Show More
@@ -1,940 +1,940 b'' | |||
|
1 | 1 | /* |
|
2 | 2 | * manifest.c - manifest type that does on-demand parsing. |
|
3 | 3 | * |
|
4 | 4 | * Copyright 2015, Google Inc. |
|
5 | 5 | * |
|
6 | 6 | * This software may be used and distributed according to the terms of |
|
7 | 7 | * the GNU General Public License, incorporated herein by reference. |
|
8 | 8 | */ |
|
9 | 9 | #include <Python.h> |
|
10 | 10 | |
|
11 | 11 | #include <assert.h> |
|
12 | 12 | #include <stdlib.h> |
|
13 | 13 | #include <string.h> |
|
14 | 14 | |
|
15 | 15 | #include "charencode.h" |
|
16 | 16 | #include "util.h" |
|
17 | 17 | |
|
18 | 18 | #define DEFAULT_LINES 100000 |
|
19 | 19 | |
|
20 | 20 | typedef struct { |
|
21 | 21 | char *start; |
|
22 | 22 | Py_ssize_t len; /* length of line including terminal newline */ |
|
23 | 23 | char hash_suffix; |
|
24 | 24 | bool from_malloc; |
|
25 | 25 | bool deleted; |
|
26 | 26 | } line; |
|
27 | 27 | |
|
28 | 28 | typedef struct { |
|
29 | 29 | PyObject_HEAD |
|
30 | 30 | PyObject *pydata; |
|
31 | 31 | line *lines; |
|
32 | 32 | int numlines; /* number of line entries */ |
|
33 | 33 | int livelines; /* number of non-deleted lines */ |
|
34 | 34 | int maxlines; /* allocated number of lines */ |
|
35 | 35 | bool dirty; |
|
36 | 36 | } lazymanifest; |
|
37 | 37 | |
|
38 | 38 | #define MANIFEST_OOM -1 |
|
39 | 39 | #define MANIFEST_NOT_SORTED -2 |
|
40 | 40 | #define MANIFEST_MALFORMED -3 |
|
41 | 41 | |
|
42 | 42 | /* get the length of the path for a line */ |
|
43 | 43 | static size_t pathlen(line *l) |
|
44 | 44 | { |
|
45 | 45 | return strlen(l->start); |
|
46 | 46 | } |
|
47 | 47 | |
|
48 | 48 | /* get the node value of a single line */ |
|
49 | 49 | static PyObject *nodeof(line *l) |
|
50 | 50 | { |
|
51 | 51 | char *s = l->start; |
|
52 | 52 | ssize_t llen = pathlen(l); |
|
53 | 53 | PyObject *hash = unhexlify(s + llen + 1, 40); |
|
54 | 54 | if (!hash) { |
|
55 | 55 | return NULL; |
|
56 | 56 | } |
|
57 | 57 | if (l->hash_suffix != '\0') { |
|
58 | 58 | char newhash[21]; |
|
59 | 59 | memcpy(newhash, PyBytes_AsString(hash), 20); |
|
60 | 60 | Py_DECREF(hash); |
|
61 | 61 | newhash[20] = l->hash_suffix; |
|
62 | 62 | hash = PyBytes_FromStringAndSize(newhash, 21); |
|
63 | 63 | } |
|
64 | 64 | return hash; |
|
65 | 65 | } |
|
66 | 66 | |
|
67 | 67 | /* get the node hash and flags of a line as a tuple */ |
|
68 | 68 | static PyObject *hashflags(line *l) |
|
69 | 69 | { |
|
70 | 70 | char *s = l->start; |
|
71 | 71 | size_t plen = pathlen(l); |
|
72 | 72 | PyObject *hash = nodeof(l); |
|
73 | 73 | |
|
74 | 74 | /* 40 for hash, 1 for null byte, 1 for newline */ |
|
75 | 75 | size_t hplen = plen + 42; |
|
76 | 76 | Py_ssize_t flen = l->len - hplen; |
|
77 | 77 | PyObject *flags; |
|
78 | 78 | PyObject *tup; |
|
79 | 79 | |
|
80 | 80 | if (!hash) |
|
81 | 81 | return NULL; |
|
82 | 82 | flags = PyBytes_FromStringAndSize(s + hplen - 1, flen); |
|
83 | 83 | if (!flags) { |
|
84 | 84 | Py_DECREF(hash); |
|
85 | 85 | return NULL; |
|
86 | 86 | } |
|
87 | 87 | tup = PyTuple_Pack(2, hash, flags); |
|
88 | 88 | Py_DECREF(flags); |
|
89 | 89 | Py_DECREF(hash); |
|
90 | 90 | return tup; |
|
91 | 91 | } |
|
92 | 92 | |
|
93 | 93 | /* if we're about to run out of space in the line index, add more */ |
|
94 | 94 | static bool realloc_if_full(lazymanifest *self) |
|
95 | 95 | { |
|
96 | 96 | if (self->numlines == self->maxlines) { |
|
97 | 97 | self->maxlines *= 2; |
|
98 | 98 | self->lines = realloc(self->lines, self->maxlines * sizeof(line)); |
|
99 | 99 | } |
|
100 | 100 | return !!self->lines; |
|
101 | 101 | } |
|
102 | 102 | |
|
103 | 103 | /* |
|
104 | 104 | * Find the line boundaries in the manifest that 'data' points to and store |
|
105 | 105 | * information about each line in 'self'. |
|
106 | 106 | */ |
|
107 | 107 | static int find_lines(lazymanifest *self, char *data, Py_ssize_t len) |
|
108 | 108 | { |
|
109 | 109 | char *prev = NULL; |
|
110 | 110 | while (len > 0) { |
|
111 | 111 | line *l; |
|
112 | 112 | char *next = memchr(data, '\n', len); |
|
113 | 113 | if (!next) { |
|
114 | 114 | return MANIFEST_MALFORMED; |
|
115 | 115 | } |
|
116 | 116 | next++; /* advance past newline */ |
|
117 | 117 | if (!realloc_if_full(self)) { |
|
118 | 118 | return MANIFEST_OOM; /* no memory */ |
|
119 | 119 | } |
|
120 | 120 | if (prev && strcmp(prev, data) > -1) { |
|
121 | 121 | /* This data isn't sorted, so we have to abort. */ |
|
122 | 122 | return MANIFEST_NOT_SORTED; |
|
123 | 123 | } |
|
124 | 124 | l = self->lines + ((self->numlines)++); |
|
125 | 125 | l->start = data; |
|
126 | 126 | l->len = next - data; |
|
127 | 127 | l->hash_suffix = '\0'; |
|
128 | 128 | l->from_malloc = false; |
|
129 | 129 | l->deleted = false; |
|
130 | 130 | len = len - l->len; |
|
131 | 131 | prev = data; |
|
132 | 132 | data = next; |
|
133 | 133 | } |
|
134 | 134 | self->livelines = self->numlines; |
|
135 | 135 | return 0; |
|
136 | 136 | } |
|
137 | 137 | |
|
138 | 138 | static int lazymanifest_init(lazymanifest *self, PyObject *args) |
|
139 | 139 | { |
|
140 | 140 | char *data; |
|
141 | 141 | Py_ssize_t len; |
|
142 | 142 | int err, ret; |
|
143 | 143 | PyObject *pydata; |
|
144 | 144 | if (!PyArg_ParseTuple(args, "S", &pydata)) { |
|
145 | 145 | return -1; |
|
146 | 146 | } |
|
147 | 147 | err = PyBytes_AsStringAndSize(pydata, &data, &len); |
|
148 | 148 | |
|
149 | 149 | self->dirty = false; |
|
150 | 150 | if (err == -1) |
|
151 | 151 | return -1; |
|
152 | 152 | self->pydata = pydata; |
|
153 | 153 | Py_INCREF(self->pydata); |
|
154 | 154 | Py_BEGIN_ALLOW_THREADS |
|
155 | 155 | self->lines = malloc(DEFAULT_LINES * sizeof(line)); |
|
156 | 156 | self->maxlines = DEFAULT_LINES; |
|
157 | 157 | self->numlines = 0; |
|
158 | 158 | if (!self->lines) |
|
159 | 159 | ret = MANIFEST_OOM; |
|
160 | 160 | else |
|
161 | 161 | ret = find_lines(self, data, len); |
|
162 | 162 | Py_END_ALLOW_THREADS |
|
163 | 163 | switch (ret) { |
|
164 | 164 | case 0: |
|
165 | 165 | break; |
|
166 | 166 | case MANIFEST_OOM: |
|
167 | 167 | PyErr_NoMemory(); |
|
168 | 168 | break; |
|
169 | 169 | case MANIFEST_NOT_SORTED: |
|
170 | 170 | PyErr_Format(PyExc_ValueError, |
|
171 | 171 | "Manifest lines not in sorted order."); |
|
172 | 172 | break; |
|
173 | 173 | case MANIFEST_MALFORMED: |
|
174 | 174 | PyErr_Format(PyExc_ValueError, |
|
175 | 175 | "Manifest did not end in a newline."); |
|
176 | 176 | break; |
|
177 | 177 | default: |
|
178 | 178 | PyErr_Format(PyExc_ValueError, |
|
179 | 179 | "Unknown problem parsing manifest."); |
|
180 | 180 | } |
|
181 | 181 | return ret == 0 ? 0 : -1; |
|
182 | 182 | } |
|
183 | 183 | |
|
184 | 184 | static void lazymanifest_dealloc(lazymanifest *self) |
|
185 | 185 | { |
|
186 | 186 | /* free any extra lines we had to allocate */ |
|
187 | 187 | int i; |
|
188 | for (i = 0; i < self->numlines; i++) { | |
|
188 | for (i = 0; self->lines && (i < self->numlines); i++) { | |
|
189 | 189 | if (self->lines[i].from_malloc) { |
|
190 | 190 | free(self->lines[i].start); |
|
191 | 191 | } |
|
192 | 192 | } |
|
193 | 193 | free(self->lines); |
|
194 | 194 | self->lines = NULL; |
|
195 | 195 | if (self->pydata) { |
|
196 | 196 | Py_DECREF(self->pydata); |
|
197 | 197 | self->pydata = NULL; |
|
198 | 198 | } |
|
199 | 199 | PyObject_Del(self); |
|
200 | 200 | } |
|
201 | 201 | |
|
202 | 202 | /* iteration support */ |
|
203 | 203 | |
|
204 | 204 | typedef struct { |
|
205 | 205 | PyObject_HEAD lazymanifest *m; |
|
206 | 206 | Py_ssize_t pos; |
|
207 | 207 | } lmIter; |
|
208 | 208 | |
|
209 | 209 | static void lmiter_dealloc(PyObject *o) |
|
210 | 210 | { |
|
211 | 211 | lmIter *self = (lmIter *)o; |
|
212 | 212 | Py_DECREF(self->m); |
|
213 | 213 | PyObject_Del(self); |
|
214 | 214 | } |
|
215 | 215 | |
|
216 | 216 | static line *lmiter_nextline(lmIter *self) |
|
217 | 217 | { |
|
218 | 218 | do { |
|
219 | 219 | self->pos++; |
|
220 | 220 | if (self->pos >= self->m->numlines) { |
|
221 | 221 | return NULL; |
|
222 | 222 | } |
|
223 | 223 | /* skip over deleted manifest entries */ |
|
224 | 224 | } while (self->m->lines[self->pos].deleted); |
|
225 | 225 | return self->m->lines + self->pos; |
|
226 | 226 | } |
|
227 | 227 | |
|
228 | 228 | static PyObject *lmiter_iterentriesnext(PyObject *o) |
|
229 | 229 | { |
|
230 | 230 | size_t pl; |
|
231 | 231 | line *l; |
|
232 | 232 | Py_ssize_t consumed; |
|
233 | 233 | PyObject *ret = NULL, *path = NULL, *hash = NULL, *flags = NULL; |
|
234 | 234 | l = lmiter_nextline((lmIter *)o); |
|
235 | 235 | if (!l) { |
|
236 | 236 | goto done; |
|
237 | 237 | } |
|
238 | 238 | pl = pathlen(l); |
|
239 | 239 | path = PyBytes_FromStringAndSize(l->start, pl); |
|
240 | 240 | hash = nodeof(l); |
|
241 | 241 | consumed = pl + 41; |
|
242 | 242 | flags = PyBytes_FromStringAndSize(l->start + consumed, |
|
243 | 243 | l->len - consumed - 1); |
|
244 | 244 | if (!path || !hash || !flags) { |
|
245 | 245 | goto done; |
|
246 | 246 | } |
|
247 | 247 | ret = PyTuple_Pack(3, path, hash, flags); |
|
248 | 248 | done: |
|
249 | 249 | Py_XDECREF(path); |
|
250 | 250 | Py_XDECREF(hash); |
|
251 | 251 | Py_XDECREF(flags); |
|
252 | 252 | return ret; |
|
253 | 253 | } |
|
254 | 254 | |
|
255 | 255 | #ifdef IS_PY3K |
|
256 | 256 | #define LAZYMANIFESTENTRIESITERATOR_TPFLAGS Py_TPFLAGS_DEFAULT |
|
257 | 257 | #else |
|
258 | 258 | #define LAZYMANIFESTENTRIESITERATOR_TPFLAGS Py_TPFLAGS_DEFAULT \ |
|
259 | 259 | | Py_TPFLAGS_HAVE_ITER |
|
260 | 260 | #endif |
|
261 | 261 | |
|
262 | 262 | static PyTypeObject lazymanifestEntriesIterator = { |
|
263 | 263 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
|
264 | 264 | "parsers.lazymanifest.entriesiterator", /*tp_name */ |
|
265 | 265 | sizeof(lmIter), /*tp_basicsize */ |
|
266 | 266 | 0, /*tp_itemsize */ |
|
267 | 267 | lmiter_dealloc, /*tp_dealloc */ |
|
268 | 268 | 0, /*tp_print */ |
|
269 | 269 | 0, /*tp_getattr */ |
|
270 | 270 | 0, /*tp_setattr */ |
|
271 | 271 | 0, /*tp_compare */ |
|
272 | 272 | 0, /*tp_repr */ |
|
273 | 273 | 0, /*tp_as_number */ |
|
274 | 274 | 0, /*tp_as_sequence */ |
|
275 | 275 | 0, /*tp_as_mapping */ |
|
276 | 276 | 0, /*tp_hash */ |
|
277 | 277 | 0, /*tp_call */ |
|
278 | 278 | 0, /*tp_str */ |
|
279 | 279 | 0, /*tp_getattro */ |
|
280 | 280 | 0, /*tp_setattro */ |
|
281 | 281 | 0, /*tp_as_buffer */ |
|
282 | 282 | LAZYMANIFESTENTRIESITERATOR_TPFLAGS, /* tp_flags */ |
|
283 | 283 | "Iterator for 3-tuples in a lazymanifest.", /* tp_doc */ |
|
284 | 284 | 0, /* tp_traverse */ |
|
285 | 285 | 0, /* tp_clear */ |
|
286 | 286 | 0, /* tp_richcompare */ |
|
287 | 287 | 0, /* tp_weaklistoffset */ |
|
288 | 288 | PyObject_SelfIter, /* tp_iter: __iter__() method */ |
|
289 | 289 | lmiter_iterentriesnext, /* tp_iternext: next() method */ |
|
290 | 290 | }; |
|
291 | 291 | |
|
292 | 292 | static PyObject *lmiter_iterkeysnext(PyObject *o) |
|
293 | 293 | { |
|
294 | 294 | size_t pl; |
|
295 | 295 | line *l = lmiter_nextline((lmIter *)o); |
|
296 | 296 | if (!l) { |
|
297 | 297 | return NULL; |
|
298 | 298 | } |
|
299 | 299 | pl = pathlen(l); |
|
300 | 300 | return PyBytes_FromStringAndSize(l->start, pl); |
|
301 | 301 | } |
|
302 | 302 | |
|
303 | 303 | #ifdef IS_PY3K |
|
304 | 304 | #define LAZYMANIFESTKEYSITERATOR_TPFLAGS Py_TPFLAGS_DEFAULT |
|
305 | 305 | #else |
|
306 | 306 | #define LAZYMANIFESTKEYSITERATOR_TPFLAGS Py_TPFLAGS_DEFAULT \ |
|
307 | 307 | | Py_TPFLAGS_HAVE_ITER |
|
308 | 308 | #endif |
|
309 | 309 | |
|
310 | 310 | static PyTypeObject lazymanifestKeysIterator = { |
|
311 | 311 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
|
312 | 312 | "parsers.lazymanifest.keysiterator", /*tp_name */ |
|
313 | 313 | sizeof(lmIter), /*tp_basicsize */ |
|
314 | 314 | 0, /*tp_itemsize */ |
|
315 | 315 | lmiter_dealloc, /*tp_dealloc */ |
|
316 | 316 | 0, /*tp_print */ |
|
317 | 317 | 0, /*tp_getattr */ |
|
318 | 318 | 0, /*tp_setattr */ |
|
319 | 319 | 0, /*tp_compare */ |
|
320 | 320 | 0, /*tp_repr */ |
|
321 | 321 | 0, /*tp_as_number */ |
|
322 | 322 | 0, /*tp_as_sequence */ |
|
323 | 323 | 0, /*tp_as_mapping */ |
|
324 | 324 | 0, /*tp_hash */ |
|
325 | 325 | 0, /*tp_call */ |
|
326 | 326 | 0, /*tp_str */ |
|
327 | 327 | 0, /*tp_getattro */ |
|
328 | 328 | 0, /*tp_setattro */ |
|
329 | 329 | 0, /*tp_as_buffer */ |
|
330 | 330 | LAZYMANIFESTKEYSITERATOR_TPFLAGS, /* tp_flags */ |
|
331 | 331 | "Keys iterator for a lazymanifest.", /* tp_doc */ |
|
332 | 332 | 0, /* tp_traverse */ |
|
333 | 333 | 0, /* tp_clear */ |
|
334 | 334 | 0, /* tp_richcompare */ |
|
335 | 335 | 0, /* tp_weaklistoffset */ |
|
336 | 336 | PyObject_SelfIter, /* tp_iter: __iter__() method */ |
|
337 | 337 | lmiter_iterkeysnext, /* tp_iternext: next() method */ |
|
338 | 338 | }; |
|
339 | 339 | |
|
340 | 340 | static lazymanifest *lazymanifest_copy(lazymanifest *self); |
|
341 | 341 | |
|
342 | 342 | static PyObject *lazymanifest_getentriesiter(lazymanifest *self) |
|
343 | 343 | { |
|
344 | 344 | lmIter *i = NULL; |
|
345 | 345 | lazymanifest *t = lazymanifest_copy(self); |
|
346 | 346 | if (!t) { |
|
347 | 347 | PyErr_NoMemory(); |
|
348 | 348 | return NULL; |
|
349 | 349 | } |
|
350 | 350 | i = PyObject_New(lmIter, &lazymanifestEntriesIterator); |
|
351 | 351 | if (i) { |
|
352 | 352 | i->m = t; |
|
353 | 353 | i->pos = -1; |
|
354 | 354 | } else { |
|
355 | 355 | Py_DECREF(t); |
|
356 | 356 | PyErr_NoMemory(); |
|
357 | 357 | } |
|
358 | 358 | return (PyObject *)i; |
|
359 | 359 | } |
|
360 | 360 | |
|
361 | 361 | static PyObject *lazymanifest_getkeysiter(lazymanifest *self) |
|
362 | 362 | { |
|
363 | 363 | lmIter *i = NULL; |
|
364 | 364 | lazymanifest *t = lazymanifest_copy(self); |
|
365 | 365 | if (!t) { |
|
366 | 366 | PyErr_NoMemory(); |
|
367 | 367 | return NULL; |
|
368 | 368 | } |
|
369 | 369 | i = PyObject_New(lmIter, &lazymanifestKeysIterator); |
|
370 | 370 | if (i) { |
|
371 | 371 | i->m = t; |
|
372 | 372 | i->pos = -1; |
|
373 | 373 | } else { |
|
374 | 374 | Py_DECREF(t); |
|
375 | 375 | PyErr_NoMemory(); |
|
376 | 376 | } |
|
377 | 377 | return (PyObject *)i; |
|
378 | 378 | } |
|
379 | 379 | |
|
380 | 380 | /* __getitem__ and __setitem__ support */ |
|
381 | 381 | |
|
382 | 382 | static Py_ssize_t lazymanifest_size(lazymanifest *self) |
|
383 | 383 | { |
|
384 | 384 | return self->livelines; |
|
385 | 385 | } |
|
386 | 386 | |
|
387 | 387 | static int linecmp(const void *left, const void *right) |
|
388 | 388 | { |
|
389 | 389 | return strcmp(((const line *)left)->start, |
|
390 | 390 | ((const line *)right)->start); |
|
391 | 391 | } |
|
392 | 392 | |
|
393 | 393 | static PyObject *lazymanifest_getitem(lazymanifest *self, PyObject *key) |
|
394 | 394 | { |
|
395 | 395 | line needle; |
|
396 | 396 | line *hit; |
|
397 | 397 | if (!PyBytes_Check(key)) { |
|
398 | 398 | PyErr_Format(PyExc_TypeError, |
|
399 | 399 | "getitem: manifest keys must be a string."); |
|
400 | 400 | return NULL; |
|
401 | 401 | } |
|
402 | 402 | needle.start = PyBytes_AsString(key); |
|
403 | 403 | hit = bsearch(&needle, self->lines, self->numlines, sizeof(line), |
|
404 | 404 | &linecmp); |
|
405 | 405 | if (!hit || hit->deleted) { |
|
406 | 406 | PyErr_Format(PyExc_KeyError, "No such manifest entry."); |
|
407 | 407 | return NULL; |
|
408 | 408 | } |
|
409 | 409 | return hashflags(hit); |
|
410 | 410 | } |
|
411 | 411 | |
|
412 | 412 | static int lazymanifest_delitem(lazymanifest *self, PyObject *key) |
|
413 | 413 | { |
|
414 | 414 | line needle; |
|
415 | 415 | line *hit; |
|
416 | 416 | if (!PyBytes_Check(key)) { |
|
417 | 417 | PyErr_Format(PyExc_TypeError, |
|
418 | 418 | "delitem: manifest keys must be a string."); |
|
419 | 419 | return -1; |
|
420 | 420 | } |
|
421 | 421 | needle.start = PyBytes_AsString(key); |
|
422 | 422 | hit = bsearch(&needle, self->lines, self->numlines, sizeof(line), |
|
423 | 423 | &linecmp); |
|
424 | 424 | if (!hit || hit->deleted) { |
|
425 | 425 | PyErr_Format(PyExc_KeyError, |
|
426 | 426 | "Tried to delete nonexistent manifest entry."); |
|
427 | 427 | return -1; |
|
428 | 428 | } |
|
429 | 429 | self->dirty = true; |
|
430 | 430 | hit->deleted = true; |
|
431 | 431 | self->livelines--; |
|
432 | 432 | return 0; |
|
433 | 433 | } |
|
434 | 434 | |
|
435 | 435 | /* Do a binary search for the insertion point for new, creating the |
|
436 | 436 | * new entry if needed. */ |
|
437 | 437 | static int internalsetitem(lazymanifest *self, line *new) |
|
438 | 438 | { |
|
439 | 439 | int start = 0, end = self->numlines; |
|
440 | 440 | while (start < end) { |
|
441 | 441 | int pos = start + (end - start) / 2; |
|
442 | 442 | int c = linecmp(new, self->lines + pos); |
|
443 | 443 | if (c < 0) |
|
444 | 444 | end = pos; |
|
445 | 445 | else if (c > 0) |
|
446 | 446 | start = pos + 1; |
|
447 | 447 | else { |
|
448 | 448 | if (self->lines[pos].deleted) |
|
449 | 449 | self->livelines++; |
|
450 | 450 | if (self->lines[pos].from_malloc) |
|
451 | 451 | free(self->lines[pos].start); |
|
452 | 452 | start = pos; |
|
453 | 453 | goto finish; |
|
454 | 454 | } |
|
455 | 455 | } |
|
456 | 456 | /* being here means we need to do an insert */ |
|
457 | 457 | if (!realloc_if_full(self)) { |
|
458 | 458 | PyErr_NoMemory(); |
|
459 | 459 | return -1; |
|
460 | 460 | } |
|
461 | 461 | memmove(self->lines + start + 1, self->lines + start, |
|
462 | 462 | (self->numlines - start) * sizeof(line)); |
|
463 | 463 | self->numlines++; |
|
464 | 464 | self->livelines++; |
|
465 | 465 | finish: |
|
466 | 466 | self->lines[start] = *new; |
|
467 | 467 | self->dirty = true; |
|
468 | 468 | return 0; |
|
469 | 469 | } |
|
470 | 470 | |
|
471 | 471 | static int lazymanifest_setitem( |
|
472 | 472 | lazymanifest *self, PyObject *key, PyObject *value) |
|
473 | 473 | { |
|
474 | 474 | char *path; |
|
475 | 475 | Py_ssize_t plen; |
|
476 | 476 | PyObject *pyhash; |
|
477 | 477 | Py_ssize_t hlen; |
|
478 | 478 | char *hash; |
|
479 | 479 | PyObject *pyflags; |
|
480 | 480 | char *flags; |
|
481 | 481 | Py_ssize_t flen; |
|
482 | 482 | size_t dlen; |
|
483 | 483 | char *dest; |
|
484 | 484 | int i; |
|
485 | 485 | line new; |
|
486 | 486 | if (!PyBytes_Check(key)) { |
|
487 | 487 | PyErr_Format(PyExc_TypeError, |
|
488 | 488 | "setitem: manifest keys must be a string."); |
|
489 | 489 | return -1; |
|
490 | 490 | } |
|
491 | 491 | if (!value) { |
|
492 | 492 | return lazymanifest_delitem(self, key); |
|
493 | 493 | } |
|
494 | 494 | if (!PyTuple_Check(value) || PyTuple_Size(value) != 2) { |
|
495 | 495 | PyErr_Format(PyExc_TypeError, |
|
496 | 496 | "Manifest values must be a tuple of (node, flags)."); |
|
497 | 497 | return -1; |
|
498 | 498 | } |
|
499 | 499 | if (PyBytes_AsStringAndSize(key, &path, &plen) == -1) { |
|
500 | 500 | return -1; |
|
501 | 501 | } |
|
502 | 502 | |
|
503 | 503 | pyhash = PyTuple_GetItem(value, 0); |
|
504 | 504 | if (!PyBytes_Check(pyhash)) { |
|
505 | 505 | PyErr_Format(PyExc_TypeError, |
|
506 | 506 | "node must be a 20-byte string"); |
|
507 | 507 | return -1; |
|
508 | 508 | } |
|
509 | 509 | hlen = PyBytes_Size(pyhash); |
|
510 | 510 | /* Some parts of the codebase try and set 21 or 22 |
|
511 | 511 | * byte "hash" values in order to perturb things for |
|
512 | 512 | * status. We have to preserve at least the 21st |
|
513 | 513 | * byte. Sigh. If there's a 22nd byte, we drop it on |
|
514 | 514 | * the floor, which works fine. |
|
515 | 515 | */ |
|
516 | 516 | if (hlen != 20 && hlen != 21 && hlen != 22) { |
|
517 | 517 | PyErr_Format(PyExc_TypeError, |
|
518 | 518 | "node must be a 20-byte string"); |
|
519 | 519 | return -1; |
|
520 | 520 | } |
|
521 | 521 | hash = PyBytes_AsString(pyhash); |
|
522 | 522 | |
|
523 | 523 | pyflags = PyTuple_GetItem(value, 1); |
|
524 | 524 | if (!PyBytes_Check(pyflags) || PyBytes_Size(pyflags) > 1) { |
|
525 | 525 | PyErr_Format(PyExc_TypeError, |
|
526 | 526 | "flags must a 0 or 1 byte string"); |
|
527 | 527 | return -1; |
|
528 | 528 | } |
|
529 | 529 | if (PyBytes_AsStringAndSize(pyflags, &flags, &flen) == -1) { |
|
530 | 530 | return -1; |
|
531 | 531 | } |
|
532 | 532 | /* one null byte and one newline */ |
|
533 | 533 | dlen = plen + 41 + flen + 1; |
|
534 | 534 | dest = malloc(dlen); |
|
535 | 535 | if (!dest) { |
|
536 | 536 | PyErr_NoMemory(); |
|
537 | 537 | return -1; |
|
538 | 538 | } |
|
539 | 539 | memcpy(dest, path, plen + 1); |
|
540 | 540 | for (i = 0; i < 20; i++) { |
|
541 | 541 | /* Cast to unsigned, so it will not get sign-extended when promoted |
|
542 | 542 | * to int (as is done when passing to a variadic function) |
|
543 | 543 | */ |
|
544 | 544 | sprintf(dest + plen + 1 + (i * 2), "%02x", (unsigned char)hash[i]); |
|
545 | 545 | } |
|
546 | 546 | memcpy(dest + plen + 41, flags, flen); |
|
547 | 547 | dest[plen + 41 + flen] = '\n'; |
|
548 | 548 | new.start = dest; |
|
549 | 549 | new.len = dlen; |
|
550 | 550 | new.hash_suffix = '\0'; |
|
551 | 551 | if (hlen > 20) { |
|
552 | 552 | new.hash_suffix = hash[20]; |
|
553 | 553 | } |
|
554 | 554 | new.from_malloc = true; /* is `start` a pointer we allocated? */ |
|
555 | 555 | new.deleted = false; /* is this entry deleted? */ |
|
556 | 556 | if (internalsetitem(self, &new)) { |
|
557 | 557 | return -1; |
|
558 | 558 | } |
|
559 | 559 | return 0; |
|
560 | 560 | } |
|
561 | 561 | |
|
562 | 562 | static PyMappingMethods lazymanifest_mapping_methods = { |
|
563 | 563 | (lenfunc)lazymanifest_size, /* mp_length */ |
|
564 | 564 | (binaryfunc)lazymanifest_getitem, /* mp_subscript */ |
|
565 | 565 | (objobjargproc)lazymanifest_setitem, /* mp_ass_subscript */ |
|
566 | 566 | }; |
|
567 | 567 | |
|
568 | 568 | /* sequence methods (important or __contains__ builds an iterator) */ |
|
569 | 569 | |
|
570 | 570 | static int lazymanifest_contains(lazymanifest *self, PyObject *key) |
|
571 | 571 | { |
|
572 | 572 | line needle; |
|
573 | 573 | line *hit; |
|
574 | 574 | if (!PyBytes_Check(key)) { |
|
575 | 575 | /* Our keys are always strings, so if the contains |
|
576 | 576 | * check is for a non-string, just return false. */ |
|
577 | 577 | return 0; |
|
578 | 578 | } |
|
579 | 579 | needle.start = PyBytes_AsString(key); |
|
580 | 580 | hit = bsearch(&needle, self->lines, self->numlines, sizeof(line), |
|
581 | 581 | &linecmp); |
|
582 | 582 | if (!hit || hit->deleted) { |
|
583 | 583 | return 0; |
|
584 | 584 | } |
|
585 | 585 | return 1; |
|
586 | 586 | } |
|
587 | 587 | |
|
588 | 588 | static PySequenceMethods lazymanifest_seq_meths = { |
|
589 | 589 | (lenfunc)lazymanifest_size, /* sq_length */ |
|
590 | 590 | 0, /* sq_concat */ |
|
591 | 591 | 0, /* sq_repeat */ |
|
592 | 592 | 0, /* sq_item */ |
|
593 | 593 | 0, /* sq_slice */ |
|
594 | 594 | 0, /* sq_ass_item */ |
|
595 | 595 | 0, /* sq_ass_slice */ |
|
596 | 596 | (objobjproc)lazymanifest_contains, /* sq_contains */ |
|
597 | 597 | 0, /* sq_inplace_concat */ |
|
598 | 598 | 0, /* sq_inplace_repeat */ |
|
599 | 599 | }; |
|
600 | 600 | |
|
601 | 601 | |
|
602 | 602 | /* Other methods (copy, diff, etc) */ |
|
603 | 603 | static PyTypeObject lazymanifestType; |
|
604 | 604 | |
|
605 | 605 | /* If the manifest has changes, build the new manifest text and reindex it. */ |
|
606 | 606 | static int compact(lazymanifest *self) |
|
607 | 607 | { |
|
608 | 608 | int i; |
|
609 | 609 | ssize_t need = 0; |
|
610 | 610 | char *data; |
|
611 | 611 | line *src, *dst; |
|
612 | 612 | PyObject *pydata; |
|
613 | 613 | if (!self->dirty) |
|
614 | 614 | return 0; |
|
615 | 615 | for (i = 0; i < self->numlines; i++) { |
|
616 | 616 | if (!self->lines[i].deleted) { |
|
617 | 617 | need += self->lines[i].len; |
|
618 | 618 | } |
|
619 | 619 | } |
|
620 | 620 | pydata = PyBytes_FromStringAndSize(NULL, need); |
|
621 | 621 | if (!pydata) |
|
622 | 622 | return -1; |
|
623 | 623 | data = PyBytes_AsString(pydata); |
|
624 | 624 | if (!data) { |
|
625 | 625 | return -1; |
|
626 | 626 | } |
|
627 | 627 | src = self->lines; |
|
628 | 628 | dst = self->lines; |
|
629 | 629 | for (i = 0; i < self->numlines; i++, src++) { |
|
630 | 630 | char *tofree = NULL; |
|
631 | 631 | if (src->from_malloc) { |
|
632 | 632 | tofree = src->start; |
|
633 | 633 | } |
|
634 | 634 | if (!src->deleted) { |
|
635 | 635 | memcpy(data, src->start, src->len); |
|
636 | 636 | *dst = *src; |
|
637 | 637 | dst->start = data; |
|
638 | 638 | dst->from_malloc = false; |
|
639 | 639 | data += dst->len; |
|
640 | 640 | dst++; |
|
641 | 641 | } |
|
642 | 642 | free(tofree); |
|
643 | 643 | } |
|
644 | 644 | Py_DECREF(self->pydata); |
|
645 | 645 | self->pydata = pydata; |
|
646 | 646 | self->numlines = self->livelines; |
|
647 | 647 | self->dirty = false; |
|
648 | 648 | return 0; |
|
649 | 649 | } |
|
650 | 650 | |
|
651 | 651 | static PyObject *lazymanifest_text(lazymanifest *self) |
|
652 | 652 | { |
|
653 | 653 | if (compact(self) != 0) { |
|
654 | 654 | PyErr_NoMemory(); |
|
655 | 655 | return NULL; |
|
656 | 656 | } |
|
657 | 657 | Py_INCREF(self->pydata); |
|
658 | 658 | return self->pydata; |
|
659 | 659 | } |
|
660 | 660 | |
|
661 | 661 | static lazymanifest *lazymanifest_copy(lazymanifest *self) |
|
662 | 662 | { |
|
663 | 663 | lazymanifest *copy = NULL; |
|
664 | 664 | if (compact(self) != 0) { |
|
665 | 665 | goto nomem; |
|
666 | 666 | } |
|
667 | 667 | copy = PyObject_New(lazymanifest, &lazymanifestType); |
|
668 | 668 | if (!copy) { |
|
669 | 669 | goto nomem; |
|
670 | 670 | } |
|
671 | 671 | copy->numlines = self->numlines; |
|
672 | 672 | copy->livelines = self->livelines; |
|
673 | 673 | copy->dirty = false; |
|
674 | 674 | copy->lines = malloc(self->maxlines *sizeof(line)); |
|
675 | 675 | if (!copy->lines) { |
|
676 | 676 | goto nomem; |
|
677 | 677 | } |
|
678 | 678 | memcpy(copy->lines, self->lines, self->numlines * sizeof(line)); |
|
679 | 679 | copy->maxlines = self->maxlines; |
|
680 | 680 | copy->pydata = self->pydata; |
|
681 | 681 | Py_INCREF(copy->pydata); |
|
682 | 682 | return copy; |
|
683 | 683 | nomem: |
|
684 | 684 | PyErr_NoMemory(); |
|
685 | 685 | Py_XDECREF(copy); |
|
686 | 686 | return NULL; |
|
687 | 687 | } |
|
688 | 688 | |
|
689 | 689 | static lazymanifest *lazymanifest_filtercopy( |
|
690 | 690 | lazymanifest *self, PyObject *matchfn) |
|
691 | 691 | { |
|
692 | 692 | lazymanifest *copy = NULL; |
|
693 | 693 | int i; |
|
694 | 694 | if (!PyCallable_Check(matchfn)) { |
|
695 | 695 | PyErr_SetString(PyExc_TypeError, "matchfn must be callable"); |
|
696 | 696 | return NULL; |
|
697 | 697 | } |
|
698 | 698 | /* compact ourselves first to avoid double-frees later when we |
|
699 | 699 | * compact tmp so that it doesn't have random pointers to our |
|
700 | 700 | * underlying from_malloc-data (self->pydata is safe) */ |
|
701 | 701 | if (compact(self) != 0) { |
|
702 | 702 | goto nomem; |
|
703 | 703 | } |
|
704 | 704 | copy = PyObject_New(lazymanifest, &lazymanifestType); |
|
705 | 705 | if (!copy) { |
|
706 | 706 | goto nomem; |
|
707 | 707 | } |
|
708 | 708 | copy->dirty = true; |
|
709 | 709 | copy->lines = malloc(self->maxlines * sizeof(line)); |
|
710 | 710 | if (!copy->lines) { |
|
711 | 711 | goto nomem; |
|
712 | 712 | } |
|
713 | 713 | copy->maxlines = self->maxlines; |
|
714 | 714 | copy->numlines = 0; |
|
715 | 715 | copy->pydata = self->pydata; |
|
716 | 716 | Py_INCREF(self->pydata); |
|
717 | 717 | for (i = 0; i < self->numlines; i++) { |
|
718 | 718 | PyObject *arglist = NULL, *result = NULL; |
|
719 | 719 | arglist = Py_BuildValue(PY23("(s)", "(y)"), |
|
720 | 720 | self->lines[i].start); |
|
721 | 721 | if (!arglist) { |
|
722 | 722 | return NULL; |
|
723 | 723 | } |
|
724 | 724 | result = PyObject_CallObject(matchfn, arglist); |
|
725 | 725 | Py_DECREF(arglist); |
|
726 | 726 | /* if the callback raised an exception, just let it |
|
727 | 727 | * through and give up */ |
|
728 | 728 | if (!result) { |
|
729 | 729 | free(copy->lines); |
|
730 | 730 | Py_DECREF(self->pydata); |
|
731 | 731 | return NULL; |
|
732 | 732 | } |
|
733 | 733 | if (PyObject_IsTrue(result)) { |
|
734 | 734 | assert(!(self->lines[i].from_malloc)); |
|
735 | 735 | copy->lines[copy->numlines++] = self->lines[i]; |
|
736 | 736 | } |
|
737 | 737 | Py_DECREF(result); |
|
738 | 738 | } |
|
739 | 739 | copy->livelines = copy->numlines; |
|
740 | 740 | return copy; |
|
741 | 741 | nomem: |
|
742 | 742 | PyErr_NoMemory(); |
|
743 | 743 | Py_XDECREF(copy); |
|
744 | 744 | return NULL; |
|
745 | 745 | } |
|
746 | 746 | |
|
747 | 747 | static PyObject *lazymanifest_diff(lazymanifest *self, PyObject *args) |
|
748 | 748 | { |
|
749 | 749 | lazymanifest *other; |
|
750 | 750 | PyObject *pyclean = NULL; |
|
751 | 751 | bool listclean; |
|
752 | 752 | PyObject *emptyTup = NULL, *ret = NULL; |
|
753 | 753 | PyObject *es; |
|
754 | 754 | int sneedle = 0, oneedle = 0; |
|
755 | 755 | if (!PyArg_ParseTuple(args, "O!|O", &lazymanifestType, &other, &pyclean)) { |
|
756 | 756 | return NULL; |
|
757 | 757 | } |
|
758 | 758 | listclean = (!pyclean) ? false : PyObject_IsTrue(pyclean); |
|
759 | 759 | es = PyBytes_FromString(""); |
|
760 | 760 | if (!es) { |
|
761 | 761 | goto nomem; |
|
762 | 762 | } |
|
763 | 763 | emptyTup = PyTuple_Pack(2, Py_None, es); |
|
764 | 764 | Py_DECREF(es); |
|
765 | 765 | if (!emptyTup) { |
|
766 | 766 | goto nomem; |
|
767 | 767 | } |
|
768 | 768 | ret = PyDict_New(); |
|
769 | 769 | if (!ret) { |
|
770 | 770 | goto nomem; |
|
771 | 771 | } |
|
772 | 772 | while (sneedle != self->numlines || oneedle != other->numlines) { |
|
773 | 773 | line *left = self->lines + sneedle; |
|
774 | 774 | line *right = other->lines + oneedle; |
|
775 | 775 | int result; |
|
776 | 776 | PyObject *key; |
|
777 | 777 | PyObject *outer; |
|
778 | 778 | /* If we're looking at a deleted entry and it's not |
|
779 | 779 | * the end of the manifest, just skip it. */ |
|
780 | 780 | if (sneedle < self->numlines && left->deleted) { |
|
781 | 781 | sneedle++; |
|
782 | 782 | continue; |
|
783 | 783 | } |
|
784 | 784 | if (oneedle < other->numlines && right->deleted) { |
|
785 | 785 | oneedle++; |
|
786 | 786 | continue; |
|
787 | 787 | } |
|
788 | 788 | /* if we're at the end of either manifest, then we |
|
789 | 789 | * know the remaining items are adds so we can skip |
|
790 | 790 | * the strcmp. */ |
|
791 | 791 | if (sneedle == self->numlines) { |
|
792 | 792 | result = 1; |
|
793 | 793 | } else if (oneedle == other->numlines) { |
|
794 | 794 | result = -1; |
|
795 | 795 | } else { |
|
796 | 796 | result = linecmp(left, right); |
|
797 | 797 | } |
|
798 | 798 | key = result <= 0 ? |
|
799 | 799 | PyBytes_FromString(left->start) : |
|
800 | 800 | PyBytes_FromString(right->start); |
|
801 | 801 | if (!key) |
|
802 | 802 | goto nomem; |
|
803 | 803 | if (result < 0) { |
|
804 | 804 | PyObject *l = hashflags(left); |
|
805 | 805 | if (!l) { |
|
806 | 806 | goto nomem; |
|
807 | 807 | } |
|
808 | 808 | outer = PyTuple_Pack(2, l, emptyTup); |
|
809 | 809 | Py_DECREF(l); |
|
810 | 810 | if (!outer) { |
|
811 | 811 | goto nomem; |
|
812 | 812 | } |
|
813 | 813 | PyDict_SetItem(ret, key, outer); |
|
814 | 814 | Py_DECREF(outer); |
|
815 | 815 | sneedle++; |
|
816 | 816 | } else if (result > 0) { |
|
817 | 817 | PyObject *r = hashflags(right); |
|
818 | 818 | if (!r) { |
|
819 | 819 | goto nomem; |
|
820 | 820 | } |
|
821 | 821 | outer = PyTuple_Pack(2, emptyTup, r); |
|
822 | 822 | Py_DECREF(r); |
|
823 | 823 | if (!outer) { |
|
824 | 824 | goto nomem; |
|
825 | 825 | } |
|
826 | 826 | PyDict_SetItem(ret, key, outer); |
|
827 | 827 | Py_DECREF(outer); |
|
828 | 828 | oneedle++; |
|
829 | 829 | } else { |
|
830 | 830 | /* file exists in both manifests */ |
|
831 | 831 | if (left->len != right->len |
|
832 | 832 | || memcmp(left->start, right->start, left->len) |
|
833 | 833 | || left->hash_suffix != right->hash_suffix) { |
|
834 | 834 | PyObject *l = hashflags(left); |
|
835 | 835 | PyObject *r; |
|
836 | 836 | if (!l) { |
|
837 | 837 | goto nomem; |
|
838 | 838 | } |
|
839 | 839 | r = hashflags(right); |
|
840 | 840 | if (!r) { |
|
841 | 841 | Py_DECREF(l); |
|
842 | 842 | goto nomem; |
|
843 | 843 | } |
|
844 | 844 | outer = PyTuple_Pack(2, l, r); |
|
845 | 845 | Py_DECREF(l); |
|
846 | 846 | Py_DECREF(r); |
|
847 | 847 | if (!outer) { |
|
848 | 848 | goto nomem; |
|
849 | 849 | } |
|
850 | 850 | PyDict_SetItem(ret, key, outer); |
|
851 | 851 | Py_DECREF(outer); |
|
852 | 852 | } else if (listclean) { |
|
853 | 853 | PyDict_SetItem(ret, key, Py_None); |
|
854 | 854 | } |
|
855 | 855 | sneedle++; |
|
856 | 856 | oneedle++; |
|
857 | 857 | } |
|
858 | 858 | Py_DECREF(key); |
|
859 | 859 | } |
|
860 | 860 | Py_DECREF(emptyTup); |
|
861 | 861 | return ret; |
|
862 | 862 | nomem: |
|
863 | 863 | PyErr_NoMemory(); |
|
864 | 864 | Py_XDECREF(ret); |
|
865 | 865 | Py_XDECREF(emptyTup); |
|
866 | 866 | return NULL; |
|
867 | 867 | } |
|
868 | 868 | |
|
869 | 869 | static PyMethodDef lazymanifest_methods[] = { |
|
870 | 870 | {"iterkeys", (PyCFunction)lazymanifest_getkeysiter, METH_NOARGS, |
|
871 | 871 | "Iterate over file names in this lazymanifest."}, |
|
872 | 872 | {"iterentries", (PyCFunction)lazymanifest_getentriesiter, METH_NOARGS, |
|
873 | 873 | "Iterate over (path, nodeid, flags) tuples in this lazymanifest."}, |
|
874 | 874 | {"copy", (PyCFunction)lazymanifest_copy, METH_NOARGS, |
|
875 | 875 | "Make a copy of this lazymanifest."}, |
|
876 | 876 | {"filtercopy", (PyCFunction)lazymanifest_filtercopy, METH_O, |
|
877 | 877 | "Make a copy of this manifest filtered by matchfn."}, |
|
878 | 878 | {"diff", (PyCFunction)lazymanifest_diff, METH_VARARGS, |
|
879 | 879 | "Compare this lazymanifest to another one."}, |
|
880 | 880 | {"text", (PyCFunction)lazymanifest_text, METH_NOARGS, |
|
881 | 881 | "Encode this manifest to text."}, |
|
882 | 882 | {NULL}, |
|
883 | 883 | }; |
|
884 | 884 | |
|
885 | 885 | #ifdef IS_PY3K |
|
886 | 886 | #define LAZYMANIFEST_TPFLAGS Py_TPFLAGS_DEFAULT |
|
887 | 887 | #else |
|
888 | 888 | #define LAZYMANIFEST_TPFLAGS Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_SEQUENCE_IN |
|
889 | 889 | #endif |
|
890 | 890 | |
|
891 | 891 | static PyTypeObject lazymanifestType = { |
|
892 | 892 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
|
893 | 893 | "parsers.lazymanifest", /* tp_name */ |
|
894 | 894 | sizeof(lazymanifest), /* tp_basicsize */ |
|
895 | 895 | 0, /* tp_itemsize */ |
|
896 | 896 | (destructor)lazymanifest_dealloc, /* tp_dealloc */ |
|
897 | 897 | 0, /* tp_print */ |
|
898 | 898 | 0, /* tp_getattr */ |
|
899 | 899 | 0, /* tp_setattr */ |
|
900 | 900 | 0, /* tp_compare */ |
|
901 | 901 | 0, /* tp_repr */ |
|
902 | 902 | 0, /* tp_as_number */ |
|
903 | 903 | &lazymanifest_seq_meths, /* tp_as_sequence */ |
|
904 | 904 | &lazymanifest_mapping_methods, /* tp_as_mapping */ |
|
905 | 905 | 0, /* tp_hash */ |
|
906 | 906 | 0, /* tp_call */ |
|
907 | 907 | 0, /* tp_str */ |
|
908 | 908 | 0, /* tp_getattro */ |
|
909 | 909 | 0, /* tp_setattro */ |
|
910 | 910 | 0, /* tp_as_buffer */ |
|
911 | 911 | LAZYMANIFEST_TPFLAGS, /* tp_flags */ |
|
912 | 912 | "TODO(augie)", /* tp_doc */ |
|
913 | 913 | 0, /* tp_traverse */ |
|
914 | 914 | 0, /* tp_clear */ |
|
915 | 915 | 0, /* tp_richcompare */ |
|
916 | 916 | 0, /* tp_weaklistoffset */ |
|
917 | 917 | (getiterfunc)lazymanifest_getkeysiter, /* tp_iter */ |
|
918 | 918 | 0, /* tp_iternext */ |
|
919 | 919 | lazymanifest_methods, /* tp_methods */ |
|
920 | 920 | 0, /* tp_members */ |
|
921 | 921 | 0, /* tp_getset */ |
|
922 | 922 | 0, /* tp_base */ |
|
923 | 923 | 0, /* tp_dict */ |
|
924 | 924 | 0, /* tp_descr_get */ |
|
925 | 925 | 0, /* tp_descr_set */ |
|
926 | 926 | 0, /* tp_dictoffset */ |
|
927 | 927 | (initproc)lazymanifest_init, /* tp_init */ |
|
928 | 928 | 0, /* tp_alloc */ |
|
929 | 929 | }; |
|
930 | 930 | |
|
931 | 931 | void manifest_module_init(PyObject * mod) |
|
932 | 932 | { |
|
933 | 933 | lazymanifestType.tp_new = PyType_GenericNew; |
|
934 | 934 | if (PyType_Ready(&lazymanifestType) < 0) |
|
935 | 935 | return; |
|
936 | 936 | Py_INCREF(&lazymanifestType); |
|
937 | 937 | |
|
938 | 938 | PyModule_AddObject(mod, "lazymanifest", |
|
939 | 939 | (PyObject *)&lazymanifestType); |
|
940 | 940 | } |
General Comments 0
You need to be logged in to leave comments.
Login now