path.py 文件源码

def init_from_tarinfo(self, tarinfo):
        """Set data from tarinfo object (part of tarfile module)"""
        # Set the typepp
        type = tarinfo.type
        if type == tarfile.REGTYPE or type == tarfile.AREGTYPE:
            self.type = "reg"
        elif type == tarfile.LNKTYPE:
            raise PathException("Hard links not supported yet")
        elif type == tarfile.SYMTYPE:
            self.type = "sym"
            self.symtext = tarinfo.linkname
        elif type == tarfile.CHRTYPE:
            self.type = "chr"
            self.devnums = (tarinfo.devmajor, tarinfo.devminor)
        elif type == tarfile.BLKTYPE:
            self.type = "blk"
            self.devnums = (tarinfo.devmajor, tarinfo.devminor)
        elif type == tarfile.DIRTYPE:
            self.type = "dir"
        elif type == tarfile.FIFOTYPE:
            self.type = "fifo"
        else:
            raise PathException("Unknown tarinfo type %s" % (type,))

        self.mode = tarinfo.mode
        self.stat = StatResult()

        """ Set user and group id
        use numeric id if name lookup fails
        OR
        --numeric-owner is set
        """
        try:
            if globals.numeric_owner:
                raise KeyError
            self.stat.st_uid = cached_ops.getpwnam(tarinfo.uname)[2]
        except KeyError:
            self.stat.st_uid = tarinfo.uid
        try:
            if globals.numeric_owner:
                raise KeyError
            self.stat.st_gid = cached_ops.getgrnam(tarinfo.gname)[2]
        except KeyError:
            self.stat.st_gid = tarinfo.gid

        self.stat.st_mtime = int(tarinfo.mtime)
        if self.stat.st_mtime < 0:
            log.Warn(_("Warning: %s has negative mtime, treating as 0.")
                     % (util.ufn(tarinfo.name)))
            self.stat.st_mtime = 0
        self.stat.st_size = tarinfo.size