Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 1 | /*********************************************************** |
| 2 | Copyright 1991-1997 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
| 4 | |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
| 9 | provided that the above copyright notice appear in all copies and that |
| 10 | both that copyright notice and this permission notice appear in |
| 11 | supporting documentation, and that the names of Stichting Mathematisch |
| 12 | Centrum or CWI not be used in advertising or publicity pertaining to |
| 13 | distribution of the software without specific, written prior permission. |
| 14 | |
| 15 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| 16 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 17 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| 18 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 19 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 20 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 21 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 22 | |
| 23 | ******************************************************************/ |
| 24 | |
| 25 | |
| 26 | #include "Python.h" |
| 27 | |
| 28 | #include "macglue.h" |
| 29 | #include "marshal.h" |
| 30 | #include "import.h" |
| 31 | #include "importdl.h" |
| 32 | |
| 33 | #include "pythonresources.h" |
| 34 | |
| 35 | #include <Types.h> |
| 36 | #include <Files.h> |
| 37 | #include <Resources.h> |
| 38 | #if 0 |
| 39 | #include <OSUtils.h> /* for Set(Current)A5 */ |
| 40 | #include <StandardFile.h> |
| 41 | #include <Memory.h> |
| 42 | #include <Windows.h> |
| 43 | #include <Traps.h> |
| 44 | #include <Processes.h> |
| 45 | #include <Fonts.h> |
| 46 | #include <Menus.h> |
| 47 | #include <TextUtils.h> |
| 48 | #endif |
| 49 | #include <CodeFragments.h> |
Jack Jansen | b45032e | 2001-05-22 14:13:02 +0000 | [diff] [blame^] | 50 | #include <StringCompare.h> |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 51 | |
Jack Jansen | 2d1306b | 2000-04-07 09:10:49 +0000 | [diff] [blame] | 52 | #ifdef USE_GUSI1 |
Jack Jansen | 48a9c36 | 1998-09-07 11:36:17 +0000 | [diff] [blame] | 53 | #include "TFileSpec.h" /* for Path2FSSpec() */ |
| 54 | #endif |
| 55 | |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 56 | typedef void (*dl_funcptr)(); |
| 57 | #define FUNCNAME_PATTERN "init%.200s" |
| 58 | |
Jack Jansen | b45032e | 2001-05-22 14:13:02 +0000 | [diff] [blame^] | 59 | static int |
| 60 | fssequal(FSSpec *fs1, FSSpec *fs2) |
| 61 | { |
| 62 | if ( fs1->vRefNum != fs2->vRefNum || fs1->parID != fs2->parID ) |
| 63 | return 0; |
| 64 | return EqualString(fs1->name, fs2->name, false, true); |
| 65 | } |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 66 | /* |
| 67 | ** findnamedresource - Common code for the various *ResourceModule functions. |
| 68 | ** Check whether a file contains a resource of the correct name and type, and |
| 69 | ** optionally return the value in it. |
| 70 | */ |
| 71 | static int |
| 72 | findnamedresource( |
| 73 | PyStringObject *obj, |
| 74 | char *module, |
| 75 | char *filename, |
| 76 | OSType restype, |
| 77 | StringPtr dataptr) |
| 78 | { |
| 79 | FSSpec fss; |
| 80 | FInfo finfo; |
| 81 | short oldrh, filerh; |
| 82 | int ok; |
| 83 | Handle h; |
| 84 | |
| 85 | #ifdef INTERN_STRINGS |
| 86 | /* |
| 87 | ** If we have interning find_module takes care of interning all |
| 88 | ** sys.path components. We then keep a record of all sys.path |
| 89 | ** components for which GetFInfo has failed (usually because the |
| 90 | ** component in question is a folder), and we don't try opening these |
| 91 | ** as resource files again. |
| 92 | */ |
| 93 | #define MAXPATHCOMPONENTS 32 |
| 94 | static PyStringObject *not_a_file[MAXPATHCOMPONENTS]; |
| 95 | static int max_not_a_file = 0; |
| 96 | int i; |
| 97 | |
| 98 | if (obj && obj->ob_sinterned ) { |
| 99 | for( i=0; i< max_not_a_file; i++ ) |
| 100 | if ( obj == not_a_file[i] ) |
| 101 | return 0; |
| 102 | } |
| 103 | #endif /* INTERN_STRINGS */ |
Jack Jansen | b45032e | 2001-05-22 14:13:02 +0000 | [diff] [blame^] | 104 | #ifdef USE_GUSI1 |
| 105 | if ( Path2FSSpec(filename, &fss) != noErr ) { |
| 106 | #else |
| 107 | if ( FSMakeFSSpec(0, 0, Pstring(filename), &fss) != noErr ) { |
| 108 | #endif |
| 109 | #ifdef INTERN_STRINGS |
| 110 | if ( obj && max_not_a_file < MAXPATHCOMPONENTS && obj->ob_sinterned ) |
| 111 | not_a_file[max_not_a_file++] = obj; |
| 112 | #endif /* INTERN_STRINGS */ |
| 113 | /* doesn't exist or is folder */ |
| 114 | return 0; |
| 115 | } |
| 116 | if ( fssequal(&fss, &PyMac_ApplicationFSSpec) ) { |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 117 | /* |
| 118 | ** Special case: the application itself. Use a shortcut to |
| 119 | ** forestall opening and closing the application numerous times |
| 120 | ** (which is dead slow when running from CDROM) |
| 121 | */ |
| 122 | oldrh = CurResFile(); |
| 123 | UseResFile(PyMac_AppRefNum); |
| 124 | filerh = -1; |
| 125 | } else { |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 126 | #ifdef INTERN_STRINGS |
Jack Jansen | b45032e | 2001-05-22 14:13:02 +0000 | [diff] [blame^] | 127 | if ( FSpGetFInfo(&fss, &finfo) != noErr ) { |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 128 | if ( obj && max_not_a_file < MAXPATHCOMPONENTS && obj->ob_sinterned ) |
| 129 | not_a_file[max_not_a_file++] = obj; |
Jack Jansen | b45032e | 2001-05-22 14:13:02 +0000 | [diff] [blame^] | 130 | /* doesn't exist or is folder */ |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 131 | return 0; |
| 132 | } |
Jack Jansen | b45032e | 2001-05-22 14:13:02 +0000 | [diff] [blame^] | 133 | #endif /* INTERN_STRINGS */ |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 134 | oldrh = CurResFile(); |
| 135 | filerh = FSpOpenResFile(&fss, fsRdPerm); |
| 136 | if ( filerh == -1 ) |
| 137 | return 0; |
| 138 | UseResFile(filerh); |
| 139 | } |
| 140 | if ( dataptr == NULL ) |
| 141 | SetResLoad(0); |
| 142 | h = Get1NamedResource(restype, Pstring(module)); |
| 143 | SetResLoad(1); |
| 144 | ok = (h != NULL); |
| 145 | if ( ok && dataptr != NULL ) { |
| 146 | HLock(h); |
Jack Jansen | 017e0ff | 1998-07-31 09:34:47 +0000 | [diff] [blame] | 147 | /* XXXX Unsafe if resource not correctly formatted! */ |
| 148 | #ifdef __CFM68K__ |
| 149 | /* for cfm68k we take the second pstring */ |
| 150 | *dataptr = *((*h)+(**h)+1); |
| 151 | memcpy(dataptr+1, (*h)+(**h)+2, (int)*dataptr); |
| 152 | #else |
| 153 | /* for ppc we take the first pstring */ |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 154 | *dataptr = **h; |
| 155 | memcpy(dataptr+1, (*h)+1, (int)*dataptr); |
Jack Jansen | 017e0ff | 1998-07-31 09:34:47 +0000 | [diff] [blame] | 156 | #endif |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 157 | HUnlock(h); |
| 158 | } |
| 159 | if ( filerh != -1 ) |
| 160 | CloseResFile(filerh); |
| 161 | UseResFile(oldrh); |
| 162 | return ok; |
| 163 | } |
| 164 | |
| 165 | /* |
| 166 | ** Returns true if the argument has a resource fork, and it contains |
| 167 | ** a 'PYC ' resource of the correct name |
| 168 | */ |
| 169 | int |
| 170 | PyMac_FindResourceModule(obj, module, filename) |
| 171 | PyStringObject *obj; |
| 172 | char *module; |
| 173 | char *filename; |
| 174 | { |
| 175 | int ok; |
| 176 | |
| 177 | ok = findnamedresource(obj, module, filename, 'PYC ', (StringPtr)0); |
| 178 | return ok; |
| 179 | } |
| 180 | |
| 181 | /* |
| 182 | ** Returns true if the argument has a resource fork, and it contains |
| 183 | ** a 'PYD ' resource of the correct name |
| 184 | */ |
| 185 | int |
| 186 | PyMac_FindCodeResourceModule(obj, module, filename) |
| 187 | PyStringObject *obj; |
| 188 | char *module; |
| 189 | char *filename; |
| 190 | { |
| 191 | int ok; |
| 192 | |
| 193 | ok = findnamedresource(obj, module, filename, 'PYD ', (StringPtr)0); |
| 194 | return ok; |
| 195 | } |
| 196 | |
| 197 | |
| 198 | /* |
| 199 | ** Load the specified module from a code resource |
| 200 | */ |
| 201 | PyObject * |
| 202 | PyMac_LoadCodeResourceModule(name, pathname) |
| 203 | char *name; |
| 204 | char *pathname; |
| 205 | { |
Jack Jansen | 017e0ff | 1998-07-31 09:34:47 +0000 | [diff] [blame] | 206 | PyObject *m, *d, *s; |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 207 | char funcname[258]; |
| 208 | char *lastdot, *shortname, *packagecontext; |
| 209 | dl_funcptr p = NULL; |
| 210 | Str255 fragmentname; |
| 211 | CFragConnectionID connID; |
| 212 | Ptr mainAddr; |
| 213 | Str255 errMessage; |
| 214 | OSErr err; |
| 215 | char buf[512]; |
| 216 | Ptr symAddr; |
| 217 | CFragSymbolClass class; |
| 218 | |
| 219 | if ((m = _PyImport_FindExtension(name, name)) != NULL) { |
| 220 | Py_INCREF(m); |
| 221 | return m; |
| 222 | } |
| 223 | lastdot = strrchr(name, '.'); |
| 224 | if (lastdot == NULL) { |
| 225 | packagecontext = NULL; |
| 226 | shortname = name; |
| 227 | } |
| 228 | else { |
| 229 | packagecontext = name; |
| 230 | shortname = lastdot+1; |
| 231 | } |
| 232 | sprintf(funcname, FUNCNAME_PATTERN, shortname); |
| 233 | if( !findnamedresource((PyStringObject *)0, shortname, pathname, 'PYD ', fragmentname)) { |
| 234 | PyErr_SetString(PyExc_ImportError, "PYD resource not found"); |
| 235 | return NULL; |
| 236 | } |
| 237 | |
| 238 | /* Load the fragment |
| 239 | (or return the connID if it is already loaded */ |
| 240 | err = GetSharedLibrary(fragmentname, kCompiledCFragArch, |
| 241 | kLoadCFrag, &connID, &mainAddr, |
| 242 | errMessage); |
| 243 | if ( err ) { |
| 244 | sprintf(buf, "%.*s: %.200s", |
| 245 | errMessage[0], errMessage+1, |
| 246 | PyMac_StrError(err)); |
| 247 | PyErr_SetString(PyExc_ImportError, buf); |
| 248 | return NULL; |
| 249 | } |
| 250 | /* Locate the address of the correct init function */ |
| 251 | err = FindSymbol(connID, Pstring(funcname), &symAddr, &class); |
| 252 | if ( err ) { |
| 253 | sprintf(buf, "%s: %.200s", |
| 254 | funcname, PyMac_StrError(err)); |
| 255 | PyErr_SetString(PyExc_ImportError, buf); |
| 256 | return NULL; |
| 257 | } |
| 258 | p = (dl_funcptr)symAddr; |
| 259 | if (p == NULL) { |
| 260 | PyErr_Format(PyExc_ImportError, |
| 261 | "dynamic module does not define init function (%.200s)", |
| 262 | funcname); |
| 263 | return NULL; |
| 264 | } |
| 265 | _Py_PackageContext = packagecontext; |
| 266 | (*p)(); |
| 267 | _Py_PackageContext = NULL; |
| 268 | if (PyErr_Occurred()) |
| 269 | return NULL; |
| 270 | if (_PyImport_FixupExtension(name, name) == NULL) |
| 271 | return NULL; |
| 272 | |
| 273 | m = PyDict_GetItemString(PyImport_GetModuleDict(), name); |
| 274 | if (m == NULL) { |
| 275 | PyErr_SetString(PyExc_SystemError, |
| 276 | "dynamic module not initialized properly"); |
| 277 | return NULL; |
| 278 | } |
Jack Jansen | 017e0ff | 1998-07-31 09:34:47 +0000 | [diff] [blame] | 279 | #if 1 |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 280 | /* Remember the filename as the __file__ attribute */ |
| 281 | d = PyModule_GetDict(m); |
| 282 | s = PyString_FromString(pathname); |
| 283 | if (s == NULL || PyDict_SetItemString(d, "__file__", s) != 0) |
| 284 | PyErr_Clear(); /* Not important enough to report */ |
| 285 | Py_XDECREF(s); |
| 286 | #endif |
| 287 | if (Py_VerboseFlag) |
Jack Jansen | deff89c | 1998-10-12 20:53:15 +0000 | [diff] [blame] | 288 | PySys_WriteStderr("import %s # pyd fragment %#s loaded from %s\n", |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 289 | name, fragmentname, pathname); |
| 290 | Py_INCREF(m); |
| 291 | return m; |
| 292 | } |
| 293 | |
| 294 | /* |
| 295 | ** Load the specified module from a resource |
| 296 | */ |
| 297 | PyObject * |
| 298 | PyMac_LoadResourceModule(module, filename) |
| 299 | char *module; |
| 300 | char *filename; |
| 301 | { |
| 302 | FSSpec fss; |
| 303 | FInfo finfo; |
| 304 | short oldrh, filerh; |
| 305 | Handle h; |
| 306 | OSErr err; |
| 307 | PyObject *m, *co; |
| 308 | long num, size; |
| 309 | |
Jack Jansen | b45032e | 2001-05-22 14:13:02 +0000 | [diff] [blame^] | 310 | #ifdef USE_GUSI1 |
| 311 | if ( (err=Path2FSSpec(filename, &fss)) != noErr || |
| 312 | FSpGetFInfo(&fss, &finfo) != noErr ) |
| 313 | #else |
| 314 | if ( (err=FSMakeFSSpec(0, 0, Pstring(filename), &fss)) != noErr ) |
| 315 | #endif |
| 316 | goto error; |
| 317 | if ( fssequal(&fss, &PyMac_ApplicationFSSpec) ) { |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 318 | /* |
| 319 | ** Special case: the application itself. Use a shortcut to |
| 320 | ** forestall opening and closing the application numerous times |
| 321 | ** (which is dead slow when running from CDROM) |
| 322 | */ |
| 323 | oldrh = CurResFile(); |
| 324 | UseResFile(PyMac_AppRefNum); |
| 325 | filerh = -1; |
| 326 | } else { |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 327 | if ( (err=FSpGetFInfo(&fss, &finfo)) != noErr ) |
| 328 | goto error; |
| 329 | oldrh = CurResFile(); |
| 330 | filerh = FSpOpenResFile(&fss, fsRdPerm); |
| 331 | if ( filerh == -1 ) { |
| 332 | err = ResError(); |
| 333 | goto error; |
| 334 | } |
| 335 | UseResFile(filerh); |
| 336 | } |
| 337 | h = Get1NamedResource('PYC ', Pstring(module)); |
| 338 | if ( h == NULL ) { |
| 339 | err = ResError(); |
| 340 | goto error; |
| 341 | } |
| 342 | HLock(h); |
| 343 | /* |
| 344 | ** XXXX The next few lines are intimately tied to the format of pyc |
| 345 | ** files. I'm not sure whether this code should be here or in import.c -- Jack |
| 346 | */ |
| 347 | size = GetHandleSize(h); |
| 348 | if ( size < 8 ) { |
| 349 | PyErr_SetString(PyExc_ImportError, "Resource too small"); |
| 350 | co = NULL; |
| 351 | } else { |
| 352 | num = (*h)[0] & 0xff; |
| 353 | num = num | (((*h)[1] & 0xff) << 8); |
| 354 | num = num | (((*h)[2] & 0xff) << 16); |
| 355 | num = num | (((*h)[3] & 0xff) << 24); |
| 356 | if ( num != PyImport_GetMagicNumber() ) { |
| 357 | PyErr_SetString(PyExc_ImportError, "Bad MAGIC in resource"); |
| 358 | co = NULL; |
| 359 | } else { |
| 360 | co = PyMarshal_ReadObjectFromString((*h)+8, size-8); |
Jack Jansen | b93f521 | 1998-08-18 12:23:11 +0000 | [diff] [blame] | 361 | /* |
| 362 | ** Normally, byte 4-7 are the time stamp, but that is not used |
| 363 | ** for 'PYC ' resources. We abuse byte 4 as a flag to indicate |
| 364 | ** that it is a package rather than an ordinary module. |
| 365 | ** See also py_resource.py. (jvr) |
| 366 | */ |
| 367 | if ((*h)[4] & 0xff) { |
| 368 | /* it's a package */ |
| 369 | /* Set __path__ to the package name */ |
| 370 | PyObject *d, *s; |
| 371 | int err; |
| 372 | |
| 373 | m = PyImport_AddModule(module); |
| 374 | if (m == NULL) { |
| 375 | co = NULL; |
| 376 | goto packageerror; |
| 377 | } |
| 378 | d = PyModule_GetDict(m); |
| 379 | s = PyString_InternFromString(module); |
| 380 | if (s == NULL) { |
| 381 | co = NULL; |
| 382 | goto packageerror; |
| 383 | } |
| 384 | err = PyDict_SetItemString(d, "__path__", s); |
| 385 | Py_DECREF(s); |
| 386 | if (err != 0) { |
| 387 | co = NULL; |
| 388 | goto packageerror; |
| 389 | } |
| 390 | } |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 391 | } |
| 392 | } |
Jack Jansen | b93f521 | 1998-08-18 12:23:11 +0000 | [diff] [blame] | 393 | packageerror: |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 394 | HUnlock(h); |
| 395 | if ( filerh != -1 ) |
| 396 | CloseResFile(filerh); |
Jack Jansen | add8b24 | 2001-02-21 15:48:19 +0000 | [diff] [blame] | 397 | else |
| 398 | ReleaseResource(h); |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 399 | UseResFile(oldrh); |
| 400 | if ( co ) { |
Jack Jansen | b93f521 | 1998-08-18 12:23:11 +0000 | [diff] [blame] | 401 | m = PyImport_ExecCodeModuleEx(module, co, "<pyc resource>"); |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 402 | Py_DECREF(co); |
| 403 | } else { |
| 404 | m = NULL; |
| 405 | } |
| 406 | if (Py_VerboseFlag) |
Jack Jansen | deff89c | 1998-10-12 20:53:15 +0000 | [diff] [blame] | 407 | PySys_WriteStderr("import %s # pyc resource from %s\n", |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 408 | module, filename); |
| 409 | return m; |
| 410 | error: |
| 411 | { |
| 412 | char buf[512]; |
| 413 | |
| 414 | sprintf(buf, "%s: %s", filename, PyMac_StrError(err)); |
| 415 | PyErr_SetString(PyExc_ImportError, buf); |
| 416 | return NULL; |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | /* |
| 421 | ** Look for a module in a single folder. Upon entry buf and len |
| 422 | ** point to the folder to search, upon exit they refer to the full |
| 423 | ** pathname of the module found (if any). |
| 424 | */ |
| 425 | struct filedescr * |
Jack Jansen | fe38d29 | 2000-07-03 23:53:40 +0000 | [diff] [blame] | 426 | PyMac_FindModuleExtension(char *buf, size_t *lenp, char *module) |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 427 | { |
| 428 | struct filedescr *fdp; |
| 429 | unsigned char fnbuf[64]; |
| 430 | int modnamelen = strlen(module); |
| 431 | FSSpec fss; |
Jack Jansen | 9ae898b | 2000-07-11 21:16:03 +0000 | [diff] [blame] | 432 | #ifdef USE_GUSI1 |
Jack Jansen | 48a9c36 | 1998-09-07 11:36:17 +0000 | [diff] [blame] | 433 | FInfo finfo; |
Jack Jansen | 9ae898b | 2000-07-11 21:16:03 +0000 | [diff] [blame] | 434 | #endif |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 435 | short refnum; |
| 436 | long dirid; |
| 437 | |
| 438 | /* |
| 439 | ** Copy the module name to the buffer (already :-terminated) |
| 440 | ** We also copy the first suffix, if this matches immedeately we're |
| 441 | ** lucky and return immedeately. |
| 442 | */ |
| 443 | if ( !_PyImport_Filetab[0].suffix ) |
| 444 | return 0; |
| 445 | |
| 446 | #if 0 |
| 447 | /* Pre 1.5a4 */ |
| 448 | strcpy(buf+*lenp, module); |
| 449 | strcpy(buf+*lenp+modnamelen, _PyImport_Filetab[0].suffix); |
| 450 | #else |
| 451 | strcpy(buf+*lenp, _PyImport_Filetab[0].suffix); |
| 452 | #endif |
Jack Jansen | 2d1306b | 2000-04-07 09:10:49 +0000 | [diff] [blame] | 453 | #ifdef USE_GUSI1 |
Jack Jansen | 48a9c36 | 1998-09-07 11:36:17 +0000 | [diff] [blame] | 454 | if ( Path2FSSpec(buf, &fss) == noErr && |
| 455 | FSpGetFInfo(&fss, &finfo) == noErr) |
| 456 | return _PyImport_Filetab; |
| 457 | #else |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 458 | if ( FSMakeFSSpec(0, 0, Pstring(buf), &fss) == noErr ) |
| 459 | return _PyImport_Filetab; |
Jack Jansen | 48a9c36 | 1998-09-07 11:36:17 +0000 | [diff] [blame] | 460 | #endif |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 461 | /* |
| 462 | ** We cannot check for fnfErr (unfortunately), it can mean either that |
| 463 | ** the file doesn't exist (fine, we try others) or the path leading to it. |
| 464 | */ |
| 465 | refnum = fss.vRefNum; |
| 466 | dirid = fss.parID; |
| 467 | if ( refnum == 0 || dirid == 0 ) /* Fail on nonexistent dir */ |
| 468 | return 0; |
| 469 | /* |
| 470 | ** We now have the folder parameters. Setup the field for the filename |
| 471 | */ |
| 472 | if ( modnamelen > 54 ) return 0; /* Leave room for extension */ |
| 473 | strcpy((char *)fnbuf+1, module); |
| 474 | |
| 475 | for( fdp = _PyImport_Filetab+1; fdp->suffix; fdp++ ) { |
| 476 | strcpy((char *)fnbuf+1+modnamelen, fdp->suffix); |
| 477 | fnbuf[0] = strlen((char *)fnbuf+1); |
| 478 | if (Py_VerboseFlag > 1) |
Jack Jansen | deff89c | 1998-10-12 20:53:15 +0000 | [diff] [blame] | 479 | PySys_WriteStderr("# trying %s%s\n", buf, fdp->suffix); |
Jack Jansen | 1e2260f | 1998-07-13 13:37:12 +0000 | [diff] [blame] | 480 | if ( FSMakeFSSpec(refnum, dirid, fnbuf, &fss) == noErr ) { |
| 481 | /* Found it. */ |
| 482 | #if 0 |
| 483 | strcpy(buf+*lenp+modnamelen, fdp->suffix); |
| 484 | #else |
| 485 | strcpy(buf+*lenp, fdp->suffix); |
| 486 | #endif |
| 487 | *lenp = strlen(buf); |
| 488 | return fdp; |
| 489 | } |
| 490 | } |
| 491 | return 0; |
| 492 | } |