misc.py 文件源码

def move(src, dst):
        """Rewrite of shutil.move() that uses our copy of copytree()."""

        # If dst is a directory, then we try to move src into it.
        if os.path.isdir(dst):
                dst = os.path.join(dst,
                    os.path.basename(src).rstrip(os.path.sep))

        try:
                os.rename(src, dst)
        except EnvironmentError as e:
                # Access to protected member; pylint: disable=W0212
                s = os.lstat(src)

                if e.errno == errno.EXDEV:
                        if S_ISDIR(s.st_mode):
                                copytree(src, dst)
                                shutil.rmtree(src)
                        else:
                                shutil.copyfile(src, dst)
                                os.chmod(dst, S_IMODE(s.st_mode))
                                os.chown(dst, s.st_uid, s.st_gid)
                                os.utime(dst, (s.st_atime, s.st_mtime))
                                os.unlink(src)
                elif e.errno == errno.EINVAL and S_ISDIR(s.st_mode):
                        raise shutil.Error("Cannot move a directory '{0}' "
                            "into itself '{1}'.".format(src, dst))
                elif e.errno == errno.ENOTDIR and S_ISDIR(s.st_mode):
                        raise shutil.Error("Destination path '{0}' already "
                            "exists".format(dst))
                else:
                        raise api_errors._convert_error(e)