Mercurial > hg
annotate contrib/python-zstandard/c-ext/python-zstandard.h @ 31266:8089de5fab89
dispatch: add pagination of two more help cases
I missed these in the last round anf Yuya spotted them in
review. Thanks!
author | Augie Fackler <augie@google.com> |
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date | Wed, 08 Mar 2017 18:32:42 -0500 |
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1 /** |
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2 * Copyright (c) 2016-present, Gregory Szorc |
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3 * All rights reserved. |
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4 * |
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5 * This software may be modified and distributed under the terms |
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6 * of the BSD license. See the LICENSE file for details. |
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7 */ |
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8 |
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9 #define PY_SSIZE_T_CLEAN |
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10 #include <Python.h> |
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11 #include "structmember.h" |
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12 |
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13 #define ZSTD_STATIC_LINKING_ONLY |
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14 #define ZDICT_STATIC_LINKING_ONLY |
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15 #include "mem.h" |
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16 #include "zstd.h" |
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17 #include "zdict.h" |
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18 |
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19 #define PYTHON_ZSTANDARD_VERSION "0.7.0" |
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20 |
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21 typedef enum { |
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22 compressorobj_flush_finish, |
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23 compressorobj_flush_block, |
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24 } CompressorObj_Flush; |
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25 |
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26 typedef struct { |
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27 PyObject_HEAD |
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28 unsigned windowLog; |
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29 unsigned chainLog; |
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30 unsigned hashLog; |
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31 unsigned searchLog; |
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32 unsigned searchLength; |
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33 unsigned targetLength; |
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34 ZSTD_strategy strategy; |
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35 } CompressionParametersObject; |
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36 |
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37 extern PyTypeObject CompressionParametersType; |
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38 |
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39 typedef struct { |
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40 PyObject_HEAD |
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41 unsigned long long frameContentSize; |
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42 unsigned windowSize; |
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43 unsigned dictID; |
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44 char checksumFlag; |
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45 } FrameParametersObject; |
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46 |
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47 extern PyTypeObject FrameParametersType; |
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48 |
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49 typedef struct { |
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50 PyObject_HEAD |
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51 unsigned selectivityLevel; |
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52 int compressionLevel; |
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53 unsigned notificationLevel; |
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54 unsigned dictID; |
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55 } DictParametersObject; |
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56 |
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57 extern PyTypeObject DictParametersType; |
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58 |
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59 typedef struct { |
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60 PyObject_HEAD |
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61 |
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62 void* dictData; |
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63 size_t dictSize; |
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64 } ZstdCompressionDict; |
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65 |
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66 extern PyTypeObject ZstdCompressionDictType; |
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67 |
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68 typedef struct { |
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69 PyObject_HEAD |
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70 |
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71 int compressionLevel; |
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72 ZstdCompressionDict* dict; |
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73 ZSTD_CCtx* cctx; |
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74 ZSTD_CDict* cdict; |
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75 CompressionParametersObject* cparams; |
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76 ZSTD_frameParameters fparams; |
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77 } ZstdCompressor; |
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78 |
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79 extern PyTypeObject ZstdCompressorType; |
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80 |
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81 typedef struct { |
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82 PyObject_HEAD |
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83 |
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84 ZstdCompressor* compressor; |
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85 ZSTD_CStream* cstream; |
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86 ZSTD_outBuffer output; |
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87 int finished; |
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88 } ZstdCompressionObj; |
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89 |
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90 extern PyTypeObject ZstdCompressionObjType; |
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91 |
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92 typedef struct { |
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93 PyObject_HEAD |
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94 |
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95 ZstdCompressor* compressor; |
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96 PyObject* writer; |
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97 Py_ssize_t sourceSize; |
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98 size_t outSize; |
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99 ZSTD_CStream* cstream; |
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100 int entered; |
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101 } ZstdCompressionWriter; |
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102 |
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103 extern PyTypeObject ZstdCompressionWriterType; |
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104 |
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105 typedef struct { |
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106 PyObject_HEAD |
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107 |
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108 ZstdCompressor* compressor; |
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109 PyObject* reader; |
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110 Py_buffer* buffer; |
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111 Py_ssize_t bufferOffset; |
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112 Py_ssize_t sourceSize; |
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113 size_t inSize; |
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114 size_t outSize; |
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115 |
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116 ZSTD_CStream* cstream; |
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117 ZSTD_inBuffer input; |
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118 ZSTD_outBuffer output; |
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119 int finishedOutput; |
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120 int finishedInput; |
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121 PyObject* readResult; |
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122 } ZstdCompressorIterator; |
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123 |
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124 extern PyTypeObject ZstdCompressorIteratorType; |
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125 |
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126 typedef struct { |
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127 PyObject_HEAD |
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128 |
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129 ZSTD_DCtx* dctx; |
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130 |
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131 ZstdCompressionDict* dict; |
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132 ZSTD_DDict* ddict; |
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133 } ZstdDecompressor; |
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134 |
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135 extern PyTypeObject ZstdDecompressorType; |
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136 |
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137 typedef struct { |
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138 PyObject_HEAD |
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139 |
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140 ZstdDecompressor* decompressor; |
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141 ZSTD_DStream* dstream; |
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142 int finished; |
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143 } ZstdDecompressionObj; |
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144 |
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145 extern PyTypeObject ZstdDecompressionObjType; |
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146 |
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147 typedef struct { |
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148 PyObject_HEAD |
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149 |
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150 ZstdDecompressor* decompressor; |
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151 PyObject* writer; |
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152 size_t outSize; |
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153 ZSTD_DStream* dstream; |
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154 int entered; |
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155 } ZstdDecompressionWriter; |
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156 |
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157 extern PyTypeObject ZstdDecompressionWriterType; |
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158 |
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159 typedef struct { |
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160 PyObject_HEAD |
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161 |
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162 ZstdDecompressor* decompressor; |
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163 PyObject* reader; |
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164 Py_buffer* buffer; |
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165 Py_ssize_t bufferOffset; |
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166 size_t inSize; |
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167 size_t outSize; |
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168 size_t skipBytes; |
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169 ZSTD_DStream* dstream; |
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170 ZSTD_inBuffer input; |
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171 ZSTD_outBuffer output; |
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172 Py_ssize_t readCount; |
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173 int finishedInput; |
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174 int finishedOutput; |
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175 } ZstdDecompressorIterator; |
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176 |
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177 extern PyTypeObject ZstdDecompressorIteratorType; |
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178 |
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179 typedef struct { |
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180 int errored; |
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181 PyObject* chunk; |
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182 } DecompressorIteratorResult; |
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183 |
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184 void ztopy_compression_parameters(CompressionParametersObject* params, ZSTD_compressionParameters* zparams); |
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185 CompressionParametersObject* get_compression_parameters(PyObject* self, PyObject* args); |
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186 FrameParametersObject* get_frame_parameters(PyObject* self, PyObject* args); |
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187 PyObject* estimate_compression_context_size(PyObject* self, PyObject* args); |
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188 ZSTD_CStream* CStream_from_ZstdCompressor(ZstdCompressor* compressor, Py_ssize_t sourceSize); |
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189 ZSTD_DStream* DStream_from_ZstdDecompressor(ZstdDecompressor* decompressor); |
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190 ZstdCompressionDict* train_dictionary(PyObject* self, PyObject* args, PyObject* kwargs); |