Cannot import a module from a variable

Colin J. Williams cjw at
Sun Oct 15 18:17:21 CEST 2006

Christian Joergensen wrote:
> "Jia Lu" <Roka100 at> writes:
>> Hi all:
>> I try to do things below:
>>>>> import sys
>>>>> for i in sys.modules.keys():
>> 	import i
>> Traceback (most recent call last):
>>   File "<pyshell#67>", line 2, in <module>
>>     import i
>> ImportError: No module named i
>> But it seems that import donot know what is i ? why?
> Try using __import__(i) instead.
(a) you need something like exec('import ' + i) for most cases
but (b) "encodings" is a package i.e. it points to a directory which has 
an file.

Colin W.

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