Nevar pievienot vairāk kā 25 tēmas
Tēmai ir jāsākas ar burtu vai ciparu, tā var saturēt domu zīmes ('-') un var būt līdz 35 simboliem gara.
168 rindas
5.1 KiB
168 rindas
5.1 KiB
from datetime import datetime |
|
import errno |
|
import logging |
|
import os |
|
from pathlib import PurePath |
|
from stat import S_IFDIR, S_IFREG |
|
from threading import Event, Thread |
|
from time import sleep |
|
|
|
from fuse import FuseOSError, LoggingMixIn, Operations |
|
import iso8601 |
|
from requests.exceptions import ConnectionError |
|
|
|
from itemmanager import ItemManager |
|
|
|
class StandardNotesFUSE(LoggingMixIn, Operations): |
|
def __init__(self, sn_api, sync_sec, path='.'): |
|
self.item_manager = ItemManager(sn_api) |
|
self.notes = self.item_manager.get_notes() |
|
|
|
self.uid = os.getuid() |
|
self.gid = os.getgid() |
|
|
|
now = datetime.now().timestamp() |
|
self.dir_stat = dict(st_mode=(S_IFDIR | 0o755), st_ctime=now, |
|
st_mtime=now, st_atime=now, st_nlink=2, |
|
st_uid=self.uid, st_gid=self.gid) |
|
|
|
self.note_stat = dict(st_mode=(S_IFREG | 0o644), st_ctime=now, |
|
st_mtime=now, st_atime=now, st_nlink=1, |
|
st_uid=self.uid, st_gid=self.gid) |
|
|
|
self.sync_sec = sync_sec |
|
self.run_sync = Event() |
|
self.stop_sync = Event() |
|
self.sync_thread = Thread(target=self._sync_thread) |
|
|
|
def init(self, path): |
|
self.sync_thread.start() |
|
|
|
def destroy(self, path): |
|
self._sync_now() |
|
logging.info('Stopping sync thread.') |
|
self.stop_sync.set() |
|
self.sync_thread.join() |
|
return 0 |
|
|
|
def _sync_thread(self): |
|
while not self.stop_sync.is_set(): |
|
self.run_sync.clear() |
|
manually_synced = self.run_sync.wait(timeout=self.sync_sec) |
|
if not manually_synced: logging.info('Auto-syncing items...') |
|
sleep(0.1) # fixes race condition of quick create() then write() |
|
try: |
|
self.item_manager.sync_items() |
|
except ConnectionError: |
|
logging.error('Unable to connect to sync server. Retrying...') |
|
|
|
def _sync_now(self): |
|
self.run_sync.set() |
|
|
|
def _path_to_note(self, path): |
|
pp = PurePath(path) |
|
note_name = pp.parts[1] |
|
self.notes = self.item_manager.get_notes() |
|
note = self.notes[note_name] |
|
return note, note['uuid'] |
|
|
|
def getattr(self, path, fh=None): |
|
if path == '/': |
|
return self.dir_stat |
|
|
|
try: |
|
note, uuid = self._path_to_note(path) |
|
st = self.note_stat |
|
st['st_size'] = len(note['text']) |
|
st['st_ctime'] = iso8601.parse_date(note['created']).timestamp() |
|
st['st_mtime'] = iso8601.parse_date(note['modified']).timestamp() |
|
return st |
|
except KeyError: |
|
raise FuseOSError(errno.ENOENT) |
|
|
|
def readdir(self, path, fh): |
|
dirents = ['.', '..'] |
|
|
|
if path == '/': |
|
dirents.extend(list(self.notes.keys())) |
|
return dirents |
|
|
|
def read(self, path, size, offset, fh): |
|
note, uuid = self._path_to_note(path) |
|
return note['text'][offset : offset + size] |
|
|
|
def truncate(self, path, length, fh=None): |
|
note, uuid = self._path_to_note(path) |
|
text = note['text'][:length] |
|
self.item_manager.write_note(uuid, text) |
|
self._sync_now() |
|
return 0 |
|
|
|
def write(self, path, data, offset, fh): |
|
note, uuid = self._path_to_note(path) |
|
text = note['text'][:offset] + data |
|
|
|
try: |
|
self.item_manager.write_note(uuid, text) |
|
except UnicodeError: |
|
logging.error('Unable to parse non-unicode data.') |
|
raise FuseOSError(errno.EIO) |
|
|
|
self._sync_now() |
|
return len(data) |
|
|
|
def create(self, path, mode): |
|
path_parts = path.split('/') |
|
note_name = path_parts[1] |
|
|
|
# disallow hidden files (usually editor / OS files) |
|
if note_name[0] == '.': |
|
logging.error('Creation of hidden files is disabled.') |
|
raise FuseOSError(errno.EPERM) |
|
|
|
now = datetime.utcnow().isoformat()[:-3] + 'Z' # hack |
|
|
|
self.item_manager.create_note(note_name, now) |
|
self._sync_now() |
|
return 0 |
|
|
|
def unlink(self, path): |
|
note, uuid = self._path_to_note(path) |
|
self.item_manager.delete_note(uuid) |
|
self._sync_now() |
|
return 0 |
|
|
|
def mkdir(self, path, mode): |
|
logging.error('Creation of directories is disabled.') |
|
raise FuseOSError(errno.EPERM) |
|
|
|
def utimens(self, path, times=None): |
|
note, uuid = self._path_to_note(path) |
|
self.item_manager.touch_note(uuid) |
|
self._sync_now() |
|
return 0 |
|
|
|
def rename(self, old, new): |
|
note, uuid = self._path_to_note(old) |
|
new_path_parts = new.split('/') |
|
new_note_name = new_path_parts[1] |
|
self.item_manager.rename_note(uuid, new_note_name) |
|
self._sync_now() |
|
return 0 |
|
|
|
def chmod(self, path, mode): |
|
logging.error('chmod is disabled.') |
|
raise FuseOSError(errno.EPERM) |
|
|
|
def chown(self, path, uid, gid): |
|
logging.error('chown is disabled.') |
|
raise FuseOSError(errno.EPERM) |
|
|
|
def readlink(self, path): |
|
return 0 |
|
|
|
def rmdir(self, path): |
|
return 0 |
|
|
|
def symlink(self, target, source): |
|
return 0
|
|
|