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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