!12505 add exception description for assign subnet parameter

From: @zhangbuxue
Reviewed-by: @ginfung,@zh_qh
Signed-off-by: @zh_qh

mindspore/_extends/parse/parser.py

@@ -66,6 +66,7 @@ AST_SUB_TYPE_NAME = 5                  # ast.Name
 AST_SUB_TYPE_TUPLE = 6                 # ast.Tuple
 AST_SUB_TYPE_SUBSCRIPT = 7             # ast.Subscript
 AST_SUB_TYPE_STARRED = 8               # ast.Starred
+AST_SUB_TYPE_ATTRIBUTE = 9             # ast.Attribute
 AST_SUB_TYPE_UNKNOWN = 0xFF            # unknown
 
 # Process expr statement white list
@@ -456,6 +457,8 @@ class Parser:
             ast_type = AST_SUB_TYPE_SUBSCRIPT
         elif isinstance(node, ast.Starred):
             ast_type = AST_SUB_TYPE_STARRED
+        elif isinstance(node, ast.Attribute):
+            ast_type = AST_SUB_TYPE_ATTRIBUTE
         else:
             ast_type = AST_SUB_TYPE_UNKNOWN
         return ast_type

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

@@ -1588,6 +1588,9 @@ void Parser::WriteAssignVars(const FunctionBlockPtr &block, const py::object &ta
     HandleAssignSubscript(block, targ, value_node);
   } else if (ast_->IsClassMember(targ)) {
     HandleAssignClassMember(block, targ, value_node);
+  } else if (ast_type == AST_SUB_TYPE_ATTRIBUTE) {
+    MS_LOG(EXCEPTION) << "The subnet attributes cannot be changed in the network"
+                      << " NodeInfo: " << trace::GetDebugInfo(value_node->debug_info());
   } else {
     MS_LOG(EXCEPTION) << "Not supported assign type: " << ast_type
                       << " NodeInfo: " << trace::GetDebugInfo(value_node->debug_info());

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

@@ -42,6 +42,7 @@ enum AstSubType : int64_t {
   AST_SUB_TYPE_TUPLE = 6,      // ast.Tuple
   AST_SUB_TYPE_SUBSCRIPT = 7,  // ast.Subscript
   AST_SUB_TYPE_STARRED = 8,    // ast.Starred
+  AST_SUB_TYPE_ATTRIBUTE = 9,  // ast.Attribute
   AST_SUB_TYPE_UNKNOWN = 0xFF  // Error
 };
 
@@ -147,7 +148,7 @@ const char RESOLVE_NAMESPACE_NAME_MODULE[] = "Module";             // fro Module
 // define Resolve type
 enum ResolveTypeDef : int64_t {
   RESOLVE_TYPE_NONE = 0,            // resolve None
-  RESOLVE_TYPE_FUNCTION = 1,        // reslove function
+  RESOLVE_TYPE_FUNCTION = 1,        // resolve function
   RESOLVE_TYPE_METHOD = 2,          // resolve class method
   RESOLVE_TYPE_CLASS_TYPE = 3,      // resolve class type
   RESOLVE_TYPE_CLASS_INSTANCE = 4,  // resolve the class instance of common class