16 #include <sys/stat.h> |
16 #include <sys/stat.h> |
17 #include <sys/types.h> |
17 #include <sys/types.h> |
18 #include <unistd.h> |
18 #include <unistd.h> |
19 |
19 |
20 struct listdir_stat { |
20 struct listdir_stat { |
21 PyObject_HEAD |
21 PyObject_HEAD |
22 struct stat st; |
22 struct stat st; |
23 }; |
23 }; |
24 |
24 |
25 #define listdir_slot(name) \ |
25 #define listdir_slot(name) \ |
26 static PyObject *listdir_stat_##name(PyObject *self, void *x) \ |
26 static PyObject *listdir_stat_##name(PyObject *self, void *x) \ |
27 { \ |
27 { \ |
28 return PyInt_FromLong(((struct listdir_stat *) self)->st.name); \ |
28 return PyInt_FromLong(((struct listdir_stat *)self)->st.name); \ |
29 } |
29 } |
30 |
30 |
31 listdir_slot(st_dev); |
31 listdir_slot(st_dev); |
32 listdir_slot(st_mode); |
32 listdir_slot(st_mode); |
33 listdir_slot(st_nlink); |
33 listdir_slot(st_nlink); |
34 listdir_slot(st_size); |
34 listdir_slot(st_size); |
35 listdir_slot(st_mtime); |
35 listdir_slot(st_mtime); |
36 listdir_slot(st_ctime); |
36 listdir_slot(st_ctime); |
37 |
37 |
38 static struct PyGetSetDef listdir_stat_getsets[] = { |
38 static struct PyGetSetDef listdir_stat_getsets[] = { |
39 {"st_dev", listdir_stat_st_dev, 0, 0, 0}, |
39 {"st_dev", listdir_stat_st_dev, 0, 0, 0}, |
40 {"st_mode", listdir_stat_st_mode, 0, 0, 0}, |
40 {"st_mode", listdir_stat_st_mode, 0, 0, 0}, |
41 {"st_nlink", listdir_stat_st_nlink, 0, 0, 0}, |
41 {"st_nlink", listdir_stat_st_nlink, 0, 0, 0}, |
42 {"st_size", listdir_stat_st_size, 0, 0, 0}, |
42 {"st_size", listdir_stat_st_size, 0, 0, 0}, |
43 {"st_mtime", listdir_stat_st_mtime, 0, 0, 0}, |
43 {"st_mtime", listdir_stat_st_mtime, 0, 0, 0}, |
44 {"st_ctime", listdir_stat_st_ctime, 0, 0, 0}, |
44 {"st_ctime", listdir_stat_st_ctime, 0, 0, 0}, |
45 {0, 0, 0, 0, 0} |
45 {0, 0, 0, 0, 0} |
46 }; |
46 }; |
47 |
47 |
48 static PyObject *listdir_stat_new(PyTypeObject *t, PyObject *a, PyObject *k) |
48 static PyObject *listdir_stat_new(PyTypeObject *t, PyObject *a, PyObject *k) |
49 { |
49 { |
50 return (*t->tp_alloc)(t, 0); |
50 return t->tp_alloc(t, 0); |
51 } |
51 } |
52 |
52 |
53 static void listdir_stat_dealloc(PyObject *o) |
53 static void listdir_stat_dealloc(PyObject *o) |
54 { |
54 { |
55 (*o->ob_type->tp_free)(o); |
55 o->ob_type->tp_free(o); |
56 } |
56 } |
57 |
57 |
58 static PyTypeObject listdir_stat_type = { |
58 static PyTypeObject listdir_stat_type = { |
59 PyObject_HEAD_INIT(NULL) |
59 PyObject_HEAD_INIT(NULL) |
60 0, /*ob_size*/ |
60 0, /*ob_size*/ |
61 "osutil.stat", /*tp_name*/ |
61 "osutil.stat", /*tp_name*/ |
62 sizeof(struct listdir_stat), /*tp_basicsize*/ |
62 sizeof(struct listdir_stat), /*tp_basicsize*/ |
63 0, /*tp_itemsize*/ |
63 0, /*tp_itemsize*/ |
64 (destructor)listdir_stat_dealloc, /*tp_dealloc*/ |
64 (destructor)listdir_stat_dealloc, /*tp_dealloc*/ |
65 0, /*tp_print*/ |
65 0, /*tp_print*/ |
66 0, /*tp_getattr*/ |
66 0, /*tp_getattr*/ |
67 0, /*tp_setattr*/ |
67 0, /*tp_setattr*/ |
68 0, /*tp_compare*/ |
68 0, /*tp_compare*/ |
69 0, /*tp_repr*/ |
69 0, /*tp_repr*/ |
70 0, /*tp_as_number*/ |
70 0, /*tp_as_number*/ |
71 0, /*tp_as_sequence*/ |
71 0, /*tp_as_sequence*/ |
72 0, /*tp_as_mapping*/ |
72 0, /*tp_as_mapping*/ |
73 0, /*tp_hash */ |
73 0, /*tp_hash */ |
74 0, /*tp_call*/ |
74 0, /*tp_call*/ |
75 0, /*tp_str*/ |
75 0, /*tp_str*/ |
76 0, /*tp_getattro*/ |
76 0, /*tp_getattro*/ |
77 0, /*tp_setattro*/ |
77 0, /*tp_setattro*/ |
78 0, /*tp_as_buffer*/ |
78 0, /*tp_as_buffer*/ |
79 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ |
79 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ |
80 "stat objects", /* tp_doc */ |
80 "stat objects", /* tp_doc */ |
81 0, /* tp_traverse */ |
81 0, /* tp_traverse */ |
82 0, /* tp_clear */ |
82 0, /* tp_clear */ |
83 0, /* tp_richcompare */ |
83 0, /* tp_richcompare */ |
84 0, /* tp_weaklistoffset */ |
84 0, /* tp_weaklistoffset */ |
85 0, /* tp_iter */ |
85 0, /* tp_iter */ |
86 0, /* tp_iternext */ |
86 0, /* tp_iternext */ |
87 0, /* tp_methods */ |
87 0, /* tp_methods */ |
88 0, /* tp_members */ |
88 0, /* tp_members */ |
89 listdir_stat_getsets, /* tp_getset */ |
89 listdir_stat_getsets, /* tp_getset */ |
90 0, /* tp_base */ |
90 0, /* tp_base */ |
91 0, /* tp_dict */ |
91 0, /* tp_dict */ |
92 0, /* tp_descr_get */ |
92 0, /* tp_descr_get */ |
93 0, /* tp_descr_set */ |
93 0, /* tp_descr_set */ |
94 0, /* tp_dictoffset */ |
94 0, /* tp_dictoffset */ |
95 0, /* tp_init */ |
95 0, /* tp_init */ |
96 0, /* tp_alloc */ |
96 0, /* tp_alloc */ |
97 listdir_stat_new, /* tp_new */ |
97 listdir_stat_new, /* tp_new */ |
98 }; |
98 }; |
99 |
99 |
100 static inline int mode_to_kind(int mode) |
100 static inline int mode_to_kind(int mode) |
101 { |
101 { |
102 if (S_ISREG(mode)) return S_IFREG; |
102 if (S_ISREG(mode)) return S_IFREG; |
103 if (S_ISDIR(mode)) return S_IFDIR; |
103 if (S_ISDIR(mode)) return S_IFDIR; |
104 if (S_ISLNK(mode)) return S_IFLNK; |
104 if (S_ISLNK(mode)) return S_IFLNK; |
105 if (S_ISBLK(mode)) return S_IFBLK; |
105 if (S_ISBLK(mode)) return S_IFBLK; |
106 if (S_ISCHR(mode)) return S_IFCHR; |
106 if (S_ISCHR(mode)) return S_IFCHR; |
107 if (S_ISFIFO(mode)) return S_IFIFO; |
107 if (S_ISFIFO(mode)) return S_IFIFO; |
108 if (S_ISSOCK(mode)) return S_IFSOCK; |
108 if (S_ISSOCK(mode)) return S_IFSOCK; |
109 return mode; |
109 return mode; |
110 } |
110 } |
111 |
111 |
112 static PyObject *listdir(PyObject *self, PyObject *args, PyObject *kwargs) |
112 static PyObject *listdir(PyObject *self, PyObject *args, PyObject *kwargs) |
113 { |
113 { |
114 DIR *dir = NULL; |
|
115 struct dirent *ent; |
|
116 PyObject *list = NULL; |
|
117 PyObject *ctor_args = NULL; |
|
118 int all_kinds = 1; |
|
119 char *full_path; |
|
120 int path_len; |
|
121 int do_stat; |
|
122 char *path; |
|
123 int ret; |
|
124 |
|
125 { |
|
126 static char *kwlist[] = { "path", "stat", NULL }; |
114 static char *kwlist[] = { "path", "stat", NULL }; |
127 PyObject *statobj = NULL; |
115 PyObject *statobj = NULL; |
|
116 DIR *dir = NULL; |
|
117 struct dirent *ent; |
|
118 PyObject *list = NULL; |
|
119 PyObject *ctor_args = NULL; |
|
120 int all_kinds = 1; |
|
121 char *full_path; |
|
122 int path_len; |
|
123 int do_stat; |
|
124 char *path; |
|
125 int ret; |
|
126 ssize_t size; |
|
127 ssize_t i; |
|
128 int dfd; |
128 |
129 |
129 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s#|O:listdir", kwlist, |
130 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s#|O:listdir", kwlist, |
130 &path, &path_len, &statobj)) |
131 &path, &path_len, &statobj)) |
131 goto bail; |
132 goto bail; |
132 |
133 |
133 do_stat = statobj && PyObject_IsTrue(statobj); |
134 do_stat = statobj && PyObject_IsTrue(statobj); |
134 } |
135 |
135 |
136 dir = opendir(path); |
136 if ((dir = opendir(path)) == NULL) { |
137 if (!dir) { |
137 list = PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); |
138 list = PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); |
138 goto bail; |
139 goto bail; |
139 } |
140 } |
140 |
141 |
141 if ((list = PyList_New(0)) == NULL) |
142 list = PyList_New(0); |
142 goto bail; |
143 if (!list) |
143 |
144 goto bail; |
144 full_path = alloca(path_len + PATH_MAX + 2); |
145 |
145 memcpy(full_path, path, path_len); |
146 full_path = alloca(path_len + PATH_MAX + 2); |
146 full_path[path_len] = '/'; |
147 memcpy(full_path, path, path_len); |
147 |
148 full_path[path_len] = '/'; |
148 while ((ent = readdir(dir))) { |
149 |
149 PyObject *name = NULL; |
150 for (ent = readdir(dir); ent; ent = readdir(dir)) { |
150 PyObject *py_kind = NULL; |
151 PyObject *name = NULL; |
151 PyObject *val = NULL; |
152 PyObject *py_kind = NULL; |
152 unsigned char d_type; |
153 PyObject *val = NULL; |
153 int kind = -1; |
154 unsigned char d_type; |
154 |
155 int kind = -1; |
155 if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) |
156 |
156 continue; |
157 if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) |
|
158 continue; |
157 |
159 |
158 #ifdef DT_REG |
160 #ifdef DT_REG |
159 if (do_stat) |
161 if (do_stat) |
160 d_type = 0; |
162 d_type = 0; |
161 else |
163 else |
162 d_type = ent->d_type; |
164 d_type = ent->d_type; |
163 #else |
165 #else |
164 d_type = 0; |
166 d_type = 0; |
165 #endif |
167 #endif |
166 |
168 |
167 switch (d_type) { |
169 switch (d_type) { |
168 #ifdef DT_REG |
170 #ifdef DT_REG |
169 case DT_REG: kind = S_IFREG; break; |
171 case DT_REG: kind = S_IFREG; break; |
170 case DT_DIR: kind = S_IFDIR; break; |
172 case DT_DIR: kind = S_IFDIR; break; |
171 case DT_LNK: kind = S_IFLNK; break; |
173 case DT_LNK: kind = S_IFLNK; break; |
172 case DT_BLK: kind = S_IFBLK; break; |
174 case DT_BLK: kind = S_IFBLK; break; |
173 case DT_CHR: kind = S_IFCHR; break; |
175 case DT_CHR: kind = S_IFCHR; break; |
174 case DT_FIFO: kind = S_IFIFO; break; |
176 case DT_FIFO: kind = S_IFIFO; break; |
175 case DT_SOCK: kind = S_IFSOCK; break; |
177 case DT_SOCK: kind = S_IFSOCK; break; |
176 #endif |
178 #endif |
177 default: |
179 default: |
178 if (all_kinds) |
180 if (all_kinds) |
179 all_kinds = 0; |
181 all_kinds = 0; |
180 break; |
182 break; |
|
183 } |
|
184 |
|
185 name = PyString_FromString(ent->d_name); |
|
186 if (kind != -1) |
|
187 py_kind = PyInt_FromLong(kind); |
|
188 else { |
|
189 py_kind = Py_None; |
|
190 Py_INCREF(Py_None); |
|
191 } |
|
192 |
|
193 val = PyTuple_New(do_stat ? 3 : 2); |
|
194 |
|
195 if (!name || !py_kind || !val) { |
|
196 Py_XDECREF(name); |
|
197 Py_XDECREF(py_kind); |
|
198 Py_XDECREF(val); |
|
199 goto bail; |
|
200 } |
|
201 |
|
202 PyTuple_SET_ITEM(val, 0, name); |
|
203 PyTuple_SET_ITEM(val, 1, py_kind); |
|
204 if (do_stat) { |
|
205 PyTuple_SET_ITEM(val, 2, Py_None); |
|
206 Py_INCREF(Py_None); |
|
207 } |
|
208 |
|
209 PyList_Append(list, val); |
|
210 Py_DECREF(val); |
181 } |
211 } |
182 |
212 |
183 name = PyString_FromString(ent->d_name); |
213 PyList_Sort(list); |
184 if (kind != -1) |
214 size = PyList_Size(list); |
185 py_kind = PyInt_FromLong(kind); |
215 #ifdef AT_SYMLINK_NOFOLLOW |
186 else { |
216 dfd = dirfd(dir); |
187 py_kind = Py_None; |
217 #endif |
188 Py_INCREF(Py_None); |
218 |
|
219 if (do_stat || !all_kinds) { |
|
220 for (i = 0; i < size; i++) { |
|
221 PyObject *elt = PyList_GetItem(list, i); |
|
222 char *name = PyString_AsString(PyTuple_GET_ITEM(elt, 0)); |
|
223 PyObject *py_st = NULL; |
|
224 PyObject *py_kind = PyTuple_GET_ITEM(elt, 1); |
|
225 int kind; |
|
226 |
|
227 kind = py_kind == Py_None ? -1 : PyInt_AsLong(py_kind); |
|
228 |
|
229 if (kind != -1 && !do_stat) |
|
230 continue; |
|
231 |
|
232 strcpy(full_path + path_len + 1, name); |
|
233 |
|
234 if (do_stat) { |
|
235 struct listdir_stat *st; |
|
236 |
|
237 if (!ctor_args) { |
|
238 ctor_args = PyTuple_New(0); |
|
239 if (!ctor_args) |
|
240 goto bail; |
|
241 } |
|
242 |
|
243 st = (struct listdir_stat *) |
|
244 PyObject_CallObject((PyObject *)&listdir_stat_type, |
|
245 ctor_args); |
|
246 |
|
247 if (!st) |
|
248 goto bail; |
|
249 #ifdef AT_SYMLINK_NOFOLLOW |
|
250 ret = fstatat(dfd, name, &st->st, AT_SYMLINK_NOFOLLOW); |
|
251 #else |
|
252 ret = lstat(full_path, &st->st); |
|
253 #endif |
|
254 if (ret == -1) { |
|
255 list = PyErr_SetFromErrnoWithFilename(PyExc_OSError, |
|
256 full_path); |
|
257 goto bail; |
|
258 } |
|
259 if (kind == -1) |
|
260 kind = mode_to_kind(st->st.st_mode); |
|
261 py_st = (PyObject *)st; |
|
262 } else { |
|
263 struct stat buf; |
|
264 #ifdef AT_SYMLINK_NOFOLLOW |
|
265 ret = fstatat(dfd, ent->d_name, &buf, AT_SYMLINK_NOFOLLOW); |
|
266 #else |
|
267 ret = lstat(full_path, &buf); |
|
268 #endif |
|
269 if (ret == -1) { |
|
270 list = PyErr_SetFromErrnoWithFilename(PyExc_OSError, |
|
271 full_path); |
|
272 goto bail; |
|
273 } |
|
274 if (kind == -1) |
|
275 kind = mode_to_kind(buf.st_mode); |
|
276 } |
|
277 |
|
278 if (py_kind == Py_None && kind != -1) { |
|
279 py_kind = PyInt_FromLong(kind); |
|
280 if (!py_kind) |
|
281 goto bail; |
|
282 Py_XDECREF(Py_None); |
|
283 PyTuple_SET_ITEM(elt, 1, py_kind); |
|
284 } |
|
285 |
|
286 if (do_stat) { |
|
287 if (!py_st) { |
|
288 py_st = Py_None; |
|
289 Py_INCREF(Py_None); |
|
290 } |
|
291 PyTuple_SET_ITEM(elt, 2, py_st); |
|
292 } |
|
293 } |
189 } |
294 } |
190 |
295 |
191 val = PyTuple_New(do_stat ? 3 : 2); |
296 goto done; |
192 |
297 |
193 if (name == NULL || py_kind == NULL || val == NULL) { |
298 bail: |
194 Py_XDECREF(name); |
299 Py_XDECREF(list); |
195 Py_XDECREF(py_kind); |
300 |
196 Py_XDECREF(val); |
301 done: |
197 |
302 Py_XDECREF(ctor_args); |
198 goto bail; |
303 if (dir) |
199 } |
304 closedir(dir); |
200 |
305 return list; |
201 PyTuple_SET_ITEM(val, 0, name); |
306 } |
202 PyTuple_SET_ITEM(val, 1, py_kind); |
307 |
203 if (do_stat) { |
|
204 PyTuple_SET_ITEM(val, 2, Py_None); |
|
205 Py_INCREF(Py_None); |
|
206 } |
|
207 |
|
208 PyList_Append(list, val); |
|
209 Py_DECREF(val); |
|
210 } |
|
211 |
|
212 PyList_Sort(list); |
|
213 |
|
214 if (do_stat || !all_kinds) { |
|
215 ssize_t size = PyList_Size(list); |
|
216 ssize_t i; |
|
217 #ifdef AT_SYMLINK_NOFOLLOW |
|
218 int dfd = dirfd(dir); |
|
219 #endif |
|
220 |
|
221 for (i = 0; i < size; i++) { |
|
222 PyObject *elt = PyList_GetItem(list, i); |
|
223 char *name = PyString_AsString(PyTuple_GET_ITEM(elt, 0)); |
|
224 PyObject *py_st = NULL; |
|
225 PyObject *py_kind = PyTuple_GET_ITEM(elt, 1); |
|
226 int kind; |
|
227 |
|
228 kind = py_kind == Py_None ? -1 : PyInt_AsLong(py_kind); |
|
229 |
|
230 if (kind != -1 && !do_stat) |
|
231 continue; |
|
232 |
|
233 strcpy(full_path + path_len + 1, name); |
|
234 |
|
235 if (do_stat) { |
|
236 struct listdir_stat *st; |
|
237 |
|
238 if (ctor_args == NULL) { |
|
239 ctor_args = PyTuple_New(0); |
|
240 if (ctor_args == NULL) |
|
241 goto bail; |
|
242 } |
|
243 |
|
244 st = (struct listdir_stat *) |
|
245 PyObject_CallObject((PyObject *) &listdir_stat_type, |
|
246 ctor_args); |
|
247 if (st == NULL) |
|
248 goto bail; |
|
249 #ifdef AT_SYMLINK_NOFOLLOW |
|
250 ret = fstatat(dfd, name, &st->st, AT_SYMLINK_NOFOLLOW); |
|
251 #else |
|
252 ret = lstat(full_path, &st->st); |
|
253 #endif |
|
254 if (ret == -1) { |
|
255 list = PyErr_SetFromErrnoWithFilename(PyExc_OSError, |
|
256 full_path); |
|
257 goto bail; |
|
258 } |
|
259 if (kind == -1) |
|
260 kind = mode_to_kind(st->st.st_mode); |
|
261 py_st = (PyObject *) st; |
|
262 } else { |
|
263 struct stat buf; |
|
264 #ifdef AT_SYMLINK_NOFOLLOW |
|
265 ret = fstatat(dfd, ent->d_name, &buf, AT_SYMLINK_NOFOLLOW); |
|
266 #else |
|
267 ret = lstat(full_path, &buf); |
|
268 #endif |
|
269 if (ret == -1) { |
|
270 list = PyErr_SetFromErrnoWithFilename(PyExc_OSError, |
|
271 full_path); |
|
272 goto bail; |
|
273 } |
|
274 if (kind == -1) |
|
275 kind = mode_to_kind(buf.st_mode); |
|
276 } |
|
277 |
|
278 if (py_kind == Py_None && kind != -1) { |
|
279 py_kind = PyInt_FromLong(kind); |
|
280 if (py_kind == NULL) |
|
281 goto bail; |
|
282 Py_XDECREF(Py_None); |
|
283 PyTuple_SET_ITEM(elt, 1, py_kind); |
|
284 } |
|
285 |
|
286 if (do_stat) { |
|
287 if (py_st == NULL) { |
|
288 py_st = Py_None; |
|
289 Py_INCREF(Py_None); |
|
290 } |
|
291 PyTuple_SET_ITEM(elt, 2, py_st); |
|
292 } |
|
293 } |
|
294 } |
|
295 |
|
296 goto done; |
|
297 |
|
298 bail: |
|
299 Py_XDECREF(list); |
|
300 |
|
301 done: |
|
302 Py_XDECREF(ctor_args); |
|
303 if (dir) |
|
304 closedir(dir); |
|
305 |
|
306 return list; |
|
307 } |
|
308 |
308 |
309 static char osutil_doc[] = "Native operating system services."; |
309 static char osutil_doc[] = "Native operating system services."; |
310 |
310 |
311 static PyMethodDef methods[] = { |
311 static PyMethodDef methods[] = { |
312 {"listdir", (PyCFunction) listdir, METH_VARARGS | METH_KEYWORDS, |
312 {"listdir", (PyCFunction)listdir, METH_VARARGS | METH_KEYWORDS, |
313 "list a directory\n"}, |
313 "list a directory\n"}, |
314 {NULL, NULL} |
314 {NULL, NULL} |
315 }; |
315 }; |
316 |
316 |
317 PyMODINIT_FUNC initosutil(void) |
317 PyMODINIT_FUNC initosutil(void) |
318 { |
318 { |
319 if (PyType_Ready(&listdir_stat_type) == -1) |
319 if (PyType_Ready(&listdir_stat_type) == -1) |
320 return; |
320 return; |
321 |
321 |
322 Py_InitModule3("osutil", methods, osutil_doc); |
322 Py_InitModule3("osutil", methods, osutil_doc); |
323 } |
323 } |