Function copy_tree

Copy an entire directory tree 'src' to a new location 'dst'. Both 'src' and 'dst' must be directory names. If 'src' is not a directory, raise DistutilsFileError. If 'dst' does not exist, it is created with 'mkpath()'. The end result of the copy is that every file in 'src' is copi

(src, dst, preserve_mode=1, preserve_times=1,
              preserve_symlinks=0, update=0, verbose=1, dry_run=0)