import logging
from priv_logging import getLogger
from fuse import Fuse
from dropbox_manager import DropboxManager
from time import time
import stat # for file properties
import os # for filesystem modes (O_RDONLY, etc)
import errno # for error number codes (ENOENT, etc)
# - note: these must be returned as negatives
# TODO: Check if fuse has attribute __version__
fuse.fuse_python_api = (0, 2)
logger = getLogger('rofs_fuse')
manager = DropboxManager()
def dirFromList(list):
"""
Return a properly formatted list of items suitable to a directory listing.
[['a', 'b', 'c']] => [[('a', 0), ('b', 0), ('c', 0)]]
"""
return [[(x, 0) for x in list]]
def getDepth(path):
"""
Return the depth of a given path, zero-based from root ('/')
"""
if path == '/':
#!/usr/bin/python
from time import time
import logging
from priv_logging import getLogger
logger = getLogger('cache')
def y(function):
"""
Based in the javascript implemention at http://matt.might.net/articles/implementation-of-recursive-fixed-point-y-combinator-in-javascript-for-memoization/
The Y combinator finds the fixed point of the "functional" passed in as an argument.
Thus, the Y combinator satisfies the property:
Y(F) = F(Y(F))
Usage:
(Factorial example)
> factgen = lambda fact: lambda x: ((x == 0 and 1) or (x * fact(x-1)))
> (y(factgen))(6)
720
"""
return (lambda x: function(lambda y: (x(x))(y) )) (lambda x: function(lambda y: (x(x))(y) ) )
def y_mem_body(cache, arg):
"""
Implementation of the memoization technique using the y-combinator, based in the javascript implementation at http://matt.might.net/articles/implementation-of-recursive-fixed-point-y-combinator-in-javascript-for-memoization/
"""