Using c:\work\enomalism\version11\src\python25\lib\site-packages\datetime-2.11.0b1-py2.5.egg Processing dependencies for datetime Searching for zope.interface Reading http://pypi.python.org/simple/zope.interface/ Reading http://zope.org/Wikis/Interfaces/FrontPage Best match: zope.interface 3.4.1 Downloading http://pypi.python.org/packages/source/z/zope.interface/zope.interface-3.4.1.tar.gz#md5= b085f4a774adab688e037ad32fbbf08e Processing zope.interface-3.4.1.tar.gz Running zope.interface-3.4.1\setup.py -q bdist_egg --dist-dir c:\users\khaz\appdata\local\temp\easy_ install-vog_if\zope.interface-3.4.1\egg-dist-tmp-aanx7g error: Setup script exited with error: Python was built with Visual Studio 2003; extensions must be built with a compiler than can generate compatible binaries. Visual Studio 2003 was not found on this system. If you have Cygwin installed, you can try compiling with MingW32, by passing "-c mingw32" to setup.py.