ast.literal_eval can properly evaluate complex numbers now. This fixes issue4907.
diff --git a/Lib/ast.py b/Lib/ast.py
index 6d92edd..d778a85 100644
--- a/Lib/ast.py
+++ b/Lib/ast.py
@@ -64,6 +64,18 @@
elif isinstance(node, Name):
if node.id in _safe_names:
return _safe_names[node.id]
+ elif isinstance(node, BinOp) and \
+ isinstance(node.op, (Add, Sub)) and \
+ isinstance(node.right, Num) and \
+ isinstance(node.right.n, complex) and \
+ isinstance(node.left, Num) and \
+ isinstance(node.left.n, (int, long, float)):
+ left = node.left.n
+ right = node.right.n
+ if isinstance(node.op, Add):
+ return left + right
+ else:
+ return left - right
raise ValueError('malformed string')
return _convert(node_or_string)