How about PyFilesystem? https://docs.pyfilesystem.org/en/latest/reference/memoryfs.html https://docs.pyfilesystem.org/en/latest/reference/tempfs.html The downside is that you have to access the filesystem with PyFilesystem API, but you can also access the real fs with PyFilesystem.
You can create and mount a ram based disk as follows: Create a disk hdiutil attach -nomount ram://$((2 * 1024 * SIZE_IN_MB)) hdiutil will return the name of the ramdisk. Format and mount the disk diskutil eraseVolume HFS+ RAMDisk NAME_OF_DISK Access the disk under /Volumes/<diskname> cd /Volumes/RAMDisk && touch testfile.txt && ls Creating a 100MB … Read more