[Python-Dev] __import__ problems
Mart Somermaa
mrts at mrts.pri.ee
Fri Nov 28 11:02:21 CET 2008
>> The variant proposed by Hrvoje Niksic:
>>
>> >>> __import__(modname)
>> >>> mod = sys.modules[modname]
>>
>> looks more appealing, but comes with the drawback that sys has to be
>> imported for that purpose only.
>
> That is not a real drawback, as "sys" will certainly be present in the
> system, so the "importing" boils down to a dict lookup and a variable
> assignment.
I meant that you have to
>>> import sys
only to access sys.modules (i.e. importing sys may not be necessary otherwise).
Compare
>>> mod = __import__(modname, submodule=True)
with
>>> import sys
>>> __import__(modname)
>>> mod = sys.modules[modname]
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