| /*[clinic input] |
| preserve |
| [clinic start generated code]*/ |
| |
| PyDoc_STRVAR(_lzma_LZMACompressor_compress__doc__, |
| "compress($self, data, /)\n" |
| "--\n" |
| "\n" |
| "Provide data to the compressor object.\n" |
| "\n" |
| "Returns a chunk of compressed data if possible, or b\'\' otherwise.\n" |
| "\n" |
| "When you have finished providing data to the compressor, call the\n" |
| "flush() method to finish the compression process."); |
| |
| #define _LZMA_LZMACOMPRESSOR_COMPRESS_METHODDEF \ |
| {"compress", (PyCFunction)_lzma_LZMACompressor_compress, METH_O, _lzma_LZMACompressor_compress__doc__}, |
| |
| static PyObject * |
| _lzma_LZMACompressor_compress_impl(Compressor *self, Py_buffer *data); |
| |
| static PyObject * |
| _lzma_LZMACompressor_compress(Compressor *self, PyObject *arg) |
| { |
| PyObject *return_value = NULL; |
| Py_buffer data = {NULL, NULL}; |
| |
| if (PyObject_GetBuffer(arg, &data, PyBUF_SIMPLE) != 0) { |
| goto exit; |
| } |
| if (!PyBuffer_IsContiguous(&data, 'C')) { |
| _PyArg_BadArgument("compress", "argument", "contiguous buffer", arg); |
| goto exit; |
| } |
| return_value = _lzma_LZMACompressor_compress_impl(self, &data); |
| |
| exit: |
| /* Cleanup for data */ |
| if (data.obj) { |
| PyBuffer_Release(&data); |
| } |
| |
| return return_value; |
| } |
| |
| PyDoc_STRVAR(_lzma_LZMACompressor_flush__doc__, |
| "flush($self, /)\n" |
| "--\n" |
| "\n" |
| "Finish the compression process.\n" |
| "\n" |
| "Returns the compressed data left in internal buffers.\n" |
| "\n" |
| "The compressor object may not be used after this method is called."); |
| |
| #define _LZMA_LZMACOMPRESSOR_FLUSH_METHODDEF \ |
| {"flush", (PyCFunction)_lzma_LZMACompressor_flush, METH_NOARGS, _lzma_LZMACompressor_flush__doc__}, |
| |
| static PyObject * |
| _lzma_LZMACompressor_flush_impl(Compressor *self); |
| |
| static PyObject * |
| _lzma_LZMACompressor_flush(Compressor *self, PyObject *Py_UNUSED(ignored)) |
| { |
| return _lzma_LZMACompressor_flush_impl(self); |
| } |
| |
| PyDoc_STRVAR(_lzma_LZMADecompressor_decompress__doc__, |
| "decompress($self, /, data, max_length=-1)\n" |
| "--\n" |
| "\n" |
| "Decompress *data*, returning uncompressed data as bytes.\n" |
| "\n" |
| "If *max_length* is nonnegative, returns at most *max_length* bytes of\n" |
| "decompressed data. If this limit is reached and further output can be\n" |
| "produced, *self.needs_input* will be set to ``False``. In this case, the next\n" |
| "call to *decompress()* may provide *data* as b\'\' to obtain more of the output.\n" |
| "\n" |
| "If all of the input data was decompressed and returned (either because this\n" |
| "was less than *max_length* bytes, or because *max_length* was negative),\n" |
| "*self.needs_input* will be set to True.\n" |
| "\n" |
| "Attempting to decompress data after the end of stream is reached raises an\n" |
| "EOFError. Any data found after the end of the stream is ignored and saved in\n" |
| "the unused_data attribute."); |
| |
| #define _LZMA_LZMADECOMPRESSOR_DECOMPRESS_METHODDEF \ |
| {"decompress", (PyCFunction)(void(*)(void))_lzma_LZMADecompressor_decompress, METH_FASTCALL|METH_KEYWORDS, _lzma_LZMADecompressor_decompress__doc__}, |
| |
| static PyObject * |
| _lzma_LZMADecompressor_decompress_impl(Decompressor *self, Py_buffer *data, |
| Py_ssize_t max_length); |
| |
| static PyObject * |
| _lzma_LZMADecompressor_decompress(Decompressor *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames) |
| { |
| PyObject *return_value = NULL; |
| static const char * const _keywords[] = {"data", "max_length", NULL}; |
| static _PyArg_Parser _parser = {NULL, _keywords, "decompress", 0}; |
| PyObject *argsbuf[2]; |
| Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1; |
| Py_buffer data = {NULL, NULL}; |
| Py_ssize_t max_length = -1; |
| |
| args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 2, 0, argsbuf); |
| if (!args) { |
| goto exit; |
| } |
| if (PyObject_GetBuffer(args[0], &data, PyBUF_SIMPLE) != 0) { |
| goto exit; |
| } |
| if (!PyBuffer_IsContiguous(&data, 'C')) { |
| _PyArg_BadArgument("decompress", "argument 'data'", "contiguous buffer", args[0]); |
| goto exit; |
| } |
| if (!noptargs) { |
| goto skip_optional_pos; |
| } |
| { |
| Py_ssize_t ival = -1; |
| PyObject *iobj = _PyNumber_Index(args[1]); |
| if (iobj != NULL) { |
| ival = PyLong_AsSsize_t(iobj); |
| Py_DECREF(iobj); |
| } |
| if (ival == -1 && PyErr_Occurred()) { |
| goto exit; |
| } |
| max_length = ival; |
| } |
| skip_optional_pos: |
| return_value = _lzma_LZMADecompressor_decompress_impl(self, &data, max_length); |
| |
| exit: |
| /* Cleanup for data */ |
| if (data.obj) { |
| PyBuffer_Release(&data); |
| } |
| |
| return return_value; |
| } |
| |
| PyDoc_STRVAR(_lzma_LZMADecompressor___init____doc__, |
| "LZMADecompressor(format=FORMAT_AUTO, memlimit=None, filters=None)\n" |
| "--\n" |
| "\n" |
| "Create a decompressor object for decompressing data incrementally.\n" |
| "\n" |
| " format\n" |
| " Specifies the container format of the input stream. If this is\n" |
| " FORMAT_AUTO (the default), the decompressor will automatically detect\n" |
| " whether the input is FORMAT_XZ or FORMAT_ALONE. Streams created with\n" |
| " FORMAT_RAW cannot be autodetected.\n" |
| " memlimit\n" |
| " Limit the amount of memory used by the decompressor. This will cause\n" |
| " decompression to fail if the input cannot be decompressed within the\n" |
| " given limit.\n" |
| " filters\n" |
| " A custom filter chain. This argument is required for FORMAT_RAW, and\n" |
| " not accepted with any other format. When provided, this should be a\n" |
| " sequence of dicts, each indicating the ID and options for a single\n" |
| " filter.\n" |
| "\n" |
| "For one-shot decompression, use the decompress() function instead."); |
| |
| static int |
| _lzma_LZMADecompressor___init___impl(Decompressor *self, int format, |
| PyObject *memlimit, PyObject *filters); |
| |
| static int |
| _lzma_LZMADecompressor___init__(PyObject *self, PyObject *args, PyObject *kwargs) |
| { |
| int return_value = -1; |
| static const char * const _keywords[] = {"format", "memlimit", "filters", NULL}; |
| static _PyArg_Parser _parser = {NULL, _keywords, "LZMADecompressor", 0}; |
| PyObject *argsbuf[3]; |
| PyObject * const *fastargs; |
| Py_ssize_t nargs = PyTuple_GET_SIZE(args); |
| Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0; |
| int format = FORMAT_AUTO; |
| PyObject *memlimit = Py_None; |
| PyObject *filters = Py_None; |
| |
| fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 3, 0, argsbuf); |
| if (!fastargs) { |
| goto exit; |
| } |
| if (!noptargs) { |
| goto skip_optional_pos; |
| } |
| if (fastargs[0]) { |
| format = _PyLong_AsInt(fastargs[0]); |
| if (format == -1 && PyErr_Occurred()) { |
| goto exit; |
| } |
| if (!--noptargs) { |
| goto skip_optional_pos; |
| } |
| } |
| if (fastargs[1]) { |
| memlimit = fastargs[1]; |
| if (!--noptargs) { |
| goto skip_optional_pos; |
| } |
| } |
| filters = fastargs[2]; |
| skip_optional_pos: |
| return_value = _lzma_LZMADecompressor___init___impl((Decompressor *)self, format, memlimit, filters); |
| |
| exit: |
| return return_value; |
| } |
| |
| PyDoc_STRVAR(_lzma_is_check_supported__doc__, |
| "is_check_supported($module, check_id, /)\n" |
| "--\n" |
| "\n" |
| "Test whether the given integrity check is supported.\n" |
| "\n" |
| "Always returns True for CHECK_NONE and CHECK_CRC32."); |
| |
| #define _LZMA_IS_CHECK_SUPPORTED_METHODDEF \ |
| {"is_check_supported", (PyCFunction)_lzma_is_check_supported, METH_O, _lzma_is_check_supported__doc__}, |
| |
| static PyObject * |
| _lzma_is_check_supported_impl(PyObject *module, int check_id); |
| |
| static PyObject * |
| _lzma_is_check_supported(PyObject *module, PyObject *arg) |
| { |
| PyObject *return_value = NULL; |
| int check_id; |
| |
| check_id = _PyLong_AsInt(arg); |
| if (check_id == -1 && PyErr_Occurred()) { |
| goto exit; |
| } |
| return_value = _lzma_is_check_supported_impl(module, check_id); |
| |
| exit: |
| return return_value; |
| } |
| |
| PyDoc_STRVAR(_lzma__decode_filter_properties__doc__, |
| "_decode_filter_properties($module, filter_id, encoded_props, /)\n" |
| "--\n" |
| "\n" |
| "Return a bytes object encoding the options (properties) of the filter specified by *filter* (a dict).\n" |
| "\n" |
| "The result does not include the filter ID itself, only the options."); |
| |
| #define _LZMA__DECODE_FILTER_PROPERTIES_METHODDEF \ |
| {"_decode_filter_properties", (PyCFunction)(void(*)(void))_lzma__decode_filter_properties, METH_FASTCALL, _lzma__decode_filter_properties__doc__}, |
| |
| static PyObject * |
| _lzma__decode_filter_properties_impl(PyObject *module, lzma_vli filter_id, |
| Py_buffer *encoded_props); |
| |
| static PyObject * |
| _lzma__decode_filter_properties(PyObject *module, PyObject *const *args, Py_ssize_t nargs) |
| { |
| PyObject *return_value = NULL; |
| lzma_vli filter_id; |
| Py_buffer encoded_props = {NULL, NULL}; |
| |
| if (!_PyArg_CheckPositional("_decode_filter_properties", nargs, 2, 2)) { |
| goto exit; |
| } |
| if (!lzma_vli_converter(args[0], &filter_id)) { |
| goto exit; |
| } |
| if (PyObject_GetBuffer(args[1], &encoded_props, PyBUF_SIMPLE) != 0) { |
| goto exit; |
| } |
| if (!PyBuffer_IsContiguous(&encoded_props, 'C')) { |
| _PyArg_BadArgument("_decode_filter_properties", "argument 2", "contiguous buffer", args[1]); |
| goto exit; |
| } |
| return_value = _lzma__decode_filter_properties_impl(module, filter_id, &encoded_props); |
| |
| exit: |
| /* Cleanup for encoded_props */ |
| if (encoded_props.obj) { |
| PyBuffer_Release(&encoded_props); |
| } |
| |
| return return_value; |
| } |
| /*[clinic end generated code: output=867b9e334053b679 input=a9049054013a1b77]*/ |