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This is jiwon's patch to fix: 

[ 1042238 ] Lib/compiler chokes on certain genexps
This commit is contained in:
Michael W. Hudson 2004-10-11 15:35:53 +00:00
parent 29589a06f6
commit c054a8b1a9
1 changed files with 6 additions and 1 deletions
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7
Lib/compiler/transformer.py
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@ -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.