source/blender/python/intern/bpy_interface.c

   1 /**
   2  * $Id:
   3  *
   4  * ***** BEGIN GPL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  *
  20  * Contributor(s): Michel Selten, Willian P. Germano, Stephen Swaney,
  21  * Chris Keith, Chris Want, Ken Hughes, Campbell Barton
  22  *
  23  * ***** END GPL LICENSE BLOCK *****
  24  */
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <sys/stat.h>
  30
  31
  32 /* grr, python redefines */
  33 #ifdef _POSIX_C_SOURCE
  34 #undef _POSIX_C_SOURCE
  35 #endif
  36
  37 #include <Python.h>
  38 #include "compile.h"            /* for the PyCodeObject */
  39 #include "eval.h"               /* for PyEval_EvalCode */
  40
  41 #include "bpy_rna.h"
  42 #include "bpy_operator.h"
  43 #include "bpy_ui.h"
  44 #include "bpy_util.h"
  45
  46 #ifndef WIN32
  47 #include <dirent.h>
  48 #else
  49 #include "BLI_winstuff.h"
  50 #endif
  51
  52 #include "DNA_space_types.h"
  53 #include "DNA_text_types.h"
  54
  55 #include "MEM_guardedalloc.h"
  56
  57 #include "BLI_path_util.h"
  58 #include "BLI_storage.h"
  59 #include "BLI_fileops.h"
  60 #include "BLI_string.h"
  61
  62 #include "BKE_context.h"
  63 #include "BKE_text.h"
  64 #include "BKE_context.h"
  65 #include "BKE_global.h"
  66 #include "BKE_main.h"
  67
  68 #include "BPY_extern.h"
  69
  70 #include "../generic/bpy_internal_import.h" // our own imports
  71 /* external util modules */
  72
  73 #include "../generic/Mathutils.h"
  74 #include "../generic/Geometry.h"
  75 #include "../generic/BGL.h"
  76 #include "../generic/IDProp.h"
  77
  78 /* for internal use, when starting and ending python scripts */
  79
  80 /* incase a python script triggers another python call, stop bpy_context_clear from invalidating */
  81 static int py_call_level= 0;
  82
  83
  84 // only for tests
  85 #define TIME_PY_RUN
  86
  87 #ifdef TIME_PY_RUN
  88 #include "PIL_time.h"
  89 static int              bpy_timer_count = 0;
  90 static double   bpy_timer; /* time since python starts */
  91 static double   bpy_timer_run; /* time for each python script run */
  92 static double   bpy_timer_run_tot; /* accumulate python runs */
  93 #endif
  94
  95 void bpy_context_set(bContext *C, PyGILState_STATE *gilstate)
  96 {
  97         py_call_level++;
  98
  99         if(gilstate)
 100                 *gilstate = PyGILState_Ensure();
 101
 102         if(py_call_level==1) {
 103
 104                 if(C) { // XXX - should always be true.
 105                         BPy_SetContext(C);
 106                         bpy_import_main_set(CTX_data_main(C));
 107                 }
 108                 else {
 109                         fprintf(stderr, "ERROR: Python context called with a NULL Context. this should not happen!\n");
 110                 }
 111
 112                 BPY_update_modules(); /* can give really bad results if this isnt here */
 113
 114 #ifdef TIME_PY_RUN
 115                 if(bpy_timer_count==0) {
 116                         /* record time from the beginning */
 117                         bpy_timer= PIL_check_seconds_timer();
 118                         bpy_timer_run = bpy_timer_run_tot = 0.0;
 119                 }
 120                 bpy_timer_run= PIL_check_seconds_timer();
 121
 122
 123                 bpy_timer_count++;
 124 #endif
 125         }
 126 }
 127
 128 void bpy_context_clear(bContext *C, PyGILState_STATE *gilstate)
 129 {
 130         py_call_level--;
 131
 132         if(gilstate)
 133                 PyGILState_Release(*gilstate);
 134
 135         if(py_call_level < 0) {
 136                 fprintf(stderr, "ERROR: Python context internal state bug. this should not happen!\n");
 137         }
 138         else if(py_call_level==0) {
 139                 // XXX - Calling classes currently wont store the context :\, cant set NULL because of this. but this is very flakey still.
 140                 //BPy_SetContext(NULL);
 141                 //bpy_import_main_set(NULL);
 142
 143 #ifdef TIME_PY_RUN
 144                 bpy_timer_run_tot += PIL_check_seconds_timer() - bpy_timer_run;
 145                 bpy_timer_count++;
 146 #endif
 147
 148         }
 149 }
 150
 151 static void bpy_import_test(char *modname)
 152 {
 153         PyObject *mod= PyImport_ImportModuleLevel(modname, NULL, NULL, NULL, 0);
 154         if(mod) {
 155                 Py_DECREF(mod);
 156         }
 157         else {
 158                 PyErr_Print();
 159                 PyErr_Clear();
 160         }
 161 }
 162
 163 void BPY_free_compiled_text( struct Text *text )
 164 {
 165         if( text->compiled ) {
 166                 Py_DECREF( ( PyObject * ) text->compiled );
 167                 text->compiled = NULL;
 168         }
 169 }
 170
 171 /*****************************************************************************
 172 * Description: Creates the bpy module and adds it to sys.modules for importing
 173 *****************************************************************************/
 174 static BPy_StructRNA *bpy_context_module= NULL; /* for fast access */
 175 static void bpy_init_modules( void )
 176 {
 177         PyObject *mod;
 178
 179         /* Needs to be first since this dir is needed for future modules */
 180         char *modpath= BLI_gethome_folder("scripts/modules", BLI_GETHOME_ALL);
 181         if(modpath) {
 182                 PyObject *sys_path= PySys_GetObject("path"); /* borrow */
 183                 PyObject *py_modpath= PyUnicode_FromString(modpath);
 184                 PyList_Insert(sys_path, 0, py_modpath); /* add first */
 185                 Py_DECREF(py_modpath);
 186         }
 187
 188         /* stand alone utility modules not related to blender directly */
 189         Geometry_Init();
 190         Mathutils_Init();
 191         BGL_Init();
 192         IDProp_Init_Types();
 193
 194
 195         mod = PyModule_New("_bpy");
 196
 197         /* add the module so we can import it */
 198         PyDict_SetItemString(PySys_GetObject("modules"), "_bpy", mod);
 199         Py_DECREF(mod);
 200
 201         /* run first, initializes rna types */
 202         BPY_rna_init();
 203
 204         PyModule_AddObject( mod, "types", BPY_rna_types() ); /* needs to be first so bpy_types can run */
 205         bpy_import_test("bpy_types");
 206         PyModule_AddObject( mod, "data", BPY_rna_module() ); /* imports bpy_types by running this */
 207         bpy_import_test("bpy_types");
 208         /* PyModule_AddObject( mod, "doc", BPY_rna_doc() ); */
 209         PyModule_AddObject( mod, "props", BPY_rna_props() );
 210         PyModule_AddObject( mod, "ops", BPY_operator_module() ); /* ops is now a python module that does the conversion from SOME_OT_foo -> some.foo */
 211         PyModule_AddObject( mod, "ui", BPY_ui_module() ); // XXX very experimental, consider this a test, especially PyCObject is not meant to be permanent
 212
 213
 214
 215         /* bpy context */
 216         {
 217                 bpy_context_module= ( BPy_StructRNA * ) PyObject_NEW( BPy_StructRNA, &pyrna_struct_Type );
 218                 RNA_pointer_create(NULL, &RNA_Context, NULL, &bpy_context_module->ptr);
 219
 220                 PyModule_AddObject(mod, "context", (PyObject *)bpy_context_module);
 221         }
 222
 223         /* add our own modules dir, this is a python package */
 224         bpy_import_test("bpy");
 225 }
 226
 227 void BPY_update_modules( void )
 228 {
 229 #if 0 // slow, this runs all the time poll, draw etc 100's of time a sec.
 230         PyObject *mod= PyImport_ImportModuleLevel("bpy", NULL, NULL, NULL, 0);
 231         PyModule_AddObject( mod, "data", BPY_rna_module() );
 232         PyModule_AddObject( mod, "types", BPY_rna_types() ); // atm this does not need updating
 233 #endif
 234
 235         /* refreshes the main struct */
 236         BPY_update_rna_module();
 237         bpy_context_module->ptr.data= (void *)BPy_GetContext();
 238 }
 239
 240 /*****************************************************************************
 241 * Description: This function creates a new Python dictionary object.
 242 *****************************************************************************/
 243 static PyObject *CreateGlobalDictionary( bContext *C, const char *filename )
 244 {
 245         PyObject *mod;
 246         PyObject *item;
 247         PyObject *dict = PyDict_New(  );
 248         PyDict_SetItemString( dict, "__builtins__", PyEval_GetBuiltins(  ) );
 249
 250         item = PyUnicode_FromString( "__main__" );
 251         PyDict_SetItemString( dict, "__name__", item );
 252         Py_DECREF(item);
 253
 254         /* __file__ only for nice UI'ness */
 255         if(filename) {
 256                 PyObject *item = PyUnicode_FromString( filename );
 257                 PyDict_SetItemString( dict, "__file__", item );
 258                 Py_DECREF(item);
 259         }
 260
 261         /* add bpy to global namespace */
 262         mod= PyImport_ImportModuleLevel("bpy", NULL, NULL, NULL, 0);
 263         PyDict_SetItemString( dict, "bpy", mod );
 264         Py_DECREF(mod);
 265
 266         return dict;
 267 }
 268
 269 /* must be called before Py_Initialize */
 270 void BPY_start_python_path(void)
 271 {
 272         char *py_path_bundle= BLI_gethome_folder("python", BLI_GETHOME_ALL);
 273
 274         if(py_path_bundle==NULL)
 275                 return;
 276
 277         /* set the environment path */
 278         printf("found bundled python: %s\n", py_path_bundle);
 279
 280 #ifdef __APPLE__
 281         /* OSX allow file/directory names to contain : character (represented as / in the Finder)
 282          but current Python lib (release 3.1.1) doesn't handle these correctly */
 283         if(strchr(py_path_bundle, ':'))
 284                 printf("Warning : Blender application is located in a path containing : or / chars\
 285                            \nThis may make python import function fail\n");
 286 #endif
 287
 288 #if 0
 289         BLI_setenv("PYTHONHOME", py_path_bundle);
 290         BLI_setenv("PYTHONPATH", py_path_bundle);
 291 #endif
 292
 293         {
 294                 static wchar_t py_path_bundle_wchar[FILE_MAXDIR];
 295
 296                 mbstowcs(py_path_bundle_wchar, py_path_bundle, FILE_MAXDIR);
 297                 Py_SetPythonHome(py_path_bundle_wchar);
 298         }
 299 }
 300
 301
 302
 303 void BPY_set_context(bContext *C)
 304 {
 305         BPy_SetContext(C);
 306 }
 307
 308 /* call BPY_set_context first */
 309 void BPY_start_python( int argc, char **argv )
 310 {
 311         PyThreadState *py_tstate = NULL;
 312
 313         BPY_start_python_path(); /* allow to use our own included python */
 314
 315         Py_Initialize(  );
 316
 317         // PySys_SetArgv( argc, argv); // broken in py3, not a huge deal
 318         /* sigh, why do python guys not have a char** version anymore? :( */
 319         {
 320                 int i;
 321 #if 0
 322                 PyObject *py_argv= PyList_New(argc);
 323                 for (i=0; i<argc; i++)
 324                         PyList_SET_ITEM(py_argv, i, PyUnicode_FromString(argv[i]));
 325
 326 #else   // should fix bug #20021 - utf path name problems
 327                 PyObject *py_argv= PyList_New(0);
 328                 for (i=0; i<argc; i++) {
 329                         PyObject *item= PyUnicode_Decode(argv[i], strlen(argv[i]), Py_FileSystemDefaultEncoding, NULL);
 330                         if(item==NULL) { // should never happen
 331                                 PyErr_Print();
 332                                 PyErr_Clear();
 333                         }
 334                         else {
 335                                 PyList_Append(py_argv, item);
 336                                 Py_DECREF(item);
 337                         }
 338                 }
 339 #endif
 340                 PySys_SetObject("argv", py_argv);
 341                 Py_DECREF(py_argv);
 342         }
 343
 344         /* Initialize thread support (also acquires lock) */
 345         PyEval_InitThreads();
 346
 347
 348         /* bpy.* and lets us import it */
 349         bpy_init_modules();
 350
 351         { /* our own import and reload functions */
 352                 PyObject *item;
 353                 //PyObject *m = PyImport_AddModule("__builtin__");
 354                 //PyObject *d = PyModule_GetDict(m);
 355                 PyObject *d = PyEval_GetBuiltins(  );
 356                 PyDict_SetItemString(d, "reload",               item=PyCFunction_New(bpy_reload_meth, NULL));   Py_DECREF(item);
 357                 PyDict_SetItemString(d, "__import__",   item=PyCFunction_New(bpy_import_meth, NULL));   Py_DECREF(item);
 358         }
 359
 360         pyrna_alloc_types();
 361
 362         py_tstate = PyGILState_GetThisThreadState();
 363         PyEval_ReleaseThread(py_tstate);
 364 }
 365
 366 void BPY_end_python( void )
 367 {
 368         // fprintf(stderr, "Ending Python!\n");
 369
 370         PyGILState_Ensure(); /* finalizing, no need to grab the state */
 371
 372         // free other python data.
 373         pyrna_free_types();
 374
 375         /* clear all python data from structs */
 376
 377         Py_Finalize(  );
 378
 379 #ifdef TIME_PY_RUN
 380         // measure time since py started
 381         bpy_timer = PIL_check_seconds_timer() - bpy_timer;
 382
 383         printf("*bpy stats* - ");
 384         printf("tot exec: %d,  ", bpy_timer_count);
 385         printf("tot run: %.4fsec,  ", bpy_timer_run_tot);
 386         if(bpy_timer_count>0)
 387                 printf("average run: %.6fsec,  ", (bpy_timer_run_tot/bpy_timer_count));
 388
 389         if(bpy_timer>0.0)
 390                 printf("tot usage %.4f%%", (bpy_timer_run_tot/bpy_timer)*100.0);
 391
 392         printf("\n");
 393
 394         // fprintf(stderr, "Ending Python Done!\n");
 395
 396 #endif
 397
 398 }
 399
 400 /* Can run a file or text block */
 401 int BPY_run_python_script( bContext *C, const char *fn, struct Text *text, struct ReportList *reports)
 402 {
 403         PyObject *py_dict, *py_result= NULL;
 404         PyGILState_STATE gilstate;
 405
 406         if (fn==NULL && text==NULL) {
 407                 return 0;
 408         }
 409
 410         bpy_context_set(C, &gilstate);
 411
 412         py_dict = CreateGlobalDictionary(C, text?text->id.name+2:fn);
 413
 414         if (text) {
 415
 416                 if( !text->compiled ) { /* if it wasn't already compiled, do it now */
 417                         char *buf = txt_to_buf( text );
 418
 419                         text->compiled =
 420                                 Py_CompileString( buf, text->id.name+2, Py_file_input );
 421
 422                         MEM_freeN( buf );
 423
 424                         if( PyErr_Occurred(  ) ) {
 425                                 BPY_free_compiled_text( text );
 426                         }
 427                 }
 428                 if(text->compiled)
 429                         py_result =  PyEval_EvalCode( text->compiled, py_dict, py_dict );
 430
 431         } else {
 432                 FILE *fp= fopen(fn, "r");
 433                 if(fp) {
 434 #ifdef _WIN32
 435                         /* Previously we used PyRun_File to run directly the code on a FILE
 436                          * object, but as written in the Python/C API Ref Manual, chapter 2,
 437                          * 'FILE structs for different C libraries can be different and
 438                          * incompatible'.
 439                          * So now we load the script file data to a buffer */
 440                         char *pystring;
 441
 442                         fclose(fp);
 443
 444                         pystring= malloc(strlen(fn) + 32);
 445                         pystring[0]= '\0';
 446                         sprintf(pystring, "exec(open(r'%s').read())", fn);
 447                         py_result = PyRun_String( pystring, Py_file_input, py_dict, py_dict );
 448                         free(pystring);
 449 #else
 450                         py_result = PyRun_File(fp, fn, Py_file_input, py_dict, py_dict);
 451                         fclose(fp);
 452 #endif
 453                 }
 454                 else {
 455                         PyErr_Format(PyExc_SystemError, "Python file \"%s\" could not be opened: %s", fn, strerror(errno));
 456                         py_result= NULL;
 457                 }
 458         }
 459
 460         if (!py_result) {
 461                 BPy_errors_to_report(reports);
 462         } else {
 463                 Py_DECREF( py_result );
 464         }
 465
 466         Py_DECREF(py_dict);
 467
 468         bpy_context_clear(C, &gilstate);
 469
 470         return py_result ? 1:0;
 471 }
 472
 473
 474 /* TODO - move into bpy_space.c ? */
 475 /* GUI interface routines */
 476
 477 /* Copied from Draw.c */
 478 static void exit_pydraw( SpaceScript * sc, short err )
 479 {
 480         Script *script = NULL;
 481
 482         if( !sc || !sc->script )
 483                 return;
 484
 485         script = sc->script;
 486
 487         if( err ) {
 488                 BPy_errors_to_report(NULL); // TODO, reports
 489                 script->flags = 0;      /* mark script struct for deletion */
 490                 SCRIPT_SET_NULL(script);
 491                 script->scriptname[0] = '\0';
 492                 script->scriptarg[0] = '\0';
 493 // XXX 2.5              error_pyscript();
 494 // XXX 2.5              scrarea_queue_redraw( sc->area );
 495         }
 496
 497 #if 0 // XXX 2.5
 498         BPy_Set_DrawButtonsList(sc->but_refs);
 499         BPy_Free_DrawButtonsList(); /*clear all temp button references*/
 500 #endif
 501
 502         sc->but_refs = NULL;
 503
 504         Py_XDECREF( ( PyObject * ) script->py_draw );
 505         Py_XDECREF( ( PyObject * ) script->py_event );
 506         Py_XDECREF( ( PyObject * ) script->py_button );
 507
 508         script->py_draw = script->py_event = script->py_button = NULL;
 509 }
 510
 511 static int bpy_run_script_init(bContext *C, SpaceScript * sc)
 512 {
 513         if (sc->script==NULL)
 514                 return 0;
 515
 516         if (sc->script->py_draw==NULL && sc->script->scriptname[0] != '\0')
 517                 BPY_run_python_script(C, sc->script->scriptname, NULL, NULL);
 518
 519         if (sc->script->py_draw==NULL)
 520                 return 0;
 521
 522         return 1;
 523 }
 524
 525 int BPY_run_script_space_draw(const struct bContext *C, SpaceScript * sc)
 526 {
 527         if (bpy_run_script_init( (bContext *)C, sc)) {
 528                 PyGILState_STATE gilstate = PyGILState_Ensure();
 529                 PyObject *result = PyObject_CallObject( sc->script->py_draw, NULL );
 530
 531                 if (result==NULL)
 532                         exit_pydraw(sc, 1);
 533
 534                 PyGILState_Release(gilstate);
 535         }
 536         return 1;
 537 }
 538
 539 // XXX - not used yet, listeners dont get a context
 540 int BPY_run_script_space_listener(bContext *C, SpaceScript * sc)
 541 {
 542         if (bpy_run_script_init(C, sc)) {
 543                 PyGILState_STATE gilstate = PyGILState_Ensure();
 544
 545                 PyObject *result = PyObject_CallObject( sc->script->py_draw, NULL );
 546
 547                 if (result==NULL)
 548                         exit_pydraw(sc, 1);
 549
 550                 PyGILState_Release(gilstate);
 551         }
 552         return 1;
 553 }
 554
 555 void BPY_DECREF(void *pyob_ptr)
 556 {
 557         PyGILState_STATE gilstate = PyGILState_Ensure();
 558         Py_DECREF((PyObject *)pyob_ptr);
 559         PyGILState_Release(gilstate);
 560 }
 561
 562 #if 0
 563 /* called from the the scripts window, assume context is ok */
 564 int BPY_run_python_script_space(const char *modulename, const char *func)
 565 {
 566         PyObject *py_dict, *py_result= NULL;
 567         char pystring[512];
 568         PyGILState_STATE gilstate;
 569
 570         /* for calling the module function */
 571         PyObject *py_func,
 572
 573         gilstate = PyGILState_Ensure();
 574
 575         py_dict = CreateGlobalDictionary(C);
 576
 577         PyObject *module = PyImport_ImportModule(scpt->script.filename);
 578         if (module==NULL) {
 579                 PyErr_SetFormat(PyExc_SystemError, "could not import '%s'", scpt->script.filename);
 580         }
 581         else {
 582                 py_func = PyObject_GetAttrString(modulename, func);
 583                 if (py_func==NULL) {
 584                         PyErr_SetFormat(PyExc_SystemError, "module has no function '%s.%s'\n", scpt->script.filename, func);
 585                 }
 586                 else {
 587                         Py_DECREF(py_func);
 588                         if (!PyCallable_Check(py_func)) {
 589                                 PyErr_SetFormat(PyExc_SystemError, "module item is not callable '%s.%s'\n", scpt->script.filename, func);
 590                         }
 591                         else {
 592                                 py_result= PyObject_CallObject(py_func, NULL); // XXX will need args eventually
 593                         }
 594                 }
 595         }
 596
 597         if (!py_result) {
 598                 BPy_errors_to_report(NULL); // TODO - reports
 599         } else
 600                 Py_DECREF( py_result );
 601
 602         Py_XDECREF(module);
 603
 604         Py_DECREF(py_dict);
 605
 606         PyGILState_Release(gilstate);
 607         return 1;
 608 }
 609 #endif
 610
 611 // #define TIME_REGISTRATION
 612
 613 #ifdef TIME_REGISTRATION
 614 #include "PIL_time.h"
 615 #endif
 616
 617
 618 int BPY_button_eval(bContext *C, char *expr, double *value)
 619 {
 620         PyGILState_STATE gilstate;
 621         PyObject *dict, *mod, *retval;
 622         int error_ret = 0;
 623
 624         if (!value || !expr || expr[0]=='\0') return -1;
 625
 626         bpy_context_set(C, &gilstate);
 627
 628         dict= CreateGlobalDictionary(C, NULL);
 629
 630         /* import some modules: builtins,math*/
 631         PyDict_SetItemString(dict, "__builtins__", PyEval_GetBuiltins());
 632
 633         mod = PyImport_ImportModule("math");
 634         if (mod) {
 635                 PyDict_Merge(dict, PyModule_GetDict(mod), 0); /* 0 - dont overwrite existing values */
 636
 637                 /* Only keep for backwards compat! - just import all math into root, they are standard */
 638                 PyDict_SetItemString(dict, "math", mod);
 639                 PyDict_SetItemString(dict, "m", mod);
 640                 Py_DECREF(mod);
 641         }
 642
 643         retval = PyRun_String(expr, Py_eval_input, dict, dict);
 644
 645         if (retval == NULL) {
 646                 error_ret= -1;
 647         }
 648         else {
 649                 double val;
 650
 651                 if(PyTuple_Check(retval)) {
 652                         /* Users my have typed in 10km, 2m
 653                          * add up all values */
 654                         int i;
 655                         val= 0.0;
 656
 657                         for(i=0; i<PyTuple_GET_SIZE(retval); i++) {
 658                                 val+= PyFloat_AsDouble(PyTuple_GET_ITEM(retval, i));
 659                         }
 660                 }
 661                 else {
 662                         val = PyFloat_AsDouble(retval);
 663                 }
 664                 Py_DECREF(retval);
 665
 666                 if(val==-1 && PyErr_Occurred()) {
 667                         error_ret= -1;
 668                 }
 669                 else {
 670                         *value= val;
 671                 }
 672         }
 673
 674         if(error_ret) {
 675                 BPy_errors_to_report(CTX_wm_reports(C));
 676         }
 677
 678         Py_DECREF(dict);
 679         bpy_context_clear(C, &gilstate);
 680
 681         return error_ret;
 682 }
 683
 684 void BPY_load_user_modules(bContext *C)
 685 {
 686         PyGILState_STATE gilstate;
 687         Text *text;
 688
 689         bpy_context_set(C, &gilstate);
 690
 691         for(text=CTX_data_main(C)->text.first; text; text= text->id.next) {
 692                 if(text->flags & TXT_ISSCRIPT && BLI_testextensie(text->id.name+2, ".py")) {
 693                         PyObject *module= bpy_text_import(text);
 694
 695                         if (module==NULL) {
 696                                 PyErr_Print();
 697                                 PyErr_Clear();
 698                         }
 699                         else {
 700                                 Py_DECREF(module);
 701                         }
 702                 }
 703         }
 704         bpy_context_clear(C, &gilstate);
 705 }
 706
 707 int BPY_context_get(bContext *C, const char *member, bContextDataResult *result)
 708 {
 709         PyObject *pyctx= (PyObject *)CTX_py_dict_get(C);
 710         PyObject *item= PyDict_GetItemString(pyctx, member);
 711         PointerRNA *ptr= NULL;
 712         int done= 0;
 713
 714         if(item==NULL) {
 715                 /* pass */
 716         }
 717         else if(item==Py_None) {
 718                 /* pass */
 719         }
 720         else if(BPy_StructRNA_Check(item)) {
 721                 ptr= &(((BPy_StructRNA *)item)->ptr);
 722
 723                 //result->ptr= ((BPy_StructRNA *)item)->ptr;
 724                 CTX_data_pointer_set(result, ptr->id.data, ptr->type, ptr->data);
 725                 done= 1;
 726         }
 727         else if (PySequence_Check(item)) {
 728                 PyObject *seq_fast= PySequence_Fast(item, "bpy_context_get sequence conversion");
 729                 if (seq_fast==NULL) {
 730                         PyErr_Print();
 731                         PyErr_Clear();
 732                 }
 733                 else {
 734                         int len= PySequence_Fast_GET_SIZE(seq_fast);
 735                         int i;
 736                         for(i = 0; i < len; i++) {
 737                                 PyObject *list_item= PySequence_Fast_GET_ITEM(seq_fast, i);
 738
 739                                 if(BPy_StructRNA_Check(list_item)) {
 740                                         /*
 741                                         CollectionPointerLink *link= MEM_callocN(sizeof(CollectionPointerLink), "bpy_context_get");
 742                                         link->ptr= ((BPy_StructRNA *)item)->ptr;
 743                                         BLI_addtail(&result->list, link);
 744                                         */
 745                                         ptr= &(((BPy_StructRNA *)list_item)->ptr);
 746                                         CTX_data_list_add(result, ptr->id.data, ptr->type, ptr->data);
 747                                 }
 748                                 else {
 749                                         printf("List item not a valid type\n");
 750                                 }
 751
 752                         }
 753                         Py_DECREF(seq_fast);
 754
 755                         done= 1;
 756                 }
 757         }
 758
 759         if(done==0) {
 760                 if (item)       printf("Context '%s' not a valid type\n", member);
 761                 else            printf("Context '%s' not found\n", member);
 762         }
 763         else if (G.f & G_DEBUG) {
 764                 printf("Context '%s' found\n", member);
 765         }
 766
 767         return done;
 768 }
 769