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# Test builtin execfile function using VFS.
try:
import io, os, vfs
execfile
io.IOBase
except (ImportError, NameError, AttributeError):
print("SKIP")
raise SystemExit
class File(io.IOBase):
def __init__(self, data):
self.data = data
self.off = 0
def ioctl(self, request, arg):
if request == 4: # MP_STREAM_CLOSE
return 0
return -1
def readinto(self, buf):
buf[:] = memoryview(self.data)[self.off : self.off + len(buf)]
self.off += len(buf)
return len(buf)
class Filesystem:
def __init__(self, files):
self.files = files
def mount(self, readonly, mkfs):
print("mount", readonly, mkfs)
def umount(self):
print("umount")
def open(self, file, mode):
print("open", file, mode)
if file not in self.files:
raise OSError(2) # ENOENT
return File(self.files[file])
# First umount any existing mount points the target may have.
try:
vfs.umount("/")
except OSError:
pass
for path in os.listdir("/"):
vfs.umount("/" + path)
# Create and mount the VFS object.
files = {
"/test.py": "print(123)",
}
fs = Filesystem(files)
vfs.mount(fs, "/test_mnt")
# Test execfile with a file that doesn't exist.
try:
execfile("/test_mnt/noexist.py")
except OSError:
print("OSError")
# Test execfile with a file that does exist.
execfile("/test_mnt/test.py")
# Test that it only works with string arguments.
try:
execfile(b"aaa")
except TypeError:
print("TypeError")
# Unmount the VFS object.
vfs.umount(fs)
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