DirectPython 11 is an open source (BSD licensed) C++ extension to the Python programming language which provides basic access to the Direct3D 11 API. It is an indirect successor to the original DirectPython extension.
Basically DirectPython is a layer that converts Python objects into a form which Direct3D can handle. Biggest differences are in the interface: the Python side is somewhat simplified (or "pythonized"). You don't have to write hundreds of lines of low-level COM-handling code to just draw a triangle. In short, DirectPython is not a 1:1 mapping to Direct3D, but it is not a high-level library either.
You don't have to own a Direct3D 11 capabale graphics card in order to use this library as Direct3D 11 supports hardware from Direct3D 9 to 11, altough advanced features can't be used with older cards. Also a high performance WARP-software rasterizer can be used if no hardware is available. However, an operating system which supports Direct3D 11 is required. Currently Windows Vista (Service Pack 2 with platform update) and Windows 7 support Direct3D 11.
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Each of these features is demonstrated in the samples that are included with the full installation. Currently there are over 10 different samples that show the basics of DirectPython programming.