FIX: Remove deprecated ast.Str

modelx/core/formula.py

@@ -1,5 +1,5 @@
 # Copyright (c) 2017-2024 Fumito Hamamura <[email protected]>
-
+import sys
 # This library is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation version 3.
@@ -202,8 +202,14 @@ def replace_docstring(source: str, docstr: str, insert_indents=False):
 
         docstr = "\n".join(lines)
 
-        if isinstance(first_stmt, ast.Expr) and isinstance(
-                first_stmt.value, ast.Str):     # Has docstring
+        if sys.version_info >= (3, 8, 0):
+            has_docstring = isinstance(first_stmt, ast.Expr) and isinstance(
+                first_stmt.value, ast.Constant) and isinstance(first_stmt.value.value, str)
+        else:
+            has_docstring = isinstance(first_stmt, ast.Expr) and isinstance(
+                first_stmt.value, ast.Str)
+
+        if has_docstring:     # Has docstring
 
             src_front = source[:prev_token.startpos]
             src_back = source[first_stmt.first_token.endpos:]
@@ -216,8 +222,14 @@ def replace_docstring(source: str, docstr: str, insert_indents=False):
 
     else:    # single line
 
-        if isinstance(first_stmt, ast.Expr) and isinstance(
-                first_stmt.value, ast.Str):     # Has docstring
+        if sys.version_info >= (3, 8, 0):
+            has_docstring = isinstance(first_stmt, ast.Expr) and isinstance(
+                first_stmt.value, ast.Constant) and isinstance(first_stmt.value.value, str)
+        else:
+            has_docstring = isinstance(first_stmt, ast.Expr) and isinstance(
+                first_stmt.value, ast.Str)
+
+        if has_docstring:     # Has docstring
 
             src_front = source[:first_stmt.first_token.startpos]
             src_back = source[first_stmt.first_token.endpos:]

modelx/serialize/serializer_4.py

@@ -1236,8 +1236,12 @@ class DocstringParser(BaseNodeParser):
     @classmethod
     def condition(cls, node, section, atok):
         if isinstance(node, cls.AST_NODE):
-            if isinstance(node.value, ast.Str):
-                return True
+            if sys.version_info >= (3, 8, 0):
+                if isinstance(node.value, ast.Constant) and isinstance(node.value.value, str):
+                    return True
+            else:
+                if isinstance(node.value, ast.Str):
+                    return True
 
         return False
 

modelx/serialize/serializer_5.py

@@ -1242,8 +1242,12 @@ class DocstringParser(BaseNodeParser):
     @classmethod
     def condition(cls, node, section, atok):
         if isinstance(node, cls.AST_NODE):
-            if isinstance(node.value, ast.Str):
-                return True
+            if sys.version_info >= (3, 8, 0):
+                if isinstance(node.value, ast.Constant) and isinstance(node.value.value, str):
+                    return True
+            else:
+                if isinstance(node.value, ast.Str):
+                    return True
 
         return False