(You need XCode Command Line tools if you haven't got it already.)
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Download
pypy2.0 beta 1 from http://pypy.org/download.html. -
Symlink
pypyto/usr/local/binor someplace that your$PATHpoints to. -
Install
pipby following http://doc.pypy.org/en/latest/getting-started.html#installing-pypy.You may want to symlink this pip at /usr/local/bin/pypy-pip or something.
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pypy-pip install cffi. -
Checkout pysdl-cffi.
hg clone https://bitbucket.org/duangle/pysdl-cffi.