Support assign x.shape to dict['key'] in dy2st (#40611)

* support assign x.shape to dict['key'] in dy2st

* remove replace_dot

* refine unit test

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

@@ -297,10 +297,6 @@ class TensorShapeTransformer(gast.NodeTransformer):
         return False
 
     def _update_name_to_var_shape(self, node):
-        def replace_dot(name):
-            # replace all '.' into '_'
-            return name.replace('.', '_')
-
         assert isinstance(node, gast.Assign)
         target_node = node.targets[0]
         value_node = node.value
@@ -315,7 +311,6 @@ class TensorShapeTransformer(gast.NodeTransformer):
                     if value_node.id in self.name_to_var_shape:
                         # TODO(zhhsplendid): is context a problem for the result node of gast.parse?
                         static_shape_var_name = unique_name.generate(
-                            replace_dot(target_id) +
                             STATIC_CONVERT_VAR_SHAPE_SUFFIX)
                         static_shape_var_node = gast.parse(
                             static_shape_var_name).body[0].value
@@ -337,7 +332,6 @@ class TensorShapeTransformer(gast.NodeTransformer):
                 if isinstance(value_node, gast.Attribute):
                     if self._is_var_shape(value_node):  # eg: x.shape
                         static_shape_var_name = unique_name.generate(
-                            replace_dot(target_id) +
                             STATIC_CONVERT_VAR_SHAPE_SUFFIX)
                         static_shape_var_node = gast.parse(
                             static_shape_var_name).body[0].value
@@ -370,7 +364,6 @@ class TensorShapeTransformer(gast.NodeTransformer):
             if isinstance(value_node, gast.Name):
                 if value_node.id in self.name_to_var_shape:
                     static_shape_var_name = unique_name.generate(
-                        replace_dot(target_id) +
                         STATIC_CONVERT_VAR_SHAPE_SUFFIX)
                     static_shape_var_node = gast.parse(
                         static_shape_var_name).body[0].value
@@ -387,7 +380,7 @@ class TensorShapeTransformer(gast.NodeTransformer):
                     self.name_to_var_shape[target_id] = static_shape_var_name
             elif self._is_var_shape(value_node):  # eg: x.shape or x.shape[0]
                 static_shape_var_name = unique_name.generate(
-                    replace_dot(target_id) + STATIC_CONVERT_VAR_SHAPE_SUFFIX)
+                    STATIC_CONVERT_VAR_SHAPE_SUFFIX)
                 static_shape_var_node = gast.parse(static_shape_var_name).body[
                     0].value
                 static_shape_value_node = copy.deepcopy(value_node)

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

@@ -223,6 +223,12 @@ def dyfunc_len_paddle_shape():
         print(x)
 
 
+def dyfunc_dict_assign_shape():
+    x = paddle.to_tensor([1, 2])
+    a = {}
+    a['shape'] = x.shape[0]
+
+
 # 1. Basic tests without control flow
 class TestTensorShapeBasic(unittest.TestCase):
     def setUp(self):
@@ -592,6 +598,8 @@ class TestPaddleShape(unittest.TestCase):
     def test_paddle_shape(self):
         func = paddle.jit.to_static(dyfunc_len_paddle_shape)
         self.assertEqual('paddle.shape(x)' in func.code, True)
+        func = paddle.jit.to_static(dyfunc_dict_assign_shape)
+        self.assertEqual("__static_convert_var_shape_suffix" in func.code, True)
 
 
 if __name__ == '__main__':