[IronPython] Bug in copy module (really need help with this!) :)

Michael Foord michael at voidspace.org.uk
Tue Oct 12 16:43:45 CEST 2010

  On 12/10/2010 15:29, Pablo Dalmazzo wrote:
> Hello guys,
> we've found a bug in the copy module, but the real problem is we cant 
> reproduce it.
> Sometimes when we try to deepcopy an object of a custom object 
> relation mapping type, we get this error
> "name types is not defined"
> Line 55:
> for t in (type(None),int,long,float,bool,str,tuple), 
> frozenset,type,xrange,types.ClassType,types.BuiltinFunctionType, 
> type(Ellipsis),
In my version of Python 2.6 this is line 102 of the copy module. Line 51 
is "import types", so a "name types is not defined" error is most 
perplexing. Is it possible that you are using a custom version of the 
copy module?

All the best,


> the other problem is in production server, where this error uses to 
> happen sporadically, most times we dont get this message but an error 
> message of the most outer module which calls the copy module, which is 
> a generic message which tells us nothing
> I know this is very little information to find a bug but, do you know 
> of any bugs related to the module copy (aside it didnt copy 
> System.DBnull which I believe it's not the one for this case)
> Greetings, Pablo Dalmazzo
> _______________________________________________
> Users mailing list
> Users at lists.ironpython.com
> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com



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