async def read(self, fh, off, size):
# Some applications seem to close files and then try to read from them...
fuse_assert(fh in self.open_handles)
inode, deref = self.open_handles[fh]
read_data = await deref().read(inode, off, size)
self.total_bytes_read += len(read_data)
return read_data
async def lookup(self, parent_inode, name, ctx=None):
if parent_inode == pyfuse3.ROOT_INODE:
for _, sub in self:
if name.decode('utf-8') == sub.name:
return await sub.getattr(sub.root_inode, ctx)
fuse_assert(False)
return await self.root_child.lookup(parent_inode, name, ctx)
async def lookup(self, parent_inode, name, ctx=None):
if not self.inode_belongs(parent_inode):
return await self.child.lookup(parent_inode, name, ctx)
found_inode = self.listings[parent_inode].name_to_inode(
name.decode('utf-8'))
fuse_assert(found_inode is not None)
return await self.getattr(found_inode)
async def readdir(self, fh, start_id, token):
# TODO: Could probably implement this with a `DirectoryListing` as well. Class decorator to monkey-patch method from a .listing field?
logger.trace(f"readdir({fh})")
if fh == pyfuse3.ROOT_INODE:
for num, sub in self:
if num < start_id:
continue
if not pyfuse3.readdir_reply(token, sub.name.encode('utf-8'),
await sub.getattr(sub.root_inode
), num + 1):
return
else:
fuse_assert(fh in self.open_handles)
inode, deref = self.open_handles[fh]
# deref() is not None as each SubFS instance is in memory for the life of the program
return await deref().readdir(inode, start_id, token)
async def open(self, _inode, _flags, _ctx):
fuse_assert(False)
async def opendir(self, _inode, _ctx):
fuse_assert(False)
async def lookup(self, _parent_inode, _name, _ctx=None):
fuse_assert(False)
async def getattr(self, _inode, _ctx=None):
fuse_assert(False)
