def flush(self, fh):
if not fh.dirty:
return fh.flush_ret
try:
json = fh.buffer.getvalue()
if len(json.strip()):
doc = loads(json.decode(self.mongofs.json_encoding, errors="replace"))
else:
doc = {}
except ValueError, e:
notify("Invalid MongoFS document", "\n".join(str(e).split(":")))
fh.dirty = False
fh.flush_ret = -errno.EIO
return fh.flush_ret
def getattr(self):
# If the file is already open, return the size of the buffer
if self.mongofs.fetch_file_length:
fh = self.open(0)
else:
fh = self.mongofs.open_file_cache.get(self.id, None)
if isinstance(fh, MongoSharedFileHandle):
if self.mongofs.fetch_file_length:
self.release(0, fh)
return fuse.Stat(st_mode=stat.S_IFREG | 0666, st_nlink=1, st_size=len(fh.buffer.getvalue()))
# It is faster to check the cached response of readdir() instead of looking up Mongo
parent_field = self.id[-2]
parent_filter = dict(self.filter)
del parent_filter[parent_field]
for valid_file in MongoFilter(
self.mongofs, self.database, self.collection, parent_filter, parent_field
).list_files():
if valid_file.endswith(".json"):
valid_file = valid_file[:-5]
if self.id[-1] == loads(valid_file):
return fuse.Stat(st_mode=stat.S_IFREG | 0666, st_nlink=1, st_size=1)
return -errno.ENOENT
