Message 65025 - Python tracker

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In-reply-to
Author	georg.brandl
Recipients	georg.brandl, warnhold
Date	2008年04月06日.08:30:50
SpamBayes Score	0.0816334
Marked as misclassified	No
Message-id	<1207470651.85.0.20913503608.issue2561@psf.upfronthosting.co.za>

Content
Yes, this is expected. Default values are only evaluated once, at function creation time. If you need to have a mutable default argument that is assigned to something and changed, use something like this: def f(arg=None): if arg is None: arg = [] ...

Content

Yes, this is expected. Default values are only evaluated once, at
function creation time. If you need to have a mutable default argument
that is assigned to something and changed, use something like this:
def f(arg=None):
 if arg is None:
 arg = []
 ...

History
Date	User	Action	Args
2008年04月06日 08:30:52	georg.brandl	set	spambayes_score: 0.0816334 -> 0.0816334 recipients: + georg.brandl, warnhold
2008年04月06日 08:30:51	georg.brandl	set	spambayes_score: 0.0816334 -> 0.0816334 messageid: <1207470651.85.0.20913503608.issue2561@psf.upfronthosting.co.za>
2008年04月06日 08:30:51	georg.brandl	link	issue2561 messages
2008年04月06日 08:30:50	georg.brandl	create

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