Teach the compiler module about augmented assignment to tuple subscripts
diff --git a/Lib/compiler/pycodegen.py b/Lib/compiler/pycodegen.py
index 2b3a24f..f25b3fb 100644
--- a/Lib/compiler/pycodegen.py
+++ b/Lib/compiler/pycodegen.py
@@ -1045,8 +1045,6 @@
self.emit('STORE_SLICE+%d' % slice)
def visitAugSubscript(self, node, mode):
- if len(node.subs) > 1:
- raise SyntaxError, "augmented assignment to tuple is not possible"
if mode == "load":
self.visitSubscript(node, 1)
elif mode == "store":
@@ -1151,10 +1149,10 @@
self.visit(node.expr)
for sub in node.subs:
self.visit(sub)
- if aug_flag:
- self.emit('DUP_TOPX', 2)
if len(node.subs) > 1:
self.emit('BUILD_TUPLE', len(node.subs))
+ if aug_flag:
+ self.emit('DUP_TOPX', 2)
if node.flags == 'OP_APPLY':
self.emit('BINARY_SUBSCR')
elif node.flags == 'OP_ASSIGN':