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authorMiklos Szeredi <miklos@szeredi.hu>2001-12-21 09:28:33 +0000
committerMiklos Szeredi <miklos@szeredi.hu>2001-12-21 09:28:33 +0000
commitba8ec88e0e194f2dc5928b043ee8a5a2d338afe9 (patch)
treedeb10f6a9324f035e050c41d8778afdb6301b309 /README.python
parentfe25def3344095825738deba119e1400b8e2315f (diff)
downloadlibfuse-ba8ec88e0e194f2dc5928b043ee8a5a2d338afe9.tar.gz
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-General Information
-===================
-
-This is a Python[1] interface to FUSE[2].
-
-FUSE (Filesystem in USErspace) is a simple interface for userspace
-programs to export a virtual filesystem to the linux kernel. FUSE
-also aims to provide a secure method for non privileged users to
-create and mount their own filesystem implementations.
-
-When run from the commandline, "fuse.py" simply reexports the root
-filesystem within the mount point as example/fusexmp does in the main
-FUSE distribution. It also offers a class, fuse.Fuse, which can be
-subclassed to create a filesystem. fuse.Xmp is the example filesystem
-implementation.
-
-In your subclass of fuse, add attributes with the expected names
-("getattr", "readlink", etc) and call signatures (refer to fuse.Xmp)
-then call main(). Make it runnable as a #! script, and mount with
- fusermount <mount point> <script name>
-for some reason,
- fusermount <mount point> python <script name>
-does not seem to work. (why?)
-
-Limitations
-===========
-
-This is minimally tested, though I think I have exercised each function.
-There's no documentation, docstrings, or tests.
-
-Python's lstat() does not return some fields which must be filled in
-(st_blksize, st_blocks, st_ino), and _fusemodule assumes that the return
-value from the lstat() method is identical to Python's lstat(). This
-limitation should be lifted, and some standard order chosen for these
-three values. For now, though, default values are chosen and du returns a
-number similar to the "real" one.
-
-The Python Global Interpreter Lock is not handled, so using
-fuse.MULTITHREAD will not work. Modifying the PROLOGUE and EPILOGUE
-functions may take care of this. For now, just run without
-fuse.MULTITHREAD in flags.
-
-Author
-======
-
-I'm Jeff Epler <jepler@unpythonic.dhs.org>. I've been dabbling in
-Python for nearly 7 years now, and interested (despite the lack of a
-real practical use) in userspace filesystems ever since I couldn't get
-userfs to compile way back in '93 or so. FUSE is cool, but i'm still
-not sure what it's good for in practical terms.
-
-I don't know how high a level of interest I'll maintain in this project,
-so if you want to do something with it feel free to do so. Like FUSE,
-this software is distributed under the terms of the GNU General Public
-License, Version 2. Future versions, if any, will be available at [3].
-
-
-[1] http://www.python.org
-[2] http://sourceforge.net/projects/avf/
-[3] http://unpythonic.dhs.org/~jepler/fuse/