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authorMichael W. Hudson <mwh@python.net>2004-10-11 15:35:53 (GMT)
committerMichael W. Hudson <mwh@python.net>2004-10-11 15:35:53 (GMT)
commitc054a8b1a99c15146c9f2092172d04e5c832ffff (patch)
tree31b5fd9a50127debe666e7778007772d9d2a6ee3 /Lib/compiler
parent29589a06f6fb8298239c26334992d8471ad6f93a (diff)
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This is jiwon's patch to fix:
[ 1042238 ] Lib/compiler chokes on certain genexps
Diffstat (limited to 'Lib/compiler')
-rw-r--r--Lib/compiler/transformer.py7
1 files changed, 6 insertions, 1 deletions
diff --git a/Lib/compiler/transformer.py b/Lib/compiler/transformer.py
index 34ad5ea..840d79f 100644
--- a/Lib/compiler/transformer.py
+++ b/Lib/compiler/transformer.py
@@ -1165,8 +1165,13 @@ class Transformer:
if node[0] == token.STAR or node[0] == token.DOUBLESTAR:
break
kw, result = self.com_argument(node, kw)
- if len_nodelist != 2 and isinstance(result, GenExpr):
+
+ if len_nodelist != 2 and isinstance(result, GenExpr) \
+ and len(node) == 3 and node[2][0] == symbol.gen_for:
+ # allow f(x for x in y), but reject f(x for x in y, 1)
+ # should use f((x for x in y), 1) instead of f(x for x in y, 1)
raise SyntaxError, 'generator expression needs parenthesis'
+
args.append(result)
else:
# No broken by star arg, so skip the last one we processed.