local.py 文件源码

def copy(self, target, mode=False, stat=False):
        """ copy path to target.

            If mode is True, will copy copy permission from path to target.
            If stat is True, copy permission, last modification
            time, last access time, and flags from path to target.
        """
        if self.check(file=1):
            if target.check(dir=1):
                target = target.join(self.basename)
            assert self!=target
            copychunked(self, target)
            if mode:
                copymode(self.strpath, target.strpath)
            if stat:
                copystat(self, target)
        else:
            def rec(p):
                return p.check(link=0)
            for x in self.visit(rec=rec):
                relpath = x.relto(self)
                newx = target.join(relpath)
                newx.dirpath().ensure(dir=1)
                if x.check(link=1):
                    newx.mksymlinkto(x.readlink())
                    continue
                elif x.check(file=1):
                    copychunked(x, newx)
                elif x.check(dir=1):
                    newx.ensure(dir=1)
                if mode:
                    copymode(x.strpath, newx.strpath)
                if stat:
                    copystat(x, newx)