4216bc7d13
This work was funded through GitHub Sponsors. Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
69 lines
1.4 KiB
Python
69 lines
1.4 KiB
Python
# test importing of invalid .mpy files
|
|
|
|
try:
|
|
import sys, io, os
|
|
|
|
io.IOBase
|
|
os.mount
|
|
except (ImportError, AttributeError):
|
|
print("SKIP")
|
|
raise SystemExit
|
|
|
|
|
|
class UserFile(io.IOBase):
|
|
def __init__(self, data):
|
|
self.data = memoryview(data)
|
|
self.pos = 0
|
|
|
|
def readinto(self, buf):
|
|
n = min(len(buf), len(self.data) - self.pos)
|
|
buf[:n] = self.data[self.pos : self.pos + n]
|
|
self.pos += n
|
|
return n
|
|
|
|
def ioctl(self, req, arg):
|
|
return 0
|
|
|
|
|
|
class UserFS:
|
|
def __init__(self, files):
|
|
self.files = files
|
|
|
|
def mount(self, readonly, mksfs):
|
|
pass
|
|
|
|
def umount(self):
|
|
pass
|
|
|
|
def stat(self, path):
|
|
if path in self.files:
|
|
return (32768, 0, 0, 0, 0, 0, 0, 0, 0, 0)
|
|
raise OSError
|
|
|
|
def open(self, path, mode):
|
|
return UserFile(self.files[path])
|
|
|
|
|
|
# these are the test .mpy files
|
|
user_files = {
|
|
"/mod0.mpy": b"", # empty file
|
|
"/mod1.mpy": b"M", # too short header
|
|
"/mod2.mpy": b"M\x00\x00\x00", # bad version
|
|
}
|
|
|
|
# create and mount a user filesystem
|
|
os.mount(UserFS(user_files), "/userfs")
|
|
sys.path.append("/userfs")
|
|
|
|
# import .mpy files from the user filesystem
|
|
for i in range(len(user_files)):
|
|
mod = "mod%u" % i
|
|
try:
|
|
__import__(mod)
|
|
except ValueError as er:
|
|
print(mod, "ValueError", er)
|
|
|
|
# unmount and undo path addition
|
|
os.umount("/userfs")
|
|
sys.path.pop()
|