fix inference not have python (#46085)

paddle/fluid/eager/tensor_wrapper.h

@@ -27,9 +27,11 @@
 #pragma once
 #include "paddle/fluid/eager/autograd_meta.h"
 #include "paddle/fluid/eager/grad_node_info.h"
-#include "paddle/fluid/eager/saved_tensors_hooks.h"
 #include "paddle/fluid/eager/utils.h"
 #include "paddle/phi/api/lib/utils/allocator.h"
+#ifndef PADDLE_NO_PYTHON
+#include "paddle/fluid/eager/saved_tensors_hooks.h"
+#endif
 
 namespace egr {
 class TensorWrapper {
@@ -70,6 +72,7 @@ class TensorWrapper {
             "Unrecognized tensor type for no_need_buffer feature"));
       }
     } else {
+#ifndef PADDLE_NO_PYTHON
       if (SavedTensorsHooks::GetInstance().IsEnable() &&
           tensor.is_dense_tensor()) {
         phi::DenseTensor* dense_tensor =
@@ -82,8 +85,11 @@ class TensorWrapper {
         unpack_hook_ = SavedTensorsHooks::GetInstance().GetUnPackHook();
         packed_value_ = reinterpret_cast<PyObject*>((*pack_hook)(tensor));
       } else {
+#endif
         intermidiate_tensor_.set_impl(tensor.impl());
+#ifndef PADDLE_NO_PYTHON
       }
+#endif
     }
 
     if (VLOG_IS_ON(7)) {
@@ -99,7 +105,7 @@ class TensorWrapper {
       weak_grad_node_ = tensor_autograd_meta->GetMutableGradNode();
     }
   }
-
+#ifndef PADDLE_NO_PYTHON
   TensorWrapper(const TensorWrapper& other) {
     no_need_buffer_ = other.no_need_buffer_;
     intermidiate_tensor_ = other.intermidiate_tensor_;
@@ -122,7 +128,7 @@ class TensorWrapper {
   }
 
   ~TensorWrapper() { Py_XDECREF(packed_value_); }
-
+#endif
   paddle::experimental::Tensor recover() {
     VLOG(6) << "Recover tensor: " << intermidiate_tensor_.name()
             << " for wrapper";
@@ -130,7 +136,7 @@ class TensorWrapper {
       VLOG(6) << "Return NULL tensor Here. ";
       return paddle::experimental::Tensor();
     }
-
+#ifndef PADDLE_NO_PYTHON
     if (packed_value_ && unpack_hook_) {
       auto tensor_unpacked =
           (*unpack_hook_)(reinterpret_cast<void*>(packed_value_));
@@ -139,8 +145,11 @@ class TensorWrapper {
       static_cast<phi::DenseTensor*>(intermidiate_tensor_.impl().get())
           ->ResetHolder(src_dense_tensor->MoveMemoryHolder());
     } else {
+#endif
       check_inplace_version();
+#ifndef PADDLE_NO_PYTHON
     }
+#endif
 
     paddle::experimental::Tensor recovered_tensor = intermidiate_tensor_;
 
@@ -214,7 +223,12 @@ class TensorWrapper {
   paddle::experimental::Tensor intermidiate_tensor_;
   std::weak_ptr<egr::GradNodeBase> weak_grad_node_;
   uint32_t inplace_version_snapshot_ = 0;
+#ifndef PADDLE_NO_PYTHON
   PyObject* packed_value_{nullptr};
   std::shared_ptr<UnPackHookBase> unpack_hook_;
+#else
+  void* packed_value_{nullptr};
+  std::shared_ptr<void> unpack_hook_;
+#endif
 };
 }  // namespace egr