mplsizer is a layout engine for matplotlib based on wxPython model. It is released under the MIT license.
The official svn repository is at https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/trunk/toolkits/mplsizer/
An un-official git mirror is made of the source code repository at http://github.com/astraw/mplsizer. You can make a copy of this repository with:
git clone --origin svn git@github.com:astraw/mplsizer.git
cd mplsizer/
git svn init --trunk=trunk/toolkits/mplsizer --prefix=svn/ https://matplotlib.svn.sourceforge.net/svnroot/matplotlib
git svn rebase -l