!32613 Supports creating and calling instances of ms_class

Merge pull request !32613 from huangbingjian/class_dev

mindspore/ccsrc/pipeline/jit/parse/data_converter.cc

@@ -658,13 +658,19 @@ ClassInstanceTypeDef GetClassInstanceType(const py::object &obj) {
   return class_type;
 }
 
-// Check the object is Cell Instance.
+// Check if the object is Cell instance.
 bool IsCellInstance(const py::object &obj) {
   auto class_type = GetClassInstanceType(obj);
   bool is_cell = (class_type == CLASS_INSTANCE_TYPE_CELL);
   return is_cell;
 }
 
+// Check if the object is class type.
+bool IsClassType(const py::object &obj) {
+  py::module mod = python_adapter::GetPyModule(PYTHON_MOD_PARSE_MODULE);
+  return python_adapter::CallPyModFn(mod, PYTHON_MOD_IS_CLASS_TYPE, obj).cast<bool>();
+}
+
 // Create the python class instance.
 py::object CreatePythonObject(const py::object &type, const py::tuple &args_kwargs) {
   py::module mod = python_adapter::GetPyModule(PYTHON_MOD_PARSE_MODULE);

mindspore/ccsrc/pipeline/jit/parse/data_converter.h

@@ -1,7 +1,7 @@
 /**
  * This is the C++ adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
  *
- * Copyright 2019-2021 Huawei Technologies Co., Ltd
+ * Copyright 2019-2022 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.
@@ -44,6 +44,7 @@ ResolveTypeDef GetObjType(const py::object &obj);
 ClassInstanceTypeDef GetClassInstanceType(const py::object &obj);
 
 bool IsCellInstance(const py::object &obj);
+bool IsClassType(const py::object &obj);
 py::object CreatePythonObject(const py::object &type, const py::tuple &args_kwargs);
 py::object CallPythonScript(const py::object &script, const py::tuple &args_kwargs);
 void MakeProperNameToFuncGraph(const FuncGraphPtr &func_graph, std::string name);

mindspore/ccsrc/pipeline/jit/parse/parse_base.h

@@ -67,8 +67,8 @@ const char PYTHON_MOD_CREATE_INSTANCE[] = "create_instance";
 const char PYTHON_MOD_IS_SUPPORTED_CREATE_INSTANCE_TYPE[] = "is_supported_create_instance_type";
 const char PYTHON_MOD_GET_DATACLASS_ATTRS[] = "get_dataclass_attributes";
 const char PYTHON_MOD_GET_DATACLASS_METHODS[] = "get_dataclass_methods";
+const char PYTHON_MOD_IS_CLASS_TYPE[] = "is_class_type";
 const char PYTHON_MOD_GET_MS_CLASS_NAME[] = "get_ms_class_name";
-const char PYTHON_MOD_GET_MS_CLASS_ATTR[] = "get_ms_class_attr";
 const char PYTHON_MOD_GET_MODULE_NAMESPACE[] = "get_module_namespace";
 const char PYTHON_MOD_GET_ATTR_NAMESPACE_SYMBOL[] = "get_class_attr_namespace_symbol";
 const char PYTHON_MOD_GET_MEMBER_NAMESPACE_SYMBOL[] = "get_class_member_namespace_symbol";

mindspore/ccsrc/pipeline/jit/parse/resolve.cc

@@ -67,6 +67,7 @@ struct AnfDumpHandlerRegister {
   }
 } callback_register;
 }  // namespace
+
 abstract::AbstractBasePtr ClassObject::ToAbstract() {
   ClassPtr cls_ptr = ParseDataClass(obj());
   auto abs_scalar = std::make_shared<abstract::AbstractScalar>();
@@ -78,6 +79,24 @@ abstract::AbstractBasePtr ClassObject::ToAbstract() {
   return std::make_shared<abstract::PartialAbstractClosure>(func_ptr, args_spec_list);
 }
 
+abstract::AbstractBasePtr MsClassObject::ToAbstract() {
+  auto abs_scalar =
+    std::make_shared<abstract::AbstractScalar>(shared_from_base<MsClassObject>(), std::make_shared<MsClassType>());
+  AbstractBasePtrList args_spec_list = {abs_scalar};
+  abstract::PrimitiveAbstractClosurePtr func_ptr = nullptr;
+  bool is_class_type = parse::data_converter::IsClassType(obj());
+  if (is_class_type) {
+    // Class type as func, such as Net(x, y)
+    func_ptr = std::make_shared<abstract::PrimitiveAbstractClosure>(prim::kPrimCreateInstance);
+  } else {
+    // Class instance as func, such as net(x, y)
+    func_ptr = std::make_shared<abstract::PrimitiveAbstractClosure>(prim::kPrimCallInstance);
+  }
+  auto ret_val = std::make_shared<abstract::PartialAbstractClosure>(func_ptr, args_spec_list);
+  ret_val->set_value_desc(ToString());
+  return ret_val;
+}
+
 static inline bool IsSupportedCreateInstanceType(const py::object &obj) {
   py::module mod = python_adapter::GetPyModule(PYTHON_MOD_PARSE_MODULE);
   auto res = python_adapter::CallPyModFn(mod, PYTHON_MOD_IS_SUPPORTED_CREATE_INSTANCE_TYPE, obj);
@@ -520,14 +539,15 @@ AnfNodePtr ResolveMsClassWithAttr(const FuncGraphManagerPtr &manager, const MsCl
   MS_LOG(DEBUG) << "Resolve ms_class obj (" << ms_class->name() << ") with attr " << attr << ".";
   TraceGuard trace_guard(std::make_shared<TraceResolve>(node->debug_info()));
 
+  constexpr size_t prefix_index = 0;
+  if (attr.size() > 0 && attr[prefix_index] == '_') {
+    MS_LOG(EXCEPTION) << attr << " is a private variable or magic method, which is not supported.";
+  }
   py::object cls_obj = ms_class->obj();
-  if (!py::hasattr(cls_obj, attr.c_str())) {
+  if (!py::hasattr(cls_obj, common::SafeCStr(attr))) {
     MS_LOG(EXCEPTION) << ms_class->name() << " has not attribute: " << attr << ".";
   }
-
+  py::object attr_obj = py::getattr(cls_obj, common::SafeCStr(attr));
-  const std::string fn = PYTHON_MOD_GET_MS_CLASS_ATTR;
-  const std::string module = "mindspore._extends.parse.parser";
-  py::object attr_obj = python_adapter::GetPyFn(module, fn)(cls_obj, attr);
   AnfNodePtr res_node = ResolveObjectAndAddToManager(manager, attr_obj, node);
   TraceManager::ClearParseOrResolveDebugInfo();
   return res_node;

mindspore/ccsrc/pipeline/jit/parse/resolve.h

@@ -116,6 +116,7 @@ class PyObjectWrapper : public Named {
   // the object that needs to be resolved
   py::object obj_;
 };
+using PyObjectWrapperPtr = std::shared_ptr<PyObjectWrapper>;
 
 // InterpretedObject class wrappers interpreted python object.
 class InterpretedObject final : public PyObjectWrapper {
@@ -137,9 +138,7 @@ class MsClassObject final : public PyObjectWrapper {
       : PyObjectWrapper(obj, "MsClassObject: \'" + name + "\'") {}
   ~MsClassObject() override = default;
   MS_DECLARE_PARENT(MsClassObject, PyObjectWrapper);
-  abstract::AbstractBasePtr ToAbstract() override {
+  abstract::AbstractBasePtr ToAbstract() override;
-    return std::make_shared<abstract::AbstractScalar>(shared_from_base<MsClassObject>(), std::make_shared<External>());
-  }
 };
 using MsClassObjectPtr = std::shared_ptr<MsClassObject>;
 

mindspore/ccsrc/pipeline/jit/static_analysis/prim.cc

@@ -1304,6 +1304,35 @@ EvalResultPtr GetEvaluatedValueForClassAttrOrMethod(const AnalysisEnginePtr &eng
   return StaticGetterInferred(converted_value, data_conf, out_conf);
 }
 
+EvalResultPtr GetEvaluatedValueForMsClassAttrOrMethod(const AnalysisEnginePtr &engine, const ValuePtr &item_value,
+                                                      const ValuePtr &data_value, const ConfigPtr &data_conf,
+                                                      const AnfNodeConfigPtr &out_conf) {
+  MS_EXCEPTION_IF_NULL(item_value);
+  MS_EXCEPTION_IF_NULL(data_value);
+  // Get the name of item.
+  if (!item_value->isa<StringImm>()) {
+    MS_LOG(EXCEPTION) << "Expect a string, but got: " << item_value->ToString();
+  }
+  std::string item_name = item_value->cast<StringImmPtr>()->value();
+  // Get ms_class object.
+  if (!data_value->isa<parse::MsClassObject>()) {
+    MS_LOG(EXCEPTION) << "Expect a ms_class object, but got " << data_value->ToString();
+  }
+  auto ms_class = data_value->cast<parse::MsClassObjectPtr>();
+  MS_LOG(DEBUG) << "Resolve ms_class (" << ms_class->name() << ") with item " << item_name << ".";
+
+  // Get the attr/method of ms_class object.
+  auto out_node = out_conf->node();
+  FuncGraphPtr func_graph = out_node->func_graph();
+  auto new_node = ResolveMsClassWithAttr(func_graph->manager(), ms_class, item_name, out_node);
+  // Replace old node with the resolved new node in order list.
+  func_graph->ReplaceInOrder(out_node, new_node);
+  AnalysisEnginePtr eng = out_conf->engine();
+  MS_EXCEPTION_IF_NULL(eng);
+  AnfNodeConfigPtr fn_conf = eng->MakeConfig(new_node, out_conf->context(), out_conf->func_graph());
+  return eng->ForwardConfig(out_conf, fn_conf);
+}
+
 EvalResultPtr GetEvaluatedValueForBuiltinTypeAttrOrMethod(const AnalysisEnginePtr &engine, const ValuePtr &item_value,
                                                           const TypePtr &data_type, const ConfigPtr &data_conf,
                                                           const AnfNodeConfigPtr &out_conf) {
@@ -1363,17 +1392,45 @@ int64_t GetResolveType(const TypePtr &data_type) {
   return kResolveTypeFunction;
 }
 
+ValuePtr GetMsClassObject(const AbstractBasePtr &abs) {
+  if (!abs->isa<abstract::PartialAbstractClosure>()) {
+    return nullptr;
+  }
+  auto partial_abs = abs->cast<abstract::PartialAbstractClosurePtr>();
+  auto fn = partial_abs->fn();
+  if (!fn->isa<abstract::PrimitiveAbstractClosure>()) {
+    return nullptr;
+  }
+  // Check if type is kObjectTypeClass.
+  auto args = partial_abs->args();
+  if (args.size() > 0) {
+    constexpr size_t first_input_index = 0;
+    auto first_arg = args[first_input_index];
+    MS_EXCEPTION_IF_NULL(first_arg);
+    auto type = first_arg->BuildType();
+    MS_EXCEPTION_IF_NULL(type);
+    if (type->type_id() == kObjectTypeClass) {
+      return first_arg->BuildValue();
+    }
+  }
+  return nullptr;
+}
+
 EvalResultPtr StaticGetter(const AnalysisEnginePtr &engine, const AbstractBasePtrList &args_spec_list,
                            const ConfigPtr &data_conf, const AnfNodeConfigPtr &out_conf) {
   // Inputs: namespace and its static function; or class and its member function
   CheckArgsSize("StaticGetter", args_spec_list, 2);
 
-  MS_EXCEPTION_IF_NULL(args_spec_list[0]);
+  constexpr size_t data_index = 0;
-  MS_EXCEPTION_IF_NULL(args_spec_list[1]);
+  constexpr size_t item_index = 1;
-  MS_LOG(DEBUG) << "Args[0]: " << args_spec_list[0]->ToString();
+  auto data_args = args_spec_list[data_index];
-  MS_LOG(DEBUG) << "Args[1]: " << args_spec_list[1]->ToString();
+  auto item_args = args_spec_list[item_index];
-  TypePtr data_type = args_spec_list[0]->BuildType();
+  MS_EXCEPTION_IF_NULL(data_args);
-  ValuePtr item_value = args_spec_list[1]->BuildValue();
+  MS_EXCEPTION_IF_NULL(item_args);
+  MS_LOG(DEBUG) << "StaticGetter, data: " << data_args->ToString() << ", item: " << item_args->ToString();
+  TypePtr data_type = data_args->BuildType();
+  ValuePtr item_value = item_args->BuildValue();
+
   ScopePtr scope = kDefaultScope;
   if (out_conf != nullptr) {
     scope = out_conf->node()->scope();
@@ -1384,6 +1441,10 @@ EvalResultPtr StaticGetter(const AnalysisEnginePtr &engine, const AbstractBasePt
     MS_LOG(EXCEPTION) << "The value of the attribute could not be inferred: " << item_value->ToString();
   }
 
+  auto class_value = GetMsClassObject(data_args);
+  if (class_value != nullptr) {
+    return GetEvaluatedValueForMsClassAttrOrMethod(engine, item_value, class_value, data_conf, out_conf);
+  }
   int64_t resolve_type = GetResolveType(data_type);
   if (resolve_type == kResolveTypeUserDefineClass) {
     return GetEvaluatedValueForClassAttrOrMethod(engine, args_spec_list, item_value, data_conf, out_conf);
@@ -1581,46 +1642,47 @@ class CreateInstanceEvaluator : public TransitionPrimEvaluator {
   MS_DECLARE_PARENT(CreateInstanceEvaluator, TransitionPrimEvaluator);
   EvalResultPtr EvalPrim(const AnalysisEnginePtr &engine, const AbstractBasePtrList &args_spec_list, const ConfigPtr &,
                          const AnfNodeConfigPtr &out_conf) override {
+    // Check the type parameter.
     if (args_spec_list.empty()) {
       MS_LOG(EXCEPTION) << "'args_spec_list' should not be empty";
     }
-
+    constexpr size_t type_index = 0;
-    // Get the type parameter.
+    auto arg_class_type = args_spec_list[type_index];
-    MS_EXCEPTION_IF_NULL(args_spec_list[0]);
+    MS_EXCEPTION_IF_NULL(arg_class_type);
-    TypePtr type = args_spec_list[0]->GetTypeTrack();
+    TypePtr type = arg_class_type->GetTypeTrack();
     MS_EXCEPTION_IF_NULL(type);
-    if (type->type_id() != kMetaTypeTypeType) {
+    if (type->type_id() != kMetaTypeTypeType && type->type_id() != kObjectTypeClass) {
-      MS_LOG(EXCEPTION) << "CreateInstanceEvaluator require first parameter should be an object of TypeType, but got "
+      MS_LOG(EXCEPTION)
+        << "CreateInstanceEvaluator require first parameter should be an object of TypeType or TypeClass, but got "
         << type->ToString();
     }
 
-    ValuePtr value_track = args_spec_list[0]->GetValueTrack();
+    ValuePtr value_track = arg_class_type->GetValueTrack();
     MS_EXCEPTION_IF_NULL(value_track);
-
+    parse::PyObjectWrapperPtr type_obj = dyn_cast<parse::PyObjectWrapper>(value_track);
-    std::shared_ptr<parse::PyObjectWrapper> type_obj = dyn_cast<parse::PyObjectWrapper>(value_track);
     if (type_obj == nullptr) {
       MS_LOG(EXCEPTION) << "Cast value failed, not PyObjectWrapper:" << value_track->ToString() << ".";
     }
-
+    if (!type_obj->isa<parse::ClassType>() && !type_obj->isa<parse::MsClassObject>()) {
-    if (!type_obj->isa<parse::ClassType>()) {
+      MS_LOG(EXCEPTION)
-      MS_LOG(EXCEPTION) << "CreateInstanceEvaluator the type_obj should be an object of ClassType, but got "
+        << "CreateInstanceEvaluator the type_obj should be an object of ClassType or MsClassObject, but got "
         << type_obj->ToString() << ".";
     }
-
     auto class_type = type_obj->obj();
-    MS_LOG(DEBUG) << "Get class type is " << type_obj->ToString() << ".";
+    MS_LOG(DEBUG) << "Get class type: " << type_obj->ToString() << ".";
 
     // Get the create instance obj's parameters, `params` may contain tuple(args, kwargs).
     py::tuple params = GetParameters(args_spec_list);
-
     // Create class instance.
     auto obj = parse::data_converter::CreatePythonObject(class_type, params);
     if (py::isinstance<py::none>(obj)) {
       MS_LOG(EXCEPTION) << "Create python object `" << py::str(class_type)
-                        << "` failed, only support to create \'Cell\' or \'Primitive\' object.";
+                        << "` failed, only support to create \'Cell\', \'Primitive\' or "
+                        << "user-defined Class decorated with \'ms_class\'.";
     }
 
     // Process the object.
+    MS_EXCEPTION_IF_NULL(out_conf->node());
     TraceGuard guard(std::make_shared<TraceResolve>(out_conf->node()->debug_info()));
     ValuePtr converted_ret = nullptr;
     bool converted = parse::ConvertData(obj, &converted_ret, true);
@@ -1628,7 +1690,6 @@ class CreateInstanceEvaluator : public TransitionPrimEvaluator {
       MS_LOG(EXCEPTION) << "Convert the python object failed";
     }
     MS_EXCEPTION_IF_NULL(converted_ret);
-
     if (converted_ret->isa<FuncGraph>()) {
       AddToManager(engine, converted_ret->cast<FuncGraphPtr>());
     }
@@ -1664,6 +1725,63 @@ class CreateInstanceEvaluator : public TransitionPrimEvaluator {
   }
 };
 
+class CallInstanceEvaluator : public TransitionPrimEvaluator {
+ public:
+  CallInstanceEvaluator() : TransitionPrimEvaluator("CallInstanceEvaluator") {}
+  ~CallInstanceEvaluator() override = default;
+  MS_DECLARE_PARENT(CallInstanceEvaluator, TransitionPrimEvaluator);
+  EvalResultPtr EvalPrim(const AnalysisEnginePtr &engine, const AbstractBasePtrList &args_spec_list, const ConfigPtr &,
+                         const AnfNodeConfigPtr &out_conf) override {
+    if (args_spec_list.empty()) {
+      MS_LOG(EXCEPTION) << "args_spec_list should not be empty.";
+    }
+    constexpr size_t cls_index = 0;
+    auto arg_cls = args_spec_list[cls_index];
+    MS_EXCEPTION_IF_NULL(arg_cls);
+    TypePtr type = arg_cls->GetTypeTrack();
+    MS_EXCEPTION_IF_NULL(type);
+    if (type->type_id() != kObjectTypeClass) {
+      MS_LOG(EXCEPTION) << "CallInstanceEvaluator require first parameter should be an object of TypeClass, but got "
+                        << type->ToString();
+    }
+    ValuePtr value_track = arg_cls->GetValueTrack();
+    MS_EXCEPTION_IF_NULL(value_track);
+    parse::MsClassObjectPtr ms_class = dyn_cast<parse::MsClassObject>(value_track);
+    if (ms_class == nullptr) {
+      MS_LOG(EXCEPTION) << "CallInstanceEvaluator only supports MsClassObject.";
+    }
+
+    // Call class instance, net(x, y) -> net.__call__(x, y)
+    py::object cls_obj = ms_class->obj();
+    const std::string call_func = "__call__";
+    if (!py::hasattr(cls_obj, common::SafeCStr(call_func))) {
+      MS_LOG(EXCEPTION) << ms_class->name() << " has no " << call_func << " function, please check the code.";
+    }
+    py::object call_obj = py::getattr(cls_obj, common::SafeCStr(call_func));
+    FuncGraphPtr call_func_graph = parse::ConvertToFuncGraph(call_obj);
+    if (call_func_graph == nullptr) {
+      MS_LOG(EXCEPTION) << "Parse python object " << call_func << " failed.";
+    }
+    FuncGraphManagerPtr manager = engine->func_graph_manager();
+    manager->AddFuncGraph(call_func_graph);
+
+    // Replace net with net.__call__
+    AnfNodePtr old_node = out_conf->node();
+    MS_EXCEPTION_IF_NULL(old_node);
+    CNodePtr old_cnode = dyn_cast<CNode>(old_node);
+    MS_EXCEPTION_IF_NULL(old_cnode);
+    std::vector<AnfNodePtr> inputs = {NewValueNode(call_func_graph)};
+    for (size_t i = 1; i < old_cnode->size(); i++) {
+      (void)inputs.emplace_back(old_cnode->input(i));
+    }
+    FuncGraphPtr func_graph = out_conf->func_graph();
+    auto new_cnode = func_graph->NewCNode(inputs);
+    // Continue to eval new_cnode.
+    AnfNodeConfigPtr fn_conf = engine->MakeConfig(new_cnode, out_conf->context(), out_conf->func_graph());
+    return engine->ForwardConfig(out_conf, fn_conf);
+  }
+};
+
 class PyInterpretEvaluator : public TransitionPrimEvaluator {
  public:
   PyInterpretEvaluator() : TransitionPrimEvaluator("PyInterpretEvaluator") {}
@@ -2085,6 +2203,7 @@ void InitPrimEvaluatorConstructors() {
   constructor[prim::kPrimGetAttr] = std::make_shared<GetAttrEvaluator>();
   constructor[prim::kPrimResolve] = std::make_shared<ResolveEvaluator>();
   constructor[prim::kPrimCreateInstance] = std::make_shared<CreateInstanceEvaluator>();
+  constructor[prim::kPrimCallInstance] = std::make_shared<CallInstanceEvaluator>();
   constructor[prim::kPrimPartial] = std::make_shared<PartialEvaluator>();
   constructor[prim::kPrimPyInterpret] = std::make_shared<PyInterpretEvaluator>();
   constructor[prim::kPrimMakeTuple] = std::make_shared<MakeTupleEvaluator>();

mindspore/ccsrc/pipeline/jit/validator.cc

@@ -82,7 +82,7 @@ bool CheckAbstractScalar(const AnfNodePtr &node) {
   if (abstract->isa<AbstractScalar>()) {
     TypePtr type = abstract->GetTypeTrack();
     MS_EXCEPTION_IF_NULL(type);
-    if (type->isa<EnvType>()) {
+    if (type->isa<EnvType>() || type->isa<MsClassType>()) {
       MS_LOG(EXCEPTION) << "Illegal type in the graph: " << abstract->ToString() << ", node: " << node->DebugString();
     }
     if (type->isa<Problem>() || type->isa<External>()) {

mindspore/core/ir/dtype.h

@@ -345,6 +345,24 @@ class MS_CORE_API Problem final : public Type {
 };
 using ProblemPtr = std::shared_ptr<Problem>;
 
+/// \brief MsClassType defines a type which is ms_class.
+class MS_CORE_API MsClassType final : public Type {
+ public:
+  /// \brief The constructor of External.
+  ///
+  /// \return The instance of External.
+  MsClassType() : Type(kObjectTypeClass) {}
+
+  /// \brief The destructor of External.
+  ~MsClassType() override = default;
+  MS_DECLARE_PARENT(MsClassType, Type)
+
+  TypeId generic_type_id() const override { return kObjectTypeClass; }
+  TypePtr DeepCopy() const override { return std::make_shared<MsClassType>(); }
+  std::string DumpText() const override { return "MsClassType"; }
+};
+using MsClassTypePtr = std::shared_ptr<MsClassType>;
+
 /// \brief External defines a type which is external.
 class MS_CORE_API External final : public Type {
  public:
@@ -360,9 +378,6 @@ class MS_CORE_API External final : public Type {
   TypeId generic_type_id() const override { return kMetaTypeExternal; }
   TypePtr DeepCopy() const override { return std::make_shared<External>(); }
   std::string DumpText() const override { return "ExternalType"; }
-
- private:
-  TypePtr kind;
 };
 using ExternalPtr = std::shared_ptr<External>;
 

mindspore/core/ops/core_ops.h

@@ -939,6 +939,7 @@ GVAR_DEF(PrimitivePtr, kPrimResolve, std::make_shared<Primitive>("resolve"));
 GVAR_DEF(PrimitivePtr, kPrimEmbed, std::make_shared<Primitive>("embed"));
 GVAR_DEF(PrimitivePtr, kPrimRefToEmbed, std::make_shared<Primitive>("RefToEmbed"));
 GVAR_DEF(PrimitivePtr, kPrimCreateInstance, std::make_shared<Primitive>("create_instance"));
+GVAR_DEF(PrimitivePtr, kPrimCallInstance, std::make_shared<Primitive>("call_instance"));
 
 // Other miscellaneous
 GVAR_DEF(PrimitivePtr, kPrimGetRefOrigin, std::make_shared<Primitive>("get_ref_origin"));

mindspore/core/utils/parallel_node_check.cc

@@ -31,7 +31,7 @@ static const std::set<std::string> PARALLEL_BLACK_LIST_ = {prim::kTupleGetItem,
   "get_ref_value", "get_ref_origin", "dot", "im2col", "col2im", "im2col_v1", "state_setitem", "ScalarSummary",
   "ImageSummary", "TensorSummary", "Debug", "HistogramSummary", "col2im_v1", "resolve", "BroadcastGradientArgs",
   "InvertPermutation", "DropoutGenMask", "embed", "create_instance", "RefToEmbed",
-  "stop_gradient", "UpdateState", "Load", "Switch", "Print"};
+  "stop_gradient", "UpdateState", "Load", "Switch", "Print", "call_instance"};
 #else
 static const std::set<std::string> PARALLEL_BLACK_LIST_ = {prim::kTupleGetItem, "J", "list_getitem",
   "array_getitem", "tuple_setitem", "Depend", "list_setitem", "array_setitem", "dict_getitem",
@@ -40,7 +40,7 @@ static const std::set<std::string> PARALLEL_BLACK_LIST_ = {prim::kTupleGetItem,
   "identity", "partial", "env_setitem", "env_getitem", "env_add", "MakeRefKey", "make_ref", "get_ref_key",
   "get_ref_value", "get_ref_origin", "dot", "im2col", "col2im", "im2col_v1", "state_setitem", "Debug", "col2im_v1",
   "resolve", "BroadcastGradientArgs", "InvertPermutation", "DropoutGenMask", "embed", "create_instance", "RefToEmbed",
-  "stop_gradient", "UpdateState", "Load", "Switch", "Print"};
+  "stop_gradient", "UpdateState", "Load", "Switch", "Print", "call_instance"};
 #endif
 static const std::set<PrimitivePtr> ALLGATHER_NODE_LIST_ = {prim::kPrimAllGather, prim::kPrimMiniStepAllGather,
                                                             prim::kPrimMicroStepAllGather};

mindspore/python/mindspore/_extends/parse/__init__.py

@@ -1,4 +1,4 @@
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2022 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.
@@ -18,20 +18,18 @@ Interfaces for parser module in c++.
 
 from .parser import (Parser, create_instance, is_supported_create_instance_type, generate_scope,
                      get_bprop_method_of_class, get_class_instance_type, get_class_member_namespace_symbol,
-                     create_slice_obj, get_dataclass_attributes, get_dataclass_methods, get_obj_id,
+                     create_slice_obj, get_obj_id, get_module_namespace, get_obj_type, get_object_key,
-                     get_module_namespace, get_obj_type, get_object_key, get_ast_type, get_node_type,
+                     get_ast_type, get_node_type, get_args, get_args_default_values, get_ast_namespace_symbol,
-                     get_args, get_args_default_values, get_ast_namespace_symbol, get_operation_symbol,
+                     get_operation_symbol, get_operation_namespace_symbol, get_parse_method_of_class, get_scope_name,
-                     get_operation_namespace_symbol, get_parse_method_of_class, get_scope_name, eval_script,
+                     eval_script, expand_expr_statement, is_class_member, parse_cb, resolve_symbol,
-                     expand_expr_statement, is_class_member, parse_cb, resolve_symbol, convert_to_ms_tensor,
+                     convert_to_ms_tensor, get_object_description, get_class_attr_namespace_symbol, get_ms_class_name,
-                     get_object_description, get_class_attr_namespace_symbol, get_ms_class_name,
+                     is_class_type, get_dataclass_attributes, get_dataclass_methods)
-                     get_ms_class_attr)
 
-__all__ = ['parse_cb', 'get_parse_method_of_class', 'get_bprop_method_of_class', 'resolve_symbol',
+__all__ = ['Parser', 'create_instance', 'is_supported_create_instance_type', 'generate_scope',
-           'get_object_key', 'get_class_instance_type', 'is_class_member', 'get_ast_type', 'get_node_type',
+           'get_bprop_method_of_class', 'get_class_instance_type', 'get_class_member_namespace_symbol',
-           'get_args_default_values', 'get_ast_namespace_symbol', 'get_operation_namespace_symbol',
+           'create_slice_obj', 'get_obj_id', 'get_module_namespace', 'get_obj_type', 'get_object_key',
-           'get_args', 'get_obj_type', 'create_instance', 'is_supported_create_instance_type',
+           'get_ast_type', 'get_node_type', 'get_args', 'get_args_default_values', 'get_ast_namespace_symbol',
-           'get_module_namespace', 'get_class_member_namespace_symbol', 'get_obj_id', 'Parser',
+           'get_operation_symbol', 'get_operation_namespace_symbol', 'get_parse_method_of_class', 'get_scope_name',
-           'get_dataclass_attributes', 'get_dataclass_methods', 'get_dataclass_methods', 'get_scope_name',
+           'eval_script', 'expand_expr_statement', 'is_class_member', 'parse_cb', 'resolve_symbol',
-           'eval_script', 'create_slice_obj', 'convert_to_ms_tensor', 'get_object_description', 'expand_expr_statement',
+           'convert_to_ms_tensor', 'get_object_description', 'get_class_attr_namespace_symbol', 'get_ms_class_name',
-           'generate_scope', 'get_operation_symbol', 'get_class_attr_namespace_symbol', 'get_ms_class_name',
+           'is_class_type', 'get_dataclass_attributes', 'get_dataclass_methods']
-           'get_ms_class_attr']

mindspore/python/mindspore/_extends/parse/namespace.py

@@ -1,6 +1,6 @@
 # This is the Python adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
 #
-# Copyright 2020 Huawei Technologies Co., Ltd
+# Copyright 2020-2022 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.
@@ -118,7 +118,11 @@ class ClassMemberNamespace(Namespace):
         except ValueError:
             raise UnboundLocalError(name)
         except KeyError:
-            logger.info(f"'{d.__class__.__name__ }' object has no attribute or method: '{name}', so will return None.")
+            # Check if cls is user-defined class decorated with ms_class. If true, an exception will be thrown.
+            cls = d.__class__
+            if hasattr(cls, '__ms_class__'):
+                raise NotImplementedError(f"'{cls.__name__ }' object has no attribute or method: '{name}'.")
+            logger.info(f"'{cls.__name__ }' object has no attribute or method: '{name}', so will return None.")
             raise AttributeError(name)
 
 
@@ -142,5 +146,4 @@ class ClassAttrNamespace(Namespace):
         except ValueError:
             raise UnboundLocalError(name)
         except KeyError:
-            logger.info(f"'{d.__class__.__name__ }' object has no attribute or method: '{name}', so will return None.")
+            raise AttributeError(f"'{d.__class__.__name__ }' object has no attribute or method: '{name}'.")
-            raise AttributeError(name)

mindspore/python/mindspore/_extends/parse/parser.py

@@ -1,6 +1,6 @@
 # This is the Python adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
 #
-# Copyright 2020-2021 Huawei Technologies Co., Ltd
+# Copyright 2020-2022 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.
@@ -23,7 +23,6 @@ import hashlib
 import inspect
 import types
 import importlib
-from dataclasses import is_dataclass
 from textwrap import dedent
 
 import asttokens
@@ -324,24 +323,26 @@ def get_class_instance_type(obj):
     """Get the class instance detail type."""
     # check the obj type
     logger.debug("Get the class type(%r)", obj)
-    class_type = CLASS_INSTANCE_TYPE_INVALID
-    if _is_class_instance(obj):
     if isinstance(obj, nn.Cell):
-            class_type = CLASS_INSTANCE_TYPE_CELL
+        return CLASS_INSTANCE_TYPE_CELL
-        elif isinstance(obj, ops.Primitive):
+    if isinstance(obj, ops.Primitive):
-            class_type = CLASS_INSTANCE_TYPE_PRIMITIVE
+        return CLASS_INSTANCE_TYPE_PRIMITIVE
-        # Add the other type base requirement
+    return CLASS_INSTANCE_TYPE_INVALID
-    return class_type
 
 
-def _is_class_instance(obj):
+def _is_ms_class(obj):
-    """Confirm the obj is class instance."""
+    """Check if obj is ms_class object."""
-    return isinstance(obj, (nn.Cell, ops.Primitive)) or _is_dataclass_instance(obj)
+    return hasattr(obj, '__ms_class__')
 
 
 def _is_dataclass_instance(obj):
     """Check whether a class is an instance of a dataclass (and not a dataclass itself)"""
-    return is_dataclass(obj) and not isinstance(obj, type)
+    return hasattr(obj, "__dataclass_fields__") and not isinstance(obj, type)
+
+
+def _is_class_instance(obj):
+    """Confirm the obj is class instance."""
+    return isinstance(obj, (nn.Cell, ops.Primitive)) or _is_dataclass_instance(obj) or _is_ms_class(obj)
 
 
 def _convert_tuple_to_args_kwargs(params):
@@ -358,7 +359,7 @@ def _convert_tuple_to_args_kwargs(params):
 
 def is_supported_create_instance_type(cls_type):
     """Check if cls_type is a supported instance type."""
-    return issubclass(cls_type, (nn.Cell, ops.Primitive))
+    return issubclass(cls_type, (nn.Cell, ops.Primitive)) or _is_ms_class(cls_type)
 
 
 def create_instance(cls_type, params=None):
@@ -440,28 +441,19 @@ def get_dataclass_methods(cls):
     return methods
 
 
+def is_class_type(cls):
+    """Check if cls is a class type."""
+    return isinstance(cls, type)
+
+
 def get_ms_class_name(cls):
     """Get the name of the class instance decorated by ms_class."""
     # Check if cls is nn.Cell.
     if isinstance(cls, nn.Cell):
         raise TypeError(f"ms_class is used for user-defined classes and cannot be used for nn.Cell: {cls}.")
     if isinstance(cls, type):
-        name = cls.__name__
+        return cls.__name__
-    else:
+    return cls.__class__.__name__
-        name = cls.__class__.__name__
-    # Get the name of cls.
-    cls_name = cls.__module__ + '.' + name
-    return cls_name
-
-
-def get_ms_class_attr(cls, name: str):
-    """Get attribute or method of ms_class obj."""
-    # Don't take into account python magic methods and private variables.
-    if name.startswith('_'):
-        raise AttributeError(f"{name} is a private variable or magic method, which is not supported.")
-    if not hasattr(cls, name):
-        raise AttributeError(f"{cls} has no attribute: {name}.")
-    return getattr(cls, name)
 
 
 def convert_to_ms_tensor(data):

mindspore/python/mindspore/_extends/parse/standard_method.py

@@ -1,6 +1,6 @@
 # This is the Python adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
 #
-# Copyright 2020-2021 Huawei Technologies Co., Ltd
+# Copyright 2020-2022 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.
@@ -15,10 +15,7 @@
 # limitations under the License.
 # ============================================================================
 """standard_method"""
-
+from mindspore import Tensor, Parameter, CSRTensor, COOTensor, ms_class
-from dataclasses import dataclass
-
-from mindspore import Tensor, Parameter, CSRTensor, COOTensor
 from mindspore import dtype as mstype
 
 from ..._checkparam import Validator as validator
@@ -1828,16 +1825,16 @@ def float_floordiv(x, y):
 #############
 
 
-@dataclass(frozen=True)
+@ms_class
 class SequenceIterator:
     """
-    SequenceIterator is a util dataclass for iterating sequence object.
+    SequenceIterator is a util class for iterating sequence object.
 
     Iterator to use for sequences like List, Array.
     """
-
+    def __init__(self, idx, seq):
-    idx: int
+        self.idx = idx
-    seq: list
+        self.seq = seq
 
     @core(ignore_values=True)
     def __ms_hasnext__(self):

tests/st/fallback/test_graph_fallback_class.py

@@ -0,0 +1,451 @@
+# 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.
+# ============================================================================
+""" test graph fallback """
+import pytest
+import numpy as np
+
+import mindspore.nn as nn
+import mindspore.common.dtype as mstype
+from mindspore import Tensor, context, ms_class
+
+context.set_context(mode=context.GRAPH_MODE)
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_attr():
+    """
+    Feature: JIT Fallback
+    Description: Access the attributes of user-defined classes decorated by ms_class.
+    Expectation: No exception.
+    """
+    @ms_class
+    class InnerNet:
+        def __init__(self):
+            self.number = Tensor(1, dtype=mstype.int32)
+
+    class Net(nn.Cell):
+        def __init__(self):
+            super(Net, self).__init__()
+            self.inner_net = InnerNet()
+
+        def construct(self):
+            out = self.inner_net.number
+            return out
+
+    net = Net()
+    out = net()
+    assert out.asnumpy() == 1
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_method():
+    """
+    Feature: JIT Fallback
+    Description: Access the methods of user-defined classes decorated by ms_class.
+    Expectation: No exception.
+    """
+    @ms_class
+    class InnerNet:
+        def __init__(self):
+            self.val = Tensor(2, dtype=mstype.int32)
+
+        def act(self, x, y):
+            return self.val * (x + y)
+
+    class Net(nn.Cell):
+        def __init__(self):
+            super(Net, self).__init__()
+            self.inner_net = InnerNet()
+
+        def construct(self, x, y):
+            out = self.inner_net.act(x, y)
+            return out
+
+    x = Tensor(2, dtype=mstype.int32)
+    y = Tensor(3, dtype=mstype.int32)
+    net = Net()
+    out = net(x, y)
+    assert out.asnumpy() == 10
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_call():
+    """
+    Feature: JIT Fallback
+    Description: Call the __call__ function of user-defined classes decorated by ms_class.
+    Expectation: No exception.
+    """
+    @ms_class
+    class InnerNet:
+        def __init__(self, val):
+            self.val = val
+
+        def __call__(self, x, y):
+            return self.val * (x + y)
+
+    class Net(nn.Cell):
+        def __init__(self, val):
+            super(Net, self).__init__()
+            self.inner_net = InnerNet(val)
+
+        def construct(self, x, y):
+            out = self.inner_net(x, y)
+            return out
+
+    val = Tensor(2, dtype=mstype.int32)
+    x = Tensor(3, dtype=mstype.int32)
+    y = Tensor(4, dtype=mstype.int32)
+    net = Net(val)
+    out = net(x, y)
+    assert out.asnumpy() == 14
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_input_attr():
+    """
+    Feature: JIT Fallback
+    Description: Access the attributes of user-defined classes decorated by ms_class.
+    Expectation: No exception.
+    """
+    @ms_class
+    class InnerNet:
+        def __init__(self):
+            self.number = Tensor(np.array([1, 2, 3]))
+
+    class Net(nn.Cell):
+        def __init__(self, net):
+            super(Net, self).__init__()
+            self.inner_net = net()
+
+        def construct(self):
+            out = self.inner_net.number
+            return out
+
+    net = Net(InnerNet)
+    out = net()
+    expect_res = np.array([1, 2, 3])
+    assert np.all(out.asnumpy() == expect_res)
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_input_method():
+    """
+    Feature: JIT Fallback
+    Description: Access the methods of user-defined classes decorated by ms_class.
+    Expectation: No exception.
+    """
+    @ms_class
+    class InnerNet:
+        def __init__(self):
+            self.val = Tensor(2, dtype=mstype.int32)
+
+        def act(self, x, y):
+            return self.val * (x + y)
+
+    class Net(nn.Cell):
+        def __init__(self, net):
+            super(Net, self).__init__()
+            self.inner_net = net()
+
+        def construct(self):
+            out = self.inner_net.act(1, 2)
+            return out
+
+    net = Net(InnerNet)
+    out = net()
+    assert out.asnumpy() == 6
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_class_nested():
+    """
+    Feature: JIT Fallback
+    Description: Test nested ms_class in graph.
+    Expectation: No exception.
+    """
+    @ms_class
+    class Inner:
+        def __init__(self):
+            self.number = Tensor(1, dtype=mstype.int32)
+
+    @ms_class
+    class InnerNet:
+        def __init__(self):
+            self.inner = Inner()
+
+    class Net(nn.Cell):
+        def __init__(self):
+            super(Net, self).__init__()
+            self.inner_net = InnerNet()
+
+        def construct(self):
+            out = self.inner_net.inner.number
+            return out
+
+    net = Net()
+    out = net()
+    assert out.asnumpy() == 1
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_cell_nested():
+    """
+    Feature: JIT Fallback
+    Description: Test nested ms_class and cell in graph.
+    Expectation: No exception.
+    """
+    class Net(nn.Cell):
+        def __init__(self, val):
+            super().__init__()
+            self.val = val
+
+        def construct(self, x):
+            return x + self.val
+
+    @ms_class
+    class TrainNet():
+        class Loss(nn.Cell):
+            def __init__(self, net):
+                super().__init__()
+                self.net = net
+
+            def construct(self, x):
+                out = self.net(x)
+                return out * 2
+
+        def __init__(self, net):
+            self.net = net
+            loss_net = self.Loss(self.net)
+            self.number = loss_net(10)
+
+    global_net = Net(1)
+    class LearnNet(nn.Cell):
+        def __init__(self):
+            super().__init__()
+            self.value = TrainNet(global_net).number
+
+        def construct(self, x):
+            return x + self.value
+
+    leanrn_net = LearnNet()
+    out = leanrn_net(3)
+    print(out)
+    assert out == 25
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_type_attr():
+    """
+    Feature: JIT Fallback
+    Description: Access the attributes of class type.
+    Expectation: No exception.
+    """
+    @ms_class
+    class InnerNet:
+        val = Tensor(2, dtype=mstype.int32)
+
+        def act(self, x, y):
+            return self.val * (x + y)
+
+    class Net(nn.Cell):
+        def __init__(self):
+            super(Net, self).__init__()
+            self.inner_net = InnerNet
+
+        # Support accessing attributes of class type, but do not support
+        # accessing methods, e.g. self.inner_net.act(1, 2)
+        def construct(self):
+            out = self.inner_net.val
+            return out
+
+    net = Net()
+    out = net()
+    assert out == 2
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_create_instance_attr():
+    """
+    Feature: JIT Fallback
+    Description: Access the attributes of the created class instance.
+    Expectation: No exception.
+    """
+    @ms_class
+    class InnerNet:
+        def __init__(self, val):
+            self.number = val + 3
+
+    class Net(nn.Cell):
+        def __init__(self):
+            super(Net, self).__init__()
+            self.inner_net = InnerNet
+
+        def construct(self, x):
+            net = self.inner_net(x)
+            return net.number
+
+    net = Net()
+    out = net(2)
+    assert out == 5
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_create_instance_method():
+    """
+    Feature: JIT Fallback
+    Description: Access the methods of the created class instance.
+    Expectation: No exception.
+    """
+    @ms_class
+    class InnerNet:
+        def __init__(self, val):
+            self.number = val
+
+        def act(self, x, y):
+            return self.number * (x + y)
+
+    class Net(nn.Cell):
+        def __init__(self):
+            super(Net, self).__init__()
+            self.inner_net = InnerNet
+
+        def construct(self, x, y, z):
+            net = self.inner_net(x)
+            return net.act(y, z)
+
+    x = 2
+    y = Tensor(2, dtype=mstype.int32)
+    z = Tensor(3, dtype=mstype.int32)
+    net = Net()
+    out = net(x, y, z)
+    assert out.asnumpy() == 10
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_class_create_instance_call():
+    """
+    Feature: JIT Fallback
+    Description: Call the __call__ function of the created class instance.
+    Expectation: No exception.
+    """
+    @ms_class
+    class InnerNet:
+        def __init__(self, number):
+            self.number = number
+
+        def __call__(self, x, y):
+            return self.number * (x + y)
+
+    class Net(nn.Cell):
+        def __init__(self):
+            super(Net, self).__init__()
+            self.inner_net = InnerNet
+
+        def construct(self, x, y, z):
+            net = self.inner_net(x)
+            out = net(y, z)
+            return out
+
+    x = 2
+    y = Tensor(2, dtype=mstype.int32)
+    z = Tensor(3, dtype=mstype.int32)
+    net = Net()
+    out = net(x, y, z)
+    assert out == 10
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_raise_error_not_class_type():
+    """
+    Feature: JIT Fallback
+    Description: Decorator ms_class cannot be used for non-class types.
+    Expectation: No exception.
+    """
+    with pytest.raises(TypeError):
+        @ms_class
+        def func(x, y):
+            return x + y
+
+        func(1, 2)
+
+
+@pytest.mark.level0
+@pytest.mark.platform_x86_gpu_training
+@pytest.mark.platform_arm_ascend_training
+@pytest.mark.platform_x86_ascend_training
+@pytest.mark.env_onecard
+def test_fallback_raise_error_decorate_cell():
+    """
+    Feature: JIT Fallback
+    Description: Decorator ms_class cannot be used for nn.Cell
+    Expectation: No exception.
+    """
+    @ms_class
+    class Net(nn.Cell):
+        def construct(self, x):
+            return x
+
+    with pytest.raises(TypeError):
+        x = Tensor(1)
+        net = Net()
+        net(x)

tests/ut/python/fallback/test_graph_fallback_class.py

@@ -1,416 +0,0 @@
-# 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.
-# ============================================================================
-""" test graph fallback """
-import pytest
-import numpy as np
-
-import mindspore.nn as nn
-import mindspore.common.dtype as mstype
-from mindspore import Tensor, context, ms_class, ms_function
-from . import test_graph_fallback
-
-context.set_context(mode=context.GRAPH_MODE)
-
-
-def test_fallback_self_attr():
-    """
-    Feature: JIT Fallback
-    Description: Test self.attr in graph.
-    Expectation: No exception.
-    """
-    class Network(nn.Cell):
-        def __init__(self):
-            super(Network, self).__init__()
-            self.dim = 1
-
-        def construct(self, x):
-            batch = x.shape[0]
-            one = Tensor(np.ones([batch, self.dim]), mstype.float32)
-            return one * x
-
-    net = Network()
-    x = Tensor([1, 2], mstype.float32)
-    out = net(x)
-    expect = np.array([[1., 2.], [1., 2.]])
-    assert np.allclose(out.asnumpy(), expect, 1.e-2, 1.e-2)
-
-
-def test_fallback_self_attr_fn():
-    """
-    Feature: JIT Fallback
-    Description: Test self.attr in graph.
-    Expectation: No exception.
-    """
-    class Network(nn.Cell):
-        def __init__(self, fn):
-            super(Network, self).__init__()
-            self.fn = fn
-
-        def construct(self):
-            x = np.array([1, 2, 3])
-            y = np.array([3, 4, 5])
-            out = Tensor(self.fn(x, y))
-            return out
-
-    def fn(x, y):
-        return x + y
-
-    net = Network(fn)
-    out = net()
-    expect = np.array([4, 6, 8])
-    assert np.all(out.asnumpy() == expect)
-
-
-def test_fallback_self_attr_attr():
-    """
-    Feature: JIT Fallback
-    Description: Test self.attr in graph.
-    Expectation: No exception.
-    """
-    class Network(nn.Cell):
-        def __init__(self):
-            super(Network, self).__init__()
-            self.value = [2, 2, 3]
-
-        def construct(self):
-            x = np.array(self.value.count(2))
-            return Tensor(x)
-
-    net = Network()
-    out = net()
-    assert out == 2
-
-
-def test_fallback_self_method():
-    """
-    Feature: JIT Fallback
-    Description: Test self.method in graph.
-    Expectation: No exception.
-    """
-    class Network(nn.Cell):
-        def construct(self):
-            x = np.array([1, 2, 3])
-            y = np.array([3, 4, 5])
-            out = Tensor(self.fn(x, y))
-            return out
-
-        def fn(self, x, y):
-            return x + y
-
-    net = Network()
-    out = net()
-    expect = np.array([4, 6, 8])
-    assert np.all(out.asnumpy() == expect)
-
-
-@pytest.mark.skip(reason='Not support in graph jit fallback feature yet')
-def test_fallback_self_method_tensor():
-    """
-    Feature: JIT Fallback
-    Description: Test self.method in graph.
-    Expectation: No exception.
-    """
-    class Network(nn.Cell):
-        def construct(self):
-            x = np.array([1, 2, 3])
-            y = np.array([3, 4, 5])
-            z = self.fn(x, y)
-            out = Tensor(z)
-            return out
-
-        def fn(self, x, y):
-            return x + y
-
-    net = Network()
-    out = net()
-    print(out)
-
-
-def test_fallback_import_modules():
-    """
-    Feature: JIT Fallback
-    Description: add_func is defined in test_graph_fallback.py
-    Expectation: No exception.
-    """
-    @ms_function
-    def use_imported_module(x, y):
-        out = test_graph_fallback.add_func(x, y)
-        return out
-
-    x = Tensor(2, dtype=mstype.int32)
-    y = Tensor(3, dtype=mstype.int32)
-    out = use_imported_module(x, y)
-    print(out)
-
-
-def test_fallback_class_attr():
-    """
-    Feature: JIT Fallback
-    Description: Test user-defined class attributes in graph.
-    Expectation: No exception.
-    """
-    @ms_class
-    class InnerNet:
-        def __init__(self):
-            self.number = 1
-
-    class Net(nn.Cell):
-        def __init__(self):
-            super(Net, self).__init__()
-            self.inner_net = InnerNet()
-
-        def construct(self):
-            out = self.inner_net.number
-            return out
-
-    net = Net()
-    out = net()
-    assert out == 1
-
-
-def test_fallback_class_method():
-    """
-    Feature: JIT Fallback
-    Description: Test user-defined class methods in graph.
-    Expectation: No exception.
-    """
-    @ms_class
-    class InnerNet:
-        def __init__(self):
-            self.val = 2
-
-        def act(self, x, y):
-            return self.val * (x + y)
-
-    class Net(nn.Cell):
-        def __init__(self):
-            super(Net, self).__init__()
-            self.inner_net = InnerNet()
-
-        def construct(self):
-            out = self.inner_net.act(1, 2)
-            return out
-
-    net = Net()
-    out = net()
-    assert out == 6
-
-
-def test_fallback_class_input_attr():
-    """
-    Feature: JIT Fallback
-    Description: Test user-defined class attributes in graph.
-    Expectation: No exception.
-    """
-    @ms_class
-    class InnerNet:
-        def __init__(self):
-            self.number = Tensor(np.array([1, 2, 3]))
-
-    class Net(nn.Cell):
-        def __init__(self, net):
-            super(Net, self).__init__()
-            self.inner_net = net()
-
-        def construct(self):
-            out = self.inner_net.number
-            return out
-
-    net = Net(InnerNet)
-    out = net()
-    expect_res = np.array([1, 2, 3])
-    assert np.all(out.asnumpy() == expect_res)
-
-
-def test_fallback_class_input_method():
-    """
-    Feature: JIT Fallback
-    Description: Test user-defined class methods in graph.
-    Expectation: No exception.
-    """
-    @ms_class
-    class InnerNet:
-        def __init__(self):
-            self.val = 2
-
-        def act(self, x, y):
-            return self.val * (x + y)
-
-    class Net(nn.Cell):
-        def __init__(self, net):
-            super(Net, self).__init__()
-            self.inner_net = net()
-
-        def construct(self):
-            out = self.inner_net.act(1, 2)
-            return out
-
-    net = Net(InnerNet)
-    out = net()
-    assert out == 6
-
-
-def test_fallback_class_class_nested():
-    """
-    Feature: JIT Fallback
-    Description: Test nested ms_class in graph.
-    Expectation: No exception.
-    """
-    @ms_class
-    class Inner:
-        def __init__(self):
-            self.number = 1
-
-    @ms_class
-    class InnerNet:
-        def __init__(self):
-            self.inner = Inner()
-
-    class Net(nn.Cell):
-        def __init__(self):
-            super(Net, self).__init__()
-            self.inner_net = InnerNet()
-
-        def construct(self):
-            out = self.inner_net.inner.number
-            return out
-
-    net = Net()
-    out = net()
-    assert out == 1
-
-
-def test_fallback_class_cell_nested():
-    """
-    Feature: JIT Fallback
-    Description: Test nested ms_class and cell in graph.
-    Expectation: No exception.
-    """
-    class Net(nn.Cell):
-        def __init__(self, val):
-            super().__init__()
-            self.val = val
-
-        def construct(self, x):
-            return x + self.val
-
-    @ms_class
-    class TrainNet():
-        class Loss(nn.Cell):
-            def __init__(self, net):
-                super().__init__()
-                self.net = net
-
-            def construct(self, x):
-                out = self.net(x)
-                return out * 2
-
-        def __init__(self, net):
-            self.net = net
-            loss_net = self.Loss(self.net)
-            self.number = loss_net(10)
-
-    global_net = Net(1)
-    class LearnNet(nn.Cell):
-        def __init__(self):
-            super().__init__()
-            self.value = TrainNet(global_net).number
-
-        def construct(self, x):
-            return x + self.value
-
-    leanrn_net = LearnNet()
-    out = leanrn_net(3)
-    print(out)
-    assert out == 25
-
-
-@pytest.mark.skip(reason='Not support in graph yet')
-def test_fallback_class_isinstance():
-    """
-    Feature: JIT Fallback
-    Description: Test ms_class in graph.
-    Expectation: No exception.
-    """
-    @ms_class
-    class InnerNet:
-        def __init__(self):
-            self.number = 1
-
-    class Net(nn.Cell):
-        def __init__(self):
-            super(Net, self).__init__()
-            self.inner_net = InnerNet()
-
-        def construct(self, x):
-            if isinstance(self.inner_net, InnerNet):
-                return x + 10
-            return x
-
-    net = Net()
-    out = net(5)
-    assert out == 15
-
-
-def test_fallback_raise_error_not_class_type():
-    """
-    Feature: JIT Fallback
-    Description: Test ms_class in graph.
-    Expectation: No exception.
-    """
-    with pytest.raises(TypeError):
-        @ms_class
-        def func(x, y):
-            return x + y
-
-        func(1, 2)
-
-
-def test_fallback_raise_error_not_class_instance():
-    """
-    Feature: JIT Fallback
-    Description: Test ms_class in graph.
-    Expectation: No exception.
-    """
-    @ms_class
-    class InnerNet:
-        def __init__(self):
-            self.number = 1
-
-    class Net(nn.Cell):
-        def construct(self):
-            out = InnerNet().number
-            return out
-
-    with pytest.raises(ValueError):
-        net = Net()
-        net()
-
-
-def test_fallback_raise_error_decorate_cell():
-    """
-    Feature: JIT Fallback
-    Description: Test ms_class in graph.
-    Expectation: No exception.
-    """
-    @ms_class
-    class Net(nn.Cell):
-        def construct(self, x):
-            return x
-
-    with pytest.raises(TypeError):
-        x = Tensor(1)
-        net = Net()
-        net(x)

tests/ut/python/fallback/test_graph_fallback_self.py

@@ -0,0 +1,131 @@
+# 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.
+# ============================================================================
+""" test graph fallback """
+import numpy as np
+
+import mindspore.nn as nn
+import mindspore.common.dtype as mstype
+from mindspore import Tensor, context, ms_function
+from . import test_graph_fallback
+
+context.set_context(mode=context.GRAPH_MODE)
+
+
+def test_fallback_self_attr():
+    """
+    Feature: JIT Fallback
+    Description: Use self.attr in expressions supported by JIT Fallback.
+    Expectation: No exception.
+    """
+    class Network(nn.Cell):
+        def __init__(self):
+            super(Network, self).__init__()
+            self.dim = 1
+
+        def construct(self, x):
+            batch = x.shape[0]
+            one = Tensor(np.ones([batch, self.dim]), mstype.float32)
+            return one * x
+
+    net = Network()
+    x = Tensor([1, 2], mstype.float32)
+    out = net(x)
+    expect = np.array([[1., 2.], [1., 2.]])
+    assert np.allclose(out.asnumpy(), expect, 1.e-2, 1.e-2)
+
+
+def test_fallback_self_attr_fn():
+    """
+    Feature: JIT Fallback
+    Description: Use self.attr of type function in expressions supported by JIT Fallback.
+    Expectation: No exception.
+    """
+    class Network(nn.Cell):
+        def __init__(self, fn):
+            super(Network, self).__init__()
+            self.fn = fn
+
+        def construct(self):
+            x = np.array([1, 2, 3])
+            y = np.array([3, 4, 5])
+            out = Tensor(self.fn(x, y))
+            return out
+
+    def fn(x, y):
+        return x + y
+
+    net = Network(fn)
+    out = net()
+    expect = np.array([4, 6, 8])
+    assert np.all(out.asnumpy() == expect)
+
+
+def test_fallback_self_attr_attr():
+    """
+    Feature: JIT Fallback
+    Description: In expressions supported by JIT Fallback, use the attribute of self.attr.
+    Expectation: No exception.
+    """
+    class Network(nn.Cell):
+        def __init__(self):
+            super(Network, self).__init__()
+            self.value = [2, 2, 3]
+
+        def construct(self):
+            x = np.array(self.value.count(2))
+            return Tensor(x)
+
+    net = Network()
+    out = net()
+    assert out == 2
+
+
+def test_fallback_self_method():
+    """
+    Feature: JIT Fallback
+    Description: Use self.method in expressions supported by JIT Fallback.
+    Expectation: No exception.
+    """
+    class Network(nn.Cell):
+        def construct(self):
+            x = np.array([1, 2, 3])
+            y = np.array([3, 4, 5])
+            out = Tensor(self.fn(x, y))
+            return out
+
+        def fn(self, x, y):
+            return x + y
+
+    net = Network()
+    out = net()
+    expect = np.array([4, 6, 8])
+    assert np.all(out.asnumpy() == expect)
+
+
+def test_fallback_import_modules():
+    """
+    Feature: JIT Fallback
+    Description: Check whether the call to the third-party library is correct. It has nothing to do with class.
+    Expectation: No exception.
+    """
+    @ms_function
+    def use_imported_module(x, y):
+        out = test_graph_fallback.add_func(x, y)
+        return out
+
+    x = Tensor(2, dtype=mstype.int32)
+    y = Tensor(3, dtype=mstype.int32)
+    out = use_imported_module(x, y)
+    print(out)