Move AutoGraph to core. This CL moves the entirety of the code base, keeping the frontend autograph module in contrib for backward compatibility. Certain files, like notebooks and the readme file may be referenced from the outside, so a copy of those is kept as well. In addition, the notebooks subdirectory of examples is also kept in contrib because the extension the build file relies on is not available in the PIP package.

PiperOrigin-RevId: 212543067

1 files changed, 55 insertions, 0 deletions

diff --git a/tensorflow/python/autograph/operators/__init__.py b/tensorflow/python/autograph/operators/__init__.py
new file mode 100644
index 0000000000..0d3b44b6c4
--- /dev/null
+++ b/tensorflow/python/autograph/operators/__init__.py
@@ -0,0 +1,55 @@
+# Copyright 2018 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.
+# ==============================================================================
+"""This module implements operators that AutoGraph overloads.
+
+Note that "operator" is used loosely here, and includes control structures like
+conditionals and loops, implemented in functional form, using for example
+closures for the body.
+"""
+
+# Naming conventions:
+#  * operator names match the name usually used for the respective Python
+#    idiom; examples: for_stmt, list_append
+#  * operator arguments match either of:
+#    - the corresponding Python AST attribute (e.g. the condition of an if
+#      statement is called test) if the operator represents an AST construct
+#    - the names used in the Python docs, if the operator is a function (e.g.
+#      list_ and x for append, see
+#      https://docs.python.org/3.7/tutorial/datastructures.html)
+#
+# All operators may accept a final argument named "opts", of a type that
+# subclasses namedtuple and contains any arguments that are only required
+# for some specializations of the operator.
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+from tensorflow.python.autograph.operators.control_flow import for_stmt
+from tensorflow.python.autograph.operators.control_flow import while_stmt
+from tensorflow.python.autograph.operators.data_structures import list_append
+from tensorflow.python.autograph.operators.data_structures import list_pop
+from tensorflow.python.autograph.operators.data_structures import list_stack
+from tensorflow.python.autograph.operators.data_structures import ListPopOpts
+from tensorflow.python.autograph.operators.data_structures import ListStackOpts
+from tensorflow.python.autograph.operators.data_structures import new_list
+from tensorflow.python.autograph.operators.py_builtins import float_
+from tensorflow.python.autograph.operators.py_builtins import int_
+from tensorflow.python.autograph.operators.py_builtins import len_
+from tensorflow.python.autograph.operators.py_builtins import print_
+from tensorflow.python.autograph.operators.py_builtins import range_
+from tensorflow.python.autograph.operators.slices import get_item
+from tensorflow.python.autograph.operators.slices import GetItemOpts
+from tensorflow.python.autograph.operators.slices import set_item