Generic proxy (that proxies methods like __iter__)

2010-01-27 Thread D HANNEY
>>> def show(opened): ... with opened as file: ... for line in file: ... print line.strip() ... >>> show(open("test.txt")) blah1 blah2 blah3 # # Good! I wonder if I can do that with StringIO ... # >>> import StringIO >>> show(StringIO.StringIO("

Re: Generic proxy (that proxies methods like __iter__)

2010-01-28 Thread D HANNEY
On Jan 27, 3:07 pm, Arnaud Delobelle wrote: > On 27 Jan, 14:41, D HANNEY wrote: > [...] > > See [1] for an explanation.  Here is an idea: you could get round that > by generating a class on the fly, if you don't mind changing the class > of the object (untested): &

Re: Generic proxy (that proxies methods like __iter__)

2010-01-28 Thread D HANNEY
On Jan 28, 1:31 pm, D HANNEY wrote: > > Your solution works if I change "type(obj)" to say "obj.__class__". > If I don't make this change Python complains "TypeError: Error when > calling the metaclass bases type 'instance' is not an acceptab