Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 1 | #define PY_SSIZE_T_CLEAN 1 |
| 2 | #include <Python.h> |
| 3 | #include <bytesobject.h> |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 4 | #include <structmember.h> |
Eugene Kliuchnikov | db3a116 | 2016-06-13 15:22:13 +0200 | [diff] [blame] | 5 | #include <vector> |
Eugene Kliuchnikov | 2c2d557 | 2016-08-22 15:44:12 +0200 | [diff] [blame] | 6 | #include "../common/version.h" |
Eugene Kliuchnikov | 8148001 | 2016-08-23 14:40:33 +0200 | [diff] [blame] | 7 | #include <brotli/decode.h> |
| 8 | #include <brotli/encode.h> |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 9 | |
| 10 | #if PY_MAJOR_VERSION >= 3 |
| 11 | #define PyInt_Check PyLong_Check |
| 12 | #define PyInt_AsLong PyLong_AsLong |
| 13 | #endif |
| 14 | |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 15 | static PyObject *BrotliError; |
| 16 | |
eustas | c5c80a9 | 2016-01-25 15:13:17 +0100 | [diff] [blame] | 17 | static int as_bounded_int(PyObject *o, int* result, int lower_bound, int upper_bound) { |
eustas | a4f40c1 | 2016-01-25 11:39:05 +0100 | [diff] [blame] | 18 | long value = PyInt_AsLong(o); |
eustas | c5c80a9 | 2016-01-25 15:13:17 +0100 | [diff] [blame] | 19 | if ((value < (long) lower_bound) || (value > (long) upper_bound)) { |
eustas | a4f40c1 | 2016-01-25 11:39:05 +0100 | [diff] [blame] | 20 | return 0; |
| 21 | } |
| 22 | *result = (int) value; |
eustas | ca0ae4c | 2016-01-25 11:40:20 +0100 | [diff] [blame] | 23 | return 1; |
eustas | a4f40c1 | 2016-01-25 11:39:05 +0100 | [diff] [blame] | 24 | } |
| 25 | |
Eugene Kliuchnikov | db3a116 | 2016-06-13 15:22:13 +0200 | [diff] [blame] | 26 | static int mode_convertor(PyObject *o, BrotliEncoderMode *mode) { |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 27 | if (!PyInt_Check(o)) { |
| 28 | PyErr_SetString(BrotliError, "Invalid mode"); |
| 29 | return 0; |
| 30 | } |
| 31 | |
eustas | c49918e | 2016-01-25 12:07:39 +0100 | [diff] [blame] | 32 | int mode_value = -1; |
eustas | c5c80a9 | 2016-01-25 15:13:17 +0100 | [diff] [blame] | 33 | if (!as_bounded_int(o, &mode_value, 0, 255)) { |
eustas | c49918e | 2016-01-25 12:07:39 +0100 | [diff] [blame] | 34 | PyErr_SetString(BrotliError, "Invalid mode"); |
| 35 | return 0; |
| 36 | } |
Eugene Kliuchnikov | db3a116 | 2016-06-13 15:22:13 +0200 | [diff] [blame] | 37 | *mode = (BrotliEncoderMode) mode_value; |
| 38 | if (*mode != BROTLI_MODE_GENERIC && |
| 39 | *mode != BROTLI_MODE_TEXT && |
| 40 | *mode != BROTLI_MODE_FONT) { |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 41 | PyErr_SetString(BrotliError, "Invalid mode"); |
| 42 | return 0; |
| 43 | } |
| 44 | |
| 45 | return 1; |
| 46 | } |
| 47 | |
Cosimo Lupo | 6d935db | 2015-05-08 12:38:22 +0100 | [diff] [blame] | 48 | static int quality_convertor(PyObject *o, int *quality) { |
| 49 | if (!PyInt_Check(o)) { |
| 50 | PyErr_SetString(BrotliError, "Invalid quality"); |
| 51 | return 0; |
| 52 | } |
| 53 | |
eustas | c5c80a9 | 2016-01-25 15:13:17 +0100 | [diff] [blame] | 54 | if (!as_bounded_int(o, quality, 0, 11)) { |
Cosimo Lupo | 6d935db | 2015-05-08 12:38:22 +0100 | [diff] [blame] | 55 | PyErr_SetString(BrotliError, "Invalid quality. Range is 0 to 11."); |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | return 1; |
| 60 | } |
| 61 | |
| 62 | static int lgwin_convertor(PyObject *o, int *lgwin) { |
| 63 | if (!PyInt_Check(o)) { |
| 64 | PyErr_SetString(BrotliError, "Invalid lgwin"); |
| 65 | return 0; |
| 66 | } |
| 67 | |
eustas | c5c80a9 | 2016-01-25 15:13:17 +0100 | [diff] [blame] | 68 | if (!as_bounded_int(o, lgwin, 10, 24)) { |
Cosimo Lupo | 8195a5c | 2015-10-06 19:49:11 +0100 | [diff] [blame] | 69 | PyErr_SetString(BrotliError, "Invalid lgwin. Range is 10 to 24."); |
Cosimo Lupo | 6d935db | 2015-05-08 12:38:22 +0100 | [diff] [blame] | 70 | return 0; |
| 71 | } |
| 72 | |
| 73 | return 1; |
| 74 | } |
| 75 | |
| 76 | static int lgblock_convertor(PyObject *o, int *lgblock) { |
| 77 | if (!PyInt_Check(o)) { |
| 78 | PyErr_SetString(BrotliError, "Invalid lgblock"); |
| 79 | return 0; |
| 80 | } |
| 81 | |
eustas | c5c80a9 | 2016-01-25 15:13:17 +0100 | [diff] [blame] | 82 | if (!as_bounded_int(o, lgblock, 0, 24) || (*lgblock != 0 && *lgblock < 16)) { |
Cosimo Lupo | 6d935db | 2015-05-08 12:38:22 +0100 | [diff] [blame] | 83 | PyErr_SetString(BrotliError, "Invalid lgblock. Can be 0 or in range 16 to 24."); |
| 84 | return 0; |
| 85 | } |
| 86 | |
| 87 | return 1; |
| 88 | } |
| 89 | |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 90 | static BROTLI_BOOL compress_stream(BrotliEncoderState* enc, BrotliEncoderOperation op, |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 91 | std::vector<uint8_t>* output, |
| 92 | uint8_t* input, size_t input_length) { |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 93 | BROTLI_BOOL ok = BROTLI_TRUE; |
Eugene Kliuchnikov | 0ee4161 | 2016-12-12 10:27:13 +0100 | [diff] [blame] | 94 | Py_BEGIN_ALLOW_THREADS |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 95 | |
| 96 | size_t available_in = input_length; |
| 97 | const uint8_t* next_in = input; |
| 98 | size_t available_out = 0; |
| 99 | uint8_t* next_out = NULL; |
| 100 | |
| 101 | while (ok) { |
| 102 | ok = BrotliEncoderCompressStream(enc, op, |
| 103 | &available_in, &next_in, |
| 104 | &available_out, &next_out, NULL); |
| 105 | if (!ok) |
| 106 | break; |
| 107 | |
| 108 | size_t buffer_length = 0; // Request all available output. |
| 109 | const uint8_t* buffer = BrotliEncoderTakeOutput(enc, &buffer_length); |
| 110 | if (buffer_length) { |
| 111 | (*output).insert((*output).end(), buffer, buffer + buffer_length); |
| 112 | } |
| 113 | |
| 114 | if (available_in || BrotliEncoderHasMoreOutput(enc)) { |
| 115 | continue; |
| 116 | } |
| 117 | |
| 118 | break; |
| 119 | } |
| 120 | |
Eugene Kliuchnikov | 0ee4161 | 2016-12-12 10:27:13 +0100 | [diff] [blame] | 121 | Py_END_ALLOW_THREADS |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 122 | return ok; |
| 123 | } |
| 124 | |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 125 | PyDoc_STRVAR(brotli_Compressor_doc, |
| 126 | "An object to compress a byte string.\n" |
Cosimo Lupo | 3351bb0 | 2015-05-08 13:02:05 +0100 | [diff] [blame] | 127 | "\n" |
| 128 | "Signature:\n" |
Eugene Kliuchnikov | d63e8f7 | 2017-08-04 10:02:56 +0200 | [diff] [blame] | 129 | " Compressor(mode=MODE_GENERIC, quality=11, lgwin=22, lgblock=0)\n" |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 130 | "\n" |
Cosimo Lupo | 89c74d6 | 2015-05-08 11:23:08 +0100 | [diff] [blame] | 131 | "Args:\n" |
Cosimo Lupo | aa6f7d8 | 2015-05-11 11:09:36 +0100 | [diff] [blame] | 132 | " mode (int, optional): The compression mode can be MODE_GENERIC (default),\n" |
| 133 | " MODE_TEXT (for UTF-8 format text input) or MODE_FONT (for WOFF 2.0). \n" |
Cosimo Lupo | 4c1d069 | 2015-05-08 12:02:08 +0100 | [diff] [blame] | 134 | " quality (int, optional): Controls the compression-speed vs compression-\n" |
| 135 | " density tradeoff. The higher the quality, the slower the compression.\n" |
| 136 | " Range is 0 to 11. Defaults to 11.\n" |
| 137 | " lgwin (int, optional): Base 2 logarithm of the sliding window size. Range\n" |
Cosimo Lupo | 8195a5c | 2015-10-06 19:49:11 +0100 | [diff] [blame] | 138 | " is 10 to 24. Defaults to 22.\n" |
Cosimo Lupo | 4c1d069 | 2015-05-08 12:02:08 +0100 | [diff] [blame] | 139 | " lgblock (int, optional): Base 2 logarithm of the maximum input block size.\n" |
| 140 | " Range is 16 to 24. If set to 0, the value will be set based on the\n" |
| 141 | " quality. Defaults to 0.\n" |
Cosimo Lupo | 89c74d6 | 2015-05-08 11:23:08 +0100 | [diff] [blame] | 142 | "\n" |
Cosimo Lupo | 89c74d6 | 2015-05-08 11:23:08 +0100 | [diff] [blame] | 143 | "Raises:\n" |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 144 | " brotli.error: If arguments are invalid.\n"); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 145 | |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 146 | typedef struct { |
| 147 | PyObject_HEAD |
| 148 | BrotliEncoderState* enc; |
| 149 | } brotli_Compressor; |
| 150 | |
| 151 | static void brotli_Compressor_dealloc(brotli_Compressor* self) { |
| 152 | BrotliEncoderDestroyInstance(self->enc); |
| 153 | #if PY_MAJOR_VERSION >= 3 |
| 154 | Py_TYPE(self)->tp_free((PyObject*)self); |
| 155 | #else |
| 156 | self->ob_type->tp_free((PyObject*)self); |
| 157 | #endif |
| 158 | } |
| 159 | |
| 160 | static PyObject* brotli_Compressor_new(PyTypeObject *type, PyObject *args, PyObject *keywds) { |
| 161 | brotli_Compressor *self; |
| 162 | self = (brotli_Compressor *)type->tp_alloc(type, 0); |
| 163 | |
| 164 | if (self != NULL) { |
| 165 | self->enc = BrotliEncoderCreateInstance(0, 0, 0); |
| 166 | } |
| 167 | |
| 168 | return (PyObject *)self; |
| 169 | } |
| 170 | |
| 171 | static int brotli_Compressor_init(brotli_Compressor *self, PyObject *args, PyObject *keywds) { |
Eugene Kliuchnikov | db3a116 | 2016-06-13 15:22:13 +0200 | [diff] [blame] | 172 | BrotliEncoderMode mode = (BrotliEncoderMode) -1; |
Cosimo Lupo | 6d935db | 2015-05-08 12:38:22 +0100 | [diff] [blame] | 173 | int quality = -1; |
| 174 | int lgwin = -1; |
| 175 | int lgblock = -1; |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 176 | int ok; |
| 177 | |
Eugene Kliuchnikov | d63e8f7 | 2017-08-04 10:02:56 +0200 | [diff] [blame] | 178 | static const char *kwlist[] = {"mode", "quality", "lgwin", "lgblock", NULL}; |
Cosimo Lupo | 89c74d6 | 2015-05-08 11:23:08 +0100 | [diff] [blame] | 179 | |
Eugene Kliuchnikov | d63e8f7 | 2017-08-04 10:02:56 +0200 | [diff] [blame] | 180 | ok = PyArg_ParseTupleAndKeywords(args, keywds, "|O&O&O&O&:Compressor", |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 181 | const_cast<char **>(kwlist), |
| 182 | &mode_convertor, &mode, |
| 183 | &quality_convertor, &quality, |
| 184 | &lgwin_convertor, &lgwin, |
Eugene Kliuchnikov | d63e8f7 | 2017-08-04 10:02:56 +0200 | [diff] [blame] | 185 | &lgblock_convertor, &lgblock); |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 186 | if (!ok) |
| 187 | return -1; |
| 188 | if (!self->enc) |
| 189 | return -1; |
Eugene Kliuchnikov | 30612e3 | 2016-02-23 17:42:55 +0100 | [diff] [blame] | 190 | |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 191 | if ((int) mode != -1) |
| 192 | BrotliEncoderSetParameter(self->enc, BROTLI_PARAM_MODE, (uint32_t)mode); |
| 193 | if (quality != -1) |
| 194 | BrotliEncoderSetParameter(self->enc, BROTLI_PARAM_QUALITY, (uint32_t)quality); |
| 195 | if (lgwin != -1) |
| 196 | BrotliEncoderSetParameter(self->enc, BROTLI_PARAM_LGWIN, (uint32_t)lgwin); |
| 197 | if (lgblock != -1) |
| 198 | BrotliEncoderSetParameter(self->enc, BROTLI_PARAM_LGBLOCK, (uint32_t)lgblock); |
| 199 | |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 200 | return 0; |
| 201 | } |
| 202 | |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 203 | PyDoc_STRVAR(brotli_Compressor_process_doc, |
| 204 | "Process \"string\" for compression, returning a string that contains \n" |
| 205 | "compressed output data. This data should be concatenated to the output \n" |
| 206 | "produced by any preceding calls to the \"process()\" or flush()\" methods. \n" |
| 207 | "Some or all of the input may be kept in internal buffers for later \n" |
| 208 | "processing, and the compressed output data may be empty until enough input \n" |
| 209 | "has been accumulated.\n" |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 210 | "\n" |
| 211 | "Signature:\n" |
| 212 | " compress(string)\n" |
| 213 | "\n" |
| 214 | "Args:\n" |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 215 | " string (bytes): The input data\n" |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 216 | "\n" |
| 217 | "Returns:\n" |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 218 | " The compressed output data (bytes)\n" |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 219 | "\n" |
| 220 | "Raises:\n" |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 221 | " brotli.error: If compression fails\n"); |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 222 | |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 223 | static PyObject* brotli_Compressor_process(brotli_Compressor *self, PyObject *args) { |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 224 | PyObject* ret = NULL; |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 225 | std::vector<uint8_t> output; |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 226 | Py_buffer input; |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 227 | BROTLI_BOOL ok = BROTLI_TRUE; |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 228 | |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 229 | #if PY_MAJOR_VERSION >= 3 |
| 230 | ok = (BROTLI_BOOL)PyArg_ParseTuple(args, "y*:process", &input); |
| 231 | #else |
| 232 | ok = (BROTLI_BOOL)PyArg_ParseTuple(args, "s*:process", &input); |
| 233 | #endif |
| 234 | |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 235 | if (!ok) |
| 236 | return NULL; |
| 237 | |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 238 | if (!self->enc) { |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 239 | ok = BROTLI_FALSE; |
Eugene Kliuchnikov | db3a116 | 2016-06-13 15:22:13 +0200 | [diff] [blame] | 240 | goto end; |
| 241 | } |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 242 | |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 243 | ok = compress_stream(self->enc, BROTLI_OPERATION_PROCESS, |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 244 | &output, static_cast<uint8_t*>(input.buf), input.len); |
Eugene Kliuchnikov | 30612e3 | 2016-02-23 17:42:55 +0100 | [diff] [blame] | 245 | |
Eugene Kliuchnikov | db3a116 | 2016-06-13 15:22:13 +0200 | [diff] [blame] | 246 | end: |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 247 | PyBuffer_Release(&input); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 248 | if (ok) { |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 249 | ret = PyBytes_FromStringAndSize((char*)(output.size() ? &output[0] : NULL), output.size()); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 250 | } else { |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 251 | PyErr_SetString(BrotliError, "BrotliEncoderCompressStream failed while processing the stream"); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 252 | } |
| 253 | |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 254 | return ret; |
| 255 | } |
| 256 | |
| 257 | PyDoc_STRVAR(brotli_Compressor_flush_doc, |
| 258 | "Process all pending input, returning a string containing the remaining\n" |
| 259 | "compressed data. This data should be concatenated to the output produced by\n" |
| 260 | "any preceding calls to the \"process()\" or \"flush()\" methods.\n" |
| 261 | "\n" |
| 262 | "Signature:\n" |
| 263 | " flush()\n" |
| 264 | "\n" |
| 265 | "Returns:\n" |
| 266 | " The compressed output data (bytes)\n" |
| 267 | "\n" |
| 268 | "Raises:\n" |
| 269 | " brotli.error: If compression fails\n"); |
| 270 | |
| 271 | static PyObject* brotli_Compressor_flush(brotli_Compressor *self) { |
| 272 | PyObject *ret = NULL; |
| 273 | std::vector<uint8_t> output; |
| 274 | BROTLI_BOOL ok = BROTLI_TRUE; |
| 275 | |
| 276 | if (!self->enc) { |
| 277 | ok = BROTLI_FALSE; |
| 278 | goto end; |
| 279 | } |
| 280 | |
| 281 | ok = compress_stream(self->enc, BROTLI_OPERATION_FLUSH, |
| 282 | &output, NULL, 0); |
| 283 | |
| 284 | end: |
| 285 | if (ok) { |
| 286 | ret = PyBytes_FromStringAndSize((char*)(output.size() ? &output[0] : NULL), output.size()); |
| 287 | } else { |
| 288 | PyErr_SetString(BrotliError, "BrotliEncoderCompressStream failed while flushing the stream"); |
| 289 | } |
| 290 | |
| 291 | return ret; |
| 292 | } |
| 293 | |
| 294 | PyDoc_STRVAR(brotli_Compressor_finish_doc, |
| 295 | "Process all pending input and complete all compression, returning a string\n" |
| 296 | "containing the remaining compressed data. This data should be concatenated\n" |
| 297 | "to the output produced by any preceding calls to the \"process()\" or\n" |
| 298 | "\"flush()\" methods.\n" |
| 299 | "After calling \"finish()\", the \"process()\" and \"flush()\" methods\n" |
| 300 | "cannot be called again, and a new \"Compressor\" object should be created.\n" |
| 301 | "\n" |
| 302 | "Signature:\n" |
| 303 | " finish(string)\n" |
| 304 | "\n" |
| 305 | "Returns:\n" |
| 306 | " The compressed output data (bytes)\n" |
| 307 | "\n" |
| 308 | "Raises:\n" |
| 309 | " brotli.error: If compression fails\n"); |
| 310 | |
| 311 | static PyObject* brotli_Compressor_finish(brotli_Compressor *self) { |
| 312 | PyObject *ret = NULL; |
| 313 | std::vector<uint8_t> output; |
| 314 | BROTLI_BOOL ok = BROTLI_TRUE; |
| 315 | |
| 316 | if (!self->enc) { |
| 317 | ok = BROTLI_FALSE; |
| 318 | goto end; |
| 319 | } |
| 320 | |
| 321 | ok = compress_stream(self->enc, BROTLI_OPERATION_FINISH, |
| 322 | &output, NULL, 0); |
| 323 | |
| 324 | if (ok) { |
| 325 | ok = BrotliEncoderIsFinished(self->enc); |
| 326 | } |
| 327 | |
| 328 | end: |
| 329 | if (ok) { |
Eugene Kliuchnikov | 1becbbf | 2017-06-30 13:09:50 +0200 | [diff] [blame] | 330 | ret = PyBytes_FromStringAndSize((char*)(output.empty() ? NULL : &output[0]), output.size()); |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 331 | } else { |
| 332 | PyErr_SetString(BrotliError, "BrotliEncoderCompressStream failed while finishing the stream"); |
| 333 | } |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 334 | |
| 335 | return ret; |
| 336 | } |
| 337 | |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 338 | static PyMemberDef brotli_Compressor_members[] = { |
| 339 | {NULL} /* Sentinel */ |
| 340 | }; |
| 341 | |
| 342 | static PyMethodDef brotli_Compressor_methods[] = { |
Alex Nicksay | 5632315 | 2016-10-24 07:28:56 -0400 | [diff] [blame] | 343 | {"process", (PyCFunction)brotli_Compressor_process, METH_VARARGS, brotli_Compressor_process_doc}, |
| 344 | {"flush", (PyCFunction)brotli_Compressor_flush, METH_NOARGS, brotli_Compressor_flush_doc}, |
| 345 | {"finish", (PyCFunction)brotli_Compressor_finish, METH_NOARGS, brotli_Compressor_finish_doc}, |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 346 | {NULL} /* Sentinel */ |
| 347 | }; |
| 348 | |
| 349 | static PyTypeObject brotli_CompressorType = { |
| 350 | #if PY_MAJOR_VERSION >= 3 |
| 351 | PyVarObject_HEAD_INIT(NULL, 0) |
| 352 | #else |
| 353 | PyObject_HEAD_INIT(NULL) |
| 354 | 0, /* ob_size*/ |
| 355 | #endif |
| 356 | "brotli.Compressor", /* tp_name */ |
| 357 | sizeof(brotli_Compressor), /* tp_basicsize */ |
| 358 | 0, /* tp_itemsize */ |
| 359 | (destructor)brotli_Compressor_dealloc, /* tp_dealloc */ |
| 360 | 0, /* tp_print */ |
| 361 | 0, /* tp_getattr */ |
| 362 | 0, /* tp_setattr */ |
| 363 | 0, /* tp_compare */ |
| 364 | 0, /* tp_repr */ |
| 365 | 0, /* tp_as_number */ |
| 366 | 0, /* tp_as_sequence */ |
| 367 | 0, /* tp_as_mapping */ |
| 368 | 0, /* tp_hash */ |
| 369 | 0, /* tp_call */ |
| 370 | 0, /* tp_str */ |
| 371 | 0, /* tp_getattro */ |
| 372 | 0, /* tp_setattro */ |
| 373 | 0, /* tp_as_buffer */ |
| 374 | Py_TPFLAGS_DEFAULT, /* tp_flags */ |
| 375 | brotli_Compressor_doc, /* tp_doc */ |
| 376 | 0, /* tp_traverse */ |
| 377 | 0, /* tp_clear */ |
| 378 | 0, /* tp_richcompare */ |
| 379 | 0, /* tp_weaklistoffset */ |
| 380 | 0, /* tp_iter */ |
| 381 | 0, /* tp_iternext */ |
| 382 | brotli_Compressor_methods, /* tp_methods */ |
| 383 | brotli_Compressor_members, /* tp_members */ |
| 384 | 0, /* tp_getset */ |
| 385 | 0, /* tp_base */ |
| 386 | 0, /* tp_dict */ |
| 387 | 0, /* tp_descr_get */ |
| 388 | 0, /* tp_descr_set */ |
| 389 | 0, /* tp_dictoffset */ |
| 390 | (initproc)brotli_Compressor_init, /* tp_init */ |
| 391 | 0, /* tp_alloc */ |
| 392 | brotli_Compressor_new, /* tp_new */ |
| 393 | }; |
| 394 | |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 395 | static BROTLI_BOOL decompress_stream(BrotliDecoderState* dec, |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 396 | std::vector<uint8_t>* output, |
| 397 | uint8_t* input, size_t input_length) { |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 398 | BROTLI_BOOL ok = BROTLI_TRUE; |
| 399 | Py_BEGIN_ALLOW_THREADS |
| 400 | |
| 401 | size_t available_in = input_length; |
| 402 | const uint8_t* next_in = input; |
| 403 | size_t available_out = 0; |
| 404 | uint8_t* next_out = NULL; |
| 405 | |
| 406 | BrotliDecoderResult result = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT; |
| 407 | while (result == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) { |
| 408 | result = BrotliDecoderDecompressStream(dec, |
| 409 | &available_in, &next_in, |
| 410 | &available_out, &next_out, NULL); |
| 411 | size_t buffer_length = 0; // Request all available output. |
| 412 | const uint8_t* buffer = BrotliDecoderTakeOutput(dec, &buffer_length); |
| 413 | if (buffer_length) { |
| 414 | (*output).insert((*output).end(), buffer, buffer + buffer_length); |
| 415 | } |
| 416 | } |
Justin Ridgewell | 5805f99 | 2018-11-12 04:36:00 -0500 | [diff] [blame] | 417 | ok = result != BROTLI_DECODER_RESULT_ERROR && !available_in; |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 418 | |
| 419 | Py_END_ALLOW_THREADS |
| 420 | return ok; |
| 421 | } |
| 422 | |
| 423 | PyDoc_STRVAR(brotli_Decompressor_doc, |
| 424 | "An object to decompress a byte string.\n" |
| 425 | "\n" |
| 426 | "Signature:\n" |
Eugene Kliuchnikov | d63e8f7 | 2017-08-04 10:02:56 +0200 | [diff] [blame] | 427 | " Decompressor()\n" |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 428 | "\n" |
| 429 | "Raises:\n" |
| 430 | " brotli.error: If arguments are invalid.\n"); |
| 431 | |
| 432 | typedef struct { |
| 433 | PyObject_HEAD |
| 434 | BrotliDecoderState* dec; |
| 435 | } brotli_Decompressor; |
| 436 | |
| 437 | static void brotli_Decompressor_dealloc(brotli_Decompressor* self) { |
| 438 | BrotliDecoderDestroyInstance(self->dec); |
| 439 | #if PY_MAJOR_VERSION >= 3 |
| 440 | Py_TYPE(self)->tp_free((PyObject*)self); |
| 441 | #else |
| 442 | self->ob_type->tp_free((PyObject*)self); |
| 443 | #endif |
| 444 | } |
| 445 | |
| 446 | static PyObject* brotli_Decompressor_new(PyTypeObject *type, PyObject *args, PyObject *keywds) { |
| 447 | brotli_Decompressor *self; |
| 448 | self = (brotli_Decompressor *)type->tp_alloc(type, 0); |
| 449 | |
| 450 | if (self != NULL) { |
| 451 | self->dec = BrotliDecoderCreateInstance(0, 0, 0); |
| 452 | } |
| 453 | |
| 454 | return (PyObject *)self; |
| 455 | } |
| 456 | |
| 457 | static int brotli_Decompressor_init(brotli_Decompressor *self, PyObject *args, PyObject *keywds) { |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 458 | int ok; |
| 459 | |
Eugene Kliuchnikov | d63e8f7 | 2017-08-04 10:02:56 +0200 | [diff] [blame] | 460 | static const char *kwlist[] = {NULL}; |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 461 | |
Eugene Kliuchnikov | d63e8f7 | 2017-08-04 10:02:56 +0200 | [diff] [blame] | 462 | ok = PyArg_ParseTupleAndKeywords(args, keywds, "|:Decompressor", |
| 463 | const_cast<char **>(kwlist)); |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 464 | if (!ok) |
| 465 | return -1; |
| 466 | if (!self->dec) |
| 467 | return -1; |
| 468 | |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 469 | return 0; |
| 470 | } |
| 471 | |
| 472 | PyDoc_STRVAR(brotli_Decompressor_process_doc, |
| 473 | "Process \"string\" for decompression, returning a string that contains \n" |
| 474 | "decompressed output data. This data should be concatenated to the output \n" |
| 475 | "produced by any preceding calls to the \"process()\" method. \n" |
| 476 | "Some or all of the input may be kept in internal buffers for later \n" |
| 477 | "processing, and the decompressed output data may be empty until enough input \n" |
| 478 | "has been accumulated.\n" |
| 479 | "\n" |
| 480 | "Signature:\n" |
| 481 | " decompress(string)\n" |
| 482 | "\n" |
| 483 | "Args:\n" |
| 484 | " string (bytes): The input data\n" |
| 485 | "\n" |
| 486 | "Returns:\n" |
| 487 | " The decompressed output data (bytes)\n" |
| 488 | "\n" |
| 489 | "Raises:\n" |
| 490 | " brotli.error: If decompression fails\n"); |
| 491 | |
| 492 | static PyObject* brotli_Decompressor_process(brotli_Decompressor *self, PyObject *args) { |
| 493 | PyObject* ret = NULL; |
| 494 | std::vector<uint8_t> output; |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 495 | Py_buffer input; |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 496 | BROTLI_BOOL ok = BROTLI_TRUE; |
| 497 | |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 498 | #if PY_MAJOR_VERSION >= 3 |
| 499 | ok = (BROTLI_BOOL)PyArg_ParseTuple(args, "y*:process", &input); |
| 500 | #else |
| 501 | ok = (BROTLI_BOOL)PyArg_ParseTuple(args, "s*:process", &input); |
| 502 | #endif |
| 503 | |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 504 | if (!ok) |
| 505 | return NULL; |
| 506 | |
| 507 | if (!self->dec) { |
| 508 | ok = BROTLI_FALSE; |
| 509 | goto end; |
| 510 | } |
| 511 | |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 512 | ok = decompress_stream(self->dec, &output, static_cast<uint8_t*>(input.buf), input.len); |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 513 | |
| 514 | end: |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 515 | PyBuffer_Release(&input); |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 516 | if (ok) { |
Eugene Kliuchnikov | 1becbbf | 2017-06-30 13:09:50 +0200 | [diff] [blame] | 517 | ret = PyBytes_FromStringAndSize((char*)(output.empty() ? NULL : &output[0]), output.size()); |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 518 | } else { |
| 519 | PyErr_SetString(BrotliError, "BrotliDecoderDecompressStream failed while processing the stream"); |
| 520 | } |
| 521 | |
| 522 | return ret; |
| 523 | } |
| 524 | |
| 525 | PyDoc_STRVAR(brotli_Decompressor_is_finished_doc, |
| 526 | "Checks if decoder instance reached the final state.\n" |
| 527 | "\n" |
| 528 | "Signature:\n" |
| 529 | " is_finished()\n" |
| 530 | "\n" |
| 531 | "Returns:\n" |
| 532 | " True if the decoder is in a state where it reached the end of the input\n" |
| 533 | " and produced all of the output\n" |
| 534 | " False otherwise\n" |
| 535 | "\n" |
| 536 | "Raises:\n" |
| 537 | " brotli.error: If decompression fails\n"); |
| 538 | |
| 539 | static PyObject* brotli_Decompressor_is_finished(brotli_Decompressor *self) { |
| 540 | PyObject *ret = NULL; |
| 541 | std::vector<uint8_t> output; |
| 542 | BROTLI_BOOL ok = BROTLI_TRUE; |
| 543 | |
| 544 | if (!self->dec) { |
| 545 | ok = BROTLI_FALSE; |
| 546 | PyErr_SetString(BrotliError, "BrotliDecoderState is NULL while checking is_finished"); |
| 547 | goto end; |
| 548 | } |
| 549 | |
| 550 | if (BrotliDecoderIsFinished(self->dec)) { |
| 551 | Py_RETURN_TRUE; |
| 552 | } else { |
| 553 | Py_RETURN_FALSE; |
| 554 | } |
| 555 | |
| 556 | end: |
| 557 | if (ok) { |
Eugene Kliuchnikov | 1becbbf | 2017-06-30 13:09:50 +0200 | [diff] [blame] | 558 | ret = PyBytes_FromStringAndSize((char*)(output.empty() ? NULL : &output[0]), output.size()); |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 559 | } else { |
| 560 | PyErr_SetString(BrotliError, "BrotliDecoderDecompressStream failed while finishing the stream"); |
| 561 | } |
| 562 | |
| 563 | return ret; |
| 564 | } |
| 565 | |
| 566 | static PyMemberDef brotli_Decompressor_members[] = { |
| 567 | {NULL} /* Sentinel */ |
| 568 | }; |
| 569 | |
| 570 | static PyMethodDef brotli_Decompressor_methods[] = { |
| 571 | {"process", (PyCFunction)brotli_Decompressor_process, METH_VARARGS, brotli_Decompressor_process_doc}, |
| 572 | {"is_finished", (PyCFunction)brotli_Decompressor_is_finished, METH_NOARGS, brotli_Decompressor_is_finished_doc}, |
| 573 | {NULL} /* Sentinel */ |
| 574 | }; |
| 575 | |
| 576 | static PyTypeObject brotli_DecompressorType = { |
| 577 | #if PY_MAJOR_VERSION >= 3 |
| 578 | PyVarObject_HEAD_INIT(NULL, 0) |
| 579 | #else |
| 580 | PyObject_HEAD_INIT(NULL) |
| 581 | 0, /* ob_size*/ |
| 582 | #endif |
| 583 | "brotli.Decompressor", /* tp_name */ |
| 584 | sizeof(brotli_Decompressor), /* tp_basicsize */ |
| 585 | 0, /* tp_itemsize */ |
| 586 | (destructor)brotli_Decompressor_dealloc, /* tp_dealloc */ |
| 587 | 0, /* tp_print */ |
| 588 | 0, /* tp_getattr */ |
| 589 | 0, /* tp_setattr */ |
| 590 | 0, /* tp_compare */ |
| 591 | 0, /* tp_repr */ |
| 592 | 0, /* tp_as_number */ |
| 593 | 0, /* tp_as_sequence */ |
| 594 | 0, /* tp_as_mapping */ |
| 595 | 0, /* tp_hash */ |
| 596 | 0, /* tp_call */ |
| 597 | 0, /* tp_str */ |
| 598 | 0, /* tp_getattro */ |
| 599 | 0, /* tp_setattro */ |
| 600 | 0, /* tp_as_buffer */ |
| 601 | Py_TPFLAGS_DEFAULT, /* tp_flags */ |
| 602 | brotli_Decompressor_doc, /* tp_doc */ |
| 603 | 0, /* tp_traverse */ |
| 604 | 0, /* tp_clear */ |
| 605 | 0, /* tp_richcompare */ |
| 606 | 0, /* tp_weaklistoffset */ |
| 607 | 0, /* tp_iter */ |
| 608 | 0, /* tp_iternext */ |
| 609 | brotli_Decompressor_methods, /* tp_methods */ |
| 610 | brotli_Decompressor_members, /* tp_members */ |
| 611 | 0, /* tp_getset */ |
| 612 | 0, /* tp_base */ |
| 613 | 0, /* tp_dict */ |
| 614 | 0, /* tp_descr_get */ |
| 615 | 0, /* tp_descr_set */ |
| 616 | 0, /* tp_dictoffset */ |
| 617 | (initproc)brotli_Decompressor_init, /* tp_init */ |
| 618 | 0, /* tp_alloc */ |
| 619 | brotli_Decompressor_new, /* tp_new */ |
| 620 | }; |
| 621 | |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 622 | PyDoc_STRVAR(brotli_decompress__doc__, |
Cosimo Lupo | 3351bb0 | 2015-05-08 13:02:05 +0100 | [diff] [blame] | 623 | "Decompress a compressed byte string.\n" |
| 624 | "\n" |
| 625 | "Signature:\n" |
| 626 | " decompress(string)\n" |
| 627 | "\n" |
| 628 | "Args:\n" |
| 629 | " string (bytes): The compressed input data.\n" |
| 630 | "\n" |
| 631 | "Returns:\n" |
| 632 | " The decompressed byte string.\n" |
| 633 | "\n" |
| 634 | "Raises:\n" |
| 635 | " brotli.error: If decompressor fails.\n"); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 636 | |
Eugene Kliuchnikov | 30612e3 | 2016-02-23 17:42:55 +0100 | [diff] [blame] | 637 | static PyObject* brotli_decompress(PyObject *self, PyObject *args, PyObject *keywds) { |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 638 | PyObject *ret = NULL; |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 639 | Py_buffer input; |
| 640 | const uint8_t* next_in; |
| 641 | size_t available_in; |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 642 | int ok; |
| 643 | |
Eugene Kliuchnikov | d63e8f7 | 2017-08-04 10:02:56 +0200 | [diff] [blame] | 644 | static const char *kwlist[] = {"string", NULL}; |
Eugene Kliuchnikov | 30612e3 | 2016-02-23 17:42:55 +0100 | [diff] [blame] | 645 | |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 646 | #if PY_MAJOR_VERSION >= 3 |
| 647 | ok = PyArg_ParseTupleAndKeywords(args, keywds, "y*|:decompress", |
| 648 | const_cast<char **>(kwlist), &input); |
| 649 | #else |
| 650 | ok = PyArg_ParseTupleAndKeywords(args, keywds, "s*|:decompress", |
| 651 | const_cast<char **>(kwlist), &input); |
| 652 | #endif |
| 653 | |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 654 | if (!ok) |
| 655 | return NULL; |
| 656 | |
Khaled Hosny | e0c5df8 | 2015-03-13 23:55:03 +0200 | [diff] [blame] | 657 | std::vector<uint8_t> output; |
Eugene Kliuchnikov | 0ee4161 | 2016-12-12 10:27:13 +0100 | [diff] [blame] | 658 | |
| 659 | /* >>> Pure C block; release python GIL. */ |
| 660 | Py_BEGIN_ALLOW_THREADS |
| 661 | |
Eugene Kliuchnikov | b754f60 | 2016-09-21 15:37:45 +0200 | [diff] [blame] | 662 | BrotliDecoderState* state = BrotliDecoderCreateInstance(0, 0, 0); |
Eugene Kliuchnikov | 30612e3 | 2016-02-23 17:42:55 +0100 | [diff] [blame] | 663 | |
Eugene Kliuchnikov | b754f60 | 2016-09-21 15:37:45 +0200 | [diff] [blame] | 664 | BrotliDecoderResult result = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT; |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 665 | next_in = static_cast<uint8_t*>(input.buf); |
| 666 | available_in = input.len; |
Eugene Kliuchnikov | b754f60 | 2016-09-21 15:37:45 +0200 | [diff] [blame] | 667 | while (result == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) { |
Eugene Kliuchnikov | 0ee4161 | 2016-12-12 10:27:13 +0100 | [diff] [blame] | 668 | size_t available_out = 0; |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 669 | result = BrotliDecoderDecompressStream(state, &available_in, &next_in, |
Eugene Kliuchnikov | 0ee4161 | 2016-12-12 10:27:13 +0100 | [diff] [blame] | 670 | &available_out, 0, 0); |
| 671 | const uint8_t* next_out = BrotliDecoderTakeOutput(state, &available_out); |
| 672 | if (available_out != 0) |
| 673 | output.insert(output.end(), next_out, next_out + available_out); |
eustas | 1f91064 | 2016-01-22 14:01:46 +0100 | [diff] [blame] | 674 | } |
Justin Ridgewell | 5805f99 | 2018-11-12 04:36:00 -0500 | [diff] [blame] | 675 | ok = result == BROTLI_DECODER_RESULT_SUCCESS && !available_in; |
Eugene Kliuchnikov | 0ee4161 | 2016-12-12 10:27:13 +0100 | [diff] [blame] | 676 | BrotliDecoderDestroyInstance(state); |
| 677 | |
| 678 | Py_END_ALLOW_THREADS |
| 679 | /* <<< Pure C block end. Python GIL reacquired. */ |
| 680 | |
Eugene Kliuchnikov | a629289 | 2017-08-28 11:31:29 +0200 | [diff] [blame] | 681 | PyBuffer_Release(&input); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 682 | if (ok) { |
Cosimo Lupo | 3e67d48 | 2015-10-05 11:09:11 +0100 | [diff] [blame] | 683 | ret = PyBytes_FromStringAndSize((char*)(output.size() ? &output[0] : NULL), output.size()); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 684 | } else { |
Khaled Hosny | e0c5df8 | 2015-03-13 23:55:03 +0200 | [diff] [blame] | 685 | PyErr_SetString(BrotliError, "BrotliDecompress failed"); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 686 | } |
Alex Nicksay | f7b5b3d | 2016-09-28 17:26:00 -0400 | [diff] [blame] | 687 | |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 688 | return ret; |
| 689 | } |
| 690 | |
| 691 | static PyMethodDef brotli_methods[] = { |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 692 | {"decompress", (PyCFunction)brotli_decompress, METH_VARARGS | METH_KEYWORDS, brotli_decompress__doc__}, |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 693 | {NULL, NULL, 0, NULL} |
| 694 | }; |
| 695 | |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 696 | PyDoc_STRVAR(brotli_doc, "Implementation module for the Brotli library."); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 697 | |
| 698 | #if PY_MAJOR_VERSION >= 3 |
Alex Nicksay | f7b5b3d | 2016-09-28 17:26:00 -0400 | [diff] [blame] | 699 | #define INIT_BROTLI PyInit__brotli |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 700 | #define CREATE_BROTLI PyModule_Create(&brotli_module) |
| 701 | #define RETURN_BROTLI return m |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 702 | #define RETURN_NULL return NULL |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 703 | |
| 704 | static struct PyModuleDef brotli_module = { |
| 705 | PyModuleDef_HEAD_INIT, |
Eugene Kliuchnikov | c8b37e8 | 2019-07-17 14:39:56 +0200 | [diff] [blame] | 706 | "_brotli", /* m_name */ |
| 707 | brotli_doc, /* m_doc */ |
| 708 | 0, /* m_size */ |
| 709 | brotli_methods, /* m_methods */ |
| 710 | NULL, /* m_reload */ |
| 711 | NULL, /* m_traverse */ |
| 712 | NULL, /* m_clear */ |
| 713 | NULL /* m_free */ |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 714 | }; |
| 715 | #else |
Alex Nicksay | f7b5b3d | 2016-09-28 17:26:00 -0400 | [diff] [blame] | 716 | #define INIT_BROTLI init_brotli |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 717 | #define CREATE_BROTLI Py_InitModule3("_brotli", brotli_methods, brotli_doc) |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 718 | #define RETURN_BROTLI return |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 719 | #define RETURN_NULL return |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 720 | #endif |
| 721 | |
| 722 | PyMODINIT_FUNC INIT_BROTLI(void) { |
| 723 | PyObject *m = CREATE_BROTLI; |
| 724 | |
| 725 | BrotliError = PyErr_NewException((char*) "brotli.error", NULL, NULL); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 726 | if (BrotliError != NULL) { |
| 727 | Py_INCREF(BrotliError); |
| 728 | PyModule_AddObject(m, "error", BrotliError); |
| 729 | } |
| 730 | |
Alex Nicksay | 595a524 | 2016-09-29 15:14:16 -0400 | [diff] [blame] | 731 | if (PyType_Ready(&brotli_CompressorType) < 0) { |
| 732 | RETURN_NULL; |
| 733 | } |
| 734 | Py_INCREF(&brotli_CompressorType); |
| 735 | PyModule_AddObject(m, "Compressor", (PyObject *)&brotli_CompressorType); |
| 736 | |
Janek | 58f5c37 | 2017-06-28 16:32:28 +0200 | [diff] [blame] | 737 | if (PyType_Ready(&brotli_DecompressorType) < 0) { |
| 738 | RETURN_NULL; |
| 739 | } |
| 740 | Py_INCREF(&brotli_DecompressorType); |
| 741 | PyModule_AddObject(m, "Decompressor", (PyObject *)&brotli_DecompressorType); |
| 742 | |
Eugene Kliuchnikov | db3a116 | 2016-06-13 15:22:13 +0200 | [diff] [blame] | 743 | PyModule_AddIntConstant(m, "MODE_GENERIC", (int) BROTLI_MODE_GENERIC); |
| 744 | PyModule_AddIntConstant(m, "MODE_TEXT", (int) BROTLI_MODE_TEXT); |
| 745 | PyModule_AddIntConstant(m, "MODE_FONT", (int) BROTLI_MODE_FONT); |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 746 | |
Eugene Kliuchnikov | 2c2d557 | 2016-08-22 15:44:12 +0200 | [diff] [blame] | 747 | char version[16]; |
| 748 | snprintf(version, sizeof(version), "%d.%d.%d", |
| 749 | BROTLI_VERSION >> 24, (BROTLI_VERSION >> 12) & 0xFFF, BROTLI_VERSION & 0xFFF); |
| 750 | PyModule_AddStringConstant(m, "__version__", version); |
Cosimo Lupo | ac33d35 | 2015-08-11 10:42:22 +0100 | [diff] [blame] | 751 | |
Khaled Hosny | 1130623 | 2014-11-20 14:16:26 +0200 | [diff] [blame] | 752 | RETURN_BROTLI; |
| 753 | } |