143 lines
4.5 KiB
C
143 lines
4.5 KiB
C
/*[clinic input]
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preserve
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[clinic start generated code]*/
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PyDoc_STRVAR(_bz2_BZ2Compressor_compress__doc__,
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"compress($self, data, /)\n"
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"--\n"
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"\n"
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"Provide data to the compressor object.\n"
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"\n"
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"Returns a chunk of compressed data if possible, or b\'\' otherwise.\n"
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"\n"
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"When you have finished providing data to the compressor, call the\n"
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"flush() method to finish the compression process.");
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#define _BZ2_BZ2COMPRESSOR_COMPRESS_METHODDEF \
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{"compress", (PyCFunction)_bz2_BZ2Compressor_compress, METH_O, _bz2_BZ2Compressor_compress__doc__},
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static PyObject *
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_bz2_BZ2Compressor_compress_impl(BZ2Compressor *self, Py_buffer *data);
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static PyObject *
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_bz2_BZ2Compressor_compress(BZ2Compressor *self, PyObject *arg)
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{
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PyObject *return_value = NULL;
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Py_buffer data = {NULL, NULL};
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if (PyObject_GetBuffer(arg, &data, PyBUF_SIMPLE) != 0) {
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goto exit;
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}
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if (!PyBuffer_IsContiguous(&data, 'C')) {
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_PyArg_BadArgument("compress", "argument", "contiguous buffer", arg);
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goto exit;
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}
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return_value = _bz2_BZ2Compressor_compress_impl(self, &data);
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exit:
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/* Cleanup for data */
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if (data.obj) {
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PyBuffer_Release(&data);
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}
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return return_value;
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}
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PyDoc_STRVAR(_bz2_BZ2Compressor_flush__doc__,
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"flush($self, /)\n"
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"--\n"
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"\n"
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"Finish the compression process.\n"
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"\n"
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"Returns the compressed data left in internal buffers.\n"
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"\n"
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"The compressor object may not be used after this method is called.");
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#define _BZ2_BZ2COMPRESSOR_FLUSH_METHODDEF \
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{"flush", (PyCFunction)_bz2_BZ2Compressor_flush, METH_NOARGS, _bz2_BZ2Compressor_flush__doc__},
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static PyObject *
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_bz2_BZ2Compressor_flush_impl(BZ2Compressor *self);
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static PyObject *
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_bz2_BZ2Compressor_flush(BZ2Compressor *self, PyObject *Py_UNUSED(ignored))
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{
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return _bz2_BZ2Compressor_flush_impl(self);
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}
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PyDoc_STRVAR(_bz2_BZ2Decompressor_decompress__doc__,
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"decompress($self, /, data, max_length=-1)\n"
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"--\n"
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"\n"
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"Decompress *data*, returning uncompressed data as bytes.\n"
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"\n"
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"If *max_length* is nonnegative, returns at most *max_length* bytes of\n"
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"decompressed data. If this limit is reached and further output can be\n"
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"produced, *self.needs_input* will be set to ``False``. In this case, the next\n"
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"call to *decompress()* may provide *data* as b\'\' to obtain more of the output.\n"
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"\n"
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"If all of the input data was decompressed and returned (either because this\n"
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"was less than *max_length* bytes, or because *max_length* was negative),\n"
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"*self.needs_input* will be set to True.\n"
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"\n"
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"Attempting to decompress data after the end of stream is reached raises an\n"
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"EOFError. Any data found after the end of the stream is ignored and saved in\n"
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"the unused_data attribute.");
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#define _BZ2_BZ2DECOMPRESSOR_DECOMPRESS_METHODDEF \
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{"decompress", (PyCFunction)(void(*)(void))_bz2_BZ2Decompressor_decompress, METH_FASTCALL|METH_KEYWORDS, _bz2_BZ2Decompressor_decompress__doc__},
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static PyObject *
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_bz2_BZ2Decompressor_decompress_impl(BZ2Decompressor *self, Py_buffer *data,
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Py_ssize_t max_length);
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static PyObject *
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_bz2_BZ2Decompressor_decompress(BZ2Decompressor *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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static const char * const _keywords[] = {"data", "max_length", NULL};
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static _PyArg_Parser _parser = {NULL, _keywords, "decompress", 0};
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PyObject *argsbuf[2];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
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Py_buffer data = {NULL, NULL};
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Py_ssize_t max_length = -1;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 2, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (PyObject_GetBuffer(args[0], &data, PyBUF_SIMPLE) != 0) {
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goto exit;
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}
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if (!PyBuffer_IsContiguous(&data, 'C')) {
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_PyArg_BadArgument("decompress", "argument 'data'", "contiguous buffer", args[0]);
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goto exit;
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}
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if (!noptargs) {
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goto skip_optional_pos;
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}
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{
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Py_ssize_t ival = -1;
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PyObject *iobj = _PyNumber_Index(args[1]);
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if (iobj != NULL) {
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ival = PyLong_AsSsize_t(iobj);
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Py_DECREF(iobj);
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}
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if (ival == -1 && PyErr_Occurred()) {
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goto exit;
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}
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max_length = ival;
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}
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skip_optional_pos:
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return_value = _bz2_BZ2Decompressor_decompress_impl(self, &data, max_length);
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exit:
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/* Cleanup for data */
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if (data.obj) {
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PyBuffer_Release(&data);
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}
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return return_value;
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}
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/*[clinic end generated code: output=ed10705d7a9fd598 input=a9049054013a1b77]*/
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