69 lines
1.5 KiB
Python
69 lines
1.5 KiB
Python
# test importing of invalid .mpy files
|
|
|
|
import sys, uio
|
|
|
|
try:
|
|
uio.IOBase
|
|
import uos
|
|
uos.mount
|
|
except (ImportError, AttributeError):
|
|
print("SKIP")
|
|
raise SystemExit
|
|
|
|
|
|
class UserFile(uio.IOBase):
|
|
def __init__(self, data):
|
|
self.data = data
|
|
self.pos = 0
|
|
def read(self):
|
|
return self.data
|
|
def readinto(self, buf):
|
|
n = 0
|
|
while n < len(buf) and self.pos < len(self.data):
|
|
buf[n] = self.data[self.pos]
|
|
n += 1
|
|
self.pos += 1
|
|
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
|
|
'/mod3.mpy': b'M\x00\x00\x00\x7f', # qstr window too large
|
|
}
|
|
|
|
# create and mount a user filesystem
|
|
uos.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
|
|
uos.umount('/userfs')
|
|
sys.path.pop()
|