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Memoize _deepcopy_tuple() -- maybe this helps Tommy's problem.

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This commit is contained in:
Guido van Rossum 1996-06-17 17:10:11 +00:00
parent 7c46a920ae
commit 6afff6139a
1 changed files with 6 additions and 2 deletions
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8
Lib/copy.py
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@ -182,8 +182,12 @@ def _deepcopy_tuple(x, memo):
pass pass
for i in range(len(x)): for i in range(len(x)):
if x[i] is not y[i]: if x[i] is not y[i]:
return tuple(y) y = tuple(y)
return x break
else:
y = x
memo[d] = y
return y
d[types.TupleType] = _deepcopy_tuple d[types.TupleType] = _deepcopy_tuple
def _deepcopy_dict(x, memo): def _deepcopy_dict(x, memo):