Mercurial > cpython-lru_cache-weakref
annotate Modules/cStringIO.c @ 14914:79cdeeeefafa legacy-trunk
Removed the implib_dir instance variable because it is unused.
Removed get_ext_libname() because it is unused.
Fixed get_libraries() to append an '_d' to the python debug
import library. If MSVC is used, do not add 'pythonxx.lib' to
the list of libraries, because this is handled better
by a pragma in config.h.
This should fix bug #115595, but it needs some more testing.
| author | Thomas Heller <theller@ctypes.org> |
|---|---|
| date | Thu, 28 Sep 2000 19:28:35 +0000 |
| parents | 08823099ae62 |
| children | acb88607b4bd |
| rev | line source |
|---|---|
| 4598 | 1 /* |
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2 * cStringIO.c,v 1.29 1999/06/15 14:10:27 jim Exp |
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3 * |
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4 * Copyright (c) 1996-1998, Digital Creations, Fredericksburg, VA, USA. |
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5 * All rights reserved. |
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6 * |
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7 * Redistribution and use in source and binary forms, with or without |
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8 * modification, are permitted provided that the following conditions are |
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9 * met: |
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10 * |
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11 * o Redistributions of source code must retain the above copyright |
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12 * notice, this list of conditions, and the disclaimer that follows. |
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13 * |
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14 * o Redistributions in binary form must reproduce the above copyright |
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15 * notice, this list of conditions, and the following disclaimer in |
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16 * the documentation and/or other materials provided with the |
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17 * distribution. |
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18 * |
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19 * o All advertising materials mentioning features or use of this |
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20 * software must display the following acknowledgement: |
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21 * |
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22 * This product includes software developed by Digital Creations |
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23 * and its contributors. |
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24 * |
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25 * o Neither the name of Digital Creations nor the names of its |
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26 * contributors may be used to endorse or promote products derived |
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27 * from this software without specific prior written permission. |
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28 * |
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29 * |
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30 * THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS AND CONTRIBUTORS *AS |
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31 * IS* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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32 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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33 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL |
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34 * CREATIONS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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35 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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36 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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37 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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38 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
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39 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
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40 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
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41 * DAMAGE. |
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42 * |
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43 # |
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44 # If you have questions regarding this software, contact: |
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45 # |
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46 # Digital Creations, L.C. |
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47 # 910 Princess Ann Street |
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48 # Fredericksburge, Virginia 22401 |
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49 # |
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50 # info@digicool.com |
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51 # |
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52 # (540) 371-6909 |
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53 */ |
| 4598 | 54 static char cStringIO_module_documentation[] = |
| 55 "A simple fast partial StringIO replacement.\n" | |
| 56 "\n" | |
| 57 "This module provides a simple useful replacement for\n" | |
| 58 "the StringIO module that is written in C. It does not provide the\n" | |
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59 "full generality of StringIO, but it provides enough for most\n" |
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60 "applications and is especially useful in conjunction with the\n" |
| 4598 | 61 "pickle module.\n" |
| 62 "\n" | |
| 63 "Usage:\n" | |
| 64 "\n" | |
| 65 " from cStringIO import StringIO\n" | |
| 66 "\n" | |
| 67 " an_output_stream=StringIO()\n" | |
| 68 " an_output_stream.write(some_stuff)\n" | |
| 69 " ...\n" | |
| 70 " value=an_output_stream.getvalue() # str(an_output_stream) works too!\n" | |
| 71 "\n" | |
| 72 " an_input_stream=StringIO(a_string)\n" | |
| 73 " spam=an_input_stream.readline()\n" | |
| 74 " spam=an_input_stream.read(5)\n" | |
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75 " an_input_stream.seek(0) # OK, start over\n" |
| 4598 | 76 " spam=an_input_stream.read() # and read it all\n" |
| 77 " \n" | |
| 78 "If someone else wants to provide a more complete implementation,\n" | |
| 79 "go for it. :-) \n" | |
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80 "\n" |
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81 "cStringIO.c,v 1.29 1999/06/15 14:10:27 jim Exp\n" |
| 4598 | 82 ; |
| 83 | |
| 84 #include "Python.h" | |
| 85 #include "import.h" | |
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86 #include "cStringIO.h" |
| 4598 | 87 |
| 88 #define UNLESS(E) if(!(E)) | |
| 89 | |
| 90 /* Declarations for objects of type StringO */ | |
| 91 | |
| 92 typedef struct { | |
| 93 PyObject_HEAD | |
| 94 char *buf; | |
| 9642 | 95 int pos, string_size, buf_size, softspace; |
| 4598 | 96 } Oobject; |
| 97 | |
| 98 /* Declarations for objects of type StringI */ | |
| 99 | |
| 100 typedef struct { | |
| 101 PyObject_HEAD | |
| 102 char *buf; | |
| 9642 | 103 int pos, string_size; |
| 4598 | 104 PyObject *pbuf; |
| 105 } Iobject; | |
| 106 | |
| 107 static char O_reset__doc__[] = | |
| 108 "reset() -- Reset the file position to the beginning" | |
| 109 ; | |
| 110 | |
| 111 static PyObject * | |
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112 O_reset(Oobject *self, PyObject *args) { |
| 4598 | 113 self->pos = 0; |
| 114 | |
| 115 Py_INCREF(Py_None); | |
| 116 return Py_None; | |
| 117 } | |
| 118 | |
| 119 | |
| 120 static char O_tell__doc__[] = | |
| 121 "tell() -- get the current position."; | |
| 122 | |
| 123 static PyObject * | |
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124 O_tell(Oobject *self, PyObject *args) { |
| 4598 | 125 return PyInt_FromLong(self->pos); |
| 126 } | |
| 127 | |
| 128 | |
| 129 static char O_seek__doc__[] = | |
| 130 "seek(position) -- set the current position\n" | |
| 131 "seek(position, mode) -- mode 0: absolute; 1: relative; 2: relative to EOF"; | |
| 132 | |
| 133 static PyObject * | |
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134 O_seek(Oobject *self, PyObject *args) { |
| 4598 | 135 int position, mode = 0; |
| 136 | |
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137 UNLESS(PyArg_ParseTuple(args, "i|i:seek", &position, &mode)) { |
| 4598 | 138 return NULL; |
| 139 } | |
| 140 | |
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141 if (mode == 2) { |
| 4598 | 142 position += self->string_size; |
| 143 } | |
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144 else if (mode == 1) { |
| 4598 | 145 position += self->pos; |
| 146 } | |
| 147 | |
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148 if (position > self->buf_size) { |
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149 self->buf_size*=2; |
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150 if(self->buf_size <= position) self->buf_size=position+1; |
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151 UNLESS(self->buf=(char*)realloc(self->buf,self->buf_size*sizeof(char))) { |
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152 self->buf_size=self->pos=0; |
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153 return PyErr_NoMemory(); |
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154 } |
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155 } |
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156 else if(position < 0) position=0; |
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157 |
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158 self->pos=position; |
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159 |
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160 while(--position >= self->string_size) self->buf[position]=0; |
| 4598 | 161 |
| 4906 | 162 Py_INCREF(Py_None); |
| 163 return Py_None; | |
| 4598 | 164 } |
| 165 | |
| 166 static char O_read__doc__[] = | |
| 167 "read([s]) -- Read s characters, or the rest of the string" | |
| 168 ; | |
| 169 | |
| 170 static int | |
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171 O_cread(PyObject *self, char **output, int n) { |
| 4598 | 172 int l; |
| 173 | |
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174 l = ((Oobject*)self)->string_size - ((Oobject*)self)->pos; |
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175 if (n < 0 || n > l) { |
| 4598 | 176 n = l; |
| 9642 | 177 if (n < 0) n=0; |
| 4598 | 178 } |
| 179 | |
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180 *output=((Oobject*)self)->buf + ((Oobject*)self)->pos; |
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181 ((Oobject*)self)->pos += n; |
| 4598 | 182 return n; |
| 183 } | |
| 184 | |
| 185 static PyObject * | |
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186 O_read(Oobject *self, PyObject *args) { |
| 4598 | 187 int n = -1; |
| 188 char *output; | |
| 189 | |
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190 UNLESS(PyArg_ParseTuple(args, "|i:read", &n)) return NULL; |
| 4598 | 191 |
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192 n=O_cread((PyObject*)self,&output,n); |
| 4598 | 193 |
| 194 return PyString_FromStringAndSize(output, n); | |
| 195 } | |
| 196 | |
| 197 | |
| 198 static char O_readline__doc__[] = | |
| 199 "readline() -- Read one line" | |
| 200 ; | |
| 201 | |
| 202 static int | |
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203 O_creadline(PyObject *self, char **output) { |
| 4598 | 204 char *n, *s; |
| 205 int l; | |
| 206 | |
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207 for (n = ((Oobject*)self)->buf + ((Oobject*)self)->pos, |
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208 s = ((Oobject*)self)->buf + ((Oobject*)self)->string_size; |
| 4598 | 209 n < s && *n != '\n'; n++); |
| 210 if (n < s) n++; | |
| 211 | |
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212 *output=((Oobject*)self)->buf + ((Oobject*)self)->pos; |
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213 l = n - ((Oobject*)self)->buf - ((Oobject*)self)->pos; |
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214 ((Oobject*)self)->pos += l; |
| 4598 | 215 return l; |
| 216 } | |
| 217 | |
| 218 static PyObject * | |
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219 O_readline(Oobject *self, PyObject *args) { |
| 4598 | 220 int n; |
| 221 char *output; | |
| 222 | |
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223 n=O_creadline((PyObject*)self,&output); |
| 4598 | 224 return PyString_FromStringAndSize(output, n); |
| 225 } | |
| 226 | |
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227 static char O_readlines__doc__[] = |
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228 "readlines() -- Read all lines" |
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229 ; |
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230 |
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231 static PyObject * |
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232 O_readlines(Oobject *self, PyObject *args) { |
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233 int n; |
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234 char *output; |
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235 PyObject *result, *line; |
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236 int hint = 0, length = 0; |
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237 |
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238 UNLESS(PyArg_ParseTuple(args, "|i:write", &hint)) return NULL; |
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239 result = PyList_New(0); |
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240 if (!result) |
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241 return NULL; |
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242 |
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243 while(1){ |
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244 n = O_creadline((PyObject*)self,&output); |
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245 if (n == 0) |
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246 break; |
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247 line = PyString_FromStringAndSize (output, n); |
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248 if (!line){ |
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249 Py_DECREF (result); |
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250 return NULL; |
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251 } |
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252 PyList_Append (result, line); |
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253 Py_DECREF (line); |
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254 length += n; |
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255 if (hint > 0 && length >= hint) |
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256 break; |
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257 } |
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258 return result; |
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259 } |
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260 |
| 4598 | 261 static char O_write__doc__[] = |
| 262 "write(s) -- Write a string to the file" | |
| 263 "\n\nNote (hack:) writing None resets the buffer" | |
| 264 ; | |
| 265 | |
| 266 | |
| 267 static int | |
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268 O_cwrite(PyObject *self, char *c, int l) { |
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269 int newl; |
| 4906 | 270 |
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271 newl=((Oobject*)self)->pos+l; |
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272 if(newl >= ((Oobject*)self)->buf_size) { |
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273 ((Oobject*)self)->buf_size*=2; |
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274 if(((Oobject*)self)->buf_size <= newl) ((Oobject*)self)->buf_size=newl+1; |
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275 UNLESS(((Oobject*)self)->buf= |
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276 (char*)realloc(((Oobject*)self)->buf, |
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277 (((Oobject*)self)->buf_size) *sizeof(char))) { |
| 4598 | 278 PyErr_SetString(PyExc_MemoryError,"out of memory"); |
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279 ((Oobject*)self)->buf_size=((Oobject*)self)->pos=0; |
| 4598 | 280 return -1; |
| 281 } | |
| 282 } | |
| 283 | |
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284 memcpy(((Oobject*)((Oobject*)self))->buf+((Oobject*)self)->pos,c,l); |
| 4598 | 285 |
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286 ((Oobject*)self)->pos += l; |
| 4598 | 287 |
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288 if (((Oobject*)self)->string_size < ((Oobject*)self)->pos) { |
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289 ((Oobject*)self)->string_size = ((Oobject*)self)->pos; |
| 4598 | 290 } |
| 291 | |
| 292 return l; | |
| 293 } | |
| 294 | |
| 295 static PyObject * | |
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296 O_write(Oobject *self, PyObject *args) { |
| 4598 | 297 PyObject *s; |
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298 char *c; |
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299 int l; |
| 4598 | 300 |
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301 UNLESS(PyArg_ParseTuple(args, "O:write", &s)) return NULL; |
| 4906 | 302 UNLESS(-1 != (l=PyString_Size(s))) return NULL; |
| 303 UNLESS(c=PyString_AsString(s)) return NULL; | |
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304 UNLESS(-1 != O_cwrite((PyObject*)self,c,l)) return NULL; |
| 4598 | 305 |
| 4906 | 306 Py_INCREF(Py_None); |
| 307 return Py_None; | |
| 4598 | 308 } |
| 309 | |
| 9642 | 310 static char O_getval__doc__[] = |
| 311 "getvalue([use_pos]) -- Get the string value." | |
| 312 "\n" | |
| 313 "If use_pos is specified and is a true value, then the string returned\n" | |
| 314 "will include only the text up to the current file position.\n" | |
| 315 ; | |
| 316 | |
| 4598 | 317 static PyObject * |
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318 O_getval(Oobject *self, PyObject *args) { |
| 9642 | 319 PyObject *use_pos=Py_None; |
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320 int s; |
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321 |
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322 use_pos=Py_None; |
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323 UNLESS(PyArg_ParseTuple(args,"|O:getval",&use_pos)) return NULL; |
| 9642 | 324 if(PyObject_IsTrue(use_pos)) { |
| 325 s=self->pos; | |
| 326 if (s > self->string_size) s=self->string_size; | |
| 327 } | |
| 328 else | |
| 329 s=self->string_size; | |
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330 return PyString_FromStringAndSize(self->buf, s); |
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331 } |
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332 |
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333 static PyObject * |
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334 O_cgetval(PyObject *self) { |
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335 return PyString_FromStringAndSize(((Oobject*)self)->buf, |
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336 ((Oobject*)self)->pos); |
| 4598 | 337 } |
| 338 | |
| 339 static char O_truncate__doc__[] = | |
| 340 "truncate(): truncate the file at the current position."; | |
| 341 | |
| 342 static PyObject * | |
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343 O_truncate(Oobject *self, PyObject *args) { |
| 9642 | 344 if (self->string_size > self->pos) |
| 345 self->string_size = self->pos; | |
| 4598 | 346 Py_INCREF(Py_None); |
| 347 return Py_None; | |
| 348 } | |
| 349 | |
| 350 static char O_isatty__doc__[] = "isatty(): always returns 0"; | |
| 351 | |
| 352 static PyObject * | |
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353 O_isatty(Oobject *self, PyObject *args) { |
| 4598 | 354 return PyInt_FromLong(0); |
| 355 } | |
| 356 | |
| 357 static char O_close__doc__[] = "close(): explicitly release resources held."; | |
| 358 | |
| 359 static PyObject * | |
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360 O_close(Oobject *self, PyObject *args) { |
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361 if (self->buf != NULL) |
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362 free(self->buf); |
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363 self->buf = NULL; |
| 4598 | 364 |
| 365 self->pos = self->string_size = self->buf_size = 0; | |
| 366 | |
| 367 Py_INCREF(Py_None); | |
| 368 return Py_None; | |
| 369 } | |
| 370 | |
| 371 static char O_flush__doc__[] = "flush(): does nothing."; | |
| 372 | |
| 373 static PyObject * | |
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374 O_flush(Oobject *self, PyObject *args) { |
| 4598 | 375 Py_INCREF(Py_None); |
| 376 return Py_None; | |
| 377 } | |
| 378 | |
| 379 | |
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380 static char O_writelines__doc__[] = |
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381 "writelines(sequence_of_strings): write each string"; |
| 4598 | 382 static PyObject * |
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383 O_writelines(Oobject *self, PyObject *args) { |
| 4598 | 384 PyObject *string_module = 0; |
| 385 static PyObject *string_joinfields = 0; | |
| 386 | |
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387 UNLESS(PyArg_ParseTuple(args, "O:writelines", &args)) { |
| 4598 | 388 return NULL; |
| 389 } | |
| 390 | |
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391 if (!string_joinfields) { |
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392 UNLESS(string_module = PyImport_ImportModule("string")) { |
| 4598 | 393 return NULL; |
| 394 } | |
| 395 | |
| 396 UNLESS(string_joinfields= | |
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397 PyObject_GetAttrString(string_module, "joinfields")) { |
| 4598 | 398 return NULL; |
| 399 } | |
| 400 | |
| 401 Py_DECREF(string_module); | |
| 402 } | |
| 403 | |
|
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404 if (PyObject_Size(args) == -1) { |
| 4598 | 405 return NULL; |
| 406 } | |
| 407 | |
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408 { |
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409 PyObject *x = PyObject_CallFunction(string_joinfields, |
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410 "Os", args, ""); |
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411 if (x == NULL) |
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412 return NULL; |
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413 args = Py_BuildValue("(O)", x); |
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The writelines() function was never tested and contained numerous bugs
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414 Py_DECREF(x); |
|
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The writelines() function was never tested and contained numerous bugs
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415 if (args == NULL) |
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The writelines() function was never tested and contained numerous bugs
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416 return NULL; |
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The writelines() function was never tested and contained numerous bugs
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417 x = O_write(self, args); |
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The writelines() function was never tested and contained numerous bugs
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|
418 Py_DECREF(args); |
|
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The writelines() function was never tested and contained numerous bugs
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|
419 return x; |
|
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|
420 } |
| 4598 | 421 } |
| 422 | |
| 423 static struct PyMethodDef O_methods[] = { | |
| 9642 | 424 {"write", (PyCFunction)O_write, METH_VARARGS, O_write__doc__}, |
| 425 {"read", (PyCFunction)O_read, METH_VARARGS, O_read__doc__}, | |
| 426 {"readline", (PyCFunction)O_readline, METH_VARARGS, O_readline__doc__}, | |
|
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Implement readlines function. Closes Bug #110686.
Martin v. Löwis <martin@v.loewis.de>
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|
427 {"readlines", (PyCFunction)O_readlines, METH_VARARGS, O_readlines__doc__}, |
| 9642 | 428 {"reset", (PyCFunction)O_reset, METH_VARARGS, O_reset__doc__}, |
| 429 {"seek", (PyCFunction)O_seek, METH_VARARGS, O_seek__doc__}, | |
| 430 {"tell", (PyCFunction)O_tell, METH_VARARGS, O_tell__doc__}, | |
| 431 {"getvalue", (PyCFunction)O_getval, METH_VARARGS, O_getval__doc__}, | |
| 432 {"truncate", (PyCFunction)O_truncate, METH_VARARGS, O_truncate__doc__}, | |
| 433 {"isatty", (PyCFunction)O_isatty, METH_VARARGS, O_isatty__doc__}, | |
| 434 {"close", (PyCFunction)O_close, METH_VARARGS, O_close__doc__}, | |
| 435 {"flush", (PyCFunction)O_flush, METH_VARARGS, O_flush__doc__}, | |
| 436 {"writelines", (PyCFunction)O_writelines, METH_VARARGS, O_writelines__doc__}, | |
| 437 {NULL, NULL} /* sentinel */ | |
| 4598 | 438 }; |
| 439 | |
| 440 | |
| 441 static void | |
|
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|
442 O_dealloc(Oobject *self) { |
|
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443 if (self->buf != NULL) |
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444 free(self->buf); |
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445 PyObject_Del(self); |
| 4598 | 446 } |
| 447 | |
| 448 static PyObject * | |
|
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449 O_getattr(Oobject *self, char *name) { |
|
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450 if (strcmp(name, "softspace") == 0) { |
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451 return PyInt_FromLong(self->softspace); |
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452 } |
| 4598 | 453 return Py_FindMethod(O_methods, (PyObject *)self, name); |
| 454 } | |
| 455 | |
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456 static int |
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457 O_setattr(Oobject *self, char *name, PyObject *value) { |
|
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458 long x; |
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459 if (strcmp(name, "softspace") != 0) { |
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460 PyErr_SetString(PyExc_AttributeError, name); |
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461 return -1; |
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462 } |
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463 x = PyInt_AsLong(value); |
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464 if (x == -1 && PyErr_Occurred()) |
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465 return -1; |
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466 self->softspace = x; |
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467 return 0; |
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468 } |
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469 |
| 4598 | 470 static char Otype__doc__[] = |
| 471 "Simple type for output to strings." | |
| 472 ; | |
| 473 | |
| 474 static PyTypeObject Otype = { | |
|
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475 PyObject_HEAD_INIT(NULL) |
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476 0, /*ob_size*/ |
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477 "StringO", /*tp_name*/ |
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478 sizeof(Oobject), /*tp_basicsize*/ |
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479 0, /*tp_itemsize*/ |
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480 /* methods */ |
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481 (destructor)O_dealloc, /*tp_dealloc*/ |
|
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482 (printfunc)0, /*tp_print*/ |
|
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483 (getattrfunc)O_getattr, /*tp_getattr*/ |
|
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484 (setattrfunc)O_setattr, /*tp_setattr*/ |
|
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Unknown changes by Jim Fulton.
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485 (cmpfunc)0, /*tp_compare*/ |
|
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486 (reprfunc)0, /*tp_repr*/ |
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487 0, /*tp_as_number*/ |
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488 0, /*tp_as_sequence*/ |
|
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489 0, /*tp_as_mapping*/ |
|
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490 (hashfunc)0, /*tp_hash*/ |
|
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491 (ternaryfunc)0, /*tp_call*/ |
|
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492 (reprfunc)0, /*tp_str*/ |
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493 |
|
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494 /* Space for future expansion */ |
|
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495 0L,0L,0L,0L, |
|
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496 Otype__doc__ /* Documentation string */ |
| 4598 | 497 }; |
| 498 | |
|
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499 static PyObject * |
|
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500 newOobject(int size) { |
|
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501 Oobject *self; |
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502 |
|
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Vladimir Marangozov's long-awaited malloc restructuring.
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503 self = PyObject_New(Oobject, &Otype); |
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504 if (self == NULL) |
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505 return NULL; |
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|
506 self->pos=0; |
|
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507 self->string_size = 0; |
|
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|
508 self->softspace = 0; |
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|
509 |
|
6740
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New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
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510 UNLESS(self->buf=malloc(size*sizeof(char))) { |
|
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|
511 PyErr_SetString(PyExc_MemoryError,"out of memory"); |
|
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512 self->buf_size = 0; |
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513 return NULL; |
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514 } |
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515 |
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|
516 self->buf_size=size; |
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517 return (PyObject*)self; |
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518 } |
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519 |
| 4598 | 520 /* End of code for StringO objects */ |
| 521 /* -------------------------------------------------------- */ | |
| 522 | |
| 523 static PyObject * | |
|
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|
524 I_close(Iobject *self, PyObject *args) { |
|
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Fix the bug Jeremy was experiencing: both the close() and the
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|
525 Py_XDECREF(self->pbuf); |
|
eb7a01b86f93
Fix the bug Jeremy was experiencing: both the close() and the
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|
526 self->pbuf = NULL; |
| 4598 | 527 |
| 528 self->pos = self->string_size = 0; | |
| 9642 | 529 |
| 530 Py_INCREF(Py_None); | |
| 531 return Py_None; | |
| 532 } | |
| 533 | |
| 534 static PyObject * | |
| 535 I_seek(Oobject *self, PyObject *args) { | |
| 536 int position, mode = 0; | |
| 537 | |
|
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dc65c5f6ad7c
Massive patch by Skip Montanaro to add ":name" to as many
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parents:
10985
diff
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|
538 UNLESS(PyArg_ParseTuple(args, "i|i:seek", &position, &mode)) { |
| 9642 | 539 return NULL; |
| 540 } | |
| 541 | |
| 542 if (mode == 2) { | |
| 543 position += self->string_size; | |
| 544 } | |
| 545 else if (mode == 1) { | |
| 546 position += self->pos; | |
| 547 } | |
| 548 | |
| 549 if(position < 0) position=0; | |
| 550 | |
| 551 self->pos=position; | |
| 4598 | 552 |
| 553 Py_INCREF(Py_None); | |
| 554 return Py_None; | |
| 555 } | |
| 556 | |
| 557 static struct PyMethodDef I_methods[] = { | |
| 9642 | 558 {"read", (PyCFunction)O_read, METH_VARARGS, O_read__doc__}, |
| 559 {"readline", (PyCFunction)O_readline, METH_VARARGS, O_readline__doc__}, | |
|
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diff
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|
560 {"readlines", (PyCFunction)O_readlines,METH_VARARGS, O_readlines__doc__}, |
| 9642 | 561 {"reset", (PyCFunction)O_reset, METH_VARARGS, O_reset__doc__}, |
| 562 {"seek", (PyCFunction)I_seek, METH_VARARGS, O_seek__doc__}, | |
| 563 {"tell", (PyCFunction)O_tell, METH_VARARGS, O_tell__doc__}, | |
| 564 {"getvalue", (PyCFunction)O_getval, METH_VARARGS, O_getval__doc__}, | |
| 565 {"truncate", (PyCFunction)O_truncate, METH_VARARGS, O_truncate__doc__}, | |
| 566 {"isatty", (PyCFunction)O_isatty, METH_VARARGS, O_isatty__doc__}, | |
| 567 {"close", (PyCFunction)I_close, METH_VARARGS, O_close__doc__}, | |
| 568 {"flush", (PyCFunction)O_flush, METH_VARARGS, O_flush__doc__}, | |
| 569 {NULL, NULL} | |
| 4598 | 570 }; |
| 571 | |
| 572 static void | |
|
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|
573 I_dealloc(Iobject *self) { |
|
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|
574 Py_XDECREF(self->pbuf); |
|
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Vladimir Marangozov's long-awaited malloc restructuring.
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|
575 PyObject_Del(self); |
| 4598 | 576 } |
| 577 | |
| 578 static PyObject * | |
|
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|
579 I_getattr(Iobject *self, char *name) { |
| 4598 | 580 return Py_FindMethod(I_methods, (PyObject *)self, name); |
| 581 } | |
| 582 | |
| 583 static char Itype__doc__[] = | |
| 584 "Simple type for treating strings as input file streams" | |
| 585 ; | |
| 586 | |
| 587 static PyTypeObject Itype = { | |
|
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|
588 PyObject_HEAD_INIT(NULL) |
|
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|
589 0, /*ob_size*/ |
|
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|
590 "StringI", /*tp_name*/ |
|
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|
591 sizeof(Iobject), /*tp_basicsize*/ |
|
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|
592 0, /*tp_itemsize*/ |
|
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|
593 /* methods */ |
|
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|
594 (destructor)I_dealloc, /*tp_dealloc*/ |
|
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|
595 (printfunc)0, /*tp_print*/ |
|
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|
596 (getattrfunc)I_getattr, /*tp_getattr*/ |
|
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|
597 (setattrfunc)0, /*tp_setattr*/ |
|
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598 (cmpfunc)0, /*tp_compare*/ |
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599 (reprfunc)0, /*tp_repr*/ |
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600 0, /*tp_as_number*/ |
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601 0, /*tp_as_sequence*/ |
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602 0, /*tp_as_mapping*/ |
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603 (hashfunc)0, /*tp_hash*/ |
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604 (ternaryfunc)0, /*tp_call*/ |
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605 (reprfunc)0, /*tp_str*/ |
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606 |
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607 /* Space for future expansion */ |
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608 0L,0L,0L,0L, |
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609 Itype__doc__ /* Documentation string */ |
| 4598 | 610 }; |
| 611 | |
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612 static PyObject * |
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613 newIobject(PyObject *s) { |
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614 Iobject *self; |
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615 char *buf; |
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616 int size; |
|
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617 |
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618 if (!PyString_Check(s)) { |
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619 PyErr_Format(PyExc_TypeError, "expected string, %.200s found", |
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620 s->ob_type->tp_name); |
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621 return NULL; |
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622 } |
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623 buf = PyString_AS_STRING(s); |
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624 size = PyString_GET_SIZE(s); |
|
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625 UNLESS(self = PyObject_New(Iobject, &Itype)) return NULL; |
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626 Py_INCREF(s); |
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627 self->buf=buf; |
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628 self->string_size=size; |
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629 self->pbuf=s; |
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630 self->pos=0; |
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631 |
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632 return (PyObject*)self; |
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633 } |
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634 |
| 4598 | 635 /* End of code for StringI objects */ |
| 636 /* -------------------------------------------------------- */ | |
| 637 | |
| 638 | |
| 639 static char IO_StringIO__doc__[] = | |
| 640 "StringIO([s]) -- Return a StringIO-like stream for reading or writing" | |
| 641 ; | |
| 642 | |
| 643 static PyObject * | |
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644 IO_StringIO(PyObject *self, PyObject *args) { |
| 4598 | 645 PyObject *s=0; |
| 646 | |
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647 if (!PyArg_ParseTuple(args, "|O:StringIO", &s)) |
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648 return NULL; |
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649 if(s) return newIobject(s); |
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650 return newOobject(128); |
| 4598 | 651 } |
| 652 | |
| 653 /* List of methods defined in the module */ | |
| 654 | |
| 655 static struct PyMethodDef IO_methods[] = { | |
|
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656 {"StringIO", (PyCFunction)IO_StringIO, |
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657 METH_VARARGS, IO_StringIO__doc__}, |
| 4906 | 658 {NULL, NULL} /* sentinel */ |
| 4598 | 659 }; |
| 660 | |
| 661 | |
| 662 /* Initialization function for the module (*must* be called initcStringIO) */ | |
| 663 | |
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664 static struct PycStringIO_CAPI CAPI = { |
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665 O_cread, |
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666 O_creadline, |
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667 O_cwrite, |
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668 O_cgetval, |
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669 newOobject, |
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670 newIobject, |
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671 &Itype, |
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672 &Otype, |
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673 }; |
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674 |
| 9642 | 675 #ifndef DL_EXPORT /* declarations for DLL import/export */ |
| 676 #define DL_EXPORT(RTYPE) RTYPE | |
| 677 #endif | |
|
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678 DL_EXPORT(void) |
|
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679 initcStringIO(void) { |
|
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680 PyObject *m, *d, *v; |
| 4598 | 681 |
|
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682 |
| 4598 | 683 /* Create the module and add the functions */ |
| 684 m = Py_InitModule4("cStringIO", IO_methods, | |
| 685 cStringIO_module_documentation, | |
| 686 (PyObject*)NULL,PYTHON_API_VERSION); | |
| 687 | |
| 688 /* Add some symbolic constants to the module */ | |
| 689 d = PyModule_GetDict(m); | |
| 690 | |
| 4906 | 691 /* Export C API */ |
|
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692 Itype.ob_type=&PyType_Type; |
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693 Otype.ob_type=&PyType_Type; |
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694 PyDict_SetItemString(d,"cStringIO_CAPI", |
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695 v = PyCObject_FromVoidPtr(&CAPI,NULL)); |
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696 Py_XDECREF(v); |
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697 |
|
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698 /* Export Types */ |
| 4598 | 699 PyDict_SetItemString(d,"InputType", (PyObject*)&Itype); |
| 700 PyDict_SetItemString(d,"OutputType", (PyObject*)&Otype); | |
|
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|
701 |
|
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702 /* Maybe make certain warnings go away */ |
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703 if(0) PycString_IMPORT; |
| 4598 | 704 } |