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Issue #18896: Python function can now have more than 255 parameters.

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collections.namedtuple() now supports tuples with more than 255 elements.
This commit is contained in:
Serhiy Storchaka 2016-12-16 19:19:02 +02:00
parent 14d8b9693b
commit 5bb8b9134b
10 changed files with 33 additions and 49 deletions
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11
Lib/test/test_compile.py
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@ -401,16 +401,9 @@ if 1:
self.assertNotIn((Ellipsis, Ellipsis), d)
def test_annotation_limit(self):
# 16 bits are available for # of annotations, but only 8 bits are
# available for the parameter count, hence 255
# is the max. Ensure the result of too many annotations is a
# SyntaxError.
# more than 255 annotations, should compile ok
s = "def f(%s): pass"
s %= ', '.join('a%d:%d' % (i,i) for i in range(256))
self.assertRaises(SyntaxError, compile, s, '?', 'exec')
# Test that the max # of annotations compiles.
s = "def f(%s): pass"
s %= ', '.join('a%d:%d' % (i,i) for i in range(255))
s %= ', '.join('a%d:%d' % (i,i) for i in range(300))
compile(s, '?', 'exec')
def test_mangling(self):