Yes -- I'll update the docstring. The weakref support was added afterward during one of my many memory leak crusades ;)
What were you attempting to do with the Grouper? You shouldn't have to use the class directly to use the sharex/sharey functionality -- it's only an implementation detail. Mike Eric Firing wrote: > TP wrote: > >> Hi everybody, >> >> I try to play with "sharex" feature. Then, I have been guided to the >> class "Grouper" of module cbook: >> >> http://matplotlib.sourceforge.net/api/cbook_api.html >> >> So I tried the following example: >> >> ############################## >> from matplotlib.cbook import * >> >> g = Grouper() >> g.join('a', 'b') >> ############################## >> >> I obtain: >> >> Traceback (most recent call last): >> File "test_grouper.py", line 4, in <module> >> g.join('a', 'b') >> File ".../matplotlib/cbook.py", line 1118, in join >> set_a = mapping.setdefault(ref(a), [ref(a)]) >> TypeError: cannot create weak reference to 'str' object >> >> What is the problem? >> > > Grouper is implemented using weak references, which are supported only > for some types of objects, as described here: > http://docs.python.org/library/weakref.html > > Evidently the cbook Grouper docstring was written when the > implementation was different, and did not use weakref. So, you have > found a major bug in the docstring. > > Eric > > >> Thanks in advance, >> >> Julien >> >> > > > ------------------------------------------------------------------------------ > Come build with us! The BlackBerry® Developer Conference in SF, CA > is the only developer event you need to attend this year. Jumpstart your > developing skills, take BlackBerry mobile applications to market and stay > ahead of the curve. Join us from November 9-12, 2009. Register now! > http://p.sf.net/sfu/devconf > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > -- Michael Droettboom Science Software Branch Operations and Engineering Division Space Telescope Science Institute Operated by AURA for NASA ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
