diff options
Diffstat (limited to 'python/code.leo')
| -rw-r--r-- | python/code.leo | 1120 |
1 files changed, 0 insertions, 1120 deletions
diff --git a/python/code.leo b/python/code.leo deleted file mode 100644 index 8ff723e..0000000 --- a/python/code.leo +++ /dev/null @@ -1,1120 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?> -<leo_file> -<leo_header file_format="2" tnodes="0" max_tnode_index="69" clone_windows="0"/> -<globals body_outline_ratio="0.2448559670781893"> - <global_window_position top="129" left="90" height="631" width="1124"/> - <global_log_window_position top="0" left="0" height="0" width="0"/> -</globals> -<preferences> -</preferences> -<find_panel_settings> - <find_string></find_string> - <change_string></change_string> -</find_panel_settings> -<vnodes> -<v t="davidmcnab.121303142957" a="E"><vh>fuse python bindings</vh> -<v t="davidmcnab.121303142957.1" a="E" tnodeList="davidmcnab.121303142957.1,davidmcnab.121303142957.2,davidmcnab.121303142957.3,davidmcnab.121303142957.4,davidmcnab.121303142957.5,davidmcnab.121303142957.6,davidmcnab.121303142957.7,davidmcnab.121303142957.8,davidmcnab.121303142957.9,davidmcnab.121303142957.10,davidmcnab.121303142957.11,davidmcnab.121303142957.12,davidmcnab.121303142957.13,davidmcnab.121303142957.14,davidmcnab.121303142957.15,davidmcnab.121303142957.16,davidmcnab.121303142957.17,davidmcnab.121303142957.18,davidmcnab.121303142957.19,davidmcnab.121303142957.20,davidmcnab.121303142957.21,davidmcnab.121303142957.22,davidmcnab.121303142957.23,davidmcnab.121303142957.24,davidmcnab.121303144441,davidmcnab.121303144441.1,davidmcnab.121303142957.25,davidmcnab.121303142957.26,davidmcnab.121303142957.27,davidmcnab.121303142957.28"><vh>@file _fusemodule.c</vh> -<v t="davidmcnab.121303142957.2"><vh>includes</vh></v> -<v t="davidmcnab.121303142957.3" a="M"><vh>globals</vh></v> -<v t="davidmcnab.121303142957.4"><vh>PROLOGUE</vh></v> -<v t="davidmcnab.121303142957.5"><vh>EPILOGUE</vh></v> -<v t="davidmcnab.121303142957.6"><vh>getattr_func</vh></v> -<v t="davidmcnab.121303142957.7"><vh>readlink_func</vh></v> -<v t="davidmcnab.121303142957.8"><vh>getdir_add_entry</vh></v> -<v t="davidmcnab.121303142957.9"><vh>getdir_func</vh></v> -<v t="davidmcnab.121303142957.10"><vh>mknod_func</vh></v> -<v t="davidmcnab.121303142957.11"><vh>mkdir_func</vh></v> -<v t="davidmcnab.121303142957.12"><vh>unlink_func</vh></v> -<v t="davidmcnab.121303142957.13"><vh>rmdir_func</vh></v> -<v t="davidmcnab.121303142957.14"><vh>symlink_func</vh></v> -<v t="davidmcnab.121303142957.15"><vh>rename_func</vh></v> -<v t="davidmcnab.121303142957.16"><vh>link_func</vh></v> -<v t="davidmcnab.121303142957.17"><vh>chmod_func</vh></v> -<v t="davidmcnab.121303142957.18"><vh>chown_func</vh></v> -<v t="davidmcnab.121303142957.19"><vh>truncate_func</vh></v> -<v t="davidmcnab.121303142957.20"><vh>utime_func</vh></v> -<v t="davidmcnab.121303142957.21"><vh>read_func</vh></v> -<v t="davidmcnab.121303142957.22"><vh>write_func</vh></v> -<v t="davidmcnab.121303142957.23"><vh>open_func</vh></v> -<v t="davidmcnab.121303142957.24" a="M"><vh>release_func</vh></v> -<v t="davidmcnab.121303144441"><vh>statfs_func</vh></v> -<v t="davidmcnab.121303144441.1"><vh>fsync_func</vh></v> -<v t="davidmcnab.121303142957.25" a="M"><vh>process_cmd</vh></v> -<v t="davidmcnab.121303142957.26"><vh>pyfuse_loop_mt</vh></v> -<v t="davidmcnab.121303142957.27" a="M"><vh>Fuse_main</vh></v> -<v t="davidmcnab.121303142957.28"><vh>DL_EXPORT</vh></v> -</v> -<v t="davidmcnab.121303142957.29" tnodeList="davidmcnab.121303142957.29,davidmcnab.121303142957.30,davidmcnab.121303142957.31,davidmcnab.121303142957.32,davidmcnab.121303142957.33,davidmcnab.121303142957.34,davidmcnab.121303142957.35,davidmcnab.121303142957.36,davidmcnab.121303142957.37"><vh>@file fuse.py</vh> -<v t="davidmcnab.121303142957.30"><vh>imports</vh></v> -<v t="davidmcnab.121303142957.31" a="E"><vh>class ErrnoWrapper</vh> -<v t="davidmcnab.121303142957.32"><vh>__init__</vh></v> -<v t="davidmcnab.121303142957.33"><vh>__call__</vh></v> -</v> -<v t="davidmcnab.121303142957.34" a="E"><vh>class Fuse</vh> -<v t="davidmcnab.121303142957.35" a="M"><vh>attribs</vh></v> -<v t="davidmcnab.121303142957.36"><vh>__init__</vh></v> -<v t="davidmcnab.121303142957.37"><vh>main</vh></v> -</v> -</v> -<v t="davidmcnab.121303142957.38" tnodeList="davidmcnab.121303142957.38"><vh>@file Makefile</vh></v> -<v t="davidmcnab.121303142957.39" a="E" tnodeList="davidmcnab.121303142957.39,davidmcnab.121303142957.40,davidmcnab.121303142957.41,davidmcnab.121303142957.42,davidmcnab.121303142957.43,davidmcnab.121303142957.44,davidmcnab.121303142957.45,davidmcnab.121303142957.46,davidmcnab.121303142957.47,davidmcnab.121303142957.48,davidmcnab.121303142957.49,davidmcnab.121303142957.50,davidmcnab.121303142957.51,davidmcnab.121303142957.52,davidmcnab.121303142957.53,davidmcnab.121303142957.54,davidmcnab.121303142957.55,davidmcnab.121303142957.56,davidmcnab.121303142957.57,davidmcnab.121303142957.58,davidmcnab.121303142957.59,davidmcnab.121303142957.60,davidmcnab.121303142957.61,davidmcnab.121303142957.62,davidmcnab.121303144134,davidmcnab.121303144134.1,davidmcnab.121303142957.63"><vh>@file xmp.py</vh> -<v t="davidmcnab.121303142957.40"><vh>imports</vh></v> -<v t="davidmcnab.121303142957.41" a="E"><vh>class Xmp</vh> -<v t="davidmcnab.121303142957.42"><vh>__init__</vh></v> -<v t="davidmcnab.121303142957.43"><vh>mythread</vh></v> -<v t="davidmcnab.121303142957.44"><vh>attribs</vh></v> -<v t="davidmcnab.121303142957.45"><vh>getattr</vh></v> -<v t="davidmcnab.121303142957.46"><vh>readlink</vh></v> -<v t="davidmcnab.121303142957.47"><vh>getdir</vh></v> -<v t="davidmcnab.121303142957.48"><vh>unlink</vh></v> -<v t="davidmcnab.121303142957.49"><vh>rmdir</vh></v> -<v t="davidmcnab.121303142957.50"><vh>symlink</vh></v> -<v t="davidmcnab.121303142957.51"><vh>rename</vh></v> -<v t="davidmcnab.121303142957.52"><vh>link</vh></v> -<v t="davidmcnab.121303142957.53"><vh>chmod</vh></v> -<v t="davidmcnab.121303142957.54"><vh>chown</vh></v> -<v t="davidmcnab.121303142957.55"><vh>truncate</vh></v> -<v t="davidmcnab.121303142957.56"><vh>mknod</vh></v> -<v t="davidmcnab.121303142957.57"><vh>mkdir</vh></v> -<v t="davidmcnab.121303142957.58"><vh>utime</vh></v> -<v t="davidmcnab.121303142957.59"><vh>open</vh></v> -<v t="davidmcnab.121303142957.60"><vh>read</vh></v> -<v t="davidmcnab.121303142957.61"><vh>write</vh></v> -<v t="davidmcnab.121303142957.62" a="M"><vh>release</vh></v> -<v t="davidmcnab.121303144134"><vh>statfs</vh></v> -<v t="davidmcnab.121303144134.1"><vh>fsync</vh></v> -</v> -<v t="davidmcnab.121303142957.63"><vh>mainline</vh></v> -</v> -<v t="davidmcnab.121303142957.64" tnodeList="davidmcnab.121303142957.64"><vh>@file setup.py</vh></v> -<v t="davidmcnab.121303142957.65" tnodeList="davidmcnab.121303142957.65"><vh>@file README</vh></v> -<v t="davidmcnab.121303142957.67" a="E" tnodeList="davidmcnab.121303142957.67"><vh>@file mount.fuse</vh></v> -<v t="davidmcnab.121403050157" a="E"><vh>@file fuse.py</vh> -<v t="davidmcnab.121403050157.1"><vh><< fuse declarations >></vh></v> -<v t="davidmcnab.121403050157.2" a="E"><vh>class ErrnoWrapper</vh> -<v t="davidmcnab.121403050157.3"><vh><< class ErrnoWrapper declarations >></vh></v> -<v t="davidmcnab.121403050157.4"><vh>__init__</vh></v> -<v t="davidmcnab.121403050157.5" a="V"><vh>__call__</vh></v> -</v> -<v t="davidmcnab.121403050157.6" a="E"><vh>class Fuse</vh> -<v t="davidmcnab.121403050157.7"><vh><< class Fuse declarations >></vh></v> -<v t="davidmcnab.121403050157.8"><vh>__init__</vh></v> -<v t="davidmcnab.121403050157.9"><vh>main</vh></v> -</v> -</v> -</v> -</vnodes> -<tnodes> -<t tx="davidmcnab.121303142957"></t> -<t tx="davidmcnab.121303142957.1">@language c -/* - Copyright (C) 2001 Jeff Epler <jepler@unpythonic.dhs.org> - - This program can be distributed under the terms of the GNU GPL. - See the file COPYING. -*/ - -@others - -</t> -<t tx="davidmcnab.121303142957.2">#include <Python.h> -#include <fuse.h> -#include <time.h> -</t> -<t tx="davidmcnab.121303142957.3"> -static PyObject *getattr_cb=NULL, *readlink_cb=NULL, *getdir_cb=NULL, - *mknod_cb=NULL, *mkdir_cb=NULL, *unlink_cb=NULL, *rmdir_cb=NULL, - *symlink_cb=NULL, *rename_cb=NULL, *link_cb=NULL, *chmod_cb=NULL, - *chown_cb=NULL, *truncate_cb=NULL, *utime_cb=NULL, - *open_cb=NULL, *read_cb=NULL, *write_cb=NULL, *release_cb=NULL, - *statfs_cb=NULL, *fsync_cb=NULL - ; -</t> -<t tx="davidmcnab.121303142957.4">#define PROLOGUE \ -int ret = -EINVAL; \ -if (!v) { PyErr_Print(); goto OUT; } \ -if(v == Py_None) { ret = 0; goto OUT_DECREF; } \ -if(PyInt_Check(v)) { ret = PyInt_AsLong(v); goto OUT_DECREF; } - -</t> -<t tx="davidmcnab.121303142957.5">#define EPILOGUE \ -OUT_DECREF: \ - Py_DECREF(v); \ -OUT: \ - return ret; -</t> -<t tx="davidmcnab.121303142957.6"> -/* - * Local Variables: - * indent-tabs-mode: t - * c-basic-offset: 8 - * End: - * Changed by David McNab (david@rebirthing.co.nz) to work with recent pythons. - * Namely, replacing PyTuple_* with PySequence_*, and checking numerical values - * with both PyInt_Check and PyLong_Check. - */ - -static int getattr_func(const char *path, struct stat *st) -{ -int i; -PyObject *v = PyObject_CallFunction(getattr_cb, "s", path); -PROLOGUE - -if(!PySequence_Check(v)) { goto OUT_DECREF; } -if(PySequence_Size(v) < 10) { goto OUT_DECREF; } -for(i=0; i<10; i++) -{ - PyObject *tmp = PySequence_GetItem(v, i); - if (!(PyInt_Check(tmp) || PyLong_Check(tmp))) goto OUT_DECREF; -} - -st->st_mode = PyInt_AsLong(PySequence_GetItem(v, 0)); -st->st_ino = PyInt_AsLong(PySequence_GetItem(v, 1)); -st->st_dev = PyInt_AsLong(PySequence_GetItem(v, 2)); -st->st_nlink= PyInt_AsLong(PySequence_GetItem(v, 3)); -st->st_uid = PyInt_AsLong(PySequence_GetItem(v, 4)); -st->st_gid = PyInt_AsLong(PySequence_GetItem(v, 5)); -st->st_size = PyInt_AsLong(PySequence_GetItem(v, 6)); -st->st_atime= PyInt_AsLong(PySequence_GetItem(v, 7)); -st->st_mtime= PyInt_AsLong(PySequence_GetItem(v, 8)); -st->st_ctime= PyInt_AsLong(PySequence_GetItem(v, 9)); - -/* Fill in fields not provided by Python lstat() */ -st->st_blksize= 4096; -st->st_blocks= (st->st_size + 511)/512; -st->st_ino = 0; - -ret = 0; -EPILOGUE -} - -</t> -<t tx="davidmcnab.121303142957.7"> -static int readlink_func(const char *path, char *link, size_t size) -{ - PyObject *v = PyObject_CallFunction(readlink_cb, "s", path); - char *s; - PROLOGUE - - if(!PyString_Check(v)) { ret = -EINVAL; goto OUT_DECREF; } - s = PyString_AsString(v); - strncpy(link, s, size); - link[size-1] = '\0'; - ret = 0; - - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.8"> -static int getdir_add_entry(PyObject *w, fuse_dirh_t dh, fuse_dirfil_t df) -{ - PyObject *o0; - PyObject *o1; - int ret = -EINVAL; - - if(!PySequence_Check(w)) { - printf("getdir item not sequence\n"); - goto out; - } - if(PySequence_Length(w) != 2) { - printf("getdir item not len 2\n"); - goto out; - } - o0 = PySequence_GetItem(w, 0); - o1 = PySequence_GetItem(w, 1); - - if(!PyString_Check(o0)) { - printf("getdir item[0] not string\n"); - goto out_decref; - } - if(!PyInt_Check(o1)) { - printf("getdir item[1] not int\n"); - goto out_decref; - } - - ret = df(dh, PyString_AsString(o0), PyInt_AsLong(o1)); - -out_decref: - Py_DECREF(o0); - Py_DECREF(o1); - -out: - return ret; -} -</t> -<t tx="davidmcnab.121303142957.9"> -static int getdir_func(const char *path, fuse_dirh_t dh, fuse_dirfil_t df) -{ - PyObject *v = PyObject_CallFunction(getdir_cb, "s", path); - int i; - PROLOGUE - - if(!PySequence_Check(v)) { - printf("getdir_func not sequence\n"); - goto OUT_DECREF; - } - for(i=0; i < PySequence_Length(v); i++) { - PyObject *w = PySequence_GetItem(v, i); - ret = getdir_add_entry(w, dh, df); - Py_DECREF(w); - if(ret != 0) - goto OUT_DECREF; - } - ret = 0; - - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.10"> -static int mknod_func(const char *path, mode_t m, dev_t d) -{ - PyObject *v = PyObject_CallFunction(mknod_cb, "sii", path, m, d); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.11"> -static int mkdir_func(const char *path, mode_t m) -{ - PyObject *v = PyObject_CallFunction(mkdir_cb, "si", path, m); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.12"> -static int unlink_func(const char *path) -{ - PyObject *v = PyObject_CallFunction(unlink_cb, "s", path); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.13"> -static int rmdir_func(const char *path) -{ - PyObject *v = PyObject_CallFunction(rmdir_cb, "s", path); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.14"> -static int symlink_func(const char *path, const char *path1) -{ - PyObject *v = PyObject_CallFunction(symlink_cb, "ss", path, path1); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.15"> -static int rename_func(const char *path, const char *path1) -{ - PyObject *v = PyObject_CallFunction(rename_cb, "ss", path, path1); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.16"> -static int link_func(const char *path, const char *path1) -{ - PyObject *v = PyObject_CallFunction(link_cb, "ss", path, path1); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.17"> -static int chmod_func(const char *path, mode_t m) -{ - PyObject *v = PyObject_CallFunction(chmod_cb, "si", path, m); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.18"> -static int chown_func(const char *path, uid_t u, gid_t g) -{ - PyObject *v = PyObject_CallFunction(chown_cb, "sii", path, u, g); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.19"> -static int truncate_func(const char *path, off_t o) -{ - PyObject *v = PyObject_CallFunction(truncate_cb, "si", path, o); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.20"> -static int utime_func(const char *path, struct utimbuf *u) { - int actime = u ? u->actime : time(NULL); - int modtime = u ? u->modtime : actime; - PyObject *v = PyObject_CallFunction(utime_cb, "s(ii)", - path, actime, modtime); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.21"> -static int read_func(const char *path, char *buf, size_t s, off_t off) -{ - PyObject *v = PyObject_CallFunction(read_cb, "sii", path, s, off); - PROLOGUE - if(PyString_Check(v)) { - if(PyString_Size(v) > s) goto OUT_DECREF; - memcpy(buf, PyString_AsString(v), PyString_Size(v)); - ret = PyString_Size(v); - } - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.22"> -static int write_func(const char *path, const char *buf, size_t t, off_t off) -{ - PyObject *v = PyObject_CallFunction(write_cb,"ss#i", path, buf, t, off); - PROLOGUE - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.23"> -static int open_func(const char *path, int mode) -{ - PyObject *v = PyObject_CallFunction(open_cb, "si", path, mode); - PROLOGUE - printf("open_func: path=%s\n", path); - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.24">static int release_func(const char *path, int flags) -{ - PyObject *v = PyObject_CallFunction(release_cb, "si", path, flags); - PROLOGUE - //printf("release_func: path=%s flags=%d\n", path, flags); - EPILOGUE -} -</t> -<t tx="davidmcnab.121303142957.25"> -static void process_cmd(struct fuse *f, struct fuse_cmd *cmd, void *data) -{ - PyInterpreterState *interp = (PyInterpreterState *) data; - PyThreadState *state; - - PyEval_AcquireLock(); - state = PyThreadState_New(interp); - PyThreadState_Swap(state); - __fuse_process_cmd(f, cmd); - PyThreadState_Clear(state); - PyThreadState_Swap(NULL); - PyThreadState_Delete(state); - PyEval_ReleaseLock(); -} -</t> -<t tx="davidmcnab.121303142957.26"> -static void pyfuse_loop_mt(struct fuse *f) -{ - PyInterpreterState *interp; - PyThreadState *save; - - PyEval_InitThreads(); - interp = PyThreadState_Get()->interp; - save = PyEval_SaveThread(); - __fuse_loop_mt(f, process_cmd, interp); - /* Not yet reached: */ - PyEval_RestoreThread(save); -} -</t> -<t tx="davidmcnab.121303142957.27"> - -static PyObject * -Fuse_main(PyObject *self, PyObject *args, PyObject *kw) -{ - int flags=0; - int multithreaded=0; - static struct fuse *fuse=NULL; - - struct fuse_operations op; - - static char *kwlist[] = { - "getattr", "readlink", "getdir", "mknod", - "mkdir", "unlink", "rmdir", "symlink", "rename", - "link", "chmod", "chown", "truncate", "utime", - "open", "read", "write", "release", "statfs", "fsync", - "flags", "multithreaded", NULL}; - - memset(&op, 0, sizeof(op)); - - if (!PyArg_ParseTupleAndKeywords(args, kw, "|OOOOOOOOOOOOOOOOOOOOii", - kwlist, &getattr_cb, &readlink_cb, &getdir_cb, &mknod_cb, - &mkdir_cb, &unlink_cb, &rmdir_cb, &symlink_cb, &rename_cb, - &link_cb, &chmod_cb, &chown_cb, &truncate_cb, &utime_cb, - &open_cb, &read_cb, &write_cb, &release_cb, &statfs_cb, &fsync_cb, - &flags, &multithreaded)) - return NULL; - - #define DO_ONE_ATTR(name) if(name ## _cb) { Py_INCREF(name ## _cb); op.name = name ## _func; } else { op.name = NULL; } - - DO_ONE_ATTR(getattr); - DO_ONE_ATTR(readlink); - DO_ONE_ATTR(getdir); - DO_ONE_ATTR(mknod); - DO_ONE_ATTR(mkdir); - DO_ONE_ATTR(unlink); - DO_ONE_ATTR(rmdir); - DO_ONE_ATTR(symlink); - DO_ONE_ATTR(rename); - DO_ONE_ATTR(link); - DO_ONE_ATTR(chmod); - DO_ONE_ATTR(chown); - DO_ONE_ATTR(truncate); - DO_ONE_ATTR(utime); - DO_ONE_ATTR(open); - DO_ONE_ATTR(read); - DO_ONE_ATTR(write); - DO_ONE_ATTR(release); - DO_ONE_ATTR(statfs); - DO_ONE_ATTR(fsync); - - fuse = fuse_new(0, flags, &op); - if(multithreaded) - pyfuse_loop_mt(fuse); - else - fuse_loop(fuse); - - //printf("Fuse_main: called\n"); - - Py_INCREF(Py_None); - return Py_None; -} -</t> -<t tx="davidmcnab.121303142957.28">@ List of functions defined in the module -@c - -static PyMethodDef Fuse_methods[] = { - {"main", (PyCFunction)Fuse_main, METH_VARARGS|METH_KEYWORDS}, - {NULL, NULL} /* sentinel */ -}; - - -/* Initialization function for the module (*must* be called init_fuse) */ - -DL_EXPORT(void) -init_fuse(void) -{ - PyObject *m, *d; - static PyObject *ErrorObject; - - /* Create the module and add the functions */ - m = Py_InitModule("_fuse", Fuse_methods); - - /* Add some symbolic constants to the module */ - d = PyModule_GetDict(m); - ErrorObject = PyErr_NewException("fuse.error", NULL, NULL); - PyDict_SetItemString(d, "error", ErrorObject); - PyDict_SetItemString(d, "DEBUG", PyInt_FromLong(FUSE_DEBUG)); -} -</t> -<t tx="davidmcnab.121303142957.29"># -# Copyright (C) 2001 Jeff Epler <jepler@unpythonic.dhs.org> -# -# This program can be distributed under the terms of the GNU GPL. -# See the file COPYING. -# - - -@language python -@others -</t> -<t tx="davidmcnab.121303142957.30"># suppress version mismatch warnings -try: - import warnings - warnings.filterwarnings('ignore', - 'Python C API version mismatch', - RuntimeWarning, - ) -except: - pass - -from _fuse import main, DEBUG -import os, sys -from errno import * - -</t> -<t tx="davidmcnab.121303142957.31">class ErrnoWrapper: - @others -</t> -<t tx="davidmcnab.121303142957.32">def __init__(self, func): - self.func = func -</t> -<t tx="davidmcnab.121303142957.33">def __call__(self, *args, **kw): - try: - return apply(self.func, args, kw) - except (IOError, OSError), detail: - # Sometimes this is an int, sometimes an instance... - if hasattr(detail, "errno"): detail = detail.errno - return -detail -</t> -<t tx="davidmcnab.121303142957.34">class Fuse: - - @others -</t> -<t tx="davidmcnab.121303142957.35">_attrs = ['getattr', 'readlink', 'getdir', 'mknod', 'mkdir', - 'unlink', 'rmdir', 'symlink', 'rename', 'link', 'chmod', - 'chown', 'truncate', 'utime', 'open', 'read', 'write', 'release', - 'statfs', 'fsync'] - -flags = 0 -multithreaded = 0 - -</t> -<t tx="davidmcnab.121303142957.36">def __init__(self, *args, **kw): - - # default attributes - self.optlist = [] - self.optdict = {} - self.mountpoint = None - - # grab arguments, if any - argv = sys.argv - argc = len(argv) - if argc > 1: - # we've been given the mountpoint - self.mountpoint = argv[1] - if argc > 2: - # we've received mount args - optstr = argv[2] - opts = optstr.split(",") - for o in opts: - try: - k, v = o.split("=", 1) - self.optdict[k] = v - except: - self.optlist.append(o) -</t> -<t tx="davidmcnab.121303142957.37">def main(self): - d = {'flags': self.flags} - d['multithreaded'] = self.multithreaded - for a in self._attrs: - if hasattr(self,a): - d[a] = ErrnoWrapper(getattr(self, a)) - apply(main, (), d) -</t> -<t tx="davidmcnab.121303142957.38"># Makefile now uses distutils - -_fusemodule.so: _fusemodule.c - #gcc -g3 -I/usr/include/python2.1 _fusemodule.c -Wl,-shared -o _fusemodule.so -Wimplicit -lfuse && python -c 'import _fuse' - python setup.py build_ext --inplace - -install: _fusemodule.so - python setup.py install - -clean: - rm -rf _fusemodule.so *.pyc *.pyo *~ build -</t> -<t tx="davidmcnab.121303142957.39">@first #!/usr/bin/env python -# -# Copyright (C) 2001 Jeff Epler <jepler@unpythonic.dhs.org> -# -# This program can be distributed under the terms of the GNU GPL. -# See the file COPYING. -# - -@others -</t> -<t tx="davidmcnab.121303142957.40"> -from fuse import Fuse -import os -from errno import * -from stat import * - -import thread -</t> -<t tx="davidmcnab.121303142957.41">class Xmp(Fuse): - - @others -</t> -<t tx="davidmcnab.121303142957.42">def __init__(self, *args, **kw): - - Fuse.__init__(self, *args, **kw) - - if 0: - print "xmp.py:Xmp:mountpoint: %s" % repr(self.mountpoint) - print "xmp.py:Xmp:unnamed mount options: %s" % self.optlist - print "xmp.py:Xmp:named mount options: %s" % self.optdict - - # do stuff to set up your filesystem here, if you want - #thread.start_new_thread(self.mythread, ()) - pass -</t> -<t tx="davidmcnab.121303142957.43">def mythread(self): - - """ - The beauty of the FUSE python implementation is that with the python interp - running in foreground, you can have threads - """ - print "mythread: started" - #while 1: - # time.sleep(120) - # print "mythread: ticking" - -</t> -<t tx="davidmcnab.121303142957.44">flags = 1 - -</t> -<t tx="davidmcnab.121303142957.45">def getattr(self, path): - return os.lstat(path) -</t> -<t tx="davidmcnab.121303142957.46">def readlink(self, path): - return os.readlink(path) -</t> -<t tx="davidmcnab.121303142957.47">def getdir(self, path): - return map(lambda x: (x,0), os.listdir(path)) -</t> -<t tx="davidmcnab.121303142957.48">def unlink(self, path): - return os.unlink(path) -</t> -<t tx="davidmcnab.121303142957.49">def rmdir(self, path): - return os.rmdir(path) -</t> -<t tx="davidmcnab.121303142957.50">def symlink(self, path, path1): - return os.symlink(path, path1) -</t> -<t tx="davidmcnab.121303142957.51">def rename(self, path, path1): - return os.rename(path, path1) -</t> -<t tx="davidmcnab.121303142957.52">def link(self, path, path1): - return os.link(path, path1) -</t> -<t tx="davidmcnab.121303142957.53">def chmod(self, path, mode): - return os.chmod(path, mode) -</t> -<t tx="davidmcnab.121303142957.54">def chown(self, path, user, group): - return os.chown(path, user, group) -</t> -<t tx="davidmcnab.121303142957.55">def truncate(self, path, size): - f = open(path, "w+") - return f.truncate(size) -</t> -<t tx="davidmcnab.121303142957.56">def mknod(self, path, mode, dev): - """ Python has no os.mknod, so we can only do some things """ - if S_ISREG(mode): - open(path, "w") - else: - return -EINVAL -</t> -<t tx="davidmcnab.121303142957.57">def mkdir(self, path, mode): - return os.mkdir(path, mode) -</t> -<t tx="davidmcnab.121303142957.58">def utime(self, path, times): - return os.utime(path, times) -</t> -<t tx="davidmcnab.121303142957.59">def open(self, path, flags): - #print "xmp.py:Xmp:open: %s" % path - os.close(os.open(path, flags)) - return 0 - -</t> -<t tx="davidmcnab.121303142957.60">def read(self, path, len, offset): - #print "xmp.py:Xmp:read: %s" % path - f = open(path, "r") - f.seek(offset) - return f.read(len) - -</t> -<t tx="davidmcnab.121303142957.61">def write(self, path, buf, off): - #print "xmp.py:Xmp:write: %s" % path - f = open(path, "r+") - f.seek(off) - f.write(buf) - return len(buf) - -</t> -<t tx="davidmcnab.121303142957.62">def release(self, path, flags): - print "xmp.py:Xmp:release: %s %s" % (path, flags) - return 0 -</t> -<t tx="davidmcnab.121303142957.63"> -if __name__ == '__main__': - - server = Xmp() - server.flags = 0 - server.multithreaded = 1; - server.main() -</t> -<t tx="davidmcnab.121303142957.64">""" -distutils script for FUSE python module -""" - -from distutils.core import setup, Extension - -setup(name="fuse", - version="0.1", - ext_modules=[Extension("_fusemodule", ["_fusemodule.c"], - library_dirs=["../lib",], - libraries=["fuse",], - ), - ], - py_modules=["fuse"], - ) - -</t> -<t tx="davidmcnab.121303142957.65">@language - -Refer to the INSTALL file for build/install instructions - -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?) - -Update -====== - -Updated 13-Dec-2003 by David McNab <david@rebirthing.co.nz> - - - changed Makefile to use Pyton distutils - - added setup.py for distutils - - - added 'code.leo' file for convenience of those who use the Leo - code editor (leo.sf.net) - - - added support for 'statfs' and 'fsync' methods (refer xmp.py) - -Updated Dec 2003 by David McNab <david@rebirthing.co.nz>: - - - added support for 'release' events (ie when file gets closed) - - added __init__ to base class, which picks off parameters and - stores them as instance attributes: - - self.mountpoint - the mountpoint as given in the mount command - - self.optlist - unnamed options (eg 'rw', 'exec' etc) - - self.optdict - named options (eg, '-o arg1=val1,arg2=val2...' from mount cmd) - - fixed incompatibility issues with recent pythons (original was broken - under python2.3) - -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/ -</t> -<t tx="davidmcnab.121303142957.67">@first #!/usr/bin/env python - -""" -This utility allows FUSE filesystems to be mounted with the regular *nix -'mount' command, or even be listed in /etc/fstab - -To enable this, you need to: - 1. set execute-permission on this script - 2. symlink this script into /sbin/mount.fuse - -Usage: - - You can use this in 3 ways: - 1. mount -t fuse /path/to/script/or/program /path/of/mount/point [options] - 2. mount -t fuse none /path/of/mount/point -o fs=/path/to/script/or/prog[,opt=val...] - 3. in /etc/fstab, add: - /path/to/script/or/prog /path/of/mount/point fuse noauto[,...] -""" - -import sys, os, time - -progname = sys.argv[0] - -def usage(ret): - print "Usage: %s /path/to/fuse/fs /path/of/mountpoint [-o options]" % progname - print "or: %s none /path/of/mountpoint [-o fs=/path/to/fuse/fs[,...]]" % progname - sys.exit(ret) - -def main(): - - # initial sanity check - argc = len(sys.argv) - if argc < 3 or sys.argv[3] != "-o": - usage(1) - - dev = sys.argv[1] - mountpoint = sys.argv[2] - - # grab options, if any - optdict = {} - optlist = [] - if argc > 4: - odata = sys.argv[4] - opts = odata.split(",") - #print opts - for o in opts: - try: - k, v = o.split("=", 1) - optdict[k] = v - except: - optlist.append(o) - else: - odata = "" - - #print sys.argv - if dev == 'none': - if not optdict.has_key("fs"): - print "%s: Must specify python file with 'fs' option\n" % progname - usage(1) - pyfile = optdict['fs'] - else: - pyfile = dev - - if not os.path.isfile(pyfile): - print "%s: file %s doesn't exist, or is not a file" % (progname, pyfile) - sys.exit(1) - pypath = os.path.abspath(pyfile) - - #print optdict, optlist - - # all seems ok - run our fuse fs as a child - if os.fork() == 0: - os.system("fusermount -c -x %s %s %s %s" % (mountpoint, pypath, mountpoint, odata)) - else: - #print "parent exiting..." - pass - -if __name__ == '__main__': - main() - -</t> -<t tx="davidmcnab.121303144134">def statfs(self): - """ - Should return a tuple with the following 6 elements: - - blocksize - size of file blocks, in bytes - - totalblocks - total number of blocks in the filesystem - - freeblocks - number of free blocks - - totalfiles - total number of file inodes - - freefiles - nunber of free file inodes - - Feel free to set any of the above values to 0, which tells - the kernel that the info is not available. - """ - print "xmp.py:Xmp:statfs: returning fictitious values" - blocks_size = 1024 - blocks = 100000 - blocks_free = 25000 - files = 100000 - files_free = 60000 - namelen = 80 - return (blocks_size, blocks, blocks_free, files, files_free, namelen) -</t> -<t tx="davidmcnab.121303144134.1">def fsync(self, path, isfsyncfile): - print "xmp.py:Xmp:fsync: path=%s, isfsyncfile=%s" % (path, isfsyncfile) - return 0 - -</t> -<t tx="davidmcnab.121303144441">static int statfs_func(struct fuse_statfs *fst) -{ - int i; - long retvalues[6]; - PyObject *v = PyObject_CallFunction(statfs_cb, ""); -PROLOGUE - - if (!PySequence_Check(v)) - { goto OUT_DECREF; } - if (PySequence_Size(v) < 6) - { goto OUT_DECREF; } - for(i=0; i<6; i++) - { - PyObject *tmp = PySequence_GetItem(v, i); - retvalues[i] = PyInt_Check(tmp) - ? PyInt_AsLong(tmp) - : (PyLong_Check(tmp) - ? PyLong_AsLong(tmp) - : 0); - } - - fst->block_size = retvalues[0]; - fst->blocks = retvalues[1]; - fst->blocks_free = retvalues[2]; - fst->files = retvalues[3]; - fst->files_free = retvalues[4]; - fst->namelen = retvalues[5]; - ret = 0; - -#ifdef IGNORE_THIS - printf("block_size=%ld, blocks=%ld, blocks_free=%ld, files=%ld, files_free=%ld, namelen=%ld\n", - retvalues[0], retvalues[1], retvalues[2], retvalues[3], retvalues[4], retvalues[5]); -#endif - -EPILOGUE - -} - -</t> -<t tx="davidmcnab.121303144441.1">static int fsync_func(const char *path, int isfsyncfile) -{ - PyObject *v = PyObject_CallFunction(fsync_cb, "si", path, isfsyncfile); - PROLOGUE - EPILOGUE -} - -</t> -<t tx="davidmcnab.121403050157">@ignore -@language python -<< fuse declarations >> -@others - #@-node:main - #@-others -#@-node:class Fuse -#@-others -#@-node:@file fuse.py -#@-leo -</t> -<t tx="davidmcnab.121403050157.1">#@+leo-ver=4 -#@+node:@file fuse.py -# -# Copyright (C) 2001 Jeff Epler <jepler@unpythonic.dhs.org> -# -# This program can be distributed under the terms of the GNU GPL. -# See the file COPYING. -# - - -#@@language python -#@+others -#@+node:imports -# suppress version mismatch warnings -try: - import warnings - warnings.filterwarnings('ignore', - 'Python C API version mismatch', - RuntimeWarning, - ) -except: - pass - -from _fuse import main, DEBUG -import os, sys -from errno import * - -#@-node:imports -#@+node:class ErrnoWrapper -</t> -<t tx="davidmcnab.121403050157.2">class ErrnoWrapper: - << class ErrnoWrapper declarations >> - @others -</t> -<t tx="davidmcnab.121403050157.3"> #@ @+others - #@+node:__init__ -</t> -<t tx="davidmcnab.121403050157.4">def __init__(self, func): - self.func = func -</t> -<t tx="davidmcnab.121403050157.5">#@-node:__init__ -#@+node:__call__ -def __call__(self, *args, **kw): - try: - return apply(self.func, args, kw) - except (IOError, OSError), detail: - # Sometimes this is an int, sometimes an instance... - if hasattr(detail, "errno"): detail = detail.errno - return -detail -</t> -<t tx="davidmcnab.121403050157.6"> #@-node:__call__ - #@-others -#@-node:class ErrnoWrapper -#@+node:class Fuse -class Fuse: - << class Fuse declarations >> - @others -</t> -<t tx="davidmcnab.121403050157.7">#@ @+others -#@+node:attribs -_attrs = ['getattr', 'readlink', 'getdir', 'mknod', 'mkdir', - 'unlink', 'rmdir', 'symlink', 'rename', 'link', 'chmod', - 'chown', 'truncate', 'utime', 'open', 'read', 'write', 'release', - 'statfs', 'fsync'] - -flags = 0 -multithreaded = 0 - -#@-node:attribs -#@+node:__init__ -</t> -<t tx="davidmcnab.121403050157.8">def __init__(self, *args, **kw): - - # default attributes - self.optlist = [] - self.optdict = {} - self.mountpoint = None - - # grab arguments, if any - argv = sys.argv - argc = len(argv) - if argc > 1: - # we've been given the mountpoint - self.mountpoint = argv[1] - if argc > 2: - # we've received mount args - optstr = argv[2] - opts = optstr.split(",") - for o in opts: - try: - k, v = o.split("=", 1) - self.optdict[k] = v - except: - self.optlist.append(o) -</t> -<t tx="davidmcnab.121403050157.9">#@-node:__init__ -#@+node:main -def main(self): - d = {'flags': self.flags} - d['multithreaded'] = self.multithreaded - for a in self._attrs: - if hasattr(self,a): - d[a] = ErrnoWrapper(getattr(self, a)) - apply(main, (), d) -</t> -</tnodes> -</leo_file> |