Function replace

recipes/Python/579097_Safely_atomically_write/recipe-579097.py:67–75

(source, destination)

            # But it's how (for example) Mercurial does it, as of 2016-03-23
            # https://selenic.com/repo/hg/file/tip/mercurial/windows.py
            def replace(source, destination):
                assert sys.platform == 'win32'
                try:
                    os.rename(source, dest)
                except OSError as err:
                    if err.winerr != 183:
                        raise
                    os.remove(dest)
                    os.rename(source, dest)
        else:
            # Atomic on POSIX. Not sure about Cygwin, OS/2 or others.
            replace = os.rename