!5645 [bug][api]updata signature

Merge pull request !5645 from vlne-v1/ref_demo

mindspore/_extends/builtin_operations.py

@@ -20,7 +20,6 @@ from mindspore.common.tensor import Tensor
 import mindspore.common.dtype as mstype
 from mindspore.common.dtype import dtype_to_nptype, get_py_obj_dtype
 
-
 def scalar_add(x, y):
     """Implement `scalar_add`."""
     return x + y
@@ -117,25 +116,6 @@ def bool_or(x, y):
     return x or y
 
 
-def vm_compare(*args):
-    """Implement `vm_compare` for tensor."""
-    obj_str = args[-1]
-    if obj_str == "shape":
-        fn = getattr(args[0].asnumpy(), obj_str)
-        return fn
-    if len(args) == 2:
-        fn = getattr(args[0].asnumpy(), obj_str)
-        return Tensor(fn())
-    if isinstance(args[0], Tensor):
-        fn = getattr(args[0].asnumpy(), obj_str)
-        y = args[1].asnumpy() if isinstance(args[1], Tensor) else args[1]
-    else:
-        obj_str = "__r" + obj_str[2:]
-        fn = getattr(args[1].asnumpy(), obj_str)
-        y = args[0]
-    return Tensor(np.array(fn(y)))
-
-
 def make_list(*xs):
     """Implement `make_list`."""
     return list(xs)

mindspore/ccsrc/frontend/operator/composite/do_signature.cc

@@ -262,6 +262,7 @@ AnfNodePtr BuildNewCNode(const FuncGraphPtr &func_graph, const std::string &func
   std::set<size_t> write_indices;
   std::vector<TypePtr> input_types;
   op_inputs.push_back(NewValueNode(function));
+  auto cast_type = parse::GetMixedPrecisionTargetType(func_graph);
   // Assume, the write input of op is always the first input. We check if any write op,
   // and add cast op on other inputs to keep the same type with assigned parameter.
   for (size_t i = 0; i < args_spec_list.size(); ++i) {
@@ -280,7 +281,6 @@ AnfNodePtr BuildNewCNode(const FuncGraphPtr &func_graph, const std::string &func
 
     TypePtr type = args_spec_list[i]->BuildType();
     if (type && type->isa<RefType>()) {
-      auto cast_type = parse::GetMixedPrecisionTargetType(func_graph);
       if (sig == SignatureEnumRW::kRWRead) {
         auto source_tensor_type = type->cast<TensorTypePtr>();
         if (source_tensor_type != nullptr) {
@@ -300,8 +300,8 @@ AnfNodePtr BuildNewCNode(const FuncGraphPtr &func_graph, const std::string &func
       MS_EXCEPTION(TypeError) << "Function " << func_name << "'s input " << i << " should be a Parameter, but "
                               << type->ToString();
     }
-    MS_LOG(DEBUG) << "Function " << func_name << "'s input " << i << " " << param->DebugString(2) << " type "
-                  << args_spec_list[i]->ToString();
+    MS_LOG(DEBUG) << "Function " << func_name << "'s input " << i << " " << param->DebugString(2) << " abs "
+                  << args_spec_list[i]->ToString() << " type " << type->ToString();
     input_types.push_back(type);
     op_inputs.push_back(param);
   }

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

@@ -305,9 +305,6 @@ py::dict ConvertAbstractToPython(const AbstractBasePtr &abs_base) {
     dic[ATTR_SHAPE] = shape;
     dic[ATTR_DTYPE] = arg_slice->BuildType();
     dic[ATTR_VALUE] = BuildValue(arg_slice->BuildValue());
-  } else if (abs_base->isa<AbstractRef>()) {
-    auto value = abs_base->cast<AbstractRefPtr>()->ref();
-    dic = ConvertAbstractToPython(value);
   } else if (abs_base->isa<AbstractEllipsis>()) {
     dic[ATTR_SHAPE] = py::none();
     dic[ATTR_DTYPE] = py::ellipsis();

mindspore/ccsrc/pybind_api/ir/func_graph_py.cc

@@ -23,7 +23,7 @@ namespace mindspore {
 REGISTER_PYBIND_DEFINE(FuncGraph, ([](const pybind11::module *m) {
                          // Define python "MetaFuncGraph_" class
                          (void)py::class_<MetaFuncGraph, std::shared_ptr<MetaFuncGraph>>(*m, "MetaFuncGraph_")
-                           .def(py::init<std::string &>());
+                           .def("set_signatures", &MetaFuncGraph::set_signatures, "Set primitive inputs signature.");
                          // Define python "FuncGraph" class
                          (void)py::class_<FuncGraph, FuncGraphPtr>(*m, "FuncGraph")
                            .def(py::init())

mindspore/ccsrc/pybind_api/ir/primitive_py.cc

@@ -48,22 +48,9 @@ void SyncData(const py::object &arg) {
 }
 }  // namespace
 std::map<std::string, py::object> PrimitivePy::hook_grad_;
-static ValuePtr PyArgToValue(const py::object &arg) {
-  if (py::isinstance<SignatureEnumKind>(arg) &&
-      py::cast<SignatureEnumKind>(arg) == SignatureEnumKind::kKindEmptyDefaultValue) {
-    return nullptr;
-  }
-  return parse::data_converter::PyDataToValue(arg);
-}
 
-void PrimitivePy::set_signatures(
-  std::vector<std::tuple<std::string, SignatureEnumRW, SignatureEnumKind, py::object, SignatureEnumDType>> signatures) {
-  signatures_.clear();
-  for (auto &signature : signatures) {
-    auto [name, rw, kind, arg_default, dtype] = signature;
-    auto default_value = PyArgToValue(arg_default);
-    signatures_.emplace_back(name, rw, kind, default_value, dtype);
-  }
+void PrimitivePy::set_signatures(const std::vector<Signature> &signatures) {
+  signatures_ = signatures;
   set_has_signature(true);
 }
 

mindspore/ccsrc/pybind_api/ir/primitive_py.h

@@ -42,9 +42,7 @@ class PrimitivePy : public Primitive {
   MS_DECLARE_PARENT(PrimitivePy, Primitive);
   py::function GetBpropFunction();
 
-  void set_signatures(
-    std::vector<std::tuple<std::string, SignatureEnumRW, SignatureEnumKind, py::object, SignatureEnumDType>>
-      signatures);
+  void set_signatures(const std::vector<Signature> &signatures);
 
   const std::vector<Signature> &signatures() const { return signatures_; }
 

mindspore/ccsrc/pybind_api/ir/signature_py.cc

@@ -17,12 +17,26 @@
 #include "ir/signature.h"
 #include "pybind11/operators.h"
 #include "pybind_api/api_register.h"
+#include "pipeline/jit/parse/data_converter.h"
 
 namespace py = pybind11;
 
 namespace mindspore {
+static ValuePtr PyArgToValue(const py::object &arg) {
+  if (py::isinstance<SignatureEnumKind>(arg) &&
+      py::cast<SignatureEnumKind>(arg) == SignatureEnumKind::kKindEmptyDefaultValue) {
+    return nullptr;
+  }
+  return parse::data_converter::PyDataToValue(arg);
+}
 // Bind SignatureEnumRW as a python class.
 REGISTER_PYBIND_DEFINE(SignatureEnumRW, ([](const py::module *m) {
+                         (void)py::class_<Signature>(*m, "Signature")
+                           .def(py::init([](std::string name, SignatureEnumRW rw, SignatureEnumKind kind,
+                                            py::object arg_default, SignatureEnumDType dtype) {
+                             auto default_value = PyArgToValue(arg_default);
+                             return Signature(name, rw, kind, default_value, dtype);
+                           }));
                          (void)py::enum_<SignatureEnumRW>(*m, "signature_rw", py::arithmetic())
                            .value("RW_READ", SignatureEnumRW::kRWRead)
                            .value("RW_WRITE", SignatureEnumRW::kRWWrite)

mindspore/common/tensor.py

@@ -393,3 +393,24 @@ class SparseTensor:
     @property
     def dense_shape(self):
         return self.__dense_shape
+
+
+def _vm_compare(*args):
+    """Implement `vm_compare` for tensor."""
+    obj_str = args[-1]
+    if obj_str == "shape":
+        fn = getattr(args[0].asnumpy(), obj_str)
+        return fn
+    if len(args) == 2:
+        fn = getattr(args[0].asnumpy(), obj_str)
+        return Tensor(fn())
+    if isinstance(args[0], Tensor):
+        fn = getattr(args[0].asnumpy(), obj_str)
+        y = args[1].asnumpy() if isinstance(args[1], Tensor) else args[1]
+    else:
+        obj_str = "__r" + obj_str[2:]
+        fn = getattr(args[1].asnumpy(), obj_str)
+        y = args[0]
+    return Tensor(np.array(fn(y)))
+
+tensor_operator_registry.register('vm_compare', _vm_compare)

mindspore/ops/__init__.py

@@ -34,14 +34,17 @@ from .primitive import Primitive, PrimitiveWithInfer, prim_attr_register
 from .vm_impl_registry import get_vm_impl_fn, vm_impl_registry
 from .op_info_register import op_info_register, AkgGpuRegOp, AkgAscendRegOp, AiCPURegOp, TBERegOp, DataType
 from .primitive import constexpr
-from .._c_expression import signature_rw, signature_kind
+from . import composite, operations, functional
+from . import signature
 
 __primitive__ = [
-    "prim_attr_register", "Primitive", "PrimitiveWithInfer",
-    "signature_rw", "signature_kind"
+    "prim_attr_register", "Primitive", "PrimitiveWithInfer", "signature"
 ]
 
 __all__ = ["get_vm_impl_fn", "vm_impl_registry",
            "op_info_register", "AkgGpuRegOp", "AkgAscendRegOp", "AiCPURegOp", "TBERegOp", "DataType",
            "constexpr"]
 __all__.extend(__primitive__)
+__all__.extend(composite.__all__)
+__all__.extend(operations.__all__)
+__all__.extend(functional.__all__)

mindspore/ops/composite/base.py

@@ -25,9 +25,8 @@ from ..._c_expression import EnvInstance_, GradOperation_, HyperMap_, Map_, Mult
 from ...common import dtype as mstype
 from ...common.api import ms_function, _pynative_exec, _wrap_func
 from .. import functional as F
-from ...common.parameter import Parameter
 from ...common.tensor import Tensor
-
+from .. import signature as sig
 
 __all__ = [EnvInstance_, TupleAdd_, TupleSlice_, UnpackCall_, TupleGetItemTensor_]
 
@@ -348,6 +347,8 @@ class MultitypeFuncGraph(MultitypeFuncGraph_):
 
     Args:
         name (str): Operator name.
+        read_value (bool): If the registered function not need to set value on Parameter,
+            and all inputs will pass by value. Set `read_value` to True. Default: False.
 
     Raises:
         ValueError: Cannot find matching fn for the given args.
@@ -358,16 +359,15 @@ class MultitypeFuncGraph(MultitypeFuncGraph_):
         >>> add = MultitypeFuncGraph('add')
     """
 
-    def __init__(self, name):
+    def __init__(self, name, read_value=False):
         MultitypeFuncGraph_.__init__(self, name)
         self.entries = list()
+        if read_value:
+            self.set_signatures((
+                sig.make_sig('args', sig.sig_rw.RW_READ, sig.sig_kind.KIND_VAR_POSITIONAL),))
 
     def __call__(self, *args):
-        def unwrap(arg):
-            if isinstance(arg, Parameter):
-                return arg.data
-            return arg
-        types = tuple(map(lambda arg: mstype.get_py_obj_dtype(unwrap(arg)), args))
+        types = tuple(map(mstype.get_py_obj_dtype, args))
         for sigs, fn in self.entries:
             if len(sigs) != len(types):
                 continue

mindspore/ops/composite/multitype_ops/add_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-add = base.MultitypeFuncGraph('add')
+add = base.MultitypeFuncGraph('add', True)
 """`add` is a metafuncgraph object which will add two objects according to input type using ".register" decorator."""
 
 

mindspore/ops/composite/multitype_ops/div_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-div = base.MultitypeFuncGraph("div")
+div = base.MultitypeFuncGraph("div", True)
 """
 div is a metafuncgraph object which will div two objects according to input type
 using ".register" decorator

mindspore/ops/composite/multitype_ops/equal_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-equal = base.MultitypeFuncGraph("equal")
+equal = base.MultitypeFuncGraph("equal", True)
 """
 equal is a metafuncgraph object which will determine if two objects are equal according to input type
 using ".register" decorator

mindspore/ops/composite/multitype_ops/floordiv_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-floordiv = base.MultitypeFuncGraph("floordiv")
+floordiv = base.MultitypeFuncGraph("floordiv", True)
 """
 `floordiv` is a metafuncgraph object which will compute the floordiv of two objects
 using ".register" decorator.

mindspore/ops/composite/multitype_ops/getitem_impl.py

@@ -19,7 +19,7 @@ from .. import base
 from ... import functional as F
 
 
-getitem = base.MultitypeFuncGraph('getitem')
+getitem = base.MultitypeFuncGraph('getitem', True)
 """
 getitem is a metafuncgraph object which will get item from an object according to input type
 using ".register" decorator.

mindspore/ops/composite/multitype_ops/greater_equal_impl.py

@@ -19,7 +19,7 @@ from mindspore.ops import functional as F
 
 # greater_equal is a metagraph object which will determine if two objects are greater_equal according to input type
 # using ".register" decorator
-greater_equal = base.MultitypeFuncGraph("greater_equal")
+greater_equal = base.MultitypeFuncGraph("greater_equal", True)
 
 
 @greater_equal.register("Number", "Number")

mindspore/ops/composite/multitype_ops/greater_impl.py

@@ -19,7 +19,7 @@ from mindspore.ops import functional as F
 
 # greater is a metafuncgraph object which will determine if two objects are greater according to input type
 # using ".register" decorator
-greater = base.MultitypeFuncGraph("greater")
+greater = base.MultitypeFuncGraph("greater", True)
 
 
 @greater.register("Number", "Number")

mindspore/ops/composite/multitype_ops/in_impl.py

@@ -19,7 +19,7 @@ from . import _constexpr_utils as const_utils
 from ... import functional as F
 from ...composite import base
 
-in_ = base.MultitypeFuncGraph("in")
+in_ = base.MultitypeFuncGraph("in", True)
 """
 in_ is a metafuncgraph object which will determine if a in b
 using ".register" decorator

mindspore/ops/composite/multitype_ops/less_equal_impl.py

@@ -19,7 +19,7 @@ from mindspore.ops import functional as F
 
 # less_equal is a metagraph object which will determine if two objects are less_equal according to input type
 # using ".register" decorator
-less_equal = base.MultitypeFuncGraph("less_equal")
+less_equal = base.MultitypeFuncGraph("less_equal", True)
 
 
 @less_equal.register("Number", "Number")

mindspore/ops/composite/multitype_ops/less_impl.py

@@ -19,7 +19,7 @@ from mindspore.ops import functional as F
 
 # less is a metafuncgraph object which will determine if two objects are less according to input type
 # using ".register" decorator
-less = base.MultitypeFuncGraph("less")
+less = base.MultitypeFuncGraph("less", True)
 
 
 @less.register("Number", "Number")

mindspore/ops/composite/multitype_ops/logic_not_impl.py

@@ -19,7 +19,7 @@ from mindspore.ops import functional as F
 
 # logical_not is a metagraph object which will generate function according to input type
 # using ".register" decorator
-logical_not = base.MultitypeFuncGraph("logical_not")
+logical_not = base.MultitypeFuncGraph("logical_not", True)
 
 
 @logical_not.register("Number")

mindspore/ops/composite/multitype_ops/logical_and_impl.py

@@ -19,7 +19,7 @@ from mindspore.ops import functional as F
 
 # logical_and is a metagraph object which will generate function according to input type
 # using ".register" decorator
-logical_and = base.MultitypeFuncGraph("logical_and")
+logical_and = base.MultitypeFuncGraph("logical_and", True)
 
 
 @logical_and.register("Number", "Number")

mindspore/ops/composite/multitype_ops/logical_or_impl.py

@@ -19,7 +19,7 @@ from mindspore.ops import functional as F
 
 # logical_or is a metagraph object which will generate function according to input type
 # using ".register" decorator
-logical_or = base.MultitypeFuncGraph("logical_or")
+logical_or = base.MultitypeFuncGraph("logical_or", True)
 
 
 @logical_or.register("Number", "Number")

mindspore/ops/composite/multitype_ops/mod_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-mod = base.MultitypeFuncGraph("mod")
+mod = base.MultitypeFuncGraph("mod", True)
 """
 `mod` is a metafuncgraph object which will compute the mod of two objects
 using ".register" decorator.

mindspore/ops/composite/multitype_ops/mul_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-mul = base.MultitypeFuncGraph("mul")
+mul = base.MultitypeFuncGraph("mul", True)
 """
 `mul` is a metafuncgraph object which will multiply two objects according to input type
 using ".register" decorator.

mindspore/ops/composite/multitype_ops/negative_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-negative = base.MultitypeFuncGraph("negative")
+negative = base.MultitypeFuncGraph("negative", True)
 """
 `negative` is a metafuncgraph object which will give the negative of an object according to its input type
 using ".register" decorator.

mindspore/ops/composite/multitype_ops/not_equal_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-not_equal = base.MultitypeFuncGraph("not_equal")
+not_equal = base.MultitypeFuncGraph("not_equal", True)
 """
 not_equal is a metafuncgraph object which will determine if two objects are not_equal according to input type
 using ".register" decorator

mindspore/ops/composite/multitype_ops/ones_like_impl.py

@@ -22,7 +22,7 @@ from ... import functional as F
 from ... import operations as P
 
 
-ones_like_leaf = base.MultitypeFuncGraph('ones_like_leaf')
+ones_like_leaf = base.MultitypeFuncGraph('ones_like_leaf', True)
 """
 `ones_like_leaf` is a metafuncgraph object which will generate a tensor filled with one according to its input type
 using ".register" decorator.

mindspore/ops/composite/multitype_ops/pow_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-pow_ = base.MultitypeFuncGraph("pow")
+pow_ = base.MultitypeFuncGraph("pow", True)
 """
 `pow` is a metafuncgraph object which will compute the pow of two objects
 using ".register" decorator.

mindspore/ops/composite/multitype_ops/sub_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-sub = base.MultitypeFuncGraph("sub")
+sub = base.MultitypeFuncGraph("sub", True)
 """
 `sub` is a metafuncgraph object which will compute the subtraction of two objects
 using ".register" decorator.

mindspore/ops/composite/multitype_ops/uadd_impl.py

@@ -18,7 +18,7 @@ from mindspore.ops.composite import base
 
 # uadd is a metagraph object which will return operation result regarding input
 # using ".register" decorator
-uadd = base.MultitypeFuncGraph("uadd")
+uadd = base.MultitypeFuncGraph("uadd", True)
 
 @uadd.register("Tensor")
 @uadd.register("Number")

mindspore/ops/composite/multitype_ops/zeros_like_impl.py

@@ -19,7 +19,7 @@ from ...composite import base
 from ... import functional as F
 
 
-zeros_like_leaf = base.MultitypeFuncGraph('zeros_like_leaf')
+zeros_like_leaf = base.MultitypeFuncGraph('zeros_like_leaf', True)
 """
 `zeros_like_leaf` is a metafuncgraph object which will generate a tensor filled with one according to its input type
 using ".register" decorator.

mindspore/ops/functional.py

@@ -21,7 +21,6 @@ from mindspore.common._register_for_tensor import tensor_operator_registry
 from .primitive import Primitive
 from . import operations as P
 from .operations import _grad_ops
-from .._extends import builtin_operations as BP
 
 typeof = Primitive('typeof')
 hastype = Primitive('hastype')
@@ -182,5 +181,6 @@ tensor_operator_registry.register('__gt__', tensor_gt)
 tensor_operator_registry.register('__ge__', tensor_ge)
 tensor_operator_registry.register('shape', shape)
 # support GE backend for no compare operators
-tensor_operator_registry.register('vm_compare', BP.vm_compare)
 tensor_operator_registry.register('cast', cast)
+
+__all__ = [name for name in dir() if name[0] != "_"]

mindspore/ops/operations/_grad_ops.py

@@ -15,8 +15,7 @@
 
 """Operators for gradients."""
 
-from ..._c_expression import signature_rw as sig_rw
-from ..._c_expression import signature_kind as sig_kind
+from .. import signature as sig
 from ..primitive import Primitive, PrimitiveWithInfer, prim_attr_register
 from ..._checkparam import Validator as validator, Rel
 from .._utils import get_concat_offset
@@ -1500,7 +1499,7 @@ class RefToEmbed(Primitive):
         >>>         return key, self.weight
     """
     __mindspore_signature__ = (
-        ('variable', sig_rw.RW_REF, sig_kind.KIND_POSITIONAL_KEYWORD),
+        sig.make_sig('variable', sig.sig_rw.RW_REF),
     )
 
     @prim_attr_register

mindspore/ops/operations/array_ops.py

@@ -28,10 +28,7 @@ import numpy as np
 from .._utils import get_concat_offset
 from ..operations.math_ops import _infer_shape_reduce
 from ..primitive import Primitive, PrimitiveWithInfer, PrimitiveWithCheck, prim_attr_register, _run_op
-from ..._c_expression import signature_dtype as sig_dtype
-from ..._c_expression import signature_kind as sig_kind
-from ..._c_expression import signature_rw as sig_rw
-from ..._c_expression import typing
+from .. import signature as sig
 from ..._checkparam import Rel
 from ..._checkparam import Validator as validator
 from ...common import dtype as mstype
@@ -44,9 +41,9 @@ class _ScatterOp(PrimitiveWithInfer):
     Define Scatter operators
     """
     __mindspore_signature__ = (
-        ('x', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1),
-        ('updates', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('x', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T1),
+        sig.make_sig('updates', dtype=sig.sig_dtype.T)
     )
 
     def _check_scatter_shape(self, x_shape, indices_shape, updates_shape, prim_name):
@@ -1396,7 +1393,7 @@ class Tile(PrimitiveWithInfer):
         validator.check_value_type("shape", multiples_v, [tuple], self.name)
         for i, multiple in enumerate(multiples_v):
             validator.check_value_type("multiples[%d]" % i, multiple, [int], self.name)
-        validator.check_value_type("x[\'dtype\']", x["dtype"], typing.TensorType, self.name)
+        validator.check_value_type("x[\'dtype\']", x["dtype"], mstype.tensor_type, self.name)
         len_sub = len(multiples_v) - len(x_shp)
         multiples_w = None
         if len_sub == 0:

mindspore/ops/operations/math_ops.py

@@ -18,9 +18,7 @@
 import copy
 import numpy as np
 from ... import context
-from ..._c_expression import signature_rw as sig_rw
-from ..._c_expression import signature_kind as sig_kind
-from ..._c_expression import signature_dtype as sig_dtype
+from .. import signature as sig
 from ..._checkparam import Validator as validator
 from ..._checkparam import Rel
 from ...common import dtype as mstype
@@ -68,7 +66,7 @@ class _BinaryOp(PrimitiveWithInfer):
     Define binary operators.
     """
 
-    __mindspore_signature__ = (sig_dtype.T, sig_dtype.T)
+    __mindspore_signature__ = (sig.sig_dtype.T, sig.sig_dtype.T)
 
     @prim_attr_register
     def __init__(self):
@@ -186,8 +184,8 @@ class AssignAdd(PrimitiveWithInfer):
         >>> net(value)
     """
     __mindspore_signature__ = (
-        ('variable', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('value', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('x', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('value', dtype=sig.sig_dtype.T)
     )
 
     @prim_attr_register
@@ -237,8 +235,8 @@ class AssignSub(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('variable', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('value', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('variable', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('value', dtype=sig.sig_dtype.T)
     )
 
     @prim_attr_register
@@ -264,8 +262,8 @@ class _Reduce(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('input_x', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD),
-        ('axis', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, ()),
+        sig.make_sig('input_x'),
+        sig.make_sig('axis', default=())
     )
 
     @prim_attr_register

mindspore/ops/operations/nn_ops.py

@@ -22,9 +22,7 @@ from functools import reduce
 import numpy as np
 
 from ... import context
-from ..._c_expression import signature_rw as sig_rw
-from ..._c_expression import signature_kind as sig_kind
-from ..._c_expression import signature_dtype as sig_dtype
+from .. import signature as sig
 from ..._checkparam import Validator as validator
 from ..._checkparam import Rel
 from ...common import dtype as mstype
@@ -679,11 +677,11 @@ class FusedBatchNormEx(PrimitiveWithInfer):
         >>> output = op(input_x, scale, bias, mean, variance)
     """
     __mindspore_signature__ = (
-        ('input_x', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T2),
-        ('scale', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('bias', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('mean', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('variance', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
+        sig.make_sig('input_x', dtype=sig.sig_dtype.T2),
+        sig.make_sig('scale', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('bias', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('mean', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('variance', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -1722,13 +1720,11 @@ class ApplyMomentum(PrimitiveWithInfer):
         Please refer to the usage in nn.ApplyMomentum.
     """
     __mindspore_signature__ = (
-        ('variable', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accumulation', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('learning_rate', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T1),
-        ('gradient', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('momentum', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T2)
+        sig.make_sig('variable', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accumulation', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('learning_rate', dtype=sig.sig_dtype.T1),
+        sig.make_sig('gradient', dtype=sig.sig_dtype.T),
+        sig.make_sig('momentum', dtype=sig.sig_dtype.T2),
     )
 
     @prim_attr_register
@@ -3146,23 +3142,17 @@ class FusedSparseAdam(PrimitiveWithInfer):
         >>> result = net(beta1_power, beta2_power, lr, beta1, beta2, epsilon, gradient, indices)
     """
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('m', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('v', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('beta1_power', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('beta2_power', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('beta1', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('beta2', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('epsilon', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('m', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('v', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('beta1_power', dtype=sig.sig_dtype.T),
+        sig.make_sig('beta2_power', dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T),
+        sig.make_sig('beta1', dtype=sig.sig_dtype.T),
+        sig.make_sig('beta2', dtype=sig.sig_dtype.T),
+        sig.make_sig('epsilon', dtype=sig.sig_dtype.T),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T1),
     )
 
     @prim_attr_register
@@ -3285,23 +3275,17 @@ class FusedSparseLazyAdam(PrimitiveWithInfer):
         >>> result = net(beta1_power, beta2_power, lr, beta1, beta2, epsilon, gradient, indices)
     """
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('m', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('v', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('beta1_power', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('beta2_power', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('beta1', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('beta2', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('epsilon', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('m', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('v', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('beta1_power', dtype=sig.sig_dtype.T),
+        sig.make_sig('beta2_power', dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T),
+        sig.make_sig('beta1', dtype=sig.sig_dtype.T),
+        sig.make_sig('beta2', dtype=sig.sig_dtype.T),
+        sig.make_sig('epsilon', dtype=sig.sig_dtype.T),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T1),
     )
 
     @prim_attr_register
@@ -3394,11 +3378,11 @@ class FusedSparseFtrl(PrimitiveWithInfer):
         >>> output = net(grad, indices)
     """
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('linear', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('linear', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T1),
     )
 
     @prim_attr_register
@@ -3492,13 +3476,13 @@ class FusedSparseProximalAdagrad(PrimitiveWithInfer):
         >>> output = net(grad, indices)
     """
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('l1', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('l2', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T),
+        sig.make_sig('l1', dtype=sig.sig_dtype.T),
+        sig.make_sig('l2', dtype=sig.sig_dtype.T),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T1),
     )
 
     @prim_attr_register
@@ -3754,16 +3738,15 @@ class ApplyAdaMax(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('m', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('v', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('beta1_power', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T1),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T2),
-        ('beta1', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T3),
-        ('beta2', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T4),
-        ('epsilon', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T5),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('m', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('v', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('beta1_power', dtype=sig.sig_dtype.T1),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T2),
+        sig.make_sig('beta1', dtype=sig.sig_dtype.T3),
+        sig.make_sig('beta2', dtype=sig.sig_dtype.T4),
+        sig.make_sig('epsilon', dtype=sig.sig_dtype.T5),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -3873,14 +3856,13 @@ class ApplyAdadelta(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum_update', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1),
-        ('rho', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T2),
-        ('epsilon', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T3),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum_update', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T1),
+        sig.make_sig('rho', dtype=sig.sig_dtype.T2),
+        sig.make_sig('epsilon', dtype=sig.sig_dtype.T3),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -3971,10 +3953,10 @@ class ApplyAdagrad(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T1),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -4054,10 +4036,10 @@ class ApplyAdagradV2(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T1),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -4137,10 +4119,10 @@ class SparseApplyAdagrad(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T1),
     )
 
     @prim_attr_register
@@ -4224,10 +4206,10 @@ class SparseApplyAdagradV2(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T1),
     )
 
     @prim_attr_register
@@ -4313,12 +4295,12 @@ class ApplyProximalAdagrad(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1),
-        ('l1', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T2),
-        ('l2', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T3),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T1),
+        sig.make_sig('l1', dtype=sig.sig_dtype.T2),
+        sig.make_sig('l2', dtype=sig.sig_dtype.T3),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -4418,13 +4400,13 @@ class SparseApplyProximalAdagrad(PrimitiveWithCheck):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1),
-        ('l1', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T2),
-        ('l2', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T3),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T4)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T1),
+        sig.make_sig('l1', dtype=sig.sig_dtype.T2),
+        sig.make_sig('l2', dtype=sig.sig_dtype.T3),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T4),
     )
 
     @prim_attr_register
@@ -4508,14 +4490,13 @@ class ApplyAddSign(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('m', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1),
-        ('alpha', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T2),
-        ('sign_decay', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T3),
-        ('beta', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T4),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('m', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T1),
+        sig.make_sig('alpha', dtype=sig.sig_dtype.T2),
+        sig.make_sig('sign_decay', dtype=sig.sig_dtype.T3),
+        sig.make_sig('beta', dtype=sig.sig_dtype.T3),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -4618,14 +4599,13 @@ class ApplyPowerSign(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('m', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('lr', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('logbase', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('sign_decay', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE,
-         sig_dtype.T),
-        ('beta', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('m', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('lr', dtype=sig.sig_dtype.T),
+        sig.make_sig('logbase', dtype=sig.sig_dtype.T),
+        sig.make_sig('sign_decay', dtype=sig.sig_dtype.T),
+        sig.make_sig('beta', dtype=sig.sig_dtype.T),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -4704,9 +4684,9 @@ class ApplyGradientDescent(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('alpha', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1),
-        ('delta', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('alpha', dtype=sig.sig_dtype.T1),
+        sig.make_sig('delta', dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -4777,11 +4757,11 @@ class ApplyProximalGradientDescent(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('alpha', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1),
-        ('l1', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T2),
-        ('l2', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T3),
-        ('delta', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('alpha', dtype=sig.sig_dtype.T1),
+        sig.make_sig('l1', dtype=sig.sig_dtype.T2),
+        sig.make_sig('l2', dtype=sig.sig_dtype.T3),
+        sig.make_sig('delta', dtype=sig.sig_dtype.T),
     )
 
     @prim_attr_register
@@ -5032,11 +5012,11 @@ class SparseApplyFtrl(PrimitiveWithCheck):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('linear', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('linear', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T1),
     )
 
     @prim_attr_register
@@ -5126,11 +5106,11 @@ class SparseApplyFtrlV2(PrimitiveWithInfer):
     """
 
     __mindspore_signature__ = (
-        ('var', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('accum', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('linear', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('grad', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('indices', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T1)
+        sig.make_sig('var', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('accum', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('linear', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('grad', dtype=sig.sig_dtype.T),
+        sig.make_sig('indices', dtype=sig.sig_dtype.T1),
     )
 
     @prim_attr_register

mindspore/ops/operations/other_ops.py

@@ -15,9 +15,7 @@
 
 """Other operators."""
 import functools
-from ..._c_expression import signature_rw as sig_rw
-from ..._c_expression import signature_kind as sig_kind
-from ..._c_expression import signature_dtype as sig_dtype
+from .. import signature as sig
 from ..._checkparam import Validator as validator, Rel
 from ...common import dtype as mstype
 from ..primitive import Primitive, PrimitiveWithInfer, prim_attr_register
@@ -53,8 +51,8 @@ class Assign(Primitive):
         >>> net(x)
     """
     __mindspore_signature__ = (
-        ('variable', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('value', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T)
+        sig.make_sig('variable', sig.sig_rw.RW_WRITE, dtype=sig.sig_dtype.T),
+        sig.make_sig('value', dtype=sig.sig_dtype.T)
     )
 
     @prim_attr_register

mindspore/ops/primitive.py

@@ -14,17 +14,13 @@
 # ============================================================================
 
 """primitive"""
-
 import inspect
 import copy
 from mindspore.common.api import _wrap_func
 from mindspore.common._register_for_tensor import tensor_operator_registry
 from mindspore import context
 from .._c_expression import Primitive_, real_run_op, prim_type
-from .._c_expression import signature_rw as sig_rw
-from .._c_expression import signature_kind as sig_kind
-from .._c_expression import signature_dtype as sig_dtype
-
+from . import signature as sig
 
 class Primitive(Primitive_):
     """
@@ -54,24 +50,21 @@ class Primitive(Primitive_):
         self._update_parameter = False
         Primitive_.__init__(self, name, self)
         if hasattr(self.__class__, '__mindspore_signature__'):
-            sig = self._fill_signature(self.__class__.__mindspore_signature__)
-            self.set_signatures(sig)
+            out = self._fill_signature(self.__class__.__mindspore_signature__)
+            self.set_signatures(out)
 
     def _fill_signature(self, signatures):
         """fills signature."""
         signatures_new = []
         for signature in signatures:
-            if isinstance(signature, sig_dtype):
-                signatures_new.append(("argument", sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD,
-                                       sig_kind.KIND_EMPTY_DEFAULT_VALUE, signature))
+            if isinstance(signature, sig.Signature):
+                signatures_new.append(signature)
+            elif isinstance(signature, sig.sig_dtype):
+                signatures_new.append(sig.make_sig(dtype=signature))
             else:
                 if len(signature) < 3:
                     raise ValueError(f"[Internal Error]Signature for one parameter len must > 3, but {signature}")
-                if len(signature) == 3:
-                    signature += (sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T_EMPTY_DEFAULT_VALUE)
-                if len(signature) == 4:
-                    signature += (sig_dtype.T_EMPTY_DEFAULT_VALUE,)
-                signatures_new.append(signature)
+                signatures_new.append(sig.make_sig(*signature))
         return tuple(signatures_new)
 
     def _clone(self):

mindspore/ops/signature.py

@@ -0,0 +1,54 @@
+# Copyright 2020 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.
+# ============================================================================
+
+"""signature"""
+
+from .._c_expression import signature_rw as sig_rw
+from .._c_expression import signature_kind as sig_kind
+from .._c_expression import signature_dtype as sig_dtype
+from .._c_expression import Signature
+
+
+def make_sig(name="var", rw=sig_rw.RW_READ,
+             kind=sig_kind.KIND_POSITIONAL_KEYWORD,
+             default=sig_kind.KIND_EMPTY_DEFAULT_VALUE,
+             dtype=sig_dtype.T_EMPTY_DEFAULT_VALUE):
+    """
+    Make signature for one argument.
+
+    See `ApplyMomentum` in `mindspore.ops.operation.nn_ops` as a example.
+
+    Args:
+         name (bool): Argument name. Default: "var".
+         rw (:class:`mindspore.ops.signature.sig_rw`): Tag the argument attribute for write and read. Choose in
+            [sig_rw.RW_READ, sig_rw.RW_WRITE, sig_rw.RW_REF]`, tag if the argument will update the input.
+            `sig_rw.RW_READ` for read only argument and `sig_rw.RW_WRITE` for write only argument. `sig_rw.RW_READ`
+            for the argument both need read and write. Default: sig_rw.RW_READ.
+         kind (:class:`mindspore.ops.signature.kind`): Choose in `[signature_kind.KIND_POSITIONAL_KEYWORD,
+            signature_kind.KIND_VAR_POSITIONAL, signature_kind.KIND_KEYWORD_ONLY, signature_kind.KIND_VAR_KEYWARD]`.
+            The meaning is the same as python argument kind, please refer to the python document.
+            Default: sig_kind.KIND_POSITIONAL_KEYWORD.
+         default (Any): The default value of argument or `sig_kind.KIND_EMPTY_DEFAULT_VALUE` for no default value.
+            Default: sig_kind.KIND_EMPTY_DEFAULT_VALUE.
+         dtype (:class:`mindspore.ops.signature.sig_dtype`): Choose in `signature_dtype.T` or
+            `signature_dtype.T1` to `signature_dtype.T9` or `sig_dtype.T_EMPTY_DEFAULT_VALUE` for no constraints.
+            If the signature of one argument is the same as another argument, we will perform auto type convert
+            between them. If any `sig_rw.RW_WRITE` argument, we will try to convert the other arguments to the
+            `sig_rw.RW_WRITE` argument. Default: sig_dtype.T_EMPTY_DEFAULT_VALUE.
+
+    Returns:
+        :class:`mindspore.ops.signature.Signature`, signature for one argument.
+    """
+    return Signature(name, rw, kind, default, dtype)

tests/ut/python/model/test_mix_precision.py

@@ -136,13 +136,15 @@ class NetForCast(nn.Cell):
         super(NetForCast, self).__init__()
         self.concat = P.Concat()
         self.x1 = Tensor(1.0, mstype.float32)
+        self.x2 = Parameter(Tensor(np.zeros([1, 10]).astype(np.float32)), name='x2')
 
     def construct(self, x0):
-        x = self.x1 * x0
+        x = self.x1 * x0 * self.x2
         return x
 
 
 def test_cast():
+    context.set_context(save_graphs=True)
     x = Tensor(np.ones([1, 16, 10, 10]).astype(np.float32) * 0.01)
     net = NetForCast()
     net.add_flags_recursive(fp16=True)

tests/ut/python/ops/test_array_ops.py

@@ -16,9 +16,7 @@
 import functools
 import numpy as np
 import pytest
-from mindspore._c_expression import signature_dtype as sig_dtype
-from mindspore._c_expression import signature_kind as sig_kind
-from mindspore._c_expression import signature_rw as sig_rw
+from mindspore.ops.signature import sig_rw, sig_dtype, make_sig
 
 import mindspore as ms
 from mindspore import Tensor
@@ -126,9 +124,9 @@ class CustomOP(PrimitiveWithInfer):
 
 class CustomOP2(PrimitiveWithInfer):
     __mindspore_signature__ = (
-        ('p1', sig_rw.RW_WRITE, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('p2', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
-        ('p3', sig_rw.RW_READ, sig_kind.KIND_POSITIONAL_KEYWORD, sig_kind.KIND_EMPTY_DEFAULT_VALUE, sig_dtype.T),
+        make_sig('p1', sig_rw.RW_WRITE, dtype=sig_dtype.T),
+        make_sig('p2', dtype=sig_dtype.T),
+        make_sig('p3', dtype=sig_dtype.T),
     )
 
     @prim_attr_register