[Dy2st]Integrated gast library to fix compatibility problem permanent…

…ly (#34556)

* integrated gast library

* integrated gast library

* fix unittest and remove ast2.py

* remove 'gast' from __all__ in __init__.py

* add copyright in other files

* fix copyright

python/paddle/fluid/dygraph/dygraph_to_static/assert_transformer.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 
 from paddle.fluid.dygraph.dygraph_to_static.static_analysis import AstNodeWrapper
 from paddle.fluid.dygraph.dygraph_to_static.utils import ast_to_source_code

python/paddle/fluid/dygraph/dygraph_to_static/ast_transformer.py

@@ -18,7 +18,7 @@
 # It provides a compatibility layer between the AST of various Python versions,
 # as produced by ast.parse from the standard ast module.
 # See details in https://github.com/serge-sans-paille/gast/
-import gast
+from paddle.utils import gast
 from paddle.fluid.dygraph.dygraph_to_static.assert_transformer import AssertTransformer
 from paddle.fluid.dygraph.dygraph_to_static.basic_api_transformer import BasicApiTransformer
 from paddle.fluid.dygraph.dygraph_to_static.break_continue_transformer import BreakContinueTransformer

python/paddle/fluid/dygraph/dygraph_to_static/basic_api_transformer.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 import astor
-import gast
+from paddle.utils import gast
 
 from paddle.fluid.dygraph.dygraph_to_static.static_analysis import AstNodeWrapper
 from paddle.fluid.dygraph.dygraph_to_static import utils

python/paddle/fluid/dygraph/dygraph_to_static/break_continue_transformer.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 
 from paddle.fluid import unique_name
 from paddle.fluid.dygraph.dygraph_to_static.utils import index_in_list

python/paddle/fluid/dygraph/dygraph_to_static/call_transformer.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 from __future__ import print_function
-import gast
+from paddle.utils import gast
 
 from paddle.fluid.dygraph.dygraph_to_static.static_analysis import AstNodeWrapper
 from paddle.fluid.dygraph.dygraph_to_static.utils import ast_to_source_code

python/paddle/fluid/dygraph/dygraph_to_static/cast_transformer.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 from __future__ import print_function
-import gast
+from paddle.utils import gast
 
 from paddle.fluid.dygraph.dygraph_to_static.static_analysis import AstNodeWrapper
 from paddle.fluid.dygraph.dygraph_to_static.utils import ast_to_source_code

python/paddle/fluid/dygraph/dygraph_to_static/grad_transformer.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 import warnings
 
 from paddle.fluid.dygraph.dygraph_to_static.static_analysis import AstNodeWrapper

python/paddle/fluid/dygraph/dygraph_to_static/ifelse_transformer.py

@@ -22,7 +22,7 @@
 # It provides a compatibility layer between the AST of various Python versions,
 # as produced by ast.parse from the standard ast module.
 # See details in https://github.com/serge-sans-paille/gast/
-import gast
+from paddle.utils import gast
 from paddle.fluid import unique_name
 
 from paddle.fluid.dygraph.dygraph_to_static.utils import create_funcDef_node, ast_to_source_code

python/paddle/fluid/dygraph/dygraph_to_static/list_transformer.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 
 import astor
-import gast
+from paddle.utils import gast
 
 from paddle.fluid.dygraph.dygraph_to_static.static_analysis import AstNodeWrapper, StaticAnalysisVisitor
 from paddle.fluid.dygraph.dygraph_to_static.utils import ast_to_source_code

python/paddle/fluid/dygraph/dygraph_to_static/logical_transformer.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 from paddle.fluid.dygraph.dygraph_to_static.utils import ast_to_source_code
 
 cmpop_type_to_str = {

python/paddle/fluid/dygraph/dygraph_to_static/loop_transformer.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 
 import copy
-import gast
+from paddle.utils import gast
 
 from collections import defaultdict
 from paddle.fluid import unique_name

python/paddle/fluid/dygraph/dygraph_to_static/origin_info.py

@@ -17,7 +17,7 @@
 import collections
 import inspect
 
-import gast
+from paddle.utils import gast
 from paddle.fluid import core
 from paddle.fluid.dygraph.dygraph_to_static.utils import unwrap
 from paddle.fluid.framework import Program

python/paddle/fluid/dygraph/dygraph_to_static/print_transformer.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 
 from paddle.fluid.dygraph.dygraph_to_static.static_analysis import AstNodeWrapper, StaticAnalysisVisitor
 

python/paddle/fluid/dygraph/dygraph_to_static/program_translator.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 
 import collections
-import gast
+from paddle.utils import gast
 import inspect
 import six
 import textwrap

python/paddle/fluid/dygraph/dygraph_to_static/return_transformer.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 
 from paddle.fluid import unique_name
 from paddle.fluid.dygraph.dygraph_to_static.utils import index_in_list

python/paddle/fluid/dygraph/dygraph_to_static/static_analysis.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 from .utils import is_paddle_api, is_dygraph_api, is_numpy_api, index_in_list
 
 __all__ = ['AstNodeWrapper', 'NodeVarType', 'StaticAnalysisVisitor']

python/paddle/fluid/dygraph/dygraph_to_static/tensor_shape_transformer.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 
 import copy
-import gast
+from paddle.utils import gast
 
 from paddle.fluid import unique_name
 from paddle.fluid.dygraph.dygraph_to_static.utils import ast_to_source_code

python/paddle/fluid/dygraph/dygraph_to_static/utils.py

@@ -19,7 +19,7 @@
 import atexit
 import copy
 import collections
-import gast
+from paddle.utils import gast
 import inspect
 import os
 import six

python/paddle/fluid/dygraph/dygraph_to_static/variable_trans_func.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 
 import six
-import gast
+from paddle.utils import gast
 
 from paddle.fluid import core
 from paddle.fluid import unique_name

python/paddle/fluid/tests/unittests/dygraph_to_static/test_ast_util.py

@@ -16,7 +16,7 @@
 
 import unittest
 import textwrap
-import gast
+from paddle.utils import gast
 import inspect
 import numpy as np
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/dygraph_to_static/test_basic_api_transformation.py

@@ -17,7 +17,7 @@
 import numpy as np
 import unittest
 import inspect
-import gast
+from paddle.utils import gast
 
 import paddle
 import paddle.fluid as fluid

python/paddle/fluid/tests/unittests/dygraph_to_static/test_ifelse_basic.py

@@ -16,7 +16,7 @@
 
 import unittest
 import textwrap
-import gast
+from paddle.utils import gast
 from paddle.fluid.dygraph.dygraph_to_static.ifelse_transformer import get_name_ids
 from paddle.fluid.dygraph.dygraph_to_static.static_analysis import StaticAnalysisVisitor
 from paddle.fluid.dygraph.dygraph_to_static.static_analysis import NodeVarType

python/paddle/fluid/tests/unittests/dygraph_to_static/test_logging_utils.py

@@ -20,7 +20,7 @@
 import sys
 import unittest
 
-import gast
+from paddle.utils import gast
 
 import paddle
 from paddle.fluid.dygraph.dygraph_to_static import logging_utils

python/paddle/fluid/tests/unittests/dygraph_to_static/test_logical.py

@@ -18,7 +18,7 @@
 
 import unittest
 
-import gast
+from paddle.utils import gast
 import numpy as np
 
 import paddle

python/paddle/fluid/tests/unittests/dygraph_to_static/test_loop.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 import inspect
 import numpy as np
 import paddle

python/paddle/fluid/tests/unittests/dygraph_to_static/test_program_translator.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 
 import astor
-import gast
+from paddle.utils import gast
 import inspect
 import numpy as np
 import textwrap

python/paddle/fluid/tests/unittests/dygraph_to_static/test_static_analysis.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 import inspect
 import numpy as np
 import paddle

python/paddle/fluid/tests/unittests/dygraph_to_static/test_variable_trans_func.py

@@ -14,7 +14,7 @@
 
 from __future__ import print_function
 
-import gast
+from paddle.utils import gast
 import unittest
 
 import numpy as np

python/paddle/fluid/tests/unittests/test_gast_with_compatibility.py

@@ -15,7 +15,7 @@
 from __future__ import print_function
 
 import ast
-import gast
+from paddle.utils import gast
 import sys
 import textwrap
 import unittest

python/paddle/utils/__init__.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from . import gast
 from .profiler import ProfilerOptions  # noqa: F401
 from .profiler import Profiler  # noqa: F401
 from .profiler import get_profiler  # noqa: F401

python/paddle/utils/gast/__init__.py

@@ -0,0 +1,33 @@
+# Copyright (c) 2016, Serge Guelton
+# All rights reserved.
+
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+
+# 	Redistributions of source code must retain the above copyright notice, this
+# 	list of conditions and the following disclaimer.
+
+# 	Redistributions in binary form must reproduce the above copyright notice,
+# 	this list of conditions and the following disclaimer in the documentation
+# 	and/or other materials provided with the distribution.
+
+# 	Neither the name of HPCProject, Serge Guelton nor the names of its
+# 	contributors may be used to endorse or promote products derived from this
+# 	software without specific prior written permission.
+
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# NOTE(paddle-dev): We introduce third-party library Gast as unified AST
+# representation. See https://github.com/serge-sans-paille/gast for details.
+
+from .gast import *
+from ast import NodeVisitor, NodeTransformer, iter_fields, dump