pypa/virtualenv — pull request #345 by pfmoore (2012-10-20 21:40:59+00:00)
Title: Use ctypes to support paths with spaces rather than pywin32

pywin32 is not always available, but ctypes is (since Python 2.5, which as far as I am aware is the earliest version virtualenv supports). This patch switches to using ctypes, so that filenames with spaces always work.