moodlefuse/moodlefs.py
2023-05-01 01:12:48 +02:00

83 lines
2.0 KiB
Python

from errno import ENOENT, EACCES
from fuse import LoggingMixIn, Operations, FuseOSError
from FSNode import FSNode
# a simple read-only filesystem to-tree interface
class MoodleFS(LoggingMixIn, Operations):
'Example memory filesystem. Supports only one level of files.'
def __init__(self, moodle):
self.category_name_id_map = {}
self.moodle = moodle
self.tree = FSNode.from_moodle(self.moodle)
def chmod(self, path, mode):
return 0 # makes no sense
def chown(self, path, uid, gid):
return 0 # makes no sense
def create(self, path, mode):
return 0 # makes no sense
def getattr(self, path, fh=None):
s = self.tree.resolve_path(path)
if s is None:
raise FuseOSError(ENOENT)
return s.to_stat_struct()
def getxattr(self, path, name, position=0):
pass
def listxattr(self, path):
attrs = self.files[path].get('attrs', {})
return []
def mkdir(self, path, mode):
return EACCES
def open(self, path, flags):
return 120
def read(self, path, size, offset, fh):
return self.tree.resolve_path(path).read(size, offset, self.moodle)
def readdir(self, path, fh):
dir_e = self.tree.resolve_path(path)
return ['.', '..'] + [child.name for child in dir_e.children]
def readlink(self, path):
return self.data[path]
def removexattr(self, path, name):
pass
def rename(self, old, new):
return EACCES
def rmdir(self, path):
return EACCES
def setxattr(self, path, name, value, options, position=0):
pass
def statfs(self, path):
return dict(f_bsize=512, f_blocks=4096, f_bavail=2048)
def symlink(self, target, source):
return EACCES
def truncate(self, path, length, fh=None):
return EACCES
def unlink(self, path):
return EACCES
def utimens(self, path, times=None):
pass
def write(self, path, data, offset, fh):
return EACCES