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9cdf6c53 MT |
1 | /* |
2 | libloc - A library to determine the location of someone on the Internet | |
3 | ||
4 | Copyright (C) 2017 IPFire Development Team <info@ipfire.org> | |
5 | ||
6 | This library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | This library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | */ | |
16 | ||
17 | #include <Python.h> | |
18 | ||
9fc7f001 | 19 | #include <loc/libloc.h> |
84a2f0c2 MT |
20 | #include <loc/as.h> |
21 | #include <loc/as-list.h> | |
9fc7f001 MT |
22 | #include <loc/database.h> |
23 | ||
1da9cd39 | 24 | #include "locationmodule.h" |
86ca7ef7 | 25 | #include "as.h" |
7c922e9c | 26 | #include "country.h" |
9cdf6c53 | 27 | #include "database.h" |
31edab76 | 28 | #include "network.h" |
9cdf6c53 MT |
29 | |
30 | static PyObject* Database_new(PyTypeObject* type, PyObject* args, PyObject* kwds) { | |
9cdf6c53 | 31 | DatabaseObject* self = (DatabaseObject*)type->tp_alloc(type, 0); |
9cdf6c53 MT |
32 | |
33 | return (PyObject*)self; | |
34 | } | |
35 | ||
36 | static void Database_dealloc(DatabaseObject* self) { | |
37 | if (self->db) | |
38 | loc_database_unref(self->db); | |
39 | ||
6fd96715 MT |
40 | if (self->path) |
41 | free(self->path); | |
42 | ||
9cdf6c53 MT |
43 | Py_TYPE(self)->tp_free((PyObject* )self); |
44 | } | |
45 | ||
46 | static int Database_init(DatabaseObject* self, PyObject* args, PyObject* kwargs) { | |
47 | const char* path = NULL; | |
48 | ||
49 | if (!PyArg_ParseTuple(args, "s", &path)) | |
50 | return -1; | |
51 | ||
6fd96715 MT |
52 | self->path = strdup(path); |
53 | ||
9cdf6c53 | 54 | // Open the file for reading |
6fd96715 | 55 | FILE* f = fopen(self->path, "r"); |
774eea26 MT |
56 | if (!f) { |
57 | PyErr_SetFromErrno(PyExc_IOError); | |
9cdf6c53 | 58 | return -1; |
774eea26 | 59 | } |
9cdf6c53 MT |
60 | |
61 | // Load the database | |
38e07ee0 | 62 | int r = loc_database_new(loc_ctx, &self->db, f); |
9cdf6c53 MT |
63 | fclose(f); |
64 | ||
65 | // Return on any errors | |
66 | if (r) | |
67 | return -1; | |
68 | ||
69 | return 0; | |
70 | } | |
71 | ||
6fd96715 MT |
72 | static PyObject* Database_repr(DatabaseObject* self) { |
73 | return PyUnicode_FromFormat("<Database %s>", self->path); | |
74 | } | |
75 | ||
726f9984 MT |
76 | static PyObject* Database_verify(DatabaseObject* self, PyObject* args) { |
77 | PyObject* public_key = NULL; | |
78 | FILE* f = NULL; | |
79 | ||
80 | // Parse arguments | |
81 | if (!PyArg_ParseTuple(args, "O", &public_key)) | |
82 | return NULL; | |
83 | ||
84 | // Convert into FILE* | |
85 | int fd = PyObject_AsFileDescriptor(public_key); | |
86 | if (fd < 0) | |
87 | return NULL; | |
88 | ||
89 | // Re-open file descriptor | |
90 | f = fdopen(fd, "r"); | |
91 | if (!f) { | |
92 | PyErr_SetFromErrno(PyExc_IOError); | |
93 | return NULL; | |
94 | } | |
95 | ||
96 | int r = loc_database_verify(self->db, f); | |
b1720435 MT |
97 | |
98 | if (r == 0) | |
99 | Py_RETURN_TRUE; | |
100 | ||
101 | Py_RETURN_FALSE; | |
102 | } | |
103 | ||
d99b0256 MT |
104 | static PyObject* Database_get_description(DatabaseObject* self) { |
105 | const char* description = loc_database_get_description(self->db); | |
106 | ||
107 | return PyUnicode_FromString(description); | |
108 | } | |
109 | ||
110 | static PyObject* Database_get_vendor(DatabaseObject* self) { | |
111 | const char* vendor = loc_database_get_vendor(self->db); | |
112 | ||
113 | return PyUnicode_FromString(vendor); | |
114 | } | |
115 | ||
4bf49d00 MT |
116 | static PyObject* Database_get_license(DatabaseObject* self) { |
117 | const char* license = loc_database_get_license(self->db); | |
118 | ||
119 | return PyUnicode_FromString(license); | |
120 | } | |
121 | ||
53524b2d MT |
122 | static PyObject* Database_get_created_at(DatabaseObject* self) { |
123 | time_t created_at = loc_database_created_at(self->db); | |
124 | ||
125 | return PyLong_FromLong(created_at); | |
126 | } | |
127 | ||
86ca7ef7 MT |
128 | static PyObject* Database_get_as(DatabaseObject* self, PyObject* args) { |
129 | struct loc_as* as = NULL; | |
130 | uint32_t number = 0; | |
131 | ||
132 | if (!PyArg_ParseTuple(args, "i", &number)) | |
133 | return NULL; | |
134 | ||
135 | // Try to retrieve the AS | |
136 | int r = loc_database_get_as(self->db, &as, number); | |
86ca7ef7 | 137 | |
4a0a0f7e MT |
138 | // We got an AS |
139 | if (r == 0) { | |
86ca7ef7 MT |
140 | PyObject* obj = new_as(&ASType, as); |
141 | loc_as_unref(as); | |
142 | ||
143 | return obj; | |
86ca7ef7 MT |
144 | |
145 | // Nothing found | |
4a0a0f7e MT |
146 | } else if (r == 1) { |
147 | Py_RETURN_NONE; | |
148 | } | |
149 | ||
150 | // Unexpected error | |
151 | return NULL; | |
86ca7ef7 MT |
152 | } |
153 | ||
7c922e9c MT |
154 | static PyObject* Database_get_country(DatabaseObject* self, PyObject* args) { |
155 | const char* country_code = NULL; | |
156 | ||
157 | if (!PyArg_ParseTuple(args, "s", &country_code)) | |
158 | return NULL; | |
159 | ||
160 | struct loc_country* country; | |
161 | int r = loc_database_get_country(self->db, &country, country_code); | |
162 | if (r) { | |
163 | Py_RETURN_NONE; | |
164 | } | |
165 | ||
166 | PyObject* obj = new_country(&CountryType, country); | |
167 | loc_country_unref(country); | |
168 | ||
169 | return obj; | |
170 | } | |
171 | ||
31edab76 MT |
172 | static PyObject* Database_lookup(DatabaseObject* self, PyObject* args) { |
173 | struct loc_network* network = NULL; | |
174 | const char* address = NULL; | |
175 | ||
176 | if (!PyArg_ParseTuple(args, "s", &address)) | |
177 | return NULL; | |
178 | ||
179 | // Try to retrieve a matching network | |
180 | int r = loc_database_lookup_from_string(self->db, address, &network); | |
181 | ||
182 | // We got a network | |
183 | if (r == 0) { | |
184 | PyObject* obj = new_network(&NetworkType, network); | |
185 | loc_network_unref(network); | |
186 | ||
187 | return obj; | |
188 | ||
189 | // Nothing found | |
190 | } else if (r == 1) { | |
191 | Py_RETURN_NONE; | |
927e82f2 MT |
192 | |
193 | // Invalid input | |
194 | } else if (r == -EINVAL) { | |
195 | PyErr_Format(PyExc_ValueError, "Invalid IP address: %s", address); | |
196 | return NULL; | |
31edab76 MT |
197 | } |
198 | ||
199 | // Unexpected error | |
200 | return NULL; | |
201 | } | |
202 | ||
afb426df MT |
203 | static PyObject* new_database_enumerator(PyTypeObject* type, struct loc_database_enumerator* enumerator) { |
204 | DatabaseEnumeratorObject* self = (DatabaseEnumeratorObject*)type->tp_alloc(type, 0); | |
205 | if (self) { | |
206 | self->enumerator = loc_database_enumerator_ref(enumerator); | |
207 | } | |
208 | ||
209 | return (PyObject*)self; | |
210 | } | |
211 | ||
681ff05c | 212 | static PyObject* Database_iterate_all(DatabaseObject* self, enum loc_database_enumerator_mode what, int flags) { |
a68a46f5 MT |
213 | struct loc_database_enumerator* enumerator; |
214 | ||
681ff05c | 215 | int r = loc_database_enumerator_new(&enumerator, self->db, what, flags); |
a68a46f5 MT |
216 | if (r) { |
217 | PyErr_SetFromErrno(PyExc_SystemError); | |
218 | return NULL; | |
219 | } | |
220 | ||
221 | PyObject* obj = new_database_enumerator(&DatabaseEnumeratorType, enumerator); | |
222 | loc_database_enumerator_unref(enumerator); | |
223 | ||
224 | return obj; | |
225 | } | |
226 | ||
227 | static PyObject* Database_ases(DatabaseObject* self) { | |
681ff05c | 228 | return Database_iterate_all(self, LOC_DB_ENUMERATE_ASES, 0); |
a68a46f5 MT |
229 | } |
230 | ||
afb426df MT |
231 | static PyObject* Database_search_as(DatabaseObject* self, PyObject* args) { |
232 | const char* string = NULL; | |
233 | ||
234 | if (!PyArg_ParseTuple(args, "s", &string)) | |
235 | return NULL; | |
236 | ||
237 | struct loc_database_enumerator* enumerator; | |
238 | ||
681ff05c | 239 | int r = loc_database_enumerator_new(&enumerator, self->db, LOC_DB_ENUMERATE_ASES, 0); |
afb426df MT |
240 | if (r) { |
241 | PyErr_SetFromErrno(PyExc_SystemError); | |
242 | return NULL; | |
243 | } | |
244 | ||
245 | // Search string we are searching for | |
246 | loc_database_enumerator_set_string(enumerator, string); | |
247 | ||
248 | PyObject* obj = new_database_enumerator(&DatabaseEnumeratorType, enumerator); | |
249 | loc_database_enumerator_unref(enumerator); | |
250 | ||
251 | return obj; | |
252 | } | |
253 | ||
a68a46f5 | 254 | static PyObject* Database_networks(DatabaseObject* self) { |
681ff05c MT |
255 | return Database_iterate_all(self, LOC_DB_ENUMERATE_NETWORKS, 0); |
256 | } | |
257 | ||
258 | static PyObject* Database_networks_flattened(DatabaseObject *self) { | |
259 | return Database_iterate_all(self, LOC_DB_ENUMERATE_NETWORKS, LOC_DB_ENUMERATOR_FLAGS_FLATTEN); | |
a68a46f5 MT |
260 | } |
261 | ||
ccc7ab4e | 262 | static PyObject* Database_search_networks(DatabaseObject* self, PyObject* args, PyObject* kwargs) { |
84a2f0c2 | 263 | char* kwlist[] = { "country_codes", "asns", "flags", "family", "flatten", NULL }; |
e646a8f3 | 264 | PyObject* country_codes = NULL; |
84a2f0c2 | 265 | PyObject* asn_list = NULL; |
bbdb2e0a | 266 | int flags = 0; |
44e5ef71 | 267 | int family = 0; |
c242f732 | 268 | int flatten = 0; |
ccc7ab4e | 269 | |
84a2f0c2 MT |
270 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O!O!iip", kwlist, |
271 | &PyList_Type, &country_codes, &PyList_Type, &asn_list, &flags, &family, &flatten)) | |
ccc7ab4e MT |
272 | return NULL; |
273 | ||
274 | struct loc_database_enumerator* enumerator; | |
c242f732 MT |
275 | int r = loc_database_enumerator_new(&enumerator, self->db, LOC_DB_ENUMERATE_NETWORKS, |
276 | (flatten) ? LOC_DB_ENUMERATOR_FLAGS_FLATTEN : 0); | |
ccc7ab4e MT |
277 | if (r) { |
278 | PyErr_SetFromErrno(PyExc_SystemError); | |
279 | return NULL; | |
280 | } | |
281 | ||
282 | // Set country code we are searching for | |
e646a8f3 MT |
283 | if (country_codes) { |
284 | struct loc_country_list* countries; | |
285 | r = loc_country_list_new(loc_ctx, &countries); | |
ccc7ab4e | 286 | if (r) { |
e646a8f3 | 287 | PyErr_SetString(PyExc_SystemError, "Could not create country list"); |
ccc7ab4e MT |
288 | return NULL; |
289 | } | |
e646a8f3 MT |
290 | |
291 | for (unsigned int i = 0; i < PyList_Size(country_codes); i++) { | |
292 | PyObject* item = PyList_GetItem(country_codes, i); | |
293 | ||
294 | if (!PyUnicode_Check(item)) { | |
295 | PyErr_SetString(PyExc_TypeError, "Country codes must be strings"); | |
296 | loc_country_list_unref(countries); | |
297 | return NULL; | |
298 | } | |
299 | ||
300 | const char* country_code = PyUnicode_AsUTF8(item); | |
301 | ||
302 | struct loc_country* country; | |
303 | r = loc_country_new(loc_ctx, &country, country_code); | |
304 | if (r) { | |
305 | if (r == -EINVAL) { | |
306 | PyErr_Format(PyExc_ValueError, "Invalid country code: %s", country_code); | |
307 | } else { | |
308 | PyErr_SetString(PyExc_SystemError, "Could not create country"); | |
309 | } | |
310 | ||
311 | loc_country_list_unref(countries); | |
312 | return NULL; | |
313 | } | |
314 | ||
315 | // Append it to the list | |
316 | r = loc_country_list_append(countries, country); | |
317 | if (r) { | |
318 | PyErr_SetString(PyExc_SystemError, "Could not append country to the list"); | |
319 | ||
320 | loc_country_list_unref(countries); | |
321 | loc_country_unref(country); | |
322 | return NULL; | |
323 | } | |
324 | ||
325 | loc_country_unref(country); | |
326 | } | |
327 | ||
c98ebf8a MT |
328 | r = loc_database_enumerator_set_countries(enumerator, countries); |
329 | if (r) { | |
330 | PyErr_SetFromErrno(PyExc_SystemError); | |
331 | ||
332 | loc_as_list_unref(countries); | |
333 | return NULL; | |
334 | } | |
e646a8f3 | 335 | |
e646a8f3 | 336 | loc_country_list_unref(countries); |
ccc7ab4e MT |
337 | } |
338 | ||
339 | // Set the ASN we are searching for | |
84a2f0c2 MT |
340 | if (asn_list) { |
341 | struct loc_as_list* asns; | |
342 | r = loc_as_list_new(loc_ctx, &asns); | |
343 | if (r) { | |
344 | PyErr_SetString(PyExc_SystemError, "Could not create AS list"); | |
345 | return NULL; | |
346 | } | |
347 | ||
348 | for (unsigned int i = 0; i < PyList_Size(asn_list); i++) { | |
349 | PyObject* item = PyList_GetItem(asn_list, i); | |
350 | ||
351 | if (!PyLong_Check(item)) { | |
352 | PyErr_SetString(PyExc_TypeError, "ASNs must be numbers"); | |
353 | ||
354 | loc_as_list_unref(asns); | |
355 | return NULL; | |
356 | } | |
357 | ||
358 | unsigned long number = PyLong_AsLong(item); | |
ccc7ab4e | 359 | |
84a2f0c2 MT |
360 | struct loc_as* as; |
361 | r = loc_as_new(loc_ctx, &as, number); | |
362 | if (r) { | |
363 | PyErr_SetString(PyExc_SystemError, "Could not create AS"); | |
364 | ||
365 | loc_as_list_unref(asns); | |
366 | loc_as_unref(as); | |
367 | return NULL; | |
368 | } | |
369 | ||
370 | r = loc_as_list_append(asns, as); | |
371 | if (r) { | |
372 | PyErr_SetString(PyExc_SystemError, "Could not append AS to the list"); | |
373 | ||
374 | loc_as_list_unref(asns); | |
375 | loc_as_unref(as); | |
376 | return NULL; | |
377 | } | |
378 | ||
379 | loc_as_unref(as); | |
380 | } | |
381 | ||
382 | r = loc_database_enumerator_set_asns(enumerator, asns); | |
ccc7ab4e MT |
383 | if (r) { |
384 | PyErr_SetFromErrno(PyExc_SystemError); | |
84a2f0c2 MT |
385 | |
386 | loc_as_list_unref(asns); | |
ccc7ab4e MT |
387 | return NULL; |
388 | } | |
84a2f0c2 MT |
389 | |
390 | loc_as_list_unref(asns); | |
ccc7ab4e MT |
391 | } |
392 | ||
bbdb2e0a MT |
393 | // Set the flags we are searching for |
394 | if (flags) { | |
395 | r = loc_database_enumerator_set_flag(enumerator, flags); | |
396 | ||
397 | if (r) { | |
398 | PyErr_SetFromErrno(PyExc_SystemError); | |
399 | return NULL; | |
400 | } | |
401 | } | |
402 | ||
44e5ef71 MT |
403 | // Set the family we are searching for |
404 | if (family) { | |
405 | r = loc_database_enumerator_set_family(enumerator, family); | |
406 | ||
407 | if (r) { | |
408 | PyErr_SetFromErrno(PyExc_SystemError); | |
409 | return NULL; | |
410 | } | |
411 | } | |
412 | ||
ccc7ab4e MT |
413 | PyObject* obj = new_database_enumerator(&DatabaseEnumeratorType, enumerator); |
414 | loc_database_enumerator_unref(enumerator); | |
415 | ||
416 | return obj; | |
417 | } | |
418 | ||
fa9a3663 | 419 | static PyObject* Database_countries(DatabaseObject* self) { |
681ff05c | 420 | return Database_iterate_all(self, LOC_DB_ENUMERATE_COUNTRIES, 0); |
fa9a3663 MT |
421 | } |
422 | ||
9cdf6c53 | 423 | static struct PyMethodDef Database_methods[] = { |
86ca7ef7 MT |
424 | { |
425 | "get_as", | |
426 | (PyCFunction)Database_get_as, | |
427 | METH_VARARGS, | |
428 | NULL, | |
429 | }, | |
7c922e9c MT |
430 | { |
431 | "get_country", | |
432 | (PyCFunction)Database_get_country, | |
433 | METH_VARARGS, | |
434 | NULL, | |
435 | }, | |
31edab76 MT |
436 | { |
437 | "lookup", | |
438 | (PyCFunction)Database_lookup, | |
439 | METH_VARARGS, | |
440 | NULL, | |
441 | }, | |
afb426df MT |
442 | { |
443 | "search_as", | |
444 | (PyCFunction)Database_search_as, | |
445 | METH_VARARGS, | |
446 | NULL, | |
447 | }, | |
ccc7ab4e MT |
448 | { |
449 | "search_networks", | |
450 | (PyCFunction)Database_search_networks, | |
451 | METH_VARARGS|METH_KEYWORDS, | |
452 | NULL, | |
453 | }, | |
b1720435 MT |
454 | { |
455 | "verify", | |
456 | (PyCFunction)Database_verify, | |
726f9984 | 457 | METH_VARARGS, |
b1720435 MT |
458 | NULL, |
459 | }, | |
9cdf6c53 MT |
460 | { NULL }, |
461 | }; | |
462 | ||
d99b0256 | 463 | static struct PyGetSetDef Database_getsetters[] = { |
a68a46f5 MT |
464 | { |
465 | "ases", | |
466 | (getter)Database_ases, | |
467 | NULL, | |
468 | NULL, | |
469 | NULL, | |
470 | }, | |
fa9a3663 MT |
471 | { |
472 | "countries", | |
473 | (getter)Database_countries, | |
474 | NULL, | |
475 | NULL, | |
476 | NULL, | |
477 | }, | |
53524b2d MT |
478 | { |
479 | "created_at", | |
480 | (getter)Database_get_created_at, | |
481 | NULL, | |
482 | NULL, | |
483 | NULL, | |
484 | }, | |
d99b0256 MT |
485 | { |
486 | "description", | |
487 | (getter)Database_get_description, | |
488 | NULL, | |
489 | NULL, | |
490 | NULL, | |
491 | }, | |
4bf49d00 MT |
492 | { |
493 | "license", | |
494 | (getter)Database_get_license, | |
495 | NULL, | |
496 | NULL, | |
497 | NULL, | |
498 | }, | |
a68a46f5 MT |
499 | { |
500 | "networks", | |
501 | (getter)Database_networks, | |
502 | NULL, | |
503 | NULL, | |
504 | NULL, | |
505 | }, | |
681ff05c MT |
506 | { |
507 | "networks_flattened", | |
508 | (getter)Database_networks_flattened, | |
509 | NULL, | |
510 | NULL, | |
511 | NULL, | |
512 | }, | |
d99b0256 MT |
513 | { |
514 | "vendor", | |
515 | (getter)Database_get_vendor, | |
516 | NULL, | |
517 | NULL, | |
53524b2d | 518 | NULL, |
d99b0256 MT |
519 | }, |
520 | { NULL }, | |
521 | }; | |
522 | ||
9cdf6c53 MT |
523 | PyTypeObject DatabaseType = { |
524 | PyVarObject_HEAD_INIT(NULL, 0) | |
d42e1dcd MT |
525 | .tp_name = "location.Database", |
526 | .tp_basicsize = sizeof(DatabaseObject), | |
527 | .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, | |
528 | .tp_new = Database_new, | |
529 | .tp_dealloc = (destructor)Database_dealloc, | |
530 | .tp_init = (initproc)Database_init, | |
531 | .tp_doc = "Database object", | |
532 | .tp_methods = Database_methods, | |
533 | .tp_getset = Database_getsetters, | |
534 | .tp_repr = (reprfunc)Database_repr, | |
9cdf6c53 | 535 | }; |
afb426df MT |
536 | |
537 | static PyObject* DatabaseEnumerator_new(PyTypeObject* type, PyObject* args, PyObject* kwds) { | |
538 | DatabaseEnumeratorObject* self = (DatabaseEnumeratorObject*)type->tp_alloc(type, 0); | |
539 | ||
540 | return (PyObject*)self; | |
541 | } | |
542 | ||
543 | static void DatabaseEnumerator_dealloc(DatabaseEnumeratorObject* self) { | |
544 | loc_database_enumerator_unref(self->enumerator); | |
545 | ||
546 | Py_TYPE(self)->tp_free((PyObject* )self); | |
547 | } | |
548 | ||
549 | static PyObject* DatabaseEnumerator_next(DatabaseEnumeratorObject* self) { | |
15f79e2d MT |
550 | struct loc_network* network = NULL; |
551 | ||
ccc7ab4e | 552 | // Enumerate all networks |
15f79e2d MT |
553 | int r = loc_database_enumerator_next_network(self->enumerator, &network); |
554 | if (r) { | |
20bb6d0c | 555 | PyErr_SetFromErrno(PyExc_ValueError); |
15f79e2d MT |
556 | return NULL; |
557 | } | |
558 | ||
559 | // A network was found | |
ccc7ab4e MT |
560 | if (network) { |
561 | PyObject* obj = new_network(&NetworkType, network); | |
562 | loc_network_unref(network); | |
563 | ||
564 | return obj; | |
565 | } | |
566 | ||
567 | // Enumerate all ASes | |
15f79e2d MT |
568 | struct loc_as* as = NULL; |
569 | ||
570 | r = loc_database_enumerator_next_as(self->enumerator, &as); | |
571 | if (r) { | |
20bb6d0c | 572 | PyErr_SetFromErrno(PyExc_ValueError); |
15f79e2d MT |
573 | return NULL; |
574 | } | |
575 | ||
afb426df MT |
576 | if (as) { |
577 | PyObject* obj = new_as(&ASType, as); | |
578 | loc_as_unref(as); | |
579 | ||
580 | return obj; | |
581 | } | |
582 | ||
fa9a3663 MT |
583 | // Enumerate all countries |
584 | struct loc_country* country = NULL; | |
585 | ||
586 | r = loc_database_enumerator_next_country(self->enumerator, &country); | |
587 | if (r) { | |
588 | PyErr_SetFromErrno(PyExc_ValueError); | |
589 | return NULL; | |
590 | } | |
591 | ||
592 | if (country) { | |
593 | PyObject* obj = new_country(&CountryType, country); | |
594 | loc_country_unref(country); | |
595 | ||
596 | return obj; | |
597 | } | |
598 | ||
afb426df MT |
599 | // Nothing found, that means the end |
600 | PyErr_SetNone(PyExc_StopIteration); | |
601 | return NULL; | |
602 | } | |
603 | ||
604 | PyTypeObject DatabaseEnumeratorType = { | |
605 | PyVarObject_HEAD_INIT(NULL, 0) | |
d42e1dcd MT |
606 | .tp_name = "location.DatabaseEnumerator", |
607 | .tp_basicsize = sizeof(DatabaseEnumeratorObject), | |
608 | .tp_flags = Py_TPFLAGS_DEFAULT, | |
609 | .tp_alloc = PyType_GenericAlloc, | |
610 | .tp_new = DatabaseEnumerator_new, | |
611 | .tp_dealloc = (destructor)DatabaseEnumerator_dealloc, | |
612 | .tp_iter = PyObject_SelfIter, | |
613 | .tp_iternext = (iternextfunc)DatabaseEnumerator_next, | |
afb426df | 614 | }; |