diff options
Diffstat (limited to 'bundled_examples/hello.py')
-rw-r--r-- | bundled_examples/hello.py | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/bundled_examples/hello.py b/bundled_examples/hello.py new file mode 100644 index 0000000..b0775a6 --- /dev/null +++ b/bundled_examples/hello.py @@ -0,0 +1,92 @@ +#!/usr/bin/env python + +# Copyright (C) 2006 Andrew Straw <strawman@astraw.com> +# +# This program can be distributed under the terms of the GNU LGPL. +# See the file COPYING. +# + +import os, stat, errno +# pull in some spaghetti to make this stuff work without fuse-py being installed +try: + import _find_fuse_parts +except ImportError: + pass +import fuse +from fuse import Fuse + + +if not hasattr(fuse, '__version__'): + raise RuntimeError, \ + "your fuse-py doesn't know of fuse.__version__, probably it's too old." + +fuse.fuse_python_api = (0, 2) + +hello_path = '/hello' +hello_str = 'Hello World!\n' + +class MyStat(fuse.Stat): + def __init__(self): + self.st_mode = 0 + self.st_ino = 0 + self.st_dev = 0 + self.st_nlink = 0 + self.st_uid = 0 + self.st_gid = 0 + self.st_size = 0 + self.st_atime = 0 + self.st_mtime = 0 + self.st_ctime = 0 + +class HelloFS(Fuse): + + def getattr(self, path): + st = MyStat() + if path == '/': + st.st_mode = stat.S_IFDIR | 0755 + st.st_nlink = 2 + elif path == hello_path: + st.st_mode = stat.S_IFREG | 0444 + st.st_nlink = 1 + st.st_size = len(hello_str) + else: + return -errno.ENOENT + return st + + def readdir(self, path, offset): + for r in '.', '..', hello_path[1:]: + yield fuse.Direntry(r) + + def open(self, path, flags): + if path != hello_path: + return -errno.ENOENT + accmode = os.O_RDONLY | os.O_WRONLY | os.O_RDWR + if (flags & accmode) != os.O_RDONLY: + return -errno.EACCES + + def read(self, path, size, offset): + if path != hello_path: + return -errno.ENOENT + slen = len(hello_str) + if offset < slen: + if offset + size > slen: + size = slen - offset + buf = hello_str[offset:offset+size] + else: + buf = '' + return buf + +def main(): + usage=""" +Userspace hello example + +""" + Fuse.fusage + server = HelloFS(version="%prog " + fuse.__version__, + usage=usage, + dash_s_do='setsingle') + + server.parse(errex=1) + server.main() + +if __name__ == '__main__': + main() |