try: import uos except ImportError: print("SKIP") raise SystemExit try: uos.VfsFat except AttributeError: print("SKIP") raise SystemExit class RAMFS: SEC_SIZE = 512 def __init__(self, blocks): self.data = bytearray(blocks * self.SEC_SIZE) def readblocks(self, n, buf): #print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf))) for i in range(len(buf)): buf[i] = self.data[n * self.SEC_SIZE + i] def writeblocks(self, n, buf): #print("writeblocks(%s, %x)" % (n, id(buf))) for i in range(len(buf)): self.data[n * self.SEC_SIZE + i] = buf[i] def ioctl(self, op, arg): #print("ioctl(%d, %r)" % (op, arg)) if op == 4: # MP_BLOCKDEV_IOCTL_BLOCK_COUNT return len(self.data) // self.SEC_SIZE if op == 5: # MP_BLOCKDEV_IOCTL_BLOCK_SIZE return self.SEC_SIZE try: bdev = RAMFS(50) bdev2 = RAMFS(50) except MemoryError: print("SKIP") raise SystemExit # first we umount any existing mount points the target may have try: uos.umount('/') except OSError: pass for path in uos.listdir('/'): uos.umount('/' + path) uos.VfsFat.mkfs(bdev) uos.mount(bdev, '/') print(uos.getcwd()) f = open('test.txt', 'w') f.write('hello') f.close() print(uos.listdir()) print(uos.listdir('/')) print(uos.stat('')[:-3]) print(uos.stat('/')[:-3]) print(uos.stat('test.txt')[:-3]) print(uos.stat('/test.txt')[:-3]) f = open('/test.txt') print(f.read()) f.close() uos.rename('test.txt', 'test2.txt') print(uos.listdir()) uos.rename('test2.txt', '/test3.txt') print(uos.listdir()) uos.rename('/test3.txt', 'test4.txt') print(uos.listdir()) uos.rename('/test4.txt', '/test5.txt') print(uos.listdir()) uos.mkdir('dir') print(uos.listdir()) uos.mkdir('/dir2') print(uos.listdir()) uos.mkdir('dir/subdir') print(uos.listdir('dir')) for exist in ('', '/', 'dir', '/dir', 'dir/subdir'): try: uos.mkdir(exist) except OSError as er: print('mkdir OSError', er.args[0] == 17) # EEXIST uos.chdir('/') print(uos.stat('test5.txt')[:-3]) uos.VfsFat.mkfs(bdev2) uos.mount(bdev2, '/sys') print(uos.listdir()) print(uos.listdir('sys')) print(uos.listdir('/sys')) uos.rmdir('dir2') uos.remove('test5.txt') print(uos.listdir()) uos.umount('/') print(uos.getcwd()) print(uos.listdir()) print(uos.listdir('sys')) # test importing a file from a mounted FS import sys sys.path.clear() sys.path.append('/sys') with open('sys/test_module.py', 'w') as f: f.write('print("test_module!")') import test_module