On Mon, May 25, 2009 at 8:42 AM, Christian Witts <cwi...@compuscan.co.za> wrote:
> prasad rao wrote:
>>
>> hello
>> I get a problem while trying to print non callable
>> items in dir(module).May be as the items are strings.
>>
>> for x in dir(sys):
>> ?? if sys.x is callable:
>> ???? print sys.x()
>> ?? else:print sys.x
>>
>>
>> Traceback (most recent call last):
>> File "<pyshell#10>", line 2, in <module>
>> if sys.x is callable:
>> AttributeError: 'module' object has no attribute 'x'
>
> What you should be doing is rather
>
> for attrib in dir(sys):
> if callable('sys.%s' % attrib):
> print 'Callable: sys.%s' % attrib
> else:
> print 'Not Callable: sys.%s' % attrib
No; 'sys.%s' % attrib is a string, you are just asking if a string is
callable. The correct way to get an attribute whose name you have is
to use getattr():
if callable(getattr(sys, x)):
Kent
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