diff options
| -rw-r--r-- | software/MOSS (renamed from MOSS) | 0 | ||||
| -rw-r--r-- | software/bash (renamed from bash) | 0 | ||||
| -rw-r--r-- | software/freebsd-packages (renamed from freebsd-packages) | 0 | ||||
| -rw-r--r-- | software/matlab (renamed from matlab) | 0 | ||||
| -rw-r--r-- | software/pynsfs | 150 | ||||
| -rw-r--r-- | software/sagemath (renamed from sagemath) | 0 |
6 files changed, 150 insertions, 0 deletions
diff --git a/freebsd-packages b/software/freebsd-packages index 642a615..642a615 100644 --- a/freebsd-packages +++ b/software/freebsd-packages diff --git a/software/pynsfs b/software/pynsfs new file mode 100644 index 0000000..7c1951d --- /dev/null +++ b/software/pynsfs @@ -0,0 +1,150 @@ +============================================= +Python Namespace File System +============================================= + +:Author: Bryan Newbold +:Date: July 2008 +:URL: http://git.bryannewbold.com?p=pynsfs;a=summary + +.. contents:: + +This is an experimental implementation of a python namespace as a virtual +file system, implemented using the python bindings for fusefs on unix. + +At this point only the global namespace of the filesystem instance itself is +accessible, and only limited access is available to that. If anything goes +wrong it can cause a hard lock and system crash; don't leave it running and +don't try to write anything substantial. + +The source code can be checked out from the above URL. + +Features +--------------- +An example session goes like:: + + snark# ls /mnt/python/ + + snark# python nsfs.py /mnt/python/ + *** init complete + let's go! + + snark# cd /mnt/python/ + + snark# ls -l + total 6 + -r--r--r-- 1 root wheel 30 Dec 31 1969 DefaultStat + -r--r--r-- 1 root wheel 33 Dec 31 1969 DefaultStatVfs + -r--r--r-- 1 root wheel 19 Dec 31 1969 Fuse + -r--r--r-- 1 root wheel 30 Dec 31 1969 NamespaceFS + -r--r--r-- 1 root wheel 27 Dec 31 1969 NsfsFile + -r--r--r-- 1 root wheel 17 Dec 31 1969 StringIO + drwxr-xr-x 2 root wheel 0 Dec 31 1969 __builtins__ + -r--r--r-- 1 root wheel 4 Dec 31 1969 __doc__ + -r--r--r-- 1 root wheel 7 Dec 31 1969 __file__ + -r--r--r-- 1 root wheel 8 Dec 31 1969 __name__ + drwxr-xr-x 2 root wheel 0 Dec 31 1969 _find_fuse_parts + drwxr-xr-x 2 root wheel 0 Dec 31 1969 errno + drwxr-xr-x 2 root wheel 0 Dec 31 1969 fuse + -r--r--r-- 1 root wheel 29 Dec 31 1969 main + drwxr-xr-x 2 root wheel 0 Dec 31 1969 os + drwxr-xr-x 2 root wheel 0 Dec 31 1969 stat + -r--r--r-- 1 root wheel 24 Dec 31 1969 time + + snark# ls stat/ + ST_ATIME S_ENFMT S_IMODE S_ISDIR S_IWRITE + ST_CTIME S_IEXEC S_IREAD S_ISFIFO S_IWUSR + ST_DEV S_IFBLK S_IRGRP S_ISGID S_IXGRP + ST_GID S_IFCHR S_IROTH S_ISLNK S_IXOTH + ST_INO S_IFDIR S_IRUSR S_ISREG S_IXUSR + ST_MODE S_IFIFO S_IRWXG S_ISSOCK __builtins__ + ST_MTIME S_IFLNK S_IRWXO S_ISUID __doc__ + ST_NLINK S_IFMT S_IRWXU S_ISVTX __file__ + ST_SIZE S_IFREG S_ISBLK S_IWGRP __name__ + ST_UID S_IFSOCK S_ISCHR S_IWOTH + + snark# cat time + <built-in function time> + + snark# echo " Hello Python" >> os/__name__ + + snark# cat os/__name__ + os Hello Python + + snark# rm time + + snark# ls + DefaultStat __builtins__ fuse + DefaultStatVfs __doc__ main + Fuse __file__ os + NamespaceFS __name__ stat + NsfsFile _find_fuse_parts + StringIO errno + + snark# ln __nameofos__ os/__name__ + ln: __nameofos__: No such file or directory + + snark# ln os/__name__ __nameofos__ + + snark# cat __nameofos__ + os Hello Python + + snark# cd .. + + snark# umount /mnt/python/ + +The root directory is the global namespace; modules are available as +subdirectories and all other objects are accessible as files. Strings can +be appended to; all other "files" are readonly and return their string +representation. "Files" can be deleted; "directories" can not. Hard links to +files are possible. + +Requirements +--------------- + +This was developed and has only been tested on FreeBSD 7.0 with Python 2.5.1 +version 0.2 of the python-fuse bindings. + +* `FUSE Filesystem`__ installed and configured on a compatible operating system +* Recent version of Python__ +* `FUSE Python Bindings`__ + +Once everything is installed and configured, the script can just be run +as root; no installation necessary. + +__ http://fuse.sourceforge.net/ +__ http://python.org +__ http://fuse.sourceforge.net/wiki/index.php/FusePython + +Usage +-------------- +Try ``# python nsfs.py -h`` to get a list of general FUSE options. A simple +mount command would look like:: + + # python nsfs.py /mnt/python + +To unmount:: + + # umount /mnt/python + +I like to run in foreground, single threaded, with debug info:: + + # python nsfs.py -dsf /mnt/python + +Really only basic command line tools work because they don't check for many +attributes; try ``echo "blah" >> file``, ``cat file``, ``df -h``, ``ls -l`` etc. + +TODO +----------------------- +Functions taking simple arguments (or no arguments) could be implemented as +character devices; ``function_name.doc``, ``function_name.repr``, etc could +give meta-information. + +File of the form ``__thing__`` should be renamed ``.thing``. + +New files should be allowed and saved as strings. + +CHANGELOG +----------------------- + +July 28, 2008 + First implementation diff --git a/sagemath b/software/sagemath index f01883f..f01883f 100644 --- a/sagemath +++ b/software/sagemath |