* Changed imports to use either absolute or explicit relative imports. Implicit relative imports are no longer allowed.
* Changes to accomodate standard library classes or modues moving to other locations, or being removed entirely.
* Changes related to print becoming a function, execfile being removed, u'' no longer allowed, and other syntax related issues.
* Working around C APIs that have changed or simply vanished. (PyInt, PyString, PyBytes, etc.)
* Dealing with text file objects using strings vs binary file objects using bytes, auto-encoding, and etc.
* Replacing the use of PyCObject with PyCapsule and dealing with an apparent bug where PyCapsule objects can't be imported from submodules within a package.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@71554 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
* Enable all the important virtual methods to be overridden in Pytyhon subclasses.
* Use Python buffer object APIs and objects for data transfer where appropriate.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@71412 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
