Thanks for the code pointers. So it's all about monkeypatching. :-) I have only a little sympathy, as there still seems to be a way to do this, it's just less convenient. Too bad.
--Guido On Thu, Jul 4, 2013 at 9:42 AM, Chris Withers <ch...@simplistix.co.uk>wrote: > Hi Guido, > > I've bumped into this a couple of times. > > First time was when I wanted to know whether what I had was a classmethod, > staticmethod or normal method here: > > https://github.com/Simplistix/**testfixtures/blob/master/** > testfixtures/replace.py#L59<https://github.com/Simplistix/testfixtures/blob/master/testfixtures/replace.py#L59> > > This resulted in having to trawl through __dict__ here: > > https://github.com/Simplistix/**testfixtures/blob/master/** > testfixtures/resolve.py#L17<https://github.com/Simplistix/testfixtures/blob/master/testfixtures/resolve.py#L17> > > ...rather than just using getattr. > > I bumped into it again, yesterday, trying to add support for classes to > this lightweight dependency injection framework I'm developing: > > https://github.com/Simplistix/**mush/blob/master/tests/test_** > runner.py#L189<https://github.com/Simplistix/mush/blob/master/tests/test_runner.py#L189> > > Here's my local copy of that test: > > https://gist.github.com/**cjw296/db64279c69cdc0c5e112<https://gist.github.com/cjw296/db64279c69cdc0c5e112> > > The workaround I was playing with this morning is a wrapper so that I know > I have a class method, although what I really want to write at this line is: > > https://gist.github.com/**cjw296/db64279c69cdc0c5e112#** > file-gistfile1-txt-L40<https://gist.github.com/cjw296/db64279c69cdc0c5e112#file-gistfile1-txt-L40> > > runner = Runner(T0, C1.meth, C2.meth1, C2.meth2) > > ...but if I do that, how can the runner know that what it gets for its > second argument is a class method of C1? > (which is this case means that it should do C1().meth() rather than > C1.meth()) > > cheers, > > Chris > > > On 04/07/2013 17:25, Guido van Rossum wrote: > >> Chris, what do you want to do with the knowledge you are seeking? >> >> --Guido van Rossum (sent from Android phone) >> >> On Jul 4, 2013 4:28 AM, "Chris Withers" <ch...@simplistix.co.uk >> <mailto:ch...@simplistix.co.uk**>> wrote: >> >> Hi All, >> >> In Python 2, I can figure out whether I have a method or a function, >> and, more importantly, for an unbound method, I can figure out what >> class the method belongs to: >> >> >>> class MyClass(object): >> ... def method(self): pass >> ... >> >>> MyClass.method >> <unbound method MyClass.method> >> >>> MyClass.method.im_class >> <class '__main__.MyClass'> >> >> There doesn't appear to be any way in Python 3 to do this, which is >> a little surprising and frustrating... >> >> What am I missing here? >> >> Chris >> >> -- >> Simplistix - Content Management, Batch Processing & Python Consulting >> - http://www.simplistix.co.uk >> ______________________________**___________________ >> Python-Dev mailing list >> Python-Dev@python.org <mailto:Python-Dev@python.org> >> >> http://mail.python.org/__**mailman/listinfo/python-dev<http://mail.python.org/__mailman/listinfo/python-dev> >> >> <http://mail.python.org/**mailman/listinfo/python-dev<http://mail.python.org/mailman/listinfo/python-dev> >> > >> Unsubscribe: >> http://mail.python.org/__**mailman/options/python-dev/__** >> guido%40python.org<http://mail.python.org/__mailman/options/python-dev/__guido%40python.org> >> <http://mail.python.org/**mailman/options/python-dev/** >> guido%40python.org<http://mail.python.org/mailman/options/python-dev/guido%40python.org> >> > >> >> >> ______________________________**______________________________** >> __________ >> This email has been scanned by the Symantec Email Security.cloud service. >> For more information please visit http://www.symanteccloud.com >> ______________________________**______________________________** >> __________ >> > > -- > Simplistix - Content Management, Batch Processing & Python Consulting > - http://www.simplistix.co.uk > -- --Guido van Rossum (python.org/~guido)
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