PathInfo objects to sort by their
.path attributes, that is, in ascending
order by pathname.
Because these pathnames are simple strings, and because
can compare strings, all we have to do here is call
cmp() on the pathnames and
return its result as our result.
# - - - P a t h I n f o . _ _ c m p _ _ - - - def __cmp__ ( self, other ): """Comparison operator for PathInfo objects. [ other is a PathInfo object -> if self.path < other.path -> return a negative number else if self.path > other.path -> return a positive number else -> return 0 ] """ return cmp ( self.path, other.path )