Align simple_eval with Python 3.10+ (fixes #1035)

sebastinas · sebastinas · commit 064ae933ee90 · 2025-09-26T16:54:24.000+02:00
diff --git a/bpython/simpleeval.py b/bpython/simpleeval.py
@@ -26,16 +26,13 @@
 """
 
 import ast
-import sys
 import builtins
-from typing import Dict, Any, Optional
+from typing import Any
 
 from . import line as line_properties
 from .inspection import getattr_safe
 
-_string_type_nodes = (ast.Str, ast.Bytes)
 _numeric_types = (int, float, complex)
-_name_type_nodes = (ast.Name,)
 
 
 class EvaluationError(Exception):
@@ -123,7 +120,7 @@ def _convert(node):
             return list()
 
         # this is a deviation from literal_eval: we allow non-literals
-        elif isinstance(node, _name_type_nodes):
+        elif isinstance(node, ast.Name):
             try:
                 return namespace[node.id]
             except KeyError:
@@ -147,7 +144,9 @@ def _convert(node):
         elif isinstance(node, ast.BinOp) and isinstance(
             node.op, (ast.Add, ast.Sub)
         ):
-            # ast.literal_eval does ast typechecks here, we use type checks
+            # this is a deviation from literal_eval: ast.literal_eval accepts
+            # (+/-) int, float and complex literals as left operand, and complex
+            # as right operation, we evaluate as much as possible
             left = _convert(node.left)
             right = _convert(node.right)
             if not (
