mindspore2022/tests/ut/python/rewrite/test_ast_replacer.py

74 lines
2.4 KiB
Python

# Copyright 2022 Huawei Technologies Co., Ltd
#
# 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.
# ============================================================================
import ast
import re
import inspect
import astunparse
from mindspore import nn
from mindspore.ops import functional as F
from mindspore.rewrite.ast_helpers import AstReplacer
class SimpleNet2(nn.Cell):
def construct(self, x):
return F.add(x, x)
class SimpleNet(nn.Cell):
def __init__(self):
super(SimpleNet, self).__init__()
SimpleNet._get_int()
self.aaa = SimpleNet._get_int()
self.bbb = SimpleNet._get_int() + 1
self.ccc = F.add(SimpleNet._get_int(), 1)
self.ddd = SimpleNet2()
@staticmethod
def _get_int():
return 1
def construct(self, x):
SimpleNet._get_int()
aaa = SimpleNet._get_int()
bbb = SimpleNet._get_int() + aaa
ccc = F.add(SimpleNet._get_int(), bbb)
x = self.ddd(ccc)
return x
def test_replacer():
"""
Feature: Class AstReplacer in Package rewrite.
Description:
Use AstReplacer to replace all "SimpleNet" symbol to "SimpleNet2" symbol.
Use AstReplacer to undo all replace.
Expectation: AstReplacer can replace all "SimpleNet" symbol to "SimpleNet2" symbol and restore original ast node.
"""
original_code = inspect.getsource(SimpleNet)
assert len(re.findall("SimpleNet", original_code)) == 11
assert len(re.findall("SimpleNet2", original_code)) == 1
ast_root = ast.parse(original_code)
replacer = AstReplacer(ast_root)
replacer.replace_all("SimpleNet", "SimpleNet2")
replaced_code = astunparse.unparse(ast_root)
assert len(re.findall("SimpleNet", replaced_code)) == 11
assert len(re.findall("SimpleNet2", replaced_code)) == 11
replacer.undo_all()
assert len(re.findall("SimpleNet", original_code)) == 11
assert len(re.findall("SimpleNet2", original_code)) == 1