144 lines
3.7 KiB
Python
144 lines
3.7 KiB
Python
from __future__ import print_function, absolute_import, division
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import errno
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import iso8601
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import logging
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import os
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from stat import S_IFDIR, S_IFREG
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from sys import argv, exit
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from datetime import datetime
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from fuse import FUSE, FuseOSError, Operations, LoggingMixIn
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from itemmanager import ItemManager
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class StandardNotesFUSE(LoggingMixIn, Operations):
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def __init__(self, sn_api, path='.'):
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self.item_manager = ItemManager(sn_api)
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self.uid = os.getuid()
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self.gid = os.getgid()
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now = datetime.now().timestamp()
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self.dir_stat = dict(st_mode=(S_IFDIR | 0o755), st_ctime=now,
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st_mtime=now, st_atime=now, st_nlink=2,
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st_uid=self.uid, st_gid=self.gid)
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self.note_stat = dict(st_mode=(S_IFREG | 0o644), st_ctime=now,
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st_mtime=now, st_atime=now, st_nlink=1,
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st_uid=self.uid, st_gid=self.gid)
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def getattr(self, path, fh=None):
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self.notes = self.item_manager.getNotes()
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st = self.note_stat
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path_parts = path.split('/')
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note_name = path_parts[1]
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if path == '/':
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return self.dir_stat
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elif note_name in self.notes:
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note = self.notes[note_name]
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st['st_size'] = len(note['text'])
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st['st_ctime'] = iso8601.parse_date(note['created']).timestamp()
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st['st_mtime'] = iso8601.parse_date(note['modified']).timestamp()
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return st
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else:
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raise FuseOSError(errno.ENOENT)
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def readdir(self, path, fh):
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self.notes = self.item_manager.getNotes()
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dirents = ['.', '..']
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if path == '/':
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dirents.extend(list(self.notes.keys()))
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return dirents
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def read(self, path, size, offset, fh):
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self.notes = self.item_manager.getNotes()
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path_parts = path.split('/')
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note_name = path_parts[1]
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note = self.notes[note_name]
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return note['text'][offset : offset + size].encode()
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def write(self, path, data, offset, fh):
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self.notes = self.item_manager.getNotes()
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path_parts = path.split('/')
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note_name = path_parts[1]
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note = self.notes[note_name]
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text = note['text'][:offset] + data.decode()
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uuid = note['uuid']
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self.item_manager.writeNote(uuid, text)
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return len(data)
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def create(self, path, mode):
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path_parts = path.split('/')
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note_name = path_parts[1]
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# disallow hidden files (usually editor / OS files)
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if note_name[0] == '.':
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raise FuseOSError(errno.EPERM)
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now = datetime.utcnow().isoformat()[:-3] + 'Z' # hack
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self.item_manager.createNote(note_name, now)
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return 0
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def unlink(self, path):
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self.notes = self.item_manager.getNotes()
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path_parts = path.split('/')
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note_name = path_parts[1]
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note = self.notes[note_name]
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uuid = note['uuid']
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self.item_manager.deleteNote(uuid)
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return 0
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def chmod(self, path, mode):
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return 0
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def chown(self, path, uid, gid):
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return 0
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def destroy(self, path):
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return 0
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def mkdir(self, path, mode):
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return 0
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def readlink(self, path):
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return 0
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def rename(self, old, new):
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return 0
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def rmdir(self, path):
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return 0
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def symlink(self, target, source):
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return 0
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def truncate(self, path, length, fh=None):
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return 0
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def utimens(self, path, times=None):
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return 0
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if __name__ == '__main__':
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if len(argv) != 2:
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print('usage: %s <mountpoint>' % argv[0])
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exit(1)
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logging.basicConfig(level=logging.DEBUG)
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fuse = FUSE(StandardNotesFUSE(), argv[1], foreground=True, nothreads=True)
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