ":clip_weights",

tensorflow/contrib/gan/python/features/__init__.py

@@ -20,13 +20,13 @@ from __future__ import print_function
 
 # Collapse features into a single namespace.
 # pylint: disable=unused-import,wildcard-import
-from tensorflow.contrib.gan.python.features import clip_weights
-from tensorflow.contrib.gan.python.features import conditioning_utils
-from tensorflow.contrib.gan.python.features import virtual_batchnorm
+from tensorflow.contrib.gan.python.features.python import clip_weights
+from tensorflow.contrib.gan.python.features.python import conditioning_utils
+from tensorflow.contrib.gan.python.features.python import virtual_batchnorm
 
-from tensorflow.contrib.gan.python.features.clip_weights import *
-from tensorflow.contrib.gan.python.features.conditioning_utils import *
-from tensorflow.contrib.gan.python.features.virtual_batchnorm import *
+from tensorflow.contrib.gan.python.features.python.clip_weights import *
+from tensorflow.contrib.gan.python.features.python.conditioning_utils import *
+from tensorflow.contrib.gan.python.features.python.virtual_batchnorm import *
 # pylint: enable=unused-import,wildcard-import
 
 from tensorflow.python.util.all_util import remove_undocumented

tensorflow/contrib/gan/python/features/python/clip_weights.py

@@ -0,0 +1,28 @@
+# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+"""Utilities to clip weights."""
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+from tensorflow.contrib.gan.python.features.python import clip_weights_impl
+# pylint: disable=wildcard-import
+from tensorflow.contrib.gan.python.features.python.clip_weights_impl import *
+# pylint: enable=wildcard-import
+from tensorflow.python.util.all_util import remove_undocumented
+
+__all__ = clip_weights_impl.__all__
+remove_undocumented(__name__, __all__)

tensorflow/contrib/gan/python/features/python/clip_weights_test.py

@@ -20,7 +20,7 @@ from __future__ import print_function
 
 import collections
 
-from tensorflow.contrib.gan.python.features import clip_weights
+from tensorflow.contrib.gan.python.features.python import clip_weights_impl as clip_weights
 
 from tensorflow.python.ops import variables
 from tensorflow.python.platform import test

tensorflow/contrib/gan/python/features/python/conditioning_utils.py

@@ -0,0 +1,28 @@
+# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+"""Miscellanous utilities for TFGAN code and examples."""
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+from tensorflow.contrib.gan.python.features.python import conditioning_utils_impl
+# pylint: disable=wildcard-import
+from tensorflow.contrib.gan.python.features.python.conditioning_utils_impl import *
+# pylint: enable=wildcard-import
+from tensorflow.python.util.all_util import remove_undocumented
+
+__all__ = conditioning_utils_impl.__all__
+remove_undocumented(__name__, __all__)

tensorflow/contrib/gan/python/features/python/conditioning_utils_test.py

@@ -18,7 +18,7 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.contrib.gan.python.features import conditioning_utils
+from tensorflow.contrib.gan.python.features.python import conditioning_utils_impl as conditioning_utils
 
 from tensorflow.python.framework import dtypes
 from tensorflow.python.ops import array_ops

tensorflow/contrib/gan/python/features/python/virtual_batchnorm.py

@@ -0,0 +1,27 @@
+# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+"""Virtual batch normalization."""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+from tensorflow.contrib.gan.python.features.python import virtual_batchnorm_impl
+# pylint: disable=wildcard-import
+from tensorflow.contrib.gan.python.features.python.virtual_batchnorm_impl import *
+# pylint: enable=wildcard-import
+from tensorflow.python.util.all_util import remove_undocumented
+
+__all__ = virtual_batchnorm_impl.__all__
+remove_undocumented(__name__, __all__)

tensorflow/contrib/gan/python/features/python/virtual_batchnorm_test.py

@@ -21,7 +21,7 @@ from __future__ import print_function
 import numpy as np
 
 from tensorflow.contrib.framework.python.ops import variables as contrib_variables_lib
-from tensorflow.contrib.gan.python.features import virtual_batchnorm
+from tensorflow.contrib.gan.python.features.python import virtual_batchnorm_impl as virtual_batchnorm
 from tensorflow.python.framework import constant_op
 from tensorflow.python.framework import dtypes
 from tensorflow.python.framework import random_seed

tensorflow/contrib/gan/python/losses/__init__.py

@@ -19,11 +19,11 @@ from __future__ import division
 from __future__ import print_function
 
 # Collapse losses into a single namespace.
-from tensorflow.contrib.gan.python.losses import losses_wargs as wargs
-from tensorflow.contrib.gan.python.losses import tuple_losses
+from tensorflow.contrib.gan.python.losses.python import losses_wargs as wargs
+from tensorflow.contrib.gan.python.losses.python import tuple_losses
 
 # pylint: disable=wildcard-import
-from tensorflow.contrib.gan.python.losses.tuple_losses import *
+from tensorflow.contrib.gan.python.losses.python.tuple_losses import *
 # pylint: enable=wildcard-import
 
 from tensorflow.python.util.all_util import remove_undocumented

tensorflow/contrib/gan/python/losses/python/losses_impl_test.py

@@ -18,7 +18,7 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.contrib.gan.python.losses import losses_impl as tfgan_losses
+from tensorflow.contrib.gan.python.losses.python import losses_impl as tfgan_losses
 from tensorflow.python.framework import constant_op
 from tensorflow.python.framework import dtypes
 from tensorflow.python.framework import ops

tensorflow/contrib/gan/python/losses/python/losses_wargs.py

@@ -18,8 +18,8 @@ from __future__ import division
 from __future__ import print_function
 
 # pylint: disable=wildcard-import
-from tensorflow.contrib.gan.python.losses import losses_impl
-from tensorflow.contrib.gan.python.losses.losses_impl import *
+from tensorflow.contrib.gan.python.losses.python import losses_impl
+from tensorflow.contrib.gan.python.losses.python.losses_impl import *
 # pylint: enable=wildcard-import
 
 from tensorflow.python.util.all_util import remove_undocumented

tensorflow/contrib/gan/python/losses/python/tuple_losses.py

@@ -0,0 +1,27 @@
+# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+"""TFGAN utilities for loss functions that accept GANModel namedtuples."""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+# pylint: disable=wildcard-import
+from tensorflow.contrib.gan.python.losses.python import tuple_losses_impl
+from tensorflow.contrib.gan.python.losses.python.tuple_losses_impl import *
+# pylint: enable=wildcard-import
+from tensorflow.python.util.all_util import remove_undocumented
+
+__all__ = tuple_losses_impl.__all__
+remove_undocumented(__name__, __all__)

tensorflow/contrib/gan/python/losses/python/tuple_losses_impl.py

@@ -29,7 +29,7 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-from tensorflow.contrib.gan.python.losses import losses_impl
+from tensorflow.contrib.gan.python.losses.python import losses_impl
 from tensorflow.python.util import tf_inspect
 
 

tensorflow/contrib/gan/python/losses/python/tuple_losses_test.py

@@ -22,7 +22,7 @@ import collections
 
 import numpy as np
 
-from tensorflow.contrib.gan.python.losses import tuple_losses as tfgan_losses
+from tensorflow.contrib.gan.python.losses.python import tuple_losses_impl as tfgan_losses
 
 from tensorflow.python.platform import test