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76 lines
1.5 KiB
76 lines
1.5 KiB
# test importing of invalid .mpy files
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import sys, uio
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try:
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uio.IOBase
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import uos
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uos.mount
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except (ImportError, AttributeError):
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print("SKIP")
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raise SystemExit
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class UserFile(uio.IOBase):
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def __init__(self, data):
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self.data = data
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self.pos = 0
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def read(self):
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return self.data
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def readinto(self, buf):
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n = 0
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while n < len(buf) and self.pos < len(self.data):
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buf[n] = self.data[self.pos]
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n += 1
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self.pos += 1
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return n
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def ioctl(self, req, arg):
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return 0
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class UserFS:
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def __init__(self, files):
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self.files = files
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def mount(self, readonly, mksfs):
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pass
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def umount(self):
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pass
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def stat(self, path):
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if path in self.files:
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return (32768, 0, 0, 0, 0, 0, 0, 0, 0, 0)
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raise OSError
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def open(self, path, mode):
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return UserFile(self.files[path])
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# these are the test .mpy files
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user_files = {
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"/mod0.mpy": b"", # empty file
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"/mod1.mpy": b"M", # too short header
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"/mod2.mpy": b"M\x00\x00\x00", # bad version
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"/mod3.mpy": b"M\x00\x00\x00\x7f", # qstr window too large
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}
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# create and mount a user filesystem
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uos.mount(UserFS(user_files), "/userfs")
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sys.path.append("/userfs")
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# import .mpy files from the user filesystem
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for i in range(len(user_files)):
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mod = "mod%u" % i
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try:
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__import__(mod)
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except ValueError as er:
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print(mod, "ValueError", er)
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# unmount and undo path addition
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uos.umount("/userfs")
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sys.path.pop()
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