On 13/11/2012 07:19, Steven D'Aprano wrote:
On Tue, 13 Nov 2012 06:38:31 +0000, Some Developer wrote:
I'm trying to find a way to get a string of the module path of a class.
So for instance say I have class Foo and it is in a module called
my.module. I want to be able to get a string that is equal to this:
"my.module.Foo". I'm aware of the __repr__ method but it does not do
what I want it to do in this case.
Can anyone offer any advice at all?
py> from multiprocessing.pool import Pool
py> repr(Pool)
"<class 'multiprocessing.pool.Pool'>"
Seems pretty close to what you ask for. You can either pull that string
apart:
py> s = repr(Pool)
py> start = s.find("'")
py> end = s.rfind("'")
py> s[start+1:end]
'multiprocessing.pool.Pool'
or you can construct it yourself:
py> Pool.__module__ + '.' + Pool.__name__
'multiprocessing.pool.Pool'
Yeah I considered doing it this way but was wary of that method because
of possible changes to the implementation of the __repr__ method in the
upstream code. If the Django developers don't consider the __repr__
method a public API then it could change in the future breaking my code.
Of course this might not happen but I was hoping that there was a more
generic way of doing it that did not rely on a certain implementation
being in existence.
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