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