rpm.py 文件源码

def chown(self, cpioinfo, cpiogetpath):
        """Set owner of cpiogetpath according to cpioinfo.
        """
        if PWD and hasattr(os, "geteuid") and os.geteuid() == 0:
            # We have to be root to do so.
            try:
                g = GRP.getgrgid(cpioinfo.gid)[2]
            except KeyError:
                g = os.getgid()
            try:
                u = PWD.getpwuid(cpioinfo.uid)[2]
            except KeyError:
                u = os.getuid()
            try:
                if cpioinfo.issym() and hasattr(os, "lchown"):
                    os.lchown(cpiogetpath, u, g)
                else:
                    if sys.platform != "os2emx":
                        os.chown(cpiogetpath, u, g)
            except EnvironmentError:
                raise ExtractError("could not change owner")