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Date: Mon, 6 Aug 2012 14:58:24 -0700 (PDT)
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Subject: Re: find out whether a module exists (without importing it)
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Xref: csiph.com comp.lang.python:26663

> imp.find_module(), but
> it didn't find any module name containing a '.'
The docs (http://docs.python.org/library/imp.html#imp.find_module) clearly =
say:

"This function does not handle hierarchical module names (names containing =
dots). In order to find P.M, that is, submodule M of package P, use find_mo=
dule() and load_module() to find and load package P, and then use find_modu=
le() with the path argument set to P.__path__. When P itself has a dotted n=
ame, apply this recipe recursively."

See https://gist.github.com/3278829 for possible implementation.